qi/src/qi.in

   1 #! /bin/sh -
   2 # Copyright (C) 2016-2021 Matias Fonzo <selk@dragora.org>
   3 #
   4 # This program is free software: you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation, either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # EXIT STATUS
  18 # 0  = Successful completion
  19 # 1  = Minor common errors (e.g: help usage, support not available)
  20 # 2  = Command execution error
  21 # 3  = Integrity check error for compressed files
  22 # 4  = File empty, not regular, or expected
  23 # 5  = Empty or not defined variable
  24 # 6  = Package already installed
  25 # 10 = Network manager error
  26
  27 PROGRAM="${0##*/}"
  28
  29 LC_ALL=C;       # Override locale settings.
  30 umask 022;      # Remove write permission for group and other.
  31 export LC_ALL
  32
  33 ### Functions
  34
  35 usage()
  36 {
  37     printf '%s' \
  38 "Usage: $PROGRAM COMMAND [OPTIONS] [FILE]...
  39 "'A simple but well-integrated package manager.
  40
  41 List of commands:
  42   warn                     Warn about files that will be installed
  43   install                  Install packages
  44   remove                   Remove packages
  45   upgrade                  Upgrade packages
  46   extract                  Extract packages for debugging purposes
  47   create                   Create a .tlz package from directory
  48   build                    Build packages using recipe names
  49   order                    Resolve build order through .order files
  50
  51 Options when installing, removing, or upgrading software packages:
  52   -f, --force              Force upgrade of pre-existing packages
  53   -k, --keep               Keep package directory when remove/upgrade
  54   -p, --prune              Prune conflicts
  55   -P, --packagedir=<dir>   Set directory for package installations
  56   -t, --targetdir=<dir>    Set target directory for symbolic links
  57   -r, --rootdir=<dir>      Use the fully qualified named directory as
  58                            the root directory for all qi operations
  59                            Note: the target directory and the package
  60                            directory will be relative to the specified
  61                            directory, excepting the graft log file
  62
  63 Options when building software packages using recipes:
  64   -a, --architecture       Set architecture name for the package
  65   -j, --jobs               Parallel jobs for the compiler
  66   -k, --keep               Keep ${srcdir} or ${destdir} when build
  67   -S, --skip-questions     Skip questions on completed recipes
  68   -1, --increment          Increment release number (${release} + 1)
  69   -n, --no-package         Do not create a .tlz package
  70   -i, --install            Install package after the build
  71   -u, --upgrade            Upgrade package after the build
  72   -o, --outdir=<dir>       Where the packages produced will be written
  73   -w, --worktree=<dir>     Where archives, patches, recipes are expected
  74   -s, --sourcedir=<dir>    Where compressed sources will be found
  75
  76 Other options:
  77   -N, --no-rc              Do not read the configuration file
  78   -v, --verbose            Be verbose (an extra -v gives more)
  79   -L, --show-location      Print default directory locations and exit
  80   -h, --help               Display this help and exit
  81   -V, --version            Output version information and exit
  82
  83 Some influential environment variables:
  84   TMPDIR                   Temporary directory for sources
  85   QICFLAGS                 C compiler flags (to be used on CFLAGS)
  86   QICXXFLAGS               C++ compiler flags (to be used on CXXFLAGS)
  87   QILDFLAGS                Flags for the linker (to be used on LDFLAGS)
  88   QICPPFLAGS               C/C++ preprocessor flags (to be used on CPPFLAGS)
  89   SOURCE_DATE_EPOCH        Last modification time for created packages
  90
  91 When FILE is -, read standard input.
  92
  93 Exit status: 0 for a normal exit, 1 for minor common errors (help usage,
  94 support not available, etc), 2 to indicate a command execution error;
  95 3 for integrity check error on compressed files, 4 for empty, not
  96 regular, or expected files, 5 for empty or not defined variables,
  97 6 when a package already exist, 10 for network manager errors.
  98
  99 Qi home page: https://www.dragora.org
 100 '
 101 }
 102
 103 warn()
 104 {
 105     printf '%s\n' "$@" 1>&2
 106 }
 107
 108 is_readable()
 109 {
 110     if test -e "$1"
 111     then
 112         if ! test -r "$1"
 113         then
 114             echo "${PROGRAM}: cannot read ${1}: Permission denied" 1>&2
 115             return 1
 116         fi
 117     else
 118         echo "${PROGRAM}: cannot access ${1}: No such file or directory" 1>&2
 119         return 1
 120     fi
 121 }
 122
 123 # Portable alternative to the file operator -nt (among shells)
 124 is_newer()
 125 {
 126     if test -n "$(find "$1" -prune -newer "$2" -print)"
 127     then
 128         return 0
 129     fi
 130     return 1
 131 }
 132
 133 # Determine whether $2 matches pattern $1
 134 fnmatch()
 135 {
 136     case $2 in
 137     $1)
 138         return 0
 139         ;;
 140     *)
 141         return 1
 142         ;;
 143     esac
 144 }
 145
 146 chkstatus_or_exit()
 147 {
 148     status=$?
 149
 150     if test $status -ne 0
 151     then
 152         echo "^ Return status = $status" 1>&2
 153         exit "${1-2}";  # If not given, defaults to 2
 154     fi
 155
 156     unset -v status
 157 }
 158
 159 readconfig()
 160 {
 161     if test "${_readconfig:-readconfig}" = readconfig
 162     then
 163         is_readable "$HOME/.qirc" 2> /dev/null && _rcfile="$HOME/.qirc";
 164         echo "Importing configuration file from \`${_rcfile}' ..."
 165         . "$_rcfile" || chkstatus_or_exit 5
 166     fi
 167     unset -v _readconfig
 168 }
 169
 170 ### Mode functions
 171
 172 mode_build()
 173 {
 174     recipe=$1
 175
 176     echo ""
 177     echo "{@} Building \"${recipe}\" ..."
 178
 179     # A recipe is any valid regular file.  Qi sets priorities for reading
 180     # a recipe, the order in which qi looks for a recipe is:
 181     #
 182     # 1. Current working directory.
 183     #
 184     # 2. If the specified path name does not contain "recipe" as the last
 185     # component.  Qi will complete it by adding "recipe" to the path
 186     # name.
 187     #
 188     # 3. If the recipe is not in the current working directory, it will be
 189     # searched under '${worktree}/recipes'.  The last component will be
 190     # completed adding "recipe" to the specified path name.
 191
 192     if test ! -f "$recipe"
 193     then
 194         if test -f "${recipe}/recipe"
 195         then
 196             recipe="${recipe}/recipe"
 197         elif test -f "${worktree}/recipes/${recipe}/recipe"
 198         then
 199             recipe="${worktree}/recipes/${recipe}/recipe"
 200         fi
 201     fi
 202
 203     test -f "$recipe" || {
 204         warn "\`${recipe}' is not a regular file."
 205         return 4
 206     }
 207
 208     # Complain if the file name is not "recipe"
 209
 210     if test "${recipe##*/}" != recipe
 211     then
 212         warn "\`${recipe}' is not a valid recipe name."
 213         return 4
 214     fi
 215
 216     # Start preparations to import the recipe
 217
 218     # Get working directory and base name of the recipe
 219
 220     CWD="$(CDPATH='' cd -P -- "$(dirname -- "$recipe")" && pwd -P)"
 221     recipe="$(basename -- "$recipe")"
 222
 223     # Check readability for load the recipe on success
 224
 225     is_readable "${CWD}/$recipe" || exit 4
 226
 227     # Re-create external directories
 228     mkdir -p -- "${worktree}/archive" \
 229                 "${worktree}/patches" \
 230                 "${worktree}/recipes" \
 231                 "$tardir"
 232
 233     # Variables treatment for the current and the next recipe.
 234     #
 235     # Unset special variables that can only be predefined in
 236     # the recipe and does not come from '${sysconfdir}/qirc'
 237
 238     unset -v \
 239      srcdir destdir pkgname pkgversion pkgcategory program version release \
 240      fetch description homepage license replace full_pkgname docs docsdir \
 241      CFLAGS CXXFLAGS LDFLAGS CPPFLAGS
 242
 243     # The following variables must be restored, later
 244     save_arch="${save_arch:=$arch}"
 245     save_jobs="${save_jobs:=$jobs}"
 246     save_outdir="${save_outdir:=$outdir}"
 247     save_opt_nopkg="${save_opt_nopkg:=$opt_nopkg}"
 248
 249     # Reset variable values in case of return
 250     arch="$save_arch"
 251     jobs="$save_jobs"
 252     outdir="$save_outdir"
 253     opt_nopkg="$save_opt_nopkg"
 254
 255     # The following variables cannot be redefined on the recipe
 256     readonly worktree netget rsync
 257
 258     # Import the recipe
 259
 260     . "${CWD}/$recipe"
 261     chkstatus_or_exit
 262
 263     # Check for required variables
 264     if test -z "$program"
 265     then
 266         warn "${recipe}: The variable 'program' is not defined."
 267         exit 5
 268     fi
 269     if test -z "$version"
 270     then
 271         warn "${recipe}: The variable 'version' is not defined."
 272         exit 5
 273     fi
 274     if test -z "$release"
 275     then
 276         warn "${recipe}: The variable 'release' is not defined."
 277         exit 5
 278     fi
 279
 280     # Pre-settings before to start building
 281
 282     # Increment the release number if the option was given
 283     if test "$opt_incr_release" = opt_incr_release
 284     then
 285         release=$(( release + 1 ))
 286     fi
 287
 288     # Allow the dot as definition for 'tardir'
 289     if test "$tardir" = .
 290     then
 291         tardir="$CWD"
 292     fi
 293
 294     # Set default values for the following special variables
 295
 296     pkgname="${pkgname:=$program}"
 297     pkgversion="${pkgversion:=$version}"
 298     srcdir="${srcdir:=${program}-$version}"
 299     destdir="${destdir:=${TMPDIR}/package-$pkgname}"
 300
 301     # If 'pkgcategory' has been defined, prefix it using the "at" symbol
 302     if test -n "$pkgcategory"
 303     then
 304         pkgcategory="@${pkgcategory}"
 305     fi
 306
 307     # Compose the full package name
 308     full_pkgname="${full_pkgname:=${pkgname}_${pkgversion}_${arch}-${release}${pkgcategory}}"
 309
 310     # Use 'arch' as suffix for 'outdir' to have a well-organized package output
 311     outdir="${outdir}/${arch}"
 312
 313     # If a package is going to be created the existence of a
 314     # previous build will be detected and reported.  Under normal
 315     # conditions the recipe is built as long as it is newer than
 316     # the produced package, if not, we warn to the user about it.
 317     # Rebuilding the package is possible (through the force ;-)
 318
 319     if test "$opt_nopkg" != opt_nopkg && \
 320      { test "$opt_force" != opt_force && \
 321        test -e "${outdir}/${full_pkgname}.tlz" ; }
 322     then
 323         if is_newer "${CWD}/$recipe" "${outdir}/${full_pkgname}.tlz"
 324         then
 325             warn \
 326              ""                                                          \
 327              "The recipe is more RECENT than the detected package:"      \
 328              ""                                                          \
 329              "$( stat -c "%y %n" "${CWD}/$recipe" )"                     \
 330              "$( stat -c "%y %n" "${outdir}/${full_pkgname}.tlz" )"      \
 331              ""                                                          \
 332              "    This recipe will be processed ..."                     \
 333              ""
 334         elif test -e "${CWD}/post-install" && \
 335              is_newer "${CWD}/post-install" "${CWD}/$recipe"
 336         then
 337             warn \
 338              ""                                                          \
 339              "The post-install script is more RECENT than the recipe:"   \
 340              ""                                                          \
 341              "$( stat -c "%y %n" "${CWD}/post-install" )"                \
 342              "$( stat -c "%y %n" "${CWD}/$recipe" )"                     \
 343              ""                                                          \
 344              "    The recipe will be re-processed ..."                   \
 345              ""
 346              touch "${CWD}/$recipe"
 347         elif test "$opt_skipqsts" = opt_skipqsts
 348         then
 349             warn "Recipe for '${full_pkgname}.tlz':  Ignored." ""
 350             return 0
 351         else
 352             warn \
 353              ""                                                          \
 354              "This recipe ALREADY produced a package:"                   \
 355              "$( stat -c "%y %n" "${outdir}/${full_pkgname}.tlz" )"      \
 356              ""                                                          \
 357              "The recipe is still OLDER than the produced package:"      \
 358              "$( stat -c "%y %n" "${CWD}/$recipe" )"                     \
 359              ""                                                          \
 360              "    Probably nothing has changed."                         \
 361              ""
 362
 363             # In non-interactive mode, the user is asked about
 364             # rebuilding the package.  In interactive mode,
 365             # the user need to pass the option explicitly
 366             if test ! -t 0
 367             then
 368                 printf '%s\n' \
 369                  "Do you want to rebuild this package?"   \
 370                  "1) Yes, built it"                       \
 371                  "2) No, skip it [default]"               \
 372                  "3) Resume, skipping completed recipes"  \
 373                  "Enter an option number:" > /dev/tty
 374                 IFS= read -r ANSWER < /dev/tty || exit 2;
 375                 case $ANSWER in
 376                 1*)
 377                     echo "$ANSWER" > /dev/tty
 378                     unset -v ANSWER
 379                     ;;
 380                 3*)
 381                     unset -v ANSWER
 382                     echo "=== Building UNPROCESSED/MODIFIED recipes ..." > /dev/tty
 383                     echo ""
 384                     opt_skipqsts=opt_skipqsts
 385                     readonly opt_skipqsts
 386                     return 0
 387                     ;;
 388                 *)
 389                     unset -v ANSWER
 390                     echo "Recipe for '${full_pkgname}.tlz':  Cancelled." > /dev/tty
 391                     echo ""
 392                     return 0
 393                     ;;
 394                 esac
 395             else
 396                 warn "Use the --force option to reprocess ${CWD}/$recipe." ""
 397                 return 6;
 398             fi
 399         fi
 400     fi
 401
 402     # Fetch remote sources
 403
 404     echo "=== Fetching remote sources if needed ..."
 405     if test -n "$fetch"
 406     then
 407         for origin in $fetch
 408         do
 409             _source="${origin##*/}"
 410
 411             echo "=== Looking for \"$_source\" ..."
 412
 413             echo "=== Verifying checksum file \`${tardir}/${_source}.sha256'"
 414             if test -e "${tardir}/${_source}.sha256"
 415             then
 416                 ( cd -- "$tardir" && sha256sum - ) < "${tardir}/${_source}.sha256"
 417                 chkstatus_or_exit
 418                 continue;
 419             else
 420                 warn "${_source}.sha256: Checksum file does not exist, yet."
 421             fi
 422
 423             # Download source or resume if allowed
 424
 425             if test ! -e "${tardir}/$_source"
 426             then
 427                 warn "    Can't find \"${_source}\" at \"${tardir}\";" \
 428                      "attempting to get it from ${origin%/*} ..."
 429             fi
 430
 431             case $origin in
 432             rsync://*)
 433                     (
 434                         cd -- "$tardir" && $rsync "$origin" || exit $?
 435                         sha256sum "$_source" > "${_source}.sha256"
 436                     );  chkstatus_or_exit 10
 437                 ;;
 438             *://*)
 439                     (
 440                         cd -- "$tardir" && $netget "$origin" || exit $?
 441                         sha256sum "$_source" > "${_source}.sha256"
 442                     );  chkstatus_or_exit 10
 443                 ;;
 444             *)
 445                 warn "${PROGRAM}: Unrecognized protocol for ${origin}."
 446                 exit 4
 447             esac
 448         done
 449         unset -v origin _source
 450     else
 451         warn "${recipe}: The variable 'fetch' is empty."
 452     fi
 453
 454     # Prepare special directories for build the source,
 455     # the destination and the output of the package
 456
 457     echo "=== Preparing directories ..."
 458
 459     if test -z "$keep_srcdir"
 460     then
 461         if test -e "${TMPDIR}/$srcdir"
 462         then
 463             rm -r -- "${TMPDIR:?}/$srcdir" || chkstatus_or_exit
 464             echo "removed directory: '${TMPDIR}/$srcdir'"
 465         fi
 466     else
 467         warn \
 468          "WARNING: The variable 'keep_srcdir' has been set (${keep_srcdir})."
 469     fi
 470
 471     if test -z "$keep_destdir"
 472     then
 473         if test -e "$destdir"
 474         then
 475             rm -r -- "$destdir" || chkstatus_or_exit
 476             echo "removed directory: '$destdir'"
 477         fi
 478         mkdir -p -- "$destdir" || chkstatus_or_exit
 479         echo "mkdir: created directory '$destdir'"
 480     fi
 481
 482     if test ! -e "$outdir"
 483     then
 484         mkdir -p -- "$outdir" || chkstatus_or_exit
 485         echo "mkdir: created directory '$outdir'"
 486     fi
 487
 488     echo "=== Changing to '${TMPDIR}' ..."
 489     cd -- "$TMPDIR" || chkstatus_or_exit
 490
 491     # Set trap before to run the build() function in order
 492     # to catch the return status, exit code 2 if fails
 493
 494     trap 'chkstatus_or_exit 2' EXIT HUP INT QUIT ABRT TERM
 495
 496     # Determine if the debugging indicators of the shell should be
 497     # retained, assuming that it has been previously passed
 498     case $- in *x*)
 499         _xtrace_flag=_xtrace_flag_is_set ;;
 500     esac
 501
 502     echo "=== Running the 'build' function ..."
 503     build
 504     unset -f build
 505
 506     # Check recipe to run defined functions by the packager
 507     for _definition in \
 508      $(awk '!/^build[ (]/ && /^[^ {}]+ *\(\)/{ gsub(/[()]/, "", $1); print $1 }' "${CWD}/$recipe")
 509     do
 510         # Check if it is a shell function
 511         case $(LC_ALL=C type $_definition) in
 512         *function*)
 513             # Call and undo the function after executing it
 514             $_definition
 515             unset -f $_definition
 516             ;;
 517         esac
 518     done
 519     unset -v _definition
 520
 521     # Turn off possible shell flags coming from the recipe
 522
 523     set +e
 524     if test "${_xtrace_flag:+$_xtrace_flag}" != _xtrace_flag_is_set
 525     then
 526         set +x
 527     fi
 528
 529     # Reset given signals
 530     trap - EXIT HUP INT QUIT ABRT TERM
 531
 532     # If 'destdir' is empty, the package won't be created
 533     if rmdir -- "$destdir" 2> /dev/null
 534     then
 535         warn "The package \"${full_pkgname}.tlz\" won't be created.  'destdir' is empty."
 536         opt_nopkg=opt_nopkg
 537     fi
 538
 539     # Create (make) the package
 540
 541     if test "$opt_nopkg" != opt_nopkg
 542     then
 543         # Edit the recipe when 'release' is incremented
 544         if test "$opt_incr_release" = opt_incr_release
 545         then
 546             echo ",s/^\\(release\\)=.*/\\1=${release}/"$'\nw' | \
 547              ed "${CWD}/$recipe" || chkstatus_or_exit
 548         fi
 549
 550         mkdir -p -- "${destdir}/var/lib/qi" || chkstatus_or_exit
 551
 552         # Include a copy of the recipe into the package
 553         cp -p "${CWD}/$recipe" \
 554               "${destdir}/var/lib/qi/${full_pkgname}.recipe" && \
 555          chmod 644 "${destdir}/var/lib/qi/${full_pkgname}.recipe"
 556         chkstatus_or_exit
 557
 558         # Detect post-install script for inclusion
 559
 560         if test -f "${CWD}/post-install"
 561         then
 562             echo "${CWD}/post-install:  Detected."
 563             cp -p "${CWD}/post-install" \
 564                   "${destdir}/var/lib/qi/${full_pkgname}.sh" && \
 565              chmod 644 "${destdir}/var/lib/qi/${full_pkgname}.sh"
 566             chkstatus_or_exit
 567         fi
 568
 569         # Detect declared package name(s) for later replacement
 570
 571         if test -n "$replace"
 572         then
 573             warn \
 574              "=== The following package names has been declared for replacement:" \
 575              "$replace"
 576
 577             : > "${destdir}/var/lib/qi/${full_pkgname}.replace"
 578             for item in $replace
 579             do
 580                 printf '%s\n' "$replace" >> \
 581                  "${destdir}/var/lib/qi/${full_pkgname}.replace"
 582             done
 583             unset -v item
 584         fi
 585
 586         # Create (external) meta file for package information,
 587         # make a copy of it for the package database
 588         echo "=== Creating meta file ${full_pkgname}.tlz.txt ..."
 589         do_meta > "${outdir}/${full_pkgname}.tlz.txt" || chkstatus_or_exit
 590         cp -p "${outdir}/${full_pkgname}.tlz.txt" \
 591           "${destdir}/var/lib/qi/${full_pkgname}.txt" || chkstatus_or_exit
 592
 593         # Produce the package
 594         cd -- "$destdir" && mode_create "${outdir}/${full_pkgname}.tlz"
 595     fi
 596
 597     # Back to the current working directory
 598     cd -- "$CWD" || chkstatus_or_exit
 599
 600     echo "=== Deleting 'srcdir', 'destdir' ..."
 601     if test "$opt_keep" != opt_keep
 602     then
 603         if test -z "$keep_srcdir"
 604         then
 605             srcdir="${srcdir%%/*}";     # Directory name without parents.
 606             if test -e "${TMPDIR}/$srcdir"
 607             then
 608                 rm -r -- "${TMPDIR:?}/$srcdir" || chkstatus_or_exit
 609                 echo "removed directory: '${TMPDIR}/$srcdir'"
 610             fi
 611         fi
 612
 613         if test -z "$keep_destdir"
 614         then
 615             if test -e "$destdir"
 616             then
 617                 rm -r -- "$destdir" || chkstatus_or_exit
 618                 echo "removed directory: '$destdir'"
 619             fi
 620         fi
 621     else
 622         warn \
 623          "    Request via --keep to preserve 'srcdir' or 'destdir' has been made:" \
 624          "${TMPDIR}/$srcdir" \
 625          "$destdir"
 626     fi
 627
 628     # Install or upgrade the package after build
 629     if test "$opt_nopkg" != opt_nopkg
 630     then
 631         if test "$opt_install" = opt_install
 632         then
 633             mode_install "${outdir}/${full_pkgname}.tlz"
 634         elif test "$opt_upgrade" = opt_upgrade
 635         then
 636             mode_upgrade "${outdir}/${full_pkgname}.tlz"
 637         fi
 638     fi
 639
 640     echo "{@} All done for \"${CWD}/${recipe}\"."
 641     echo ""
 642 }
 643
 644 mode_create()
 645 {
 646     directory="$(dirname -- "$1")"
 647
 648     # Perform sanity checks
 649
 650     if ! fnmatch '/?*' "$directory"
 651     then
 652         warn "${PROGRAM}: Output directory \`${directory}' is not fully qualified"
 653         exit 4
 654     fi
 655     is_readable "$directory" || exit 4
 656
 657     name="$(basename -- "$1")"
 658
 659     echo ""
 660     echo "{#} Creating package name \`${name}' ..."
 661
 662     if test "$name" = "${name%.tlz}"
 663     then
 664         warn "Package format '$name' not supported." \
 665              "It should be \"name_version_architecture-release[@pkgcategory].tlz\""
 666         exit 4
 667     fi
 668
 669     # Pass extra options for tarlz(1)
 670     if test -n "$SOURCE_DATE_EPOCH"
 671     then
 672         tarlz_opts="--mtime=@${SOURCE_DATE_EPOCH}"
 673     fi
 674
 675     ( umask 022 ; tarlz --solid -9 $tarlz_opts -cvf - -- * ) \
 676      > "${directory}/$name"
 677     chkstatus_or_exit 3
 678     unset -v tarlz_opts
 679
 680     ( cd -- "$directory" && sha256sum "$name" > "${name}.sha256" )
 681     chkstatus_or_exit 4
 682
 683     echo "{#} Package \"${name}\" created on ${directory}."
 684
 685     # Remove used variables
 686     unset -v directory name
 687
 688     echo ""
 689 }
 690
 691 mode_remove()
 692 {
 693     expunge="${packagedir}/$(basename -- "$1" .tlz)"
 694
 695     echo ""
 696     echo "<<< Removing package \`$rootdir${expunge}' ..."
 697
 698     # Complain if the package directory does not exist
 699
 700     test -e "$rootdir${expunge}" || {
 701         warn "Package directory '$rootdir${expunge}' does not exist."
 702         return 4
 703     }
 704
 705     # Complain if the package directory cannot be well-read
 706
 707     is_readable "$rootdir${expunge}" || exit 4
 708
 709     # Remove package from Graft control
 710
 711     # Scan for possible conflicts, stop if arise
 712     if test "$opt_prune" != opt_prune
 713     then
 714         echo "=== Checking for possible conflicts ..."
 715         if graft -d -n $graft_r -t "$targetdir" "$expunge" 2>&1 | \
 716          grep "^CONFLICT"
 717         then
 718             warn "" \
 719              "    A conflict occurred during uninstallation;"  \
 720              "Unless the --prune option is given, this package will be PRESERVED."
 721             return 6;
 722         fi
 723     fi
 724
 725     # Remove objects (files, links or directories) from the target
 726     # directory that are in conflict with the package directory
 727
 728     echo "=== Pruning any conflict ..."
 729     graft -p -D -u $graft_r -t "$targetdir" "$expunge"
 730     chkstatus_or_exit 2
 731
 732     echo "=== Disabling links ..."
 733     graft -d -D -u $graft_v $graft_r -t "$targetdir" "$expunge"
 734     chkstatus_or_exit 2
 735
 736     # Delete package directory
 737     if test "$opt_keep" != opt_keep
 738     then
 739         echo "=== Deleting package directory, if exists as such ..."
 740         if test -e "${rootdir}$expunge"
 741         then
 742             rm -r -- "${rootdir}$expunge" || chkstatus_or_exit
 743             echo "removed directory: '${rootdir}$expunge'"
 744         fi
 745     fi
 746
 747     # Remove used variables
 748     unset -v expunge
 749
 750     echo ""
 751 }
 752
 753 mode_install()
 754 {
 755     # Complain if the package cannot be well-read
 756
 757     is_readable "$1" || exit 4
 758
 759     # Complain if the package does not end in .tlz
 760
 761     if ! fnmatch '*.tlz' "$1"
 762     then
 763         warn "\`${1}' does not end in .tlz"
 764         return 4
 765     fi
 766
 767     # Make preparations to install the package
 768
 769     # Get the filename
 770     name="$(basename -- "$1" .tlz)"
 771
 772     echo ""
 773     echo ">>> Installing package \`${name}' ..."
 774
 775     echo "=== Checking tarball integrity ..."
 776     tarlz --missing-crc -tf "$1" > /dev/null
 777     chkstatus_or_exit 3
 778
 779     # To accept random directory from the upgrade mode
 780     _packagedir="$2"
 781     _packagedir="${_packagedir:=$packagedir}"
 782
 783     # Create package directory using 'name'
 784     if ! test -d "$rootdir${_packagedir}/$name"
 785     then
 786         mkdir -p -- "$rootdir${_packagedir}/$name" || chkstatus_or_exit
 787         echo "mkdir: created directory '$rootdir${_packagedir}/$name'"
 788     fi
 789
 790     # Scan for possible conflicts, stop if arise
 791     if test "$opt_prune" != opt_prune
 792     then
 793         echo "=== Checking for possible conflicts ..."
 794         if graft -i -n $graft_r -t "$targetdir" "${_packagedir}/$name" 2>&1 | \
 795          grep "^CONFLICT"
 796         then
 797             warn "" \
 798              "    A conflict occurred during installation;"  \
 799              "Unless the --prune option is given, this package won't be LINKED."
 800              return 6;
 801         fi
 802     fi
 803
 804     echo "=== Decompressing package ..."
 805     ( cd -- "$rootdir${_packagedir}/$name" && tarlz -xpf - ) < "$1"
 806     chkstatus_or_exit 3
 807
 808     # Transite package to Graft control
 809
 810     # Remove objects (files, links or directories) from the target
 811     # directory that are in conflict with the package directory
 812     echo "=== Pruning any conflict ..."
 813     graft -p -D -u $graft_r -t "$targetdir" "${_packagedir}/$name"
 814     chkstatus_or_exit 2
 815
 816     echo "=== Enabling symbolic links ..."
 817     graft -i -P $graft_v $graft_r -t "$targetdir" "${_packagedir}/$name"
 818     chkstatus_or_exit 2
 819
 820     # Avoid unnecessary runs coming from the upgrade mode,
 821     # this is when the incoming package is **pre-installed**
 822
 823     if test "$_isUpgrade" != _isUpgrade.on
 824     then
 825         # Show package description
 826         if test -r "$rootdir${_packagedir}/${name}/var/lib/qi/${name}.txt"
 827         then
 828             awk '/^#/' "$rootdir${_packagedir}/${name}/var/lib/qi/${name}.txt"
 829         elif test -r "${1}.txt"
 830         then
 831             # From external meta file (current directory)
 832             awk '/^#/' "${1}.txt"
 833         else
 834             warn "Description file not found for '$name'."
 835         fi
 836
 837         # Check and run the post-install script if exist
 838         if test -r "$rootdir${_packagedir}/${name}/var/lib/qi/${name}.sh"
 839         then
 840             echo "=== Running post-install script for \`${name}' ..."
 841             (
 842                 # Rely on 'targetdir' if 'rootdir' is empty
 843                 cd -- "${rootdir:=$targetdir}"/ && \
 844                  . "$rootdir${_packagedir}/${name}/var/lib/qi/${name}.sh"
 845             )
 846         fi
 847
 848         # Check if there are declared packages for replacement
 849         if test -r "$rootdir${_packagedir}/${name}/var/lib/qi/${name}.replace"
 850         then
 851             while read -r line
 852             do
 853                 for replace in "$rootdir${_packagedir}/${line%%_*}"_*
 854                 do
 855                     if ! test -e "$replace"
 856                     then
 857                         warn "<^> Declared package \`${replace}' does not exist. (ignoring)"
 858                         continue;
 859                     fi
 860
 861                     replace="${replace##*/}"
 862
 863                     # The search for the package to be replaced cannot
 864                     # be the same to the incoming package, even to the
 865                     # temporary location coming from the upgrade mode
 866                     if test "$replace" = "$name" || \
 867                        test "_x_${replace}" = "_x_${PRVLOC##*/}"
 868                     then
 869                         continue;
 870                     fi
 871
 872                     warn "WARNING: Replacing package \`${replace}' ..."
 873
 874                     # Since the links belongs to the new package, only
 875                     # those which are not in conflict can be deleted.
 876                     # To complete, we will remove the package directory
 877
 878                     graft -d -D -u $graft_r \
 879                      -t "$targetdir" "$replace" > /dev/null 2>&1
 880
 881                     rm -rf -- "$rootdir${_packagedir}/$replace"
 882                 done
 883             done < "$rootdir${_packagedir}/${name}/var/lib/qi/${name}.replace"
 884         fi
 885     fi
 886
 887     # Remove used variables
 888     unset -v name _packagedir
 889
 890     echo ""
 891 }
 892
 893 mode_order()
 894 {
 895     # Complain if the file cannot be well-read
 896
 897     is_readable "$1" || exit 4
 898
 899     # Complain if the file does not end in .order
 900
 901     if ! fnmatch '*.order' "$1"
 902     then
 903         warn "\`${1}' does not end in .order"
 904         return 4
 905     fi
 906
 907     # Get a clean list of the file while printing its contents in
 908     # reverse order.  Last awk(1) in the pipeline eliminates
 909     # non-consecutive lines: duplicates, blank lines, and colons.
 910     # Comment lines beginning with '#' are allowed; parentheses
 911     # are simply ignored
 912
 913     awk '{
 914      gsub( /:|^#(.*)$|\([^)]*)|^$/,"" );
 915       for( i=NF; i > 0; i-- ) print $i
 916     }' "$1" | awk '!s[$0]++'
 917 }
 918
 919 mode_upgrade()
 920 {
 921     # Complain if the package does not end in .tlz
 922
 923     if ! fnmatch '*.tlz' "$1"
 924     then
 925         warn "\`${1}' does not end in .tlz"
 926         return 4
 927     fi
 928
 929     # Get the filename
 930     incoming="$(basename -- "$1" .tlz)"
 931
 932     echo ""
 933     echo "{%} Upgrading package \`${incoming}' ..."
 934
 935     # Check package pre-existence
 936     if test "$opt_force" != opt_force && \
 937        test -e "$rootdir${packagedir}/$incoming"
 938     then
 939         warn \
 940          ""                                                                \
 941          "    The package to be upgraded already exist;"                   \
 942          "Unless the --force option is given, this package won't be UPGRADED."
 943         return 6;
 944     fi
 945
 946     # Ignore some signals until the upgrade process is complete
 947     trap "" HUP INT QUIT ABRT TERM
 948
 949     # Check blacklisted packages
 950
 951     echo "=== Checking blacklist ..."
 952     for item in $blacklist
 953     do
 954         case $item in
 955         ${incoming}*)
 956             warn \
 957              "Package name declared on the blacklist \"${incoming}\"."      \
 958              ""                                                             \
 959              "  This package will be INSTALLED instead of being upgraded."
 960              opt_prune=opt_prune mode_install "$1"
 961              return 0
 962             ;;
 963         esac
 964     done
 965     unset -v item
 966
 967     # Prepare the package to install it in a temporary but custom location
 968
 969     # Set random directory under 'rootdir/packagedir' using 'incoming' as name
 970     PRVLOC=$(mktemp -dp "$rootdir${packagedir}" ${incoming}.XXXXXXXXXXXX) || exit 2
 971
 972     echo "=== Pre-installing package in temporary location ..."
 973     opt_prune=opt_prune         # Turn on prune operation.
 974     _isUpgrade=_isUpgrade.on mode_install "$1" "$PRVLOC" > /dev/null
 975     _isUpgrade=_isUpgrade.off
 976
 977     echo "=== Looking for installations under the same name ..."
 978     for long_name in "$rootdir${packagedir}/${incoming%%_*}"_*
 979     do
 980         # Check if it is a valid directory and if the incoming
 981         # package is not equivalent to a previous installation;
 982         # also check if the package to be deleted is equivalent
 983         # to the temporary, private location.
 984
 985         if ! test -d "$long_name"
 986         then
 987             continue;
 988         fi
 989         if test "${long_name##*/}" = "$incoming"
 990         then
 991             continue;
 992         fi
 993         if test "$long_name" = "$PRVLOC"
 994         then
 995             continue;
 996         fi
 997
 998         warn "Proceeding to the removal of ${long_name} ..."
 999         # A package directory will be preserved if --keep is given
1000         mode_remove "${long_name##*/}" > /dev/null
1001     done
1002     unset -v long_name
1003
1004     # Re-install the package removing the temporary location
1005
1006     mode_install "$1"
1007     opt_prune=opt_prune.off     # Turn off prune operation.
1008
1009     echo "=== Deleting temporary location ..."
1010     rm -rf -- "$PRVLOC" || chkstatus_or_exit
1011     echo "removed directory: '$PRVLOC'"
1012
1013     echo "{%} Upgraded from \"${1}\"."
1014
1015     # Remove remaining variables
1016     unset -v incoming PRVLOC
1017
1018     echo ""
1019
1020     # Reset given signals
1021     trap - HUP INT QUIT ABRT TERM
1022 }
1023
1024 mode_warn()
1025 {
1026     # Complain if the package cannot be well-read
1027
1028     is_readable "$1" || exit 4
1029
1030     # Complain if the package does not end in .tlz
1031
1032     if ! fnmatch '*.tlz' "$1"
1033     then
1034         warn "\`${1}' does not end in .tlz"
1035         return 4
1036     fi
1037
1038     # List content of files excluding directories
1039     while test -f "$1"
1040     do
1041         tarlz -tvvf "$1" | awk '!/^drwx/'
1042         chkstatus_or_exit 3
1043         shift;
1044     done
1045     return 0
1046 }
1047
1048 mode_extract()
1049 {
1050     # Perform sanity checks before package extraction
1051
1052     is_readable "$1" || exit 4
1053
1054     test -f "$1" || {
1055         warn "\`${1}' is not a regular file."
1056         return 4
1057     }
1058
1059     # Preparations to extract the package
1060
1061     name="$(basename -- "$1" .tlz)"
1062
1063     # Set random directory under 'TMPDIR' using 'name'
1064     PRVDIR=$(mktemp -dp "$TMPDIR" ${name}.XXXXXXXXXXXX) || exit 2
1065
1066     # Trap to remove 'PRVDIR' on disruptions
1067     trap 'rm -rf -- "$PRVDIR"' HUP INT ABRT TERM
1068
1069     # Create 'PRVDIR' removing access for all but user
1070     ( umask 077 ; mkdir -- "$PRVDIR" )
1071     mkdir -p -- "$PRVDIR"
1072     chmod 700 -- "$PRVDIR"
1073
1074     echo ""
1075     echo "--- Extracting package \`${name}' ..."
1076
1077     ( umask 000 ; cd -- "$PRVDIR" && tarlz -xvf - ) < "$1"
1078     if test $? -ne 0
1079     then
1080         # Try to remove (empty) 'PRVDIR' on failure
1081         rmdir -- "$PRVDIR"
1082         exit 3;
1083     fi
1084
1085     echo ""
1086     echo "\"${name}\" has been extracted on \`${PRVDIR}'"
1087
1088     # Reset given signals
1089     trap - HUP INT ABRT TERM
1090
1091     # Remove used variables
1092     unset -v name PRVDIR
1093 }
1094
1095 ### Extra functions to be used during the modes
1096
1097 unpack()
1098 {
1099     for file in "$@"
1100     do
1101         case $file in
1102         *.tar)
1103             tar -tf "$file" > /dev/null && \
1104             tar -xpf "$file"
1105             chkstatus_or_exit 3
1106             ;;
1107         *.tar.gz | *.tgz | *.tar.Z )
1108             gzip -cd "$file" | tar -tf - > /dev/null && \
1109             gzip -cd "$file" | tar -xpf -
1110             chkstatus_or_exit 3
1111             ;;
1112         *.tar.bz2 | *.tbz2 | *.tbz )
1113             bzip2 -cd "$file" | tar -tf - > /dev/null && \
1114             bzip2 -cd "$file" | tar -xpf -
1115             chkstatus_or_exit 3
1116             ;;
1117         *.tar.lz | *.tlz )
1118             lzip -cd "$file" | tar -tf - > /dev/null && \
1119             lzip -cd "$file" | tar -xpf -
1120             chkstatus_or_exit 3
1121             ;;
1122         *.tar.xz | *.txz )
1123             xz -cd "$file" | tar -tf - > /dev/null && \
1124             xz -cd "$file" | tar -xpf -
1125             chkstatus_or_exit 3
1126             ;;
1127         *.zip | *.ZIP )
1128             unzip -t "$file" > /dev/null && \
1129             unzip "$file" > /dev/null
1130             chkstatus_or_exit 3
1131             ;;
1132         *.gz)
1133             gzip -t "$file" && \
1134             gzip -cd "$file" > "$(basename -- "$file" .gz)"
1135             chkstatus_or_exit 3
1136             ;;
1137         *.Z)
1138             gzip -t "$file" && \
1139             gzip -cd "$file" > "$(basename -- "$file" .Z)"
1140             chkstatus_or_exit 3
1141             ;;
1142         *.bz2)
1143             bzip2 -t "$file" && \
1144             bzip2 -cd "$file" > "$(basename -- "$file" .bz2)"
1145             chkstatus_or_exit 3
1146             ;;
1147         *.lz)
1148             lzip -t "$file" && \
1149             lzip -cd "$file" > "$(basename -- "$file" .lz)"
1150             chkstatus_or_exit 3
1151             ;;
1152         *.xz)
1153             xz -t "$file" && \
1154             xz -cd "$file" > "$(basename -- "$file" .xz)"
1155             chkstatus_or_exit 3
1156             ;;
1157         *)
1158             warn "${PROGRAM}: cannot unpack ${file}: Unsupported extension"
1159             exit 1
1160         esac
1161     done
1162     unset -v file
1163 }
1164
1165 do_meta()
1166 {
1167     # Extract information from the recipe to create the meta file.
1168     #
1169     # The package description is pre-formatted in 78 columns,
1170     # the '#' character and a space is added as prefix to conform
1171     # the 80 columns in total
1172
1173     printf '%s\n' "$description" | fold -w 78 | awk '$0="# " $0'
1174     printf '%s' \
1175 "
1176 QICFLAGS=\"$QICFLAGS\"
1177 QICXXFLAGS=\"$QICXXFLAGS\"
1178 QILDFLAGS=\"$QILDFLAGS\"
1179 QICPPFLAGS=\"$QICPPFLAGS\"
1180 pkgname=$pkgname
1181 pkgversion=$pkgversion
1182 arch=$arch
1183 release=$release
1184 pkgcategory=\"${pkgcategory#@*}\"
1185 full_pkgname=$full_pkgname
1186 blurb=\"$(printf '%s\n' "$description" | sed -e '/^$/d;2q')\"
1187 homepage=\"$homepage\"
1188 license=\"$license\"
1189 fetch=\"$fetch\"
1190 replace=\"$replace\"
1191 "
1192 }
1193
1194 ### Default values
1195
1196 packagedir=@PACKAGEDIR@
1197 targetdir=@TARGETDIR@
1198 blacklist="perl5 graft tarlz plzip musl glibc coreutils bash mksh"
1199 _rcfile=@SYSCONFDIR@/qirc
1200 opt_install=opt_install.off
1201 opt_upgrade=opt_upgrade.off
1202 opt_force=opt_force.off
1203 opt_keep=opt_keep.off
1204 opt_incr_release=opt_incr_release.off
1205 opt_skipqsts=opt_skipqsts.off
1206 opt_nopkg=opt_nopkg.off
1207 opt_prune=opt_prune.off
1208 verbose=0
1209 rootdir=""
1210 arch=@ARCH@
1211 jobs=1
1212 mode=""
1213 _xtrace_flag=""
1214 _readstdin=""
1215 graft_v=""
1216 graft_r=""
1217 _isUpgrade=_isUpgrade.off
1218 keep_srcdir=""
1219 keep_destdir=""
1220 TMPDIR="${TMPDIR:-/usr/src/qi/build}"
1221 QICFLAGS="${QICFLAGS:--O2}"
1222 QICXXFLAGS="${QICXXFLAGS:--O2}"
1223 QILDFLAGS="${QILDFLAGS:-}"
1224 QICPPFLAGS="${QICPPFLAGS:-}"
1225 worktree=/usr/src/qi
1226 tardir=${worktree}/sources
1227 outdir=/var/cache/qi/packages
1228 netget="wget -c -w1 -t3 --no-check-certificate"
1229 rsync="rsync -v -a -L -z -i --progress"
1230 configure_args="--prefix=@PREFIX@ --libexecdir=@LIBEXECDIR@ --bindir=@BINDIR@ --sbindir=@SBINDIR@ --sysconfdir=@SYSCONFDIR@ --localstatedir=@LOCALSTATEDIR@"
1231 infodir=@INFODIR@
1232 mandir=@MANDIR@
1233 docdir=@DOCDIR@
1234
1235 # Store (default) directory locations
1236 QI_TARGETDIR=$targetdir
1237 QI_PACKAGEDIR=$packagedir
1238 QI_WORKTREE=$worktree
1239 QI_TARDIR=$tardir
1240 QI_OUTDIR=$outdir
1241
1242 ### Parse commands and options
1243
1244 validate_mode()
1245 {
1246     if test -n "$mode"
1247     then
1248         warn "${PROGRAM}: First defined command: ${mode#*_}" \
1249              "Switching to another command is not allowed (${1})."
1250         exit 1
1251     fi
1252 }
1253
1254 validate_option()
1255 {
1256     if test -z "$2"
1257     then
1258         warn "${PROGRAM}: The '${1}' option requires an argument" \
1259              "Try '${PROGRAM} --help' for more information."
1260         exit 1
1261     fi
1262 }
1263
1264 validate_directory()
1265 {
1266     if test ! -d "$2"
1267     then
1268         warn "${PROGRAM}: ${1} \"${2}\" must be a valid directory name"
1269         exit 1
1270     fi
1271 }
1272
1273 validate_digit()
1274 {
1275     name="$1"
1276     shift
1277
1278     # Taken from https://mywiki.wooledge.org/BashFAQ/054
1279     case "${1#[-+]}" in
1280     '')
1281         warn "${PROGRAM}: The '${name}' option has no defined value"
1282         exit 1
1283         ;;
1284     *.*.*)
1285         warn "${PROGRAM}: The '${name}' option has more than one decimal point on it \"${1}\""
1286         exit 1
1287         ;;
1288     *[!0-9]*)
1289         warn "${PROGRAM}: The '${name}' option contains a non-valid digit on it \"${1}\""
1290         exit 1
1291         ;;
1292     esac
1293
1294     unset -v name
1295 }
1296
1297 while test $# -gt 0
1298 do
1299     case $1 in
1300     warn)
1301         validate_mode warn
1302         mode=mode_warn
1303         ;;
1304     install)
1305         validate_mode install
1306         readconfig
1307         mode=mode_install
1308         ;;
1309     remove)
1310         validate_mode remove
1311         readconfig
1312         mode=mode_remove
1313         ;;
1314     upgrade)
1315         validate_mode upgrade
1316         readconfig
1317         mode=mode_upgrade
1318         ;;
1319     extract)
1320         validate_mode extract
1321         readconfig
1322         mode=mode_extract
1323         ;;
1324     create)
1325         validate_mode create
1326         readconfig
1327         mode=mode_create
1328         ;;
1329     order)
1330         validate_mode order
1331         readconfig
1332         mode=mode_order
1333         ;;
1334     build)
1335         validate_mode build
1336         readconfig
1337         mode=mode_build
1338         ;;
1339     --no-rc | -N )
1340         _readconfig=readconfig.off
1341         ;;
1342     --install | -i )
1343         opt_install=opt_install
1344         ;;
1345     --upgrade | -u )
1346         opt_upgrade=opt_upgrade
1347         ;;
1348     --force | -f )
1349         opt_force=opt_force
1350         ;;
1351     --keep | -k )
1352         opt_keep=opt_keep
1353         ;;
1354     --prune | -p )
1355         opt_prune=opt_prune
1356         ;;
1357     --packagedir | -P )
1358         validate_option "$1" "$2"
1359         packagedir="$2"
1360         validate_directory "$1" "$packagedir"
1361         shift
1362         ;;
1363     --packagedir=*)
1364         validate_option "$1" "$2"
1365         packagedir="${1#*=}"
1366         validate_directory "$1" "$packagedir"
1367         ;;
1368     --targetdir | -t )
1369         validate_option "$1" "$2"
1370         targetdir="$2"
1371         validate_directory "$1" "$targetdir"
1372         shift
1373         ;;
1374     --targetdir=*)
1375         validate_option "$1" "$2"
1376         targetdir="${1#*=}"
1377         validate_directory "$1" "$targetdir"
1378         ;;
1379     --rootdir | -r )
1380         validate_option "$1" "$2"
1381         rootdir="$2"
1382         validate_directory "$1" "$rootdir"
1383         shift
1384         ;;
1385     --rootdir=*)
1386         validate_option "$1" "$2"
1387         rootdir="${1#*=}"
1388         validate_directory "$1" "$rootdir"
1389         ;;
1390     --outdir | -o )
1391         validate_option "$1" "$2"
1392         outdir="$2"
1393         validate_directory "$1" "$outdir"
1394         shift
1395         ;;
1396     --outdir=*)
1397         validate_option "$1" "$2"
1398         outdir="${1#*=}"
1399         validate_directory "$1" "$outdir"
1400         ;;
1401     --worktree | -w )
1402         validate_option "$1" "$2"
1403         worktree="$2"
1404         validate_directory "$1" "$worktree"
1405         shift
1406         ;;
1407     --worktree=*)
1408         validate_option "$1" "$2"
1409         worktree="${1#*=}"
1410         validate_directory "$1" "$worktree"
1411         ;;
1412     --sourcedir | -s )
1413         validate_option "$1" "$2"
1414         tardir="$2"
1415         validate_directory "$1" "$tardir"
1416         shift
1417         ;;
1418     --sourcedir=*)
1419         validate_option "$1" "$2"
1420         tardir="${1#*=}"
1421         validate_directory "$1" "$tardir"
1422         ;;
1423     --architecture | -a )
1424         validate_option "$1" "$2"
1425         arch="$2"
1426         shift
1427         ;;
1428     --arch=*)
1429         validate_option "$1" "$2"
1430         arch="${1#*=}"
1431         ;;
1432     --jobs | -j )
1433         jobs="$2"
1434         validate_digit "$1" "$jobs"
1435         shift
1436         ;;
1437     -j[0-9]*)
1438         jobs="${1#-j*}"
1439         validate_digit '-j' "$jobs"
1440         ;;
1441     --jobs=*)
1442         jobs="${1#*=}"
1443         validate_digit '--jobs=' "$jobs"
1444         ;;
1445     --no-package | -n )
1446         opt_nopkg=opt_nopkg
1447         ;;
1448     --increment | -1 )
1449         opt_incr_release=opt_incr_release
1450         ;;
1451     --skip-questions | -S )
1452         opt_skipqsts=opt_skipqsts
1453         ;;
1454     --verbose | -v )
1455         verbose=$(( verbose + 1 ))
1456         ;;
1457     -vv)
1458         # ^ Trick for a second -v.
1459         verbose=2
1460         ;;
1461     --show-location | -L )
1462         printf '%s\n' \
1463          "QI_TARGETDIR=$QI_TARGETDIR"   \
1464          "QI_PACKAGEDIR=$QI_PACKAGEDIR" \
1465          "QI_WORKTREE=$QI_WORKTREE"     \
1466          "QI_TARDIR=$QI_TARDIR"         \
1467          "QI_OUTDIR=$QI_OUTDIR"
1468         exit 0
1469         ;;
1470     --help | --hel | --he | --h | '--?' | -help | -hel | -he | -h | '-?' | \
1471      help )
1472         usage
1473         exit 0
1474         ;;
1475     --version | --versio | --versi | --vers | \
1476      -version |  -versio |  -versi |  -vers | -V | version )
1477         echo "$PROGRAM version @VERSION@"
1478         exit 0
1479         ;;
1480     '-')
1481         _readstdin=readstdin
1482         break
1483         ;;
1484     --)
1485         shift
1486         break;  # End of options.
1487         ;;
1488     -*)
1489         warn "qi: Unrecognized option: $1" \
1490              "Try '${PROGRAM} --help' for more information."
1491         exit 1
1492         ;;
1493     *)
1494         break;  # No more options.
1495         ;;
1496     esac
1497     shift
1498 done
1499 unset -f \
1500  readconfig validate_mode validate_option validate_directory validate_digit
1501
1502 # When there are no arguments, show the help
1503 if test $# -eq 0
1504 then
1505     usage
1506     exit 1
1507 fi
1508 unset -f usage
1509
1510 # Program sanity check
1511
1512 for need in awk basename chmod cp dirname find fold graft grep \
1513             mkdir mktemp rm rmdir sed sha256sum stat tarlz ; \
1514 do
1515     if ! \command -v $need > /dev/null
1516     then
1517         warn "${PROGRAM}: Prerequisite \`${need}' not found in PATH"
1518         exit 2
1519     fi
1520 done
1521 unset -v need
1522
1523 # Set verbosity level/flag
1524
1525 if test "$verbose" -gt 0
1526 then
1527     if test "$verbose" -eq 1
1528     then
1529         graft_v=-v
1530     else
1531         graft_v=-V
1532     fi
1533 fi
1534
1535 # Read standard input if FILE is -, or when
1536 # FILE is not connected to a terminal
1537
1538 if test "$_readstdin" = readstdin
1539 then
1540     if test -t 0
1541     then
1542         warn "qi: I won't read from a connected terminal." \
1543              "Try '${PROGRAM} --help' for more information."
1544         exit 1
1545     fi
1546
1547     # Unset positional parameters setting $# to zero
1548     set --
1549
1550     # Assign remaining arguments to the positional parameters
1551     while read -r input
1552     do
1553         set -- "$@" "$input"
1554     done
1555 fi
1556 unset -v _readstdin
1557
1558 if test -z "$mode"
1559 then
1560     warn "qi: We need at least one (valid) command." \
1561          "Try '${PROGRAM} --help' for more information."
1562     exit 4
1563 fi
1564
1565 # Validate 'packagedir' and 'targetdir' as canonical directories
1566
1567 # The single slash '/' does not qualify here
1568 if ! fnmatch '/?*' "$packagedir"
1569 then
1570     warn "${PROGRAM}: Package directory \`${packagedir}' is not fully qualified"
1571     exit 4
1572 fi
1573 if test ! -d "$packagedir"
1574 then
1575     warn "${PROGRAM}: Package directory \`${packagedir}' does not exist"
1576     exit 4
1577 fi
1578
1579 # The single slash '/' is valid here
1580 if ! fnmatch '/*' "$targetdir"
1581 then
1582     warn "${PROGRAM}: Target directory \`${targetdir}' is not fully qualified"
1583     exit 4
1584 fi
1585 if test ! -d "$targetdir"
1586 then
1587     warn "${PROGRAM}: Target directory \`${targetdir}' does not exist"
1588     exit 4
1589 fi
1590
1591 # Validate 'rootdir' directory
1592
1593 if test -n "$rootdir"
1594 then
1595     if test -d "$rootdir" && test "$rootdir" != /
1596     then
1597         rootdir="${rootdir%/}"  # Remove slash from the end.
1598
1599         # A workaround for graft-2.13+.  The specified directory is
1600         # relative to the log file, we prepend it inside 'rootdir'
1601
1602         eval "$(graft -L)" ; GRAFT_LOGFILE="${GRAFT_LOGFILE:=/var/log/graft}"
1603         mkdir -p -- "$rootdir$(dirname -- "$GRAFT_LOGFILE")" || chkstatus_or_exit
1604
1605         # Compose 'rootdir' and log file option to be used with graft(1)
1606         graft_r="-r $rootdir -l $GRAFT_LOGFILE"
1607
1608         # Unset variables coming from eval
1609         unset -v GRAFT_PERL GRAFT_LOGFILE GRAFT_TARGETDIR GRAFT_PACKAGEDIR
1610     else
1611         warn "${PROGRAM}: Root directory \`${rootdir}' is not fully qualified"
1612         exit 4
1613     fi
1614     readonly rootdir
1615     export rootdir
1616 fi
1617
1618 # Ensure 'TMPDIR' creation to prefix temporary files
1619
1620 if test ! -d "$TMPDIR"
1621 then
1622     mkdir -p -- "$TMPDIR" || chkstatus_or_exit
1623 fi
1624 readonly TMPDIR packagedir targetdir
1625
1626 # Process each package or recipe provided on the command-line
1627
1628 for package in "$@"
1629 do
1630     $mode "$package"
1631 done
1632