Annotation of embedaddon/libevent/mkinstalldirs, revision 1.1.1.1

1.1       misho       1: #! /bin/sh
                      2: # mkinstalldirs --- make directory hierarchy
                      3: 
                      4: scriptversion=2009-04-28.21; # 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: 
                     28: # process command line arguments
                     29: while test $# -gt 0 ; do
                     30:   case $1 in
                     31:     -h | --help | --h*)         # -h for help
                     32:       echo "$usage"
                     33:       exit $?
                     34:       ;;
                     35:     -m)                         # -m PERM arg
                     36:       shift
                     37:       test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
                     38:       dirmode=$1
                     39:       shift
                     40:       ;;
                     41:     --version)
                     42:       echo "$0 $scriptversion"
                     43:       exit $?
                     44:       ;;
                     45:     --)                         # stop option processing
                     46:       shift
                     47:       break
                     48:       ;;
                     49:     -*)                         # unknown option
                     50:       echo "$usage" 1>&2
                     51:       exit 1
                     52:       ;;
                     53:     *)                          # first non-opt arg
                     54:       break
                     55:       ;;
                     56:   esac
                     57: done
                     58: 
                     59: for file
                     60: do
                     61:   if test -d "$file"; then
                     62:     shift
                     63:   else
                     64:     break
                     65:   fi
                     66: done
                     67: 
                     68: case $# in
                     69:   0) exit 0 ;;
                     70: esac
                     71: 
                     72: # Solaris 8's mkdir -p isn't thread-safe.  If you mkdir -p a/b and
                     73: # mkdir -p a/c at the same time, both will detect that a is missing,
                     74: # one will create a, then the other will try to create a and die with
                     75: # a "File exists" error.  This is a problem when calling mkinstalldirs
                     76: # from a parallel make.  We use --version in the probe to restrict
                     77: # ourselves to GNU mkdir, which is thread-safe.
                     78: case $dirmode in
                     79:   '')
                     80:     if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
                     81:       echo "mkdir -p -- $*"
                     82:       exec mkdir -p -- "$@"
                     83:     else
                     84:       # On NextStep and OpenStep, the `mkdir' command does not
                     85:       # recognize any option.  It will interpret all options as
                     86:       # directories to create, and then abort because `.' already
                     87:       # exists.
                     88:       test -d ./-p && rmdir ./-p
                     89:       test -d ./--version && rmdir ./--version
                     90:     fi
                     91:     ;;
                     92:   *)
                     93:     if mkdir -m "$dirmode" -p --version . >/dev/null 2>&1 &&
                     94:        test ! -d ./--version; then
                     95:       echo "mkdir -m $dirmode -p -- $*"
                     96:       exec mkdir -m "$dirmode" -p -- "$@"
                     97:     else
                     98:       # Clean up after NextStep and OpenStep mkdir.
                     99:       for d in ./-m ./-p ./--version "./$dirmode";
                    100:       do
                    101:         test -d $d && rmdir $d
                    102:       done
                    103:     fi
                    104:     ;;
                    105: esac
                    106: 
                    107: for file
                    108: do
                    109:   case $file in
                    110:     /*) pathcomp=/ ;;
                    111:     *)  pathcomp= ;;
                    112:   esac
                    113:   oIFS=$IFS
                    114:   IFS=/
                    115:   set fnord $file
                    116:   shift
                    117:   IFS=$oIFS
                    118: 
                    119:   for d
                    120:   do
                    121:     test "x$d" = x && continue
                    122: 
                    123:     pathcomp=$pathcomp$d
                    124:     case $pathcomp in
                    125:       -*) pathcomp=./$pathcomp ;;
                    126:     esac
                    127: 
                    128:     if test ! -d "$pathcomp"; then
                    129:       echo "mkdir $pathcomp"
                    130: 
                    131:       mkdir "$pathcomp" || lasterr=$?
                    132: 
                    133:       if test ! -d "$pathcomp"; then
                    134:        errstatus=$lasterr
                    135:       else
                    136:        if test ! -z "$dirmode"; then
                    137:          echo "chmod $dirmode $pathcomp"
                    138:          lasterr=
                    139:          chmod "$dirmode" "$pathcomp" || lasterr=$?
                    140: 
                    141:          if test ! -z "$lasterr"; then
                    142:            errstatus=$lasterr
                    143:          fi
                    144:        fi
                    145:       fi
                    146:     fi
                    147: 
                    148:     pathcomp=$pathcomp/
                    149:   done
                    150: done
                    151: 
                    152: exit $errstatus
                    153: 
                    154: # Local Variables:
                    155: # mode: shell-script
                    156: # sh-indentation: 2
                    157: # eval: (add-hook 'write-file-hooks 'time-stamp)
                    158: # time-stamp-start: "scriptversion="
                    159: # time-stamp-format: "%:y-%02m-%02d.%02H"
                    160: # time-stamp-time-zone: "UTC"
                    161: # time-stamp-end: "; # UTC"
                    162: # End:

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>