build-aux/mkinstalldirs

   1 #! /bin/sh
   2 # mkinstalldirs --- make directory hierarchy
   3
   4 scriptversion=2023-11-23.18; # UTC
   5
   6 # Original author: Noah Friedman <friedman@prep.ai.mit.edu>
   7 # Created: 1993-05-16
   8 # Public domain.
   9 #
  10 # This file is maintained in Automake, please report
  11 # bugs to <bug-automake@gnu.org> or send patches to
  12 # <automake-patches@gnu.org>.
  13
  14 nl='
  15 '
  16 IFS=" ""        $nl"
  17 errstatus=0
  18 dirmode=
  19
  20 usage="\
  21 Usage: mkinstalldirs [-h] [--help] [--version] [-m MODE] DIR ...
  22
  23 Create each directory DIR (with mode MODE, if specified), including all
  24 leading file name components.
  25
  26 Report bugs to <bug-automake@gnu.org>.
  27 GNU Automake home page: <https://www.gnu.org/software/automake/>.
  28 General help using GNU software: <https://www.gnu.org/gethelp/>."
  29
  30 # process command line arguments
  31 while test $# -gt 0 ; do
  32   case $1 in
  33     -h | --help | --h*)         # -h for help
  34       echo "$usage"
  35       exit $?
  36       ;;
  37     -m)                         # -m PERM arg
  38       shift
  39       test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
  40       dirmode=$1
  41       shift
  42       ;;
  43     --version)
  44       echo "$0 $scriptversion"
  45       exit $?
  46       ;;
  47     --)                         # stop option processing
  48       shift
  49       break
  50       ;;
  51     -*)                         # unknown option
  52       echo "$usage" 1>&2
  53       exit 1
  54       ;;
  55     *)                          # first non-opt arg
  56       break
  57       ;;
  58   esac
  59 done
  60
  61 for file
  62 do
  63   if test -d "$file"; then
  64     shift
  65   else
  66     break
  67   fi
  68 done
  69
  70 case $# in
  71   0) exit 0 ;;
  72 esac
  73
  74 # Solaris 8's mkdir -p isn't thread-safe.  If you mkdir -p a/b and
  75 # mkdir -p a/c at the same time, both will detect that a is missing,
  76 # one will create a, then the other will try to create a and die with
  77 # a "File exists" error.  This is a problem when calling mkinstalldirs
  78 # from a parallel make.  We use --version in the probe to restrict
  79 # ourselves to GNU mkdir, which is thread-safe.
  80 case $dirmode in
  81   '')
  82     if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
  83       echo "mkdir -p -- $*"
  84       exec mkdir -p -- "$@"
  85     else
  86       # On NextStep and OpenStep, the 'mkdir' command does not
  87       # recognize any option.  It will interpret all options as
  88       # directories to create, and then abort because '.' already
  89       # exists.
  90       test -d ./-p && rmdir ./-p
  91       test -d ./--version && rmdir ./--version
  92     fi
  93     ;;
  94   *)
  95     if mkdir -m "$dirmode" -p --version . >/dev/null 2>&1 &&
  96        test ! -d ./--version; then
  97       echo "umask 22"
  98       umask 22
  99       echo "mkdir -m $dirmode -p -- $*"
 100       exec mkdir -m "$dirmode" -p -- "$@"
 101     else
 102       # Clean up after NextStep and OpenStep mkdir.
 103       for d in ./-m ./-p ./--version "./$dirmode";
 104       do
 105         test -d $d && rmdir $d
 106       done
 107     fi
 108     ;;
 109 esac
 110
 111 echo "umask 22"
 112 umask 22
 113
 114 for file
 115 do
 116   case $file in
 117     /*) pathcomp=/ ;;
 118     *)  pathcomp= ;;
 119   esac
 120   oIFS=$IFS
 121   IFS=/
 122   set fnord $file
 123   shift
 124   IFS=$oIFS
 125
 126   for d
 127   do
 128     test "x$d" = x && continue
 129
 130     pathcomp=$pathcomp$d
 131     case $pathcomp in
 132       -*) pathcomp=./$pathcomp ;;
 133     esac
 134
 135     if test ! -d "$pathcomp"; then
 136       echo "mkdir $pathcomp"
 137
 138       mkdir "$pathcomp" || lasterr=$?
 139
 140       if test ! -d "$pathcomp"; then
 141         errstatus=$lasterr
 142       fi
 143     fi
 144
 145     pathcomp=$pathcomp/
 146   done
 147
 148   if test ! -z "$dirmode"; then
 149     echo "chmod $dirmode $file"
 150     chmod "$dirmode" "$file" || errstatus=$?
 151   fi
 152 done
 153
 154 exit $errstatus
 155
 156 # Local Variables:
 157 # mode: shell-script
 158 # sh-indentation: 2
 159 # eval: (add-hook 'before-save-hook 'time-stamp)
 160 # time-stamp-start: "scriptversion="
 161 # time-stamp-format: "%:y-%02m-%02d.%02H"
 162 # time-stamp-time-zone: "UTC0"
 163 # time-stamp-end: "; # UTC"
 164 # End: