1#!/bin/sh
2# install - install a program, script, or datafile
3
4scriptversion=2003-09-24.23
5
6# This originates from X11R5 (mit/util/scripts/install.sh), which was
7# later released in X11R6 (xc/config/util/install.sh) with the
8# following copyright and license.
9#
10# Copyright (C) 1994 X Consortium
11#
12# Permission is hereby granted, free of charge, to any person obtaining a copy
13# of this software and associated documentation files (the "Software"), to
14# deal in the Software without restriction, including without limitation the
15# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
16# sell copies of the Software, and to permit persons to whom the Software is
17# furnished to do so, subject to the following conditions:
18#
19# The above copyright notice and this permission notice shall be included in
20# all copies or substantial portions of the Software.
21#
22# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
25# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
26# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
27# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28#
29# Except as contained in this notice, the name of the X Consortium shall not
30# be used in advertising or otherwise to promote the sale, use or other deal-
31# ings in this Software without prior written authorization from the X Consor-
32# tium.
33#
34#
35# FSF changes to this file are in the public domain.
36#
37# Calling this script install-sh is preferred over install.sh, to prevent
38# `make' implicit rules from creating a file called install from it
39# when there is no Makefile.
40#
41# This script is compatible with the BSD install script, but was written
42# from scratch.  It can only install one file at a time, a restriction
43# shared with many OS's install programs.
44
45# set DOITPROG to echo to test this script
46
47# Don't use :- since 4.3BSD and earlier shells don't like it.
48doit="${DOITPROG-}"
49
50# put in absolute paths if you don't have them in your path; or use env. vars.
51
52mvprog="${MVPROG-mv}"
53cpprog="${CPPROG-cp}"
54chmodprog="${CHMODPROG-chmod}"
55chownprog="${CHOWNPROG-chown}"
56chgrpprog="${CHGRPPROG-chgrp}"
57stripprog="${STRIPPROG-strip}"
58rmprog="${RMPROG-rm}"
59mkdirprog="${MKDIRPROG-mkdir}"
60
61transformbasename=
62transform_arg=
63instcmd="$mvprog"
64chmodcmd="$chmodprog 0755"
65chowncmd=
66chgrpcmd=
67stripcmd=
68rmcmd="$rmprog -f"
69mvcmd="$mvprog"
70src=
71dst=
72dir_arg=
73
74usage="Usage: $0 [OPTION]... SRCFILE DSTFILE
75   or: $0 -d DIR1 DIR2...
76
77In the first form, install SRCFILE to DSTFILE, removing SRCFILE by default.
78In the second, create the directory path DIR.
79
80Options:
81-b=TRANSFORMBASENAME
82-c         copy source (using $cpprog) instead of moving (using $mvprog).
83-d         create directories instead of installing files.
84-g GROUP   $chgrp installed files to GROUP.
85-m MODE    $chmod installed files to MODE.
86-o USER    $chown installed files to USER.
87-s         strip installed files (using $stripprog).
88-t=TRANSFORM
89--help     display this help and exit.
90--version  display version info and exit.
91
92Environment variables override the default commands:
93  CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
94"
95
96while test -n "$1"; do
97  case $1 in
98    -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
99        shift
100        continue;;
101
102    -c) instcmd=$cpprog
103        shift
104        continue;;
105
106    -d) dir_arg=true
107        shift
108        continue;;
109
110    -g) chgrpcmd="$chgrpprog $2"
111        shift
112        shift
113        continue;;
114
115    --help) echo "$usage"; exit 0;;
116
117    -m) chmodcmd="$chmodprog $2"
118        shift
119        shift
120        continue;;
121
122    -o) chowncmd="$chownprog $2"
123        shift
124        shift
125        continue;;
126
127    -s) stripcmd=$stripprog
128        shift
129        continue;;
130
131    -t=*) transformarg=`echo $1 | sed 's/-t=//'`
132        shift
133        continue;;
134
135    --version) echo "$0 $scriptversion"; exit 0;;
136
137    *)  if test -z "$src"; then
138          src=$1
139        else
140          # this colon is to work around a 386BSD /bin/sh bug
141          :
142          dst=$1
143        fi
144        shift
145        continue;;
146  esac
147done
148
149if test -z "$src"; then
150  echo "$0: no input file specified." >&2
151  exit 1
152fi
153
154# Protect names starting with `-'.
155case $src in
156  -*) src=./$src ;;
157esac
158
159if test -n "$dir_arg"; then
160  dst=$src
161  src=
162
163  if test -d "$dst"; then
164    instcmd=:
165    chmodcmd=
166  else
167    instcmd=$mkdirprog
168  fi
169else
170  # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
171  # might cause directories to be created, which would be especially bad
172  # if $src (and thus $dsttmp) contains '*'.
173  if test ! -f "$src" && test ! -d "$src"; then
174    echo "$0: $src does not exist." >&2
175    exit 1
176  fi
177
178  if test -z "$dst"; then
179    echo "$0: no destination specified." >&2
180    exit 1
181  fi
182
183  # Protect names starting with `-'.
184  case $dst in
185    -*) dst=./$dst ;;
186  esac
187
188  # If destination is a directory, append the input filename; won't work
189  # if double slashes aren't ignored.
190  if test -d "$dst"; then
191    dst=$dst/`basename "$src"`
192  fi
193fi
194
195# This sed command emulates the dirname command.
196dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
197
198# Make sure that the destination directory exists.
199
200# Skip lots of stat calls in the usual case.
201if test ! -d "$dstdir"; then
202  defaultIFS='
203	'
204  IFS="${IFS-$defaultIFS}"
205
206  oIFS=$IFS
207  # Some sh's can't handle IFS=/ for some reason.
208  IFS='%'
209  set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
210  IFS=$oIFS
211
212  pathcomp=
213
214  while test $# -ne 0 ; do
215    pathcomp=$pathcomp$1
216    shift
217    test -d "$pathcomp" || $mkdirprog "$pathcomp"
218    pathcomp=$pathcomp/
219  done
220fi
221
222if test -n "$dir_arg"; then
223  $doit $instcmd "$dst" \
224    && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
225    && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
226    && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
227    && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
228
229else
230  # If we're going to rename the final executable, determine the name now.
231  if test -z "$transformarg"; then
232    dstfile=`basename "$dst"`
233  else
234    dstfile=`basename "$dst" $transformbasename \
235             | sed $transformarg`$transformbasename
236  fi
237
238  # don't allow the sed command to completely eliminate the filename.
239  test -z "$dstfile" && dstfile=`basename "$dst"`
240
241  # Make a couple of temp file names in the proper directory.
242  dsttmp=$dstdir/_inst.$$_
243  rmtmp=$dstdir/_rm.$$_
244
245  # Trap to clean up those temp files at exit.
246  trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
247  trap '(exit $?); exit' 1 2 13 15
248
249  # Move or copy the file name to the temp name
250  $doit $instcmd "$src" "$dsttmp" &&
251
252  # and set any options; do chmod last to preserve setuid bits.
253  #
254  # If any of these fail, we abort the whole thing.  If we want to
255  # ignore errors from any of these, just make sure not to ignore
256  # errors from the above "$doit $instcmd $src $dsttmp" command.
257  #
258  { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
259    && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
260    && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
261    && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
262
263  # Now remove or move aside any old file at destination location.  We
264  # try this two ways since rm can't unlink itself on some systems and
265  # the destination file might be busy for other reasons.  In this case,
266  # the final cleanup might fail but the new file should still install
267  # successfully.
268  {
269    if test -f "$dstdir/$dstfile"; then
270      $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
271      || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
272      || {
273	  echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
274	  (exit 1); exit
275      }
276    else
277      :
278    fi
279  } &&
280
281  # Now rename the file to the real destination.
282  $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
283fi &&
284
285# The final little trick to "correctly" pass the exit status to the exit trap.
286{
287  (exit 0); exit
288}
289
290# Local variables:
291# eval: (add-hook 'write-file-hooks 'time-stamp)
292# time-stamp-start: "scriptversion="
293# time-stamp-format: "%:y-%02m-%02d.%02H"
294# time-stamp-end: "$"
295# End:
296