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#!/bin/sh |
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# |
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# install - install a program, script, or datafile |
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# This comes from X11R5 (mit/util/scripts/install.sh). |
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# |
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# Copyright 1991 by the Massachusetts Institute of Technology |
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# |
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# Permission to use, copy, modify, distribute, and sell this software and its |
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# documentation for any purpose is hereby granted without fee, provided that |
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# the above copyright notice appear in all copies and that both that |
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# copyright notice and this permission notice appear in supporting |
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# documentation, and that the name of M.I.T. not be used in advertising or |
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# publicity pertaining to distribution of the software without specific, |
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# written prior permission. M.I.T. makes no representations about the |
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# suitability of this software for any purpose. It is provided "as is" |
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# without express or implied warranty. |
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# |
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# Calling this script install-sh is preferred over install.sh, to prevent |
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# `make' implicit rules from creating a file called install from it |
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# when there is no Makefile. |
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# |
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# This script is compatible with the BSD install script, but was written |
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# from scratch. It can only install one file at a time, a restriction |
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# shared with many OS's install programs. |
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# set DOITPROG to echo to test this script |
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# Don't use :- since 4.3BSD and earlier shells don't like it. |
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doit="${DOITPROG-}" |
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# put in absolute paths if you don't have them in your path; or use env. vars. |
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mvprog="${MVPROG-mv}" |
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cpprog="${CPPROG-cp}" |
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chmodprog="${CHMODPROG-chmod}" |
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chownprog="${CHOWNPROG-chown}" |
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chgrpprog="${CHGRPPROG-chgrp}" |
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stripprog="${STRIPPROG-strip}" |
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rmprog="${RMPROG-rm}" |
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mkdirprog="${MKDIRPROG-mkdir}" |
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transformbasename="" |
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transform_arg="" |
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instcmd="$mvprog" |
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chmodcmd="$chmodprog 0755" |
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chowncmd="" |
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chgrpcmd="" |
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stripcmd="" |
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rmcmd="$rmprog -f" |
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mvcmd="$mvprog" |
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src="" |
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dst="" |
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dir_arg="" |
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while [ x"$1" != x ]; do |
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case $1 in |
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-c) instcmd=$cpprog |
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shift |
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continue;; |
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-d) dir_arg=true |
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shift |
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continue;; |
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-m) chmodcmd="$chmodprog $2" |
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shift |
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shift |
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continue;; |
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-o) chowncmd="$chownprog $2" |
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shift |
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shift |
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continue;; |
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-g) chgrpcmd="$chgrpprog $2" |
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shift |
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shift |
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continue;; |
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-s) stripcmd=$stripprog |
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shift |
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continue;; |
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-t=*) transformarg=`echo $1 | sed 's/-t=//'` |
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shift |
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continue;; |
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-b=*) transformbasename=`echo $1 | sed 's/-b=//'` |
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shift |
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continue;; |
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*) if [ x"$src" = x ] |
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then |
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src=$1 |
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else |
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# this colon is to work around a 386BSD /bin/sh bug |
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: |
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dst=$1 |
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fi |
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shift |
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continue;; |
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esac |
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done |
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if [ x"$src" = x ] |
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then |
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echo "$0: no input file specified" >&2 |
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exit 1 |
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else |
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: |
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fi |
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if [ x"$dir_arg" != x ]; then |
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dst=$src |
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src="" |
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if [ -d "$dst" ]; then |
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instcmd=: |
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chmodcmd="" |
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else |
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instcmd=$mkdirprog |
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fi |
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else |
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# Waiting for this to be detected by the "$instcmd $src $dsttmp" command |
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# might cause directories to be created, which would be especially bad |
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# if $src (and thus $dsttmp) contains '*'. |
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if [ -f "$src" ] || [ -d "$src" ] |
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then |
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: |
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else |
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echo "$0: $src does not exist" >&2 |
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exit 1 |
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fi |
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if [ x"$dst" = x ] |
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then |
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echo "$0: no destination specified" >&2 |
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exit 1 |
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else |
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: |
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fi |
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# If destination is a directory, append the input filename; if your system |
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# does not like double slashes in filenames, you may need to add some logic |
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if [ -d "$dst" ] |
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then |
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dst=$dst/`basename "$src"` |
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else |
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: |
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fi |
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fi |
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## this sed command emulates the dirname command |
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dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` |
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# Make sure that the destination directory exists. |
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# this part is taken from Noah Friedman's mkinstalldirs script |
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# Skip lots of stat calls in the usual case. |
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if [ ! -d "$dstdir" ]; then |
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defaultIFS=' |
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' |
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IFS="${IFS-$defaultIFS}" |
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oIFS=$IFS |
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# Some sh's can't handle IFS=/ for some reason. |
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IFS='%' |
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set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'` |
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IFS=$oIFS |
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pathcomp='' |
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while [ $# -ne 0 ] ; do |
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pathcomp=$pathcomp$1 |
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shift |
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if [ ! -d "$pathcomp" ] ; |
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then |
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$mkdirprog "$pathcomp" |
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else |
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: |
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fi |
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pathcomp=$pathcomp/ |
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done |
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fi |
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if [ x"$dir_arg" != x ] |
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then |
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$doit $instcmd "$dst" && |
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if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi && |
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if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi && |
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if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi && |
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if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi |
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else |
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# If we're going to rename the final executable, determine the name now. |
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if [ x"$transformarg" = x ] |
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then |
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dstfile=`basename "$dst"` |
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else |
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dstfile=`basename "$dst" $transformbasename | |
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sed $transformarg`$transformbasename |
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fi |
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# don't allow the sed command to completely eliminate the filename |
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if [ x"$dstfile" = x ] |
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then |
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dstfile=`basename "$dst"` |
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else |
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: |
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fi |
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# Make a couple of temp file names in the proper directory. |
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dsttmp=$dstdir/#inst.$$# |
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rmtmp=$dstdir/#rm.$$# |
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# Trap to clean up temp files at exit. |
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trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0 |
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trap '(exit $?); exit' 1 2 13 15 |
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# Move or copy the file name to the temp name |
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$doit $instcmd "$src" "$dsttmp" && |
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# and set any options; do chmod last to preserve setuid bits |
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# If any of these fail, we abort the whole thing. If we want to |
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# ignore errors from any of these, just make sure not to ignore |
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# errors from the above "$doit $instcmd $src $dsttmp" command. |
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if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi && |
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if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi && |
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if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi && |
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if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi && |
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# Now remove or move aside any old file at destination location. We try this |
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# two ways since rm can't unlink itself on some systems and the destination |
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# file might be busy for other reasons. In this case, the final cleanup |
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# might fail but the new file should still install successfully. |
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{ |
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if [ -f "$dstdir/$dstfile" ] |
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then |
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$doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null || |
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$doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null || |
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{ |
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echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 |
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(exit 1); exit |
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} |
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else |
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: |
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fi |
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} && |
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# Now rename the file to the real destination. |
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$doit $mvcmd "$dsttmp" "$dstdir/$dstfile" |
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fi && |
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# The final little trick to "correctly" pass the exit status to the exit trap. |
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{ |
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(exit 0); exit |
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} |
