tg-tag.sh

   1 #!/bin/sh
   2 # TopGit tag command
   3 # Copyright (C) 2015,2017,2018 Kyle J. McKay <mackyle@gmail.com>
   4 # All rights reserved.
   5 # GPLv2
   6
   7 USAGE="\
   8 Usage: ${tgname:-tg} [...] tag [-s | -u <key-id>] [-f] [-q] [--no-edit] [-m <msg> | -F <file>] [--tree <treeish>] (<tagname> | --refs) [<branch>...]
   9    Or: ${tgname:-tg} [...] tag (-g | --reflog) [--reflog-message | --commit-message] [--no-type] [-n <number> | -number] [<tagname>]
  10    Or: ${tgname:-tg} [...] tag (--clear | --delete) <tagname>
  11    Or: ${tgname:-tg} [...] tag --drop <tagname>@{n}"
  12
  13 usage()
  14 {
  15         if [ "${1:-0}" != 0 ]; then
  16                 printf '%s\n' "$USAGE" >&2
  17         else
  18                 printf '%s\n' "$USAGE"
  19         fi
  20         exit ${1:-0}
  21 }
  22
  23 ## Parse options
  24
  25 signed=
  26 keyid=
  27 force=
  28 msg=
  29 msgfile=
  30 noedit=
  31 defnoedit=
  32 refsonly=
  33 maxcount=
  34 reflog=
  35 outofdateok=
  36 anyrefok=
  37 defbranch=HEAD
  38 stash=
  39 anonymous=
  40 reflogmsg=
  41 notype=
  42 setreflogmsg=
  43 quiet=0
  44 noneok=
  45 clear=
  46 delete=
  47 drop=
  48 anonymous=
  49 treeish=
  50 sawall=
  51
  52 is_numeric()
  53 {
  54         [ -n "$1" ] || return 1
  55         while [ -n "$1" ]; do
  56                 case "$1" in
  57                         [0-9]*)
  58                                 set -- "${1#?}";;
  59                         *)
  60                                 break;;
  61                 esac
  62         done
  63         [ -z "$1" ]
  64 }
  65
  66 while [ $# -gt 0 ]; do case "$1" in
  67         -h|--help)
  68                 usage
  69                 ;;
  70         -q|--quiet)
  71                 quiet=$(( $quiet + 1 ))
  72                 ;;
  73         --none-ok)
  74                 noneok=1
  75                 ;;
  76         --clear)
  77                 clear=1
  78                 ;;
  79         --delete)
  80                 delete=1
  81                 ;;
  82         --drop)
  83                 drop=1
  84                 ;;
  85         -g|--reflog|--walk-reflogs)
  86                 reflog=1
  87                 ;;
  88         --reflog-message)
  89                 reflogmsg=1
  90                 setreflogmsg=1
  91                 ;;
  92         --no-reflog-message|--commit-message)
  93                 reflogmsg=
  94                 setreflogmsg=1
  95                 ;;
  96         --no-type)
  97                 notype=1
  98                 ;;
  99         -s|--sign)
 100                 signed=1
 101                 ;;
 102         -u|--local-user|--local-user=*)
 103                 case "$1" in --local-user=*)
 104                         x="$1"
 105                         shift
 106                         set -- --local-user "${x#--local-user=}" "$@"
 107                 esac
 108                 if [ $# -lt 2 ]; then
 109                         echo "The $1 option requires an argument" >&2
 110                         usage 1
 111                 fi
 112                 shift
 113                 keyid="$1"
 114                 ;;
 115         -f|--force)
 116                 force=1
 117                 ;;
 118         --no-edit)
 119                 noedit=1
 120                 ;;
 121         --edit)
 122                 noedit=0
 123                 ;;
 124         --allow-outdated)
 125                 outofdateok=1
 126                 ;;
 127         --allow-any)
 128                 anyrefok=1
 129                 ;;
 130         --tree|--tree=*)
 131                 case "$1" in --tree=*)
 132                         x="$1"
 133                         shift
 134                         set -- --tree "${x#--tree=}" "$@"
 135                 esac
 136                 if [ $# -lt 2 ]; then
 137                         echo "The $1 option requires an argument" >&2
 138                         usage 1
 139                 fi
 140                 shift
 141                 treeish="$(git rev-parse --quiet --verify "$1^{tree}" --)" || {
 142                         echo "Not a valid treeish: $1" >&2
 143                         exit 1
 144                 }
 145                 ;;
 146         --refs|--refs-only)
 147                 refsonly=1
 148                 ;;
 149         -m|--message|--message=*)
 150                 case "$1" in --message=*)
 151                         x="$1"
 152                         shift
 153                         set -- --message "${x#--message=}" "$@"
 154                 esac
 155                 if [ $# -lt 2 ]; then
 156                         echo "The $1 option requires an argument" >&2
 157                         usage 1
 158                 fi
 159                 shift
 160                 msg="$1"
 161                 ;;
 162         -F|--file|--file=*)
 163                 case "$1" in --file=*)
 164                         x="$1"
 165                         shift
 166                         set -- --file "${x#--file=}" "$@"
 167                 esac
 168                 if [ $# -lt 2 ]; then
 169                         echo "The $1 option requires an argument" >&2
 170                         usage 1
 171                 fi
 172                 shift
 173                 msgfile="$1"
 174                 ;;
 175         -n|--max-count|--max-count=*|-[1-9]*)
 176                 case "$1" in --max-count=*)
 177                         x="$1"
 178                         shift
 179                         set -- --max-count "${x#--max-count=}" "$@"
 180                 esac
 181                 case "$1" in -[1-9]*)
 182                         x="${1#-}"
 183                         shift
 184                         set -- -n "$x" "$@"
 185                 esac
 186                 if [ $# -lt 2 ]; then
 187                         echo "The $1 option requires an argument" >&2
 188                         usage 1
 189                 fi
 190                 shift
 191                 maxcount="$1"
 192                 ;;
 193         --)
 194                 shift
 195                 break
 196                 ;;
 197         --all)
 198                 sawall=1
 199                 defbranch=--all
 200                 ;;
 201         --stash|--stash"@{"*"}")
 202                 if [ -n "$reflog" ]; then
 203                         case "$2" in -[1-9]*)
 204                                 x1="$1"
 205                                 x2="$2"
 206                                 shift
 207                                 shift
 208                                 set -- "$x2" "$x1" "$@"
 209                                 continue
 210                         esac
 211                 else
 212                         if [ "$2" = "--all" ]; then
 213                                 x1="$1"
 214                                 shift
 215                                 shift
 216                                 set -- "$x1" "$@"
 217                                 sawall=1
 218                         elif [ "$2" = "--" ]; then
 219                                 x1="$1"
 220                                 shift
 221                                 shift
 222                                 set -- "$x1" "$@"
 223                         fi
 224                 fi
 225                 stash=1
 226                 defbranch=--all
 227                 break
 228                 ;;
 229         --anonymous)
 230                 anonymous=1
 231                 defbranch=--all
 232                 quiet=2
 233                 break
 234                 ;;
 235         -?*)
 236                 echo "Unknown option: $1" >&2
 237                 usage 1
 238                 ;;
 239         *)
 240                 if [ -n "$reflog" ]; then
 241                         case "$2" in -[1-9]*)
 242                                 x1="$1"
 243                                 x2="$2"
 244                                 shift
 245                                 shift
 246                                 set -- "$x2" "$x1" "$@"
 247                                 continue
 248                         esac
 249                 fi
 250                 break
 251                 ;;
 252 esac; shift; done
 253
 254 [ "$stash$anonymous" != "11" ] || usage 1
 255 [ -z "$stash$anonymous" ] || [ -n "$reflog$drop$clear$delete" ] || { outofdateok=1; force=1; defnoedit=1; }
 256 [ -z "$sawall" ] || [ $# -gt 0 ] || { outofdateok=1; force=1; defnoedit=1; }
 257 [ -n "$noedit" ] || noedit="$defnoedit"
 258 [ "$noedit" != "0" ] || noedit=
 259 [ -z "$reflog" ] || [ -z "$drop$clear$delete$signed$keyid$force$msg$msgfile$noedit$treeish$refsonly$outofdateok$sawall" ] || usage 1
 260 [ -n "$reflog" ] || [ -z "$setreflogmsg$notype$maxcount" ] || usage 1
 261 [ -z "$drop$clear$delete" ] || [ -z "$setreflogmsg$notype$maxcount$signed$keyid$force$msg$msgfile$noedit$treeish$refsonly$outofdateok$sawall" ] || usage 1
 262 [ -z "$reflog$drop$clear$delete" ] || [ "$reflog$drop$clear$delete" = "1" ] || usage 1
 263 [ -z "$maxcount" ] || is_numeric "$maxcount" || die "invalid count: $maxcount"
 264 [ -z "$maxcount" ] || [ $maxcount -gt 0 ] || die "invalid count: $maxcount"
 265 [ -z "$msg" ] || [ -z "$msgfile" ] || die "only one -F or -m option is allowed."
 266 [ -z "$refsonly" ] || set -- refs..only "$@"
 267 [ $# -gt 0 ] || [ -z "$reflog$sawall" ] || set -- --stash
 268 [ -n "$1" ] || { echo "Tag name required" >&2; usage 1; }
 269 tagname="$1"
 270 shift
 271 [ -z "$sawall" ] || [ $# -eq 0 ] || die "branch names not allowed with --all"
 272 [ "$tagname" != "--stash" ] || tagname=refs/tgstash
 273 [ "$tagname" != "--anonymous" ] || tagname=TG_STASH
 274 case "$tagname" in --stash"@{"*"}")
 275         strip="${tagname#--stash??}"
 276         strip="${strip%?}"
 277         tagname="refs/tgstash@{$strip}"
 278 esac
 279 refname="$tagname"
 280 sfx=
 281 sfxis0=
 282 case "$refname" in [!@]*"@{"*"}")
 283         _pfx="@{"
 284         _refonly="${refname%%"$_pfx"*}"
 285         sfx="${refname#"$_refonly"}"
 286         refname="$_refonly"
 287         _numonly="${sfx#??}"
 288         _numonly="${_numonly%?}"
 289         [ "${_numonly#[0-9]}" != "$_numonly" ] && [ "${_numonly#*[!0-9]}" = "$_numonly" ] || die "invalid suffix: \"$sfx\""
 290         if [ "${_numonly#*[!0]}" = "$_numonly" ]; then
 291                 # transform @{0000000} etc. into @{0}
 292                 sfx="@{0}"
 293                 sfxis0=1
 294         else
 295                 # remove any leading zeros
 296                 _ld0="${_numonly%%[!0]*}"
 297                 [ -z "$_ld0" ] || _numonly="${_numonly#$_ld0}"
 298                 sfx="@{$_numonly}"
 299         fi
 300 esac
 301
 302 v_resolve_full_name() {
 303         # `git rev-parse --revs-only --symbolic-full-name` should do this
 304         # but its behavior is inadequate in that it will not produce a result
 305         # if the input is ambiguous even though `git rev-parse --verify` still
 306         # will in that case.  Nasty.
 307         # Besides, we really don't want to follow symbolic refs anyway and
 308         # we would need to do that ourselves because `git rev-parse` does not
 309         # have a `--no-deref` option like `git update-ref` does.  Ugly.
 310
 311         eval "$1="
 312         _normref="$(git check-ref-format --normalize --allow-onelevel "$2" 2>/dev/null)" && [ -n "$_normref" ] || return 1
 313         eval "$1="'"$_normref"'
 314         git rev-parse --verify --quiet "$_normref" -- >/dev/null 2>&1 || return 0
 315         case "$_normref" in refs/?*) return 0; esac
 316         _found=
 317         _rsuffix=
 318         # see `git help revisions` for this DWIM list of interpretations
 319         for _rprefix in "refs" "refs/tags" "refs/heads" "refs/remotes"; do
 320                 ! git rev-parse --verify --quiet "$_rprefix/$_normref" -- >/dev/null 2>&1 || { _found=1; break; }
 321         done
 322         if [ -z "$_found" ]; then
 323                 _rsuffix="/HEAD"
 324                 ! git rev-parse --verify --quiet "$_rprefix/$_normref$_rsuffix" -- >/dev/null 2>&1 || _found=1
 325         fi
 326         [ -z "$_found" ] || eval "$1="'"$_rprefix/$_normref$_rsuffix"'
 327         return 0
 328 }
 329
 330 case "$refname" in [Hh][Ee][Aa][Dd]|"@") refname="HEAD"; esac
 331 case "$refname" in [Tt][Gg]_[Ss][Tt][Aa][Ss][Hh]) refname="TG_STASH"; esac
 332 case "$refname" in HEAD|TG_STASH|refs/*);;*)
 333         if v_resolve_full_name reftest "$refname" && [ -n "$reftest" ]; then
 334                 if [ -n "$reflog$drop$clear$delete" ]; then
 335                         refname="$reftest"
 336                 else
 337                         case "$reftest" in
 338                         refs/tags/*|refs/tgstash)
 339                                 refname="$reftest"
 340                                 ;;
 341                         *)
 342                                 refname="refs/tags/$refname"
 343                         esac
 344                 fi
 345         else
 346                 refname="refs/tags/$refname"
 347         fi
 348 esac
 349 refname="$refname$sfx"
 350 reftype=tag
 351 case "$refname" in refs/tags/*) tagname="${refname#refs/tags/}";; *) reftype=ref; tagname="$refname"; esac
 352 logbase="$git_common_dir"
 353 [ "${refname%$sfx}" != "HEAD" ] || logbase="$git_dir"
 354 [ -z "$reflog$drop$clear$delete" ] || [ $# -eq 0 ] || usage 1
 355 if [ -n "$drop$clear$delete" ]; then
 356         if [ -n "$sfx" ]; then
 357                 [ -z "$clear$delete" ] || die "invalid ref name ($sfx suffix not allowed, try --drop): $refname"
 358         else
 359                 [ -z "$drop" ] || die "invalid reflog entry name (@{n} suffix required): $refname"
 360         fi
 361         old="$(git rev-parse --verify --quiet --short "${refname%$sfx}" --)" || die "no such ref: ${refname%$sfx}"
 362         if [ -n "$delete" ]; then
 363                 case "$refname" in [Hh][Ee][Aa][Dd])
 364                         extra=
 365                         ! symref="$(git symbolic-ref -q --short HEAD 2>/dev/null)" ||
 366                                 extra=" (did you mean to delete \"$symref\"?)"
 367                         die "HEAD may not be deleted$extra"
 368                 esac
 369                 if
 370                         srh="$(git symbolic-ref --quiet HEAD)" &&
 371                         [ -n "$srh" ] && [ "$srh" = "$refname" ]
 372                 then
 373                         orig="$(git rev-parse --verify --quiet "$refname^0" --)" || die "no such committish ref: $refname"
 374                         [ "$quiet" -gt 0 ] || warn "detaching HEAD to delete $refname"
 375                         git update-ref -m "tgtag: detach HEAD to delete $refname" --no-deref HEAD "$orig" || die "detach failed"
 376                         [ "$quiet" -gt 0 ] || warn "$(git --no-pager log -n 1 --format=format:'HEAD is now at %h... %s' HEAD)"
 377                 fi
 378                 git update-ref --no-deref -d "$refname" || die "git update-ref --no-deref -d failed"
 379                 printf "Deleted $reftype '%s' (was %s)\n" "$tagname" "$old"
 380                 exit 0
 381         elif [ -n "$clear" ]; then
 382                 [ -f "$logbase/logs/$refname" ] || die "no reflog found for: $refname"
 383                 [ -s "$logbase/logs/$refname" ] || die "empty reflog found for: $refname"
 384                 cp -p "$logbase/logs/$refname" "$logbase/logs/$refname^-+" || die "cp failed"
 385                 awk '
 386                         NF >= 5 { line[1] = $0 }
 387                         END {
 388                                 if (1 in line) {
 389                                         if (match(line[1], /^[0-9a-fA-F]+ /)) {
 390                                                 old = substr(line[1], 1, RLENGTH - 1)
 391                                                 rest = substr(line[1], RLENGTH)
 392                                                 gsub(/[0-9a-fA-F]/, "0", old)
 393                                                 line[1] = old rest
 394                                         }
 395                                         print line[1]
 396                                 }
 397                         }
 398                 ' <"$logbase/logs/$refname^-+" >"$logbase/logs/$refname" || die "reflog clear failed"
 399                 rm -f "$logbase/logs/$refname^-+"
 400                 printf "Cleared $reftype '%s' reflog to single @{0} entry\n" "$tagname"
 401                 exit 0
 402         else
 403                 old="$(git rev-parse --verify --short "$refname" --)" || exit 1
 404                 [ -z "$sfxis0" ] || ! git symbolic-ref -q "${refname%$sfx}" -- >/dev/null 2>&1 || sfxis0=
 405                 if [ -n "$sfxis0" ]; then
 406                         [ -f "$logbase/logs/${refname%$sfx}" ] || die "no reflog found for: ${refname%$sfx}"
 407                         [ -s "$logbase/logs/${refname%$sfx}" ] || die "empty reflog found for: ${refname%$sfx}"
 408                         # make sure @{1} is valid via pseudo stale-fix before using --updateref
 409                         cnt="$(( $(wc -l <"$logbase/logs/${refname%$sfx}") ))"
 410                         lastcnt=
 411                         at1=
 412                         while
 413                                 # avoid using --updateref if @{0} is the only entry (i.e. less than 2 lines in log)
 414                                 [ $cnt -ge 2 ] && [ "$cnt" != "$lastcnt" ] &&
 415                                 at1="$(git rev-parse --verify --quiet "${refname%$sfx}@{1}" -- 2>/dev/null)" &&
 416                                 [ -n "$at1" ] &&
 417                                 ! git rev-list --no-walk --objects "$at1" -- >/dev/null 2>&1
 418                         do
 419                                 # poor man's --stale-fix that's faster and actually works reliably
 420                                 git reflog delete --rewrite "${refname%$sfx}@{1}" >/dev/null 2>&1 ||
 421                                         die "pseudo stale-fix failed for broken ${refname%$sfx}@{1}"
 422                                 lastcnt="$cnt"
 423                                 at1=
 424                                 cnt="$(( $(wc -l <"$logbase/logs/${refname%$sfx}") ))"
 425                         done
 426                         # avoid using --updateref if @{0} is the only entry (i.e. less than 2 lines in log)
 427                         [ -n "$at1" ] && [ $cnt -ge 2 ] || sfxis0=
 428                 fi
 429                 git reflog delete --rewrite ${sfxis0:+--updateref} "$refname" || die "reflog drop failed"
 430                 if [ -n "$sfxis0" ]; then
 431                         # check if we need to clean up
 432                         check="$(git rev-parse --verify --quiet "${refname%$sfx}" --)" || :
 433                         [ "${check#*[!0]}" != "$check" ] || check= # all 0's or empty is bad
 434                         # Git versions prior to 2.4.0 might need some clean up
 435                         [ -n "$check" ] || git update-ref -d "${refname%$sfx}" >/dev/null 2>&1 || :
 436                 fi
 437                 printf "Dropped $reftype '%s' reflog entry (was %s)\n" "$tagname" "$old"
 438                 exit 0
 439         fi
 440 fi
 441 if [ -n "$reflog" ]; then
 442         [ "$refname" = "refs/tgstash" ] || [ -n "$setreflogmsg" ] || reflogmsg=1
 443         git rev-parse --verify --quiet "$refname" -- >/dev/null ||
 444         die "no such ref: $refname"
 445         [ -s "$logbase/logs/$refname" ] ||
 446         die "no reflog present for $reftype: $tagname"
 447         showref="$refname"
 448         [ "$refname" = "HEAD" ] || showref="$(git rev-parse --revs-only --abbrev-ref=strict "$refname" --)"
 449         hashcolor=
 450         resetcolor=
 451         if git config --get-colorbool color.tgtag; then
 452                 metacolor="$(git config --get-color color.tgtag.meta)"
 453                 [ -n "$metacolor" ] || metacolor="$(git config --get-color color.diff.meta "bold")"
 454                 hashcolor="$(git config --get-color color.tgtag.commit)"
 455                 [ -n "$hashcolor" ] || hashcolor="$(git config --get-color color.diff.commit "yellow")"
 456                 datecolor="$(git config --get-color color.tgtag.date "bold blue")"
 457                 timecolor="$(git config --get-color color.tgtag.time "green")"
 458                 resetcolor="$(git config --get-color "" reset)"
 459         fi
 460         setup_strftime
 461         output()
 462         {
 463                 sed 's/[^ ][^ ]* //' <"$logbase/logs/$refname" |
 464                 awk '{a[i++]=$0} END {for (j=i-1; j>=0;) print a[j--]}' |
 465                 git cat-file --batch-check='%(objectname) %(objecttype) %(rest)' |
 466                 {
 467                         stashnum=-1
 468                         lastdate=
 469                         while read -r newrev type rest; do
 470                                 stashnum=$(( $stashnum + 1 ))
 471                                 [ "$type" != "missing" ] || continue
 472                                 IFS="$tab" read -r cmmttr msg <<-~EOT~
 473                                         $rest
 474                                         ~EOT~
 475                                 ne="${cmmttr% *}"
 476                                 ne="${ne% *}"
 477                                 es="${cmmttr#$ne}"
 478                                 es="${es% *}"
 479                                 es="${es# }"
 480                                 obj="$(git rev-parse --verify --quiet --short "$newrev" --)"
 481                                 extra=
 482                                 [ "$type" = "tag" ] || [ -n "$notype" ] ||
 483                                 extra="$hashcolor($metacolor$type$resetcolor$hashcolor)$resetcolor "
 484                                 if [ -z "$reflogmsg" ] || [ -z "$msg" ]; then
 485                                         objmsg=
 486                                         if [ "$type" = "tag" ]; then
 487                                                 objmsg="$(git cat-file tag "$obj" |
 488                                                         sed '1,/^$/d' | sed '/^$/,$d')"
 489                                         elif [ "$type" = "commit" ]; then
 490                                                 objmsg="$(git --no-pager log -n 1 --format='format:%s' "$obj" --)"
 491                                         fi
 492                                         [ -z "$objmsg" ] || msg="$objmsg"
 493                                 fi
 494                                 read newdate newtime <<-EOT
 495                                         $(strftime "%Y-%m-%d %H:%M:%S" "$es" 2>/dev/null)
 496                                 EOT
 497                                 if [ "$lastdate" != "$newdate" ]; then
 498                                         printf '%s=== %s ===%s\n' "$datecolor" "$newdate" "$resetcolor"
 499                                         lastdate="$newdate"
 500                                 fi
 501                                 printf '%s %s %s%s@{%s}: %s\n' "$hashcolor$obj$reseutcolor" \
 502                                         "$timecolor$newtime$resetcolor" \
 503                                         "$extra" "$showref" "$stashnum" "$msg"
 504                                 if [ -n "$maxcount" ]; then
 505                                         maxcount=$(( $maxcount - 1 ))
 506                                         [ $maxcount -gt 0 ] || break
 507                                 fi
 508                         done
 509                 }
 510         }
 511         page output
 512         exit 0
 513 fi
 514 [ -z "$signed" ] || [ "$reftype" = "tag" ] || die "signed tags must be under refs/tags"
 515 [ $# -gt 0 ] || set -- $defbranch
 516 all=
 517 if [ $# -eq 1 ] && [ "$1" = "--all" ]; then
 518         eval set -- $(git for-each-ref --shell --format="%(refname)" ${anyrefok:+"refs/heads"} "refs/$topbases")
 519         outofdateok=1
 520         all=1
 521         if [ $# -eq 0 ]; then
 522                 if [ "$quiet" -gt 0 ] && [ -n "$noneok" ]; then
 523                         exit 0
 524                 else
 525                         onlytg=
 526                         [ -n "$anyrefok" ] || onlytg=" TopGit"
 527                         die "no$onlytg branches found"
 528                 fi
 529         fi
 530 fi
 531 ensure_ident_available
 532 branches=
 533 allrefs=
 534 extrarefs=
 535 tgbranches=
 536 tgcount=0
 537 othercount=0
 538 ignore=
 539 newlist=
 540 firstprnt=
 541 for arg in "$@"; do
 542         case "$arg" in "~"?*)
 543                 [ -z "$firstprnt" ] || die "only one first parent may be specified with ~"
 544                 firstprnt="$(git rev-parse --verify --quiet "${arg#?}^0" -- 2>/dev/null)" && [ -n "$firstprnt" ] ||
 545                         die "not a commit-ish: ${arg#?}"
 546         esac
 547 done
 548 while read -r obj typ ref && [ -n "$obj" ] && [ -n "$typ" ]; do
 549         [ -n "$ref" ] || [ "$typ" != "missing" ] || die "no such ref: ${obj%???}"
 550         case " $ignore " in *" $ref "*) continue; esac
 551         if [ "$typ" != "commit" ] && [ "$typ" != "tag" ]; then
 552                 [ -n "$anyrefok" ] || die "not a committish (is a '$typ') ref: $ref"
 553                 [ "$quiet" -ge 2 ] || warn "ignoring non-committish (is a '$typ') ref: $ref"
 554                 ignore="${ignore:+$ignore }$ref"
 555                 continue
 556         fi
 557         case " $newlist " in *" $ref "*);;*)
 558                 newlist="${newlist:+$newlist }$ref"
 559         esac
 560         if [ "$typ" = "tag" ]; then
 561                 [ "$quiet" -ge 2 ] || warn "storing as lightweight tag instead of 'tag' object: $ref"
 562                 ignore="${ignore:+$ignore }$ref"
 563         fi
 564 done <<-EOT
 565         $({
 566                 printf '%s\n' "$@" | sed 's/^~//; s/^\(.*\)$/\1^{} \1/'
 567                 printf '%s\n' "$@" | sed 's/^~//; s/^\(.*\)$/\1 \1/'
 568         } |
 569         git cat-file --batch-check='%(objectname) %(objecttype) %(rest)' 2>/dev/null ||
 570         :)
 571 EOT
 572 set -- $newlist
 573 for b; do
 574         sfn="$b"
 575         [ -n "$all" ] || [ "${b#-}" = "$b" ] || die "branch names starting with '-' must be fully qualified: $b"
 576         [ -n "$all" ] ||
 577         sfn="$(git rev-parse --revs-only --symbolic-full-name "$b" -- 2>/dev/null)" || :
 578         [ -n "$sfn" ] || {
 579                 [ -n "$anyrefok" ] || die "no such symbolic ref name: $b"
 580                 fullhash="$(git rev-parse --verify --quiet "$b" --)" || die "no such ref: $b"
 581                 case " $extrarefs " in *" $b "*);;*)
 582                         [ "$quiet" -ge 2 ] || warn "including non-symbolic ref only in parents calculation: $b"
 583                         extrarefs="${extrarefs:+$extrarefs }$fullhash"
 584                 esac
 585                 continue
 586         }
 587         case "$sfn" in
 588                 refs/"$topbases"/*)
 589                         added=
 590                         tgish=1
 591                         ref_exists "refs/heads/${sfn#refs/$topbases/}" || tgish=
 592                         [ -n "$anyrefok" ] || [ -n "$tgish" ] || [ "$quiet" -ge 2 ] ||
 593                                 warn "including TopGit base that's missing its head: $sfn"
 594                         case " $allrefs " in *" $sfn "*);;*)
 595                                 allrefs="${allrefs:+$allrefs }$sfn"
 596                         esac
 597                         case " $branches " in *" ${sfn#refs/$topbases/} "*);;*)
 598                                 branches="${branches:+$branches }${sfn#refs/$topbases/}"
 599                                 added=1
 600                         esac
 601                         if [ -n "$tgish" ]; then
 602                                 case " $allrefs " in *" refs/heads/${sfn#refs/$topbases/} "*);;*)
 603                                         allrefs="${allrefs:+$allrefs }refs/heads/${sfn#refs/$topbases/}"
 604                                 esac
 605                                 case " $tgbranches " in *" ${sfn#refs/$topbases/} "*);;*)
 606                                         tgbranches="${tgbranches:+$tgbranches }${sfn#refs/$topbases/}"
 607                                         added=1
 608                                 esac
 609                                 [ -z "$added" ] || tgcount=$(( $tgcount + 1 ))
 610                         else
 611                                 [ -z "$added" ] || othercount=$(( $othercount + 1 ))
 612                         fi
 613                         ;;
 614                 refs/heads/*)
 615                         added=
 616                         tgish=1
 617                         ref_exists "refs/$topbases/${sfn#refs/heads/}" || tgish=
 618                         [ -n "$anyrefok" ] || [ -n "$tgish" ] ||
 619                                 die "not a TopGit branch: ${sfn#refs/heads/} (use --allow-any option)"
 620                         case " $allrefs " in *" $b "*);;*)
 621                                 allrefs="${allrefs:+$allrefs }$sfn"
 622                         esac
 623                         case " $branches " in *" ${sfn#refs/heads/} "*);;*)
 624                                 branches="${branches:+$branches }${sfn#refs/heads/}"
 625                                 added=1
 626                         esac
 627                         if [ -n "$tgish" ]; then
 628                                 case " $allrefs " in *" refs/$topbases/${sfn#refs/heads/} "*);;*)
 629                                         allrefs="${allrefs:+$allrefs }refs/$topbases/${sfn#refs/heads/}"
 630                                 esac
 631                                 case " $tgbranches " in *" ${sfn#refs/heads/} "*);;*)
 632                                         tgbranches="${tgbranches:+$tgbranches }${sfn#refs/heads/}"
 633                                         added=1
 634                                 esac
 635                                 [ -z "$added" ] || tgcount=$(( $tgcount + 1 ))
 636                         else
 637                                 [ -z "$added" ] || othercount=$(( $othercount + 1 ))
 638                         fi
 639                         ;;
 640                 *)
 641                         [ -n "$anyrefok" ] || die "refusing to include without --allow-any: $sfn"
 642                         case " $allrefs " in *" $sfn "*);;*)
 643                                 allrefs="${allrefs:+$allrefs }$sfn"
 644                         esac
 645                         case " $branches " in *" ${sfn#refs/} "*);;*)
 646                                 branches="${branches:+$branches }${sfn#refs/}"
 647                                 othercount=$(( $othercount + 1 ))
 648                         esac
 649                         ;;
 650         esac
 651 done
 652
 653 [ -n "$force" ] ||
 654 ! git rev-parse --verify --quiet "$refname" -- >/dev/null ||
 655 die "$reftype '$tagname' already exists"
 656
 657 desc="tg branch"
 658 descpl="tg branches"
 659 if [ $othercount -gt 0 ]; then
 660         if [ $tgcount -eq 0 ]; then
 661                 desc="ref"
 662                 descpl="refs"
 663         else
 664                 descpl="$descpl and refs"
 665         fi
 666 fi
 667
 668 get_dep() {
 669         case " $seen_deps " in *" $_dep "*) return 0; esac
 670         seen_deps="${seen_deps:+$seen_deps }$_dep"
 671         printf 'refs/heads/%s\n' "$_dep"
 672         [ -z "$_dep_is_tgish" ] || printf 'refs/%s/%s\n' "$topbases" "$_dep"
 673 }
 674
 675 get_deps_internal()
 676 {
 677         no_remotes=1
 678         recurse_deps_exclude=
 679         for _b; do
 680                 case " $recurse_deps_exclude " in *" $_b "*) continue; esac
 681                 seen_deps=
 682                 _dep="$_b"; _dep_is_tgish=1; get_dep
 683                 recurse_deps get_dep "$_b"
 684                 recurse_deps_exclude="$recurse_deps_exclude $seen_deps"
 685         done
 686 }
 687
 688 get_deps()
 689 {
 690         get_deps_internal "$@" | sort -u
 691 }
 692
 693 out_of_date=
 694 if [ -n "$outofdateok" ]; then
 695         if [ -n "$tgbranches" ]; then
 696                 while read -r dep && [ -n "$dep" ]; do
 697                         case " $allrefs " in *" $dep "*);;*)
 698                                 ! ref_exists "$dep" ||
 699                                 allrefs="${allrefs:+$allrefs }$dep"
 700                         esac
 701                 done <<-EOT
 702                         $(get_deps $tgbranches)
 703                 EOT
 704         fi
 705 else
 706         for b in $tgbranches; do
 707                 if ! needs_update "$b" >/dev/null; then
 708                         out_of_date=1
 709                         echo "branch not up-to-date: $b"
 710                 fi
 711         done
 712 fi
 713 [ -z "$out_of_date" ] || die "all branches to be tagged must be up-to-date"
 714
 715 get_refs()
 716 {
 717         printf '%s\n' '-----BEGIN TOPGIT REFS-----'
 718         {
 719                 printf '%s\n' $allrefs
 720                 [ -n "$outofdateok" ] || get_deps $tgbranches
 721         } | sort -u | sed 's/^\(.*\)$/\1^0 \1/' |
 722         git cat-file --batch-check='%(objectname) %(rest)' 2>/dev/null |
 723         grep -v ' missing$' || :
 724         printf '%s\n' '-----END TOPGIT REFS-----'
 725 }
 726
 727 if [ -n "$refsonly" ]; then
 728         get_refs
 729         exit 0
 730 fi
 731
 732 stripcomments=
 733 if [ -n "$msgfile" ]; then
 734         if [ "$msgfile" = "-" ]; then
 735                 git stripspace >"$git_dir/TAG_EDITMSG"
 736         else
 737                 git stripspace <"$msgfile" >"$git_dir/TAG_EDITMSG"
 738         fi
 739 elif [ -n "$msg" ]; then
 740         printf '%s\n' "$msg" | git stripspace >"$git_dir/TAG_EDITMSG"
 741 else
 742         case "$branches" in
 743         *" "*)
 744                 if [ ${#branches} -le 60 ]; then
 745                         printf '%s\n' "tag $descpl $branches"
 746                         printf '%s\n' "$updmsg"
 747                 else
 748                         printf '%s\n' "tag $(( $(printf '%s' "$branches" | wc -w) )) $descpl" ""
 749                         for b in $branches; do
 750                                 printf '%s\n' "$b"
 751                         done
 752                 fi
 753                 ;;
 754         *)
 755                 printf '%s\n' "tag $desc $branches"
 756                 ;;
 757         esac | git stripspace >"$git_dir/TAG_EDITMSG"
 758         if [ -z "$noedit" ]; then
 759                 {
 760                         cat <<EOT
 761
 762 # Please enter a message for tg tag:
 763 #   $tagname
 764 # Lines starting with '#' will be ignored.
 765 #
 766 # $descpl to be tagged:
 767 #
 768 EOT
 769                         for b in $branches; do
 770                                 printf '%s\n' "#     $b"
 771                         done
 772                 } >>"$git_dir/TAG_EDITMSG"
 773                 stripcomments=1
 774                 run_editor "$git_dir/TAG_EDITMSG" ||
 775                 die "there was a problem with the editor '$tg_editor'"
 776         fi
 777 fi
 778 git stripspace ${stripcomments:+ --strip-comments} \
 779         <"$git_dir/TAG_EDITMSG" >"$git_dir/TGTAG_FINALMSG"
 780 [ -s "$git_dir/TGTAG_FINALMSG" ] || die "no tag message?"
 781 echo "" >>"$git_dir/TGTAG_FINALMSG"
 782 get_refs >>"$git_dir/TGTAG_FINALMSG"
 783
 784 v_count_args() { eval "$1="'$(( $# - 1 ))'; }
 785
 786 tagtarget=
 787 case "$allrefs${extrarefs:+ $extrarefs}" in
 788         *" "*)
 789                 parents="$(git merge-base --independent \
 790                         $(printf '%s^0 ' $allrefs $extrarefs))" ||
 791                         die "failed: git merge-base --independent"
 792                 ;;
 793         *)
 794                 if [ -n "$firstprnt" ]; then
 795                         parents="$(git rev-parse --quiet --verify "$allrefs^0" --)" ||
 796                                 die "failed: git rev-parse $allrefs^0"
 797                 else
 798                         parents="$allrefs^0"
 799                 fi
 800                 ;;
 801 esac
 802 if [ -n "$firstprnt" ]; then
 803         oldparents="$parents"
 804         parents="$firstprnt"
 805         for acmt in $oldparents; do
 806                 [ "$acmt" = "$firstprnt" ] || parents="$parents $acmt"
 807         done
 808         unset oldparents
 809 fi
 810 v_count_args pcnt $parents
 811 if [ $pcnt -eq 1 ]; then
 812         tagtarget="$parents"
 813         [ -z "$treeish" ] ||
 814         [ "$(git rev-parse --quiet --verify "$tagtarget^{tree}" --)" = "$treeish" ] ||
 815         tagtarget=
 816 fi
 817 if [ -z "$tagtarget" ]; then
 818         tagtree="${treeish:-$firstprnt}"
 819         [ -n "$tagtree" ] || tagtree="$(git hash-object -t tree -w --stdin </dev/null)"
 820         tagtarget="$(printf '%s\n' "tg tag branch consolidation" "" $branches |
 821                 git commit-tree $tagtree^{tree} $(printf -- '-p %s ' $parents))"
 822 fi
 823
 824 init_reflog "$refname"
 825 if [ "$reftype" = "tag" ] && [ -n "$signed" ]; then
 826         [ "$quiet" -eq 0 ] || exec >/dev/null
 827         git tag -F "$git_dir/TGTAG_FINALMSG" ${signed:+-s} ${force:+-f} \
 828                 ${keyid:+-u} ${keyid} "$tagname" "$tagtarget"
 829 else
 830         obj="$(git rev-parse --verify --quiet "$tagtarget" --)" ||
 831                 die "invalid object name: $tagtarget"
 832         typ="$(git cat-file -t "$tagtarget" 2>/dev/null)" ||
 833                 die "invalid object name: $tagtarget"
 834         id="$(git var GIT_COMMITTER_IDENT 2>/dev/null)" ||
 835                 die "could not get GIT_COMMITTER_IDENT"
 836         newtag="$({
 837                         printf '%s\n' "object $obj" "type $typ" "tag $tagname" \
 838                                 "tagger $id" ""
 839                         cat "$git_dir/TGTAG_FINALMSG"
 840                 } | git mktag)" || die "git mktag failed"
 841         old="$(git rev-parse --verify --short --quiet "$refname" --)" || :
 842         updmsg=
 843         case "$branches" in
 844         *" "*)
 845                 if [ ${#branches} -le 100 ]; then
 846                         updmsg="$(printf '%s\n' "tgtag: $branches")"
 847                 else
 848                         updmsg="$(printf '%s\n' "tgtag: $(( $(printf '%s' "$branches" | wc -w) )) ${descpl#tg }")"
 849                 fi
 850                 ;;
 851         *)
 852                 updmsg="$(printf '%s\n' "tgtag: $branches")"
 853                 ;;
 854         esac
 855         [ "$refname" != "TG_STASH" ] || ! [ -s "$git_dir/TG_STASH" ] || mv -f "$git_dir/TG_STASH" "$git_dir/ORIG_TG_STASH" >/dev/null 2>&1 || :
 856         git update-ref -m "$updmsg" "$refname" "$newtag"
 857         [ -z "$old" ] || [ "$quiet" -gt 0 ] || printf "Updated $reftype '%s' (was %s)\n" "$tagname" "$old"
 858 fi
 859 rm -f "$git_dir/TAG_EDITMSG" "$git_dir/TGTAG_FINALMSG"