1#! /bin/sh
2# mkinstalldirs --- make directory hierarchy
3
4scriptversion=2006-05-11.19
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
14nl='
15'
16IFS=" ""	$nl"
17errstatus=0
18dirmode=
19
20usage="\
21Usage: mkinstalldirs [-h] [--help] [--version] [-m MODE] DIR ...
22
23Create each directory DIR (with mode MODE, if specified), including all
24leading file name components.
25
26Report bugs to <bug-automake@gnu.org>."
27
28# process command line arguments
29while 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
57done
58
59for file
60do
61  if test -d "$file"; then
62    shift
63  else
64    break
65  fi
66done
67
68case $# in
69  0) exit 0 ;;
70esac
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.
78case $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    ;;
105esac
106
107for file
108do
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
150done
151
152exit $errstatus
153
154# Local Variables:
155# mode: shell-script
156# sh-indentation: 2
157# eval: (add-hook 'write-file-hooks 'time-stamp)
158# time-stamp-start: "scriptversion="
159# time-stamp-format: "%:y-%02m-%02d.%02H"
160# time-stamp-end: "$"
161# End:
162