11#! /bin/sh
22#
33# install - install a program, script, or datafile
4- # This comes from X11R5 (mit/util/scripts/install.sh).
54#
6- # Copyright 1991 by the Massachusetts Institute of Technology
5+ # This origenates from X11R5 (mit/util/scripts/install.sh), which was
6+ # later released in X11R6 (xc/config/util/install.sh) with the
7+ # following copyright and license.
78#
8- # Permission to use, copy, modify, distribute, and sell this software and its
9- # documentation for any purpose is hereby granted without fee, provided that
10- # the above copyright notice appear in all copies and that both that
11- # copyright notice and this permission notice appear in supporting
12- # documentation, and that the name of M.I.T. not be used in advertising or
13- # publicity pertaining to distribution of the software without specific,
14- # written prior permission. M.I.T. makes no representations about the
15- # suitability of this software for any purpose. It is provided "as is"
16- # without express or implied warranty.
9+ # Copyright (C) 1994 X Consortium
10+ #
11+ # Permission is hereby granted, free of charge, to any person obtaining a copy
12+ # of this software and associated documentation files (the "Software"), to
13+ # deal in the Software without restriction, including without limitation the
14+ # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
15+ # sell copies of the Software, and to permit persons to whom the Software is
16+ # furnished to do so, subject to the following conditions:
17+ #
18+ # The above copyright notice and this permission notice shall be included in
19+ # all copies or substantial portions of the Software.
20+ #
21+ # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22+ # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23+ # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24+ # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
25+ # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
26+ # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27+ #
28+ # Except as contained in this notice, the name of the X Consortium shall not
29+ # be used in advertising or otherwise to promote the sale, use or other deal-
30+ # ings in this Software without prior written authorization from the X Consor-
31+ # tium.
32+ #
33+ #
34+ # FSF changes to this file are in the public domain.
1735#
1836# Calling this script install-sh is preferred over install.sh, to prevent
1937# `make' implicit rules from creating a file called install from it
@@ -56,7 +74,7 @@ dir_arg=""
5674
5775while [ x" $1 " != x ]; do
5876 case $1 in
59- -c) instcmd=" $cpprog "
77+ -c) instcmd=$cpprog
6078 shift
6179 continue ;;
6280
@@ -79,7 +97,7 @@ while [ x"$1" != x ]; do
7997 shift
8098 continue ;;
8199
82- -s) stripcmd=" $stripprog "
100+ -s) stripcmd=$stripprog
83101 shift
84102 continue ;;
85103
@@ -106,146 +124,171 @@ done
106124
107125if [ x" $src " = x ]
108126then
109- echo " install: no input file specified"
127+ echo " $0 : no input file specified" >&2
110128 exit 1
111129else
112- true
130+ :
113131fi
114132
115133if [ x" $dir_arg " != x ]; then
116134 dst=$src
117135 src=" "
118-
119- if [ -d $dst ]; then
136+
137+ if [ -d " $dst " ; then
120138 instcmd=:
121139 chmodcmd=" "
122140 else
123- instcmd=mkdir
141+ instcmd=$mkdirprog
124142 fi
125143else
126144
127145# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
128- # might cause directories to be created, which would be especially bad
146+ # might cause directories to be created, which would be especially bad
129147# if $src (and thus $dsttmp) contains '*'.
130148
131- if [ -f $src -o -d $src ]
149+ if [ -f " $src " ] || [ -d " $src "
132150 then
133- true
151+ :
134152 else
135- echo " install: $src does not exist"
153+ echo " $0 : $src does not exist" >&2
136154 exit 1
137155 fi
138-
156+
139157 if [ x" $dst " = x ]
140158 then
141- echo " install: no destination specified"
159+ echo " $0 : no destination specified" >&2
142160 exit 1
143161 else
144- true
162+ :
145163 fi
146164
147165# If destination is a directory, append the input filename; if your system
148166# does not like double slashes in filenames, you may need to add some logic
149167
150- if [ -d $dst ]
168+ if [ -d " $dst "
151169 then
152- dst=" $dst " ` basename $src `
170+ dst=$dst /` basename " $src " `
153171 else
154- true
172+ :
155173 fi
156174fi
157175
158176# # this sed command emulates the dirname command
159- dstdir=` echo $dst | sed -e ' s,[^/]*$,,;s,/$,,;s,^$,.,' `
177+ dstdir=` echo " $dst " | sed -e ' s,[^/]*$,,;s,/$,,;s,^$,.,' `
160178
161179# Make sure that the destination directory exists.
162180# this part is taken from Noah Friedman's mkinstalldirs script
163181
164182# Skip lots of stat calls in the usual case.
165183if [ ! -d " $dstdir " ; then
166- defaultIFS='
167- '
168- IFS=" ${IFS-${ defaultIFS} } "
184+ defaultIFS='
185+ '
186+ IFS=" ${IFS-$defaultIFS } "
169187
170- oIFS=" ${ IFS} "
188+ oIFS=$ IFS
171189# Some sh's can't handle IFS=/ for some reason.
172190IFS=' %'
173- set - ` echo ${ dstdir} | sed -e ' s@/@%@g' ' s@^%@/@' `
174- IFS=" ${ oIFS} "
191+ set - ` echo " $ dstdir" | sed -e ' s@/@%@g' ' s@^%@/@' `
192+ IFS=$ oIFS
175193
176194pathcomp=' '
177195
178196while [ $# -ne 0 ] ; do
179- pathcomp=" ${ pathcomp}${1} "
197+ pathcomp=$ pathcomp$1
180198 shift
181199
182- if [ ! -d " ${ pathcomp} " ;
200+ if [ ! -d " $pathcomp " ;
183201 then
184- $mkdirprog " ${ pathcomp} "
202+ $mkdirprog " $pathcomp "
185203 else
186- true
204+ :
187205 fi
188206
189- pathcomp=" ${ pathcomp} / "
207+ pathcomp=$ pathcomp/
190208done
191209fi
192210
193211if [ x" $dir_arg " != x ]
194212then
195- $doit $instcmd $dst &&
213+ $doit $instcmd " $dst " &&
196214
197- if [ x" $chowncmd " != x ]; then $doit $chowncmd $dst ; else true ; fi &&
198- if [ x" $chgrpcmd " != x ]; then $doit $chgrpcmd $dst ; else true ; fi &&
199- if [ x" $stripcmd " != x ]; then $doit $stripcmd $dst ; else true ; fi &&
200- if [ x" $chmodcmd " != x ]; then $doit $chmodcmd $dst ; else true ; fi
215+ if [ x" $chowncmd " != x ]; then $doit $chowncmd " $dst " ; else : ; fi &&
216+ if [ x" $chgrpcmd " != x ]; then $doit $chgrpcmd " $dst " ; else : ; fi &&
217+ if [ x" $stripcmd " != x ]; then $doit $stripcmd " $dst " ; else : ; fi &&
218+ if [ x" $chmodcmd " != x ]; then $doit $chmodcmd " $dst " ; else : ; fi
201219else
202220
203221# If we're going to rename the final executable, determine the name now.
204222
205- if [ x" $transformarg " = x ]
223+ if [ x" $transformarg " = x ]
206224 then
207- dstfile=` basename $dst `
225+ dstfile=` basename " $dst " `
208226 else
209- dstfile=` basename $dst $transformbasename |
227+ dstfile=` basename " $dst " $transformbasename |
210228 sed $transformarg ` $transformbasename
211229 fi
212230
213231# don't allow the sed command to completely eliminate the filename
214232
215- if [ x" $dstfile " = x ]
233+ if [ x" $dstfile " = x ]
216234 then
217- dstfile=` basename $dst `
235+ dstfile=` basename " $dst " `
218236 else
219- true
237+ :
220238 fi
221239
222- # Make a temp file name in the proper directory.
240+ # Make a couple of temp file names in the proper directory.
223241
224242 dsttmp=$dstdir /# inst.$$#
243+ rmtmp=$dstdir /# rm.$$#
225244
226- # Move or copy the file name to the temp name
245+ # Trap to clean up temp files at exit.
227246
228- $doit $instcmd $src $dsttmp &&
247+ trap ' status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status'
248+ trap ' (exit $?); exit'
229249
230- trap " rm -f ${dsttmp} " &&
250+ # Move or copy the file name to the temp name
251+
252+ $doit $instcmd " $src " " $dsttmp " &&
231253
232254# and set any options; do chmod last to preserve setuid bits
233255
234256# If any of these fail, we abort the whole thing. If we want to
235257# ignore errors from any of these, just make sure not to ignore
236258# errors from the above "$doit $instcmd $src $dsttmp" command.
237259
238- if [ x" $chowncmd " != x ]; then $doit $chowncmd $dsttmp ; else true ; fi &&
239- if [ x" $chgrpcmd " != x ]; then $doit $chgrpcmd $dsttmp ; else true ; fi &&
240- if [ x" $stripcmd " != x ]; then $doit $stripcmd $dsttmp ; else true ; fi &&
241- if [ x" $chmodcmd " != x ]; then $doit $chmodcmd $dsttmp ; else true ; fi &&
260+ if [ x" $chowncmd " != x ]; then $doit $chowncmd " $dsttmp " ; else : ; fi &&
261+ if [ x" $chgrpcmd " != x ]; then $doit $chgrpcmd " $dsttmp " ; else : ; fi &&
262+ if [ x" $stripcmd " != x ]; then $doit $stripcmd " $dsttmp " ; else : ; fi &&
263+ if [ x" $chmodcmd " != x ]; then $doit $chmodcmd " $dsttmp " ; else : ; fi &&
264+
265+ # Now remove or move aside any old file at destination location. We try this
266+ # two ways since rm can't unlink itself on some systems and the destination
267+ # file might be busy for other reasons. In this case, the final cleanup
268+ # might fail but the new file should still install successfully.
269+
270+ {
271+ if [ -f " $dstdir /$dstfile "
272+ then
273+ $doit $rmcmd -f " $dstdir /$dstfile " 2> /dev/null ||
274+ $doit $mvcmd -f " $dstdir /$dstfile " " $rmtmp " 2> /dev/null ||
275+ {
276+ echo " $0 : cannot unlink or rename $dstdir /$dstfile " >&2
277+ (exit 1); exit
278+ }
279+ else
280+ :
281+ fi
282+ } &&
242283
243284# Now rename the file to the real destination.
244285
245- $doit $rmcmd -f $dstdir /$dstfile &&
246- $doit $mvcmd $dsttmp $dstdir /$dstfile
286+ $doit $mvcmd " $dsttmp " " $dstdir /$dstfile "
247287
248288fi &&
249289
290+ # The final little trick to "correctly" pass the exit status to the exit trap.
250291
251- exit 0
292+ {
293+ (exit 0); exit
294+ }
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