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revision 1.1, Mon Nov 13 20:42:23 2006 UTC revision 1.2, Wed May 21 13:33:35 2008 UTC
# Line 0  Line 1 
1    #!/bin/sh
2    # install - install a program, script, or datafile
3    
4    scriptversion=2005-02-02.21
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.
48    doit="${DOITPROG-}"
49    
50    # put in absolute paths if you don't have them in your path; or use env. vars.
51    
52    mvprog="${MVPROG-mv}"
53    cpprog="${CPPROG-cp}"
54    chmodprog="${CHMODPROG-chmod}"
55    chownprog="${CHOWNPROG-chown}"
56    chgrpprog="${CHGRPPROG-chgrp}"
57    stripprog="${STRIPPROG-strip}"
58    rmprog="${RMPROG-rm}"
59    mkdirprog="${MKDIRPROG-mkdir}"
60    
61    chmodcmd="$chmodprog 0755"
62    chowncmd=
63    chgrpcmd=
64    stripcmd=
65    rmcmd="$rmprog -f"
66    mvcmd="$mvprog"
67    src=
68    dst=
69    dir_arg=
70    dstarg=
71    no_target_directory=
72    
73    usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
74       or: $0 [OPTION]... SRCFILES... DIRECTORY
75       or: $0 [OPTION]... -t DIRECTORY SRCFILES...
76       or: $0 [OPTION]... -d DIRECTORIES...
77    
78    In the 1st form, copy SRCFILE to DSTFILE.
79    In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
80    In the 4th, create DIRECTORIES.
81    
82    Options:
83    -c         (ignored)
84    -d         create directories instead of installing files.
85    -g GROUP   $chgrpprog installed files to GROUP.
86    -m MODE    $chmodprog installed files to MODE.
87    -o USER    $chownprog installed files to USER.
88    -s         $stripprog installed files.
89    -t DIRECTORY  install into DIRECTORY.
90    -T         report an error if DSTFILE is a directory.
91    --help     display this help and exit.
92    --version  display version info and exit.
93    
94    Environment variables override the default commands:
95      CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
96    "
97    
98    while test -n "$1"; do
99      case $1 in
100        -c) shift
101            continue;;
102    
103        -d) dir_arg=true
104            shift
105            continue;;
106    
107        -g) chgrpcmd="$chgrpprog $2"
108            shift
109            shift
110            continue;;
111    
112        --help) echo "$usage"; exit $?;;
113    
114        -m) chmodcmd="$chmodprog $2"
115            shift
116            shift
117            continue;;
118    
119        -o) chowncmd="$chownprog $2"
120            shift
121            shift
122            continue;;
123    
124        -s) stripcmd=$stripprog
125            shift
126            continue;;
127    
128        -t) dstarg=$2
129            shift
130            shift
131            continue;;
132    
133        -T) no_target_directory=true
134            shift
135            continue;;
136    
137        --version) echo "$0 $scriptversion"; exit $?;;
138    
139        *)  # When -d is used, all remaining arguments are directories to create.
140            # When -t is used, the destination is already specified.
141            test -n "$dir_arg$dstarg" && break
142            # Otherwise, the last argument is the destination.  Remove it from $@.
143            for arg
144            do
145              if test -n "$dstarg"; then
146                # $@ is not empty: it contains at least $arg.
147                set fnord "$@" "$dstarg"
148                shift # fnord
149              fi
150              shift # arg
151              dstarg=$arg
152            done
153            break;;
154      esac
155    done
156    
157    if test -z "$1"; then
158      if test -z "$dir_arg"; then
159        echo "$0: no input file specified." >&2
160        exit 1
161      fi
162      # It's OK to call `install-sh -d' without argument.
163      # This can happen when creating conditional directories.
164      exit 0
165    fi
166    
167    for src
168    do
169      # Protect names starting with `-'.
170      case $src in
171        -*) src=./$src ;;
172      esac
173    
174      if test -n "$dir_arg"; then
175        dst=$src
176        src=
177    
178        if test -d "$dst"; then
179          mkdircmd=:
180          chmodcmd=
181        else
182          mkdircmd=$mkdirprog
183        fi
184      else
185        # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
186        # might cause directories to be created, which would be especially bad
187        # if $src (and thus $dsttmp) contains '*'.
188        if test ! -f "$src" && test ! -d "$src"; then
189          echo "$0: $src does not exist." >&2
190          exit 1
191        fi
192    
193        if test -z "$dstarg"; then
194          echo "$0: no destination specified." >&2
195          exit 1
196        fi
197    
198        dst=$dstarg
199        # Protect names starting with `-'.
200        case $dst in
201          -*) dst=./$dst ;;
202        esac
203    
204        # If destination is a directory, append the input filename; won't work
205        # if double slashes aren't ignored.
206        if test -d "$dst"; then
207          if test -n "$no_target_directory"; then
208            echo "$0: $dstarg: Is a directory" >&2
209            exit 1
210          fi
211          dst=$dst/`basename "$src"`
212        fi
213      fi
214    
215      # This sed command emulates the dirname command.
216      dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'`
217    
218      # Make sure that the destination directory exists.
219    
220      # Skip lots of stat calls in the usual case.
221      if test ! -d "$dstdir"; then
222        defaultIFS='
223             '
224        IFS="${IFS-$defaultIFS}"
225    
226        oIFS=$IFS
227        # Some sh's can't handle IFS=/ for some reason.
228        IFS='%'
229        set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
230        shift
231        IFS=$oIFS
232    
233        pathcomp=
234    
235        while test $# -ne 0 ; do
236          pathcomp=$pathcomp$1
237          shift
238          if test ! -d "$pathcomp"; then
239            $mkdirprog "$pathcomp"
240            # mkdir can fail with a `File exist' error in case several
241            # install-sh are creating the directory concurrently.  This
242            # is OK.
243            test -d "$pathcomp" || exit
244          fi
245          pathcomp=$pathcomp/
246        done
247      fi
248    
249      if test -n "$dir_arg"; then
250        $doit $mkdircmd "$dst" \
251          && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
252          && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
253          && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
254          && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
255    
256      else
257        dstfile=`basename "$dst"`
258    
259        # Make a couple of temp file names in the proper directory.
260        dsttmp=$dstdir/_inst.$$_
261        rmtmp=$dstdir/_rm.$$_
262    
263        # Trap to clean up those temp files at exit.
264        trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
265        trap '(exit $?); exit' 1 2 13 15
266    
267        # Copy the file name to the temp name.
268        $doit $cpprog "$src" "$dsttmp" &&
269    
270        # and set any options; do chmod last to preserve setuid bits.
271        #
272        # If any of these fail, we abort the whole thing.  If we want to
273        # ignore errors from any of these, just make sure not to ignore
274        # errors from the above "$doit $cpprog $src $dsttmp" command.
275        #
276        { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
277          && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
278          && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
279          && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
280    
281        # Now rename the file to the real destination.
282        { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
283          || {
284               # The rename failed, perhaps because mv can't rename something else
285               # to itself, or perhaps because mv is so ancient that it does not
286               # support -f.
287    
288               # Now remove or move aside any old file at destination location.
289               # We try this two ways since rm can't unlink itself on some
290               # systems and the destination file might be busy for other
291               # reasons.  In this case, the final cleanup might fail but the new
292               # file should still install successfully.
293               {
294                 if test -f "$dstdir/$dstfile"; then
295                   $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
296                   || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
297                   || {
298                     echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
299                     (exit 1); exit 1
300                   }
301                 else
302                   :
303                 fi
304               } &&
305    
306               # Now rename the file to the real destination.
307               $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
308             }
309        }
310      fi || { (exit 1); exit 1; }
311    done
312    
313    # The final little trick to "correctly" pass the exit status to the exit trap.
314    {
315      (exit 0); exit 0
316    }
317    
318    # Local variables:
319    # eval: (add-hook 'write-file-hooks 'time-stamp)
320    # time-stamp-start: "scriptversion="
321    # time-stamp-format: "%:y-%02m-%02d.%02H"
322    # time-stamp-end: "$"
323    # End:

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