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
18# Default directory mode for all zsh files is world read- and executable
19dirmode=755
20
21usage="\
22Usage: mkinstalldirs [-h] [--help] [--version] [-m MODE] DIR ...
23
24Create each directory DIR (with mode MODE, if specified), including all
25leading file name components.
26
27Report bugs to <bug-automake@gnu.org>."
28
29# process command line arguments
30while test $# -gt 0 ; do
31  case $1 in
32    -h | --help | --h*)         # -h for help
33      echo "$usage"
34      exit $?
35      ;;
36    -m)                         # -m PERM arg
37      shift
38      test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
39      dirmode=$1
40      shift
41      ;;
42    --version)
43      echo "$0 $scriptversion"
44      exit $?
45      ;;
46    --)                         # stop option processing
47      shift
48      break
49      ;;
50    -*)                         # unknown option
51      echo "$usage" 1>&2
52      exit 1
53      ;;
54    *)                          # first non-opt arg
55      break
56      ;;
57  esac
58done
59
60for file
61do
62  if test -d "$file"; then
63    shift
64  else
65    break
66  fi
67done
68
69case $# in
70  0) exit 0 ;;
71esac
72
73# Solaris 8's mkdir -p isn't thread-safe.  If you mkdir -p a/b and
74# mkdir -p a/c at the same time, both will detect that a is missing,
75# one will create a, then the other will try to create a and die with
76# a "File exists" error.  This is a problem when calling mkinstalldirs
77# from a parallel make.  We use --version in the probe to restrict
78# ourselves to GNU mkdir, which is thread-safe.
79case $dirmode in
80  '')
81    if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
82      echo "mkdir -p -- $*"
83      exec mkdir -p -- "$@"
84    else
85      # On NextStep and OpenStep, the `mkdir' command does not
86      # recognize any option.  It will interpret all options as
87      # directories to create, and then abort because `.' already
88      # exists.
89      test -d ./-p && rmdir ./-p
90      test -d ./--version && rmdir ./--version
91    fi
92    ;;
93  *)
94    if mkdir -m "$dirmode" -p --version . >/dev/null 2>&1 &&
95       test ! -d ./--version; then
96      echo "mkdir -m $dirmode -p -- $*"
97      exec mkdir -m "$dirmode" -p -- "$@"
98    else
99      # Clean up after NextStep and OpenStep mkdir.
100      for d in ./-m ./-p ./--version "./$dirmode";
101      do
102        test -d $d && rmdir $d
103      done
104    fi
105    ;;
106esac
107
108for file
109do
110  case $file in
111    /*) pathcomp=/ ;;
112    *)  pathcomp= ;;
113  esac
114  oIFS=$IFS
115  IFS=/
116  set fnord $file
117  shift
118  IFS=$oIFS
119
120  for d
121  do
122    test "x$d" = x && continue
123
124    pathcomp=$pathcomp$d
125    case $pathcomp in
126      -*) pathcomp=./$pathcomp ;;
127    esac
128
129    if test ! -d "$pathcomp"; then
130      echo "mkdir $pathcomp"
131
132      mkdir "$pathcomp" || lasterr=$?
133
134      if test ! -d "$pathcomp"; then
135	errstatus=$lasterr
136      else
137	if test ! -z "$dirmode"; then
138	  echo "chmod $dirmode $pathcomp"
139	  lasterr=
140	  chmod "$dirmode" "$pathcomp" || lasterr=$?
141
142	  if test ! -z "$lasterr"; then
143	    errstatus=$lasterr
144	  fi
145	fi
146      fi
147    fi
148
149    pathcomp=$pathcomp/
150  done
151done
152
153exit $errstatus
154
155# Local Variables:
156# mode: shell-script
157# sh-indentation: 2
158# eval: (add-hook 'write-file-hooks 'time-stamp)
159# time-stamp-start: "scriptversion="
160# time-stamp-format: "%:y-%02m-%02d.%02H"
161# time-stamp-end: "$"
162# End:
163