mkinstalldirs 3.46 KB
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#! /bin/sh
# mkinstalldirs --- make directory hierarchy
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scriptversion=2009-04-28.21; # UTC

# Original author: Noah Friedman <friedman@prep.ai.mit.edu>
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# Created: 1993-05-16
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# Public domain.
#
# This file is maintained in Automake, please report
# bugs to <bug-automake@gnu.org> or send patches to
# <automake-patches@gnu.org>.
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nl='
'
IFS=" ""	$nl"
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errstatus=0
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dirmode=
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usage="\
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Usage: mkinstalldirs [-h] [--help] [--version] [-m MODE] DIR ...

Create each directory DIR (with mode MODE, if specified), including all
leading file name components.

Report bugs to <bug-automake@gnu.org>."
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# process command line arguments
while test $# -gt 0 ; do
  case $1 in
    -h | --help | --h*)         # -h for help
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      echo "$usage"
      exit $?
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      ;;
    -m)                         # -m PERM arg
      shift
      test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
      dirmode=$1
      shift
      ;;
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    --version)
      echo "$0 $scriptversion"
      exit $?
      ;;
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    --)                         # stop option processing
      shift
      break
      ;;
    -*)                         # unknown option
      echo "$usage" 1>&2
      exit 1
      ;;
    *)                          # first non-opt arg
      break
      ;;
  esac
done

for file
do
  if test -d "$file"; then
    shift
  else
    break
  fi
done

case $# in
  0) exit 0 ;;
esac

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# Solaris 8's mkdir -p isn't thread-safe.  If you mkdir -p a/b and
# mkdir -p a/c at the same time, both will detect that a is missing,
# one will create a, then the other will try to create a and die with
# a "File exists" error.  This is a problem when calling mkinstalldirs
# from a parallel make.  We use --version in the probe to restrict
# ourselves to GNU mkdir, which is thread-safe.
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case $dirmode in
  '')
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    if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
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      echo "mkdir -p -- $*"
      exec mkdir -p -- "$@"
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    else
      # On NextStep and OpenStep, the `mkdir' command does not
      # recognize any option.  It will interpret all options as
      # directories to create, and then abort because `.' already
      # exists.
      test -d ./-p && rmdir ./-p
      test -d ./--version && rmdir ./--version
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    fi
    ;;
  *)
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    if mkdir -m "$dirmode" -p --version . >/dev/null 2>&1 &&
       test ! -d ./--version; then
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      echo "mkdir -m $dirmode -p -- $*"
      exec mkdir -m "$dirmode" -p -- "$@"
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    else
      # Clean up after NextStep and OpenStep mkdir.
      for d in ./-m ./-p ./--version "./$dirmode";
      do
        test -d $d && rmdir $d
      done
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    fi
    ;;
esac

for file
do
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  case $file in
    /*) pathcomp=/ ;;
    *)  pathcomp= ;;
  esac
  oIFS=$IFS
  IFS=/
  set fnord $file
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  shift
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  IFS=$oIFS
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  for d
  do
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    test "x$d" = x && continue

    pathcomp=$pathcomp$d
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    case $pathcomp in
      -*) pathcomp=./$pathcomp ;;
    esac

    if test ! -d "$pathcomp"; then
      echo "mkdir $pathcomp"

      mkdir "$pathcomp" || lasterr=$?

      if test ! -d "$pathcomp"; then
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	errstatus=$lasterr
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      else
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	if test ! -z "$dirmode"; then
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	  echo "chmod $dirmode $pathcomp"
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	  lasterr=
	  chmod "$dirmode" "$pathcomp" || lasterr=$?
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	  if test ! -z "$lasterr"; then
	    errstatus=$lasterr
	  fi
	fi
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      fi
    fi

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    pathcomp=$pathcomp/
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  done
done

exit $errstatus

# Local Variables:
# mode: shell-script
# sh-indentation: 2
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# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
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# End: