Edit
kc3-lang/automake/lib/install-sh
Jim Meyering
- lib/install-sh
-
#!/bin/sh # # install - install a program, script, or datafile # This comes from X11R5 (mit/util/scripts/install.sh). # # Copyright 1991 by the Massachusetts Institute of Technology # # Permission to use, copy, modify, distribute, and sell this software and its # documentation for any purpose is hereby granted without fee, provided that # the above copyright notice appear in all copies and that both that # copyright notice and this permission notice appear in supporting # documentation, and that the name of M.I.T. not be used in advertising or # publicity pertaining to distribution of the software without specific, # written prior permission. M.I.T. makes no representations about the # suitability of this software for any purpose. It is provided "as is" # without express or implied warranty. # # Calling this script install-sh is preferred over install.sh, to prevent # `make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. It can only install one file at a time, a restriction # shared with many OS's install programs. # set DOITPROG to echo to test this script # Don't use :- since 4.3BSD and earlier shells don't like it. doit="${DOITPROG-}" # put in absolute paths if you don't have them in your path; or use env. vars. mvprog="${MVPROG-mv}" cpprog="${CPPROG-cp}" chmodprog="${CHMODPROG-chmod}" chownprog="${CHOWNPROG-chown}" chgrpprog="${CHGRPPROG-chgrp}" stripprog="${STRIPPROG-strip}" rmprog="${RMPROG-rm}" mkdirprog="${MKDIRPROG-mkdir}" transformbasename="" transform_arg="" instcmd="$mvprog" chmodcmd="$chmodprog 0755" chowncmd="" chgrpcmd="" stripcmd="" rmcmd="$rmprog -f" mvcmd="$mvprog" src="" dst="" dir_arg="" while [ x"$1" != x ]; do case $1 in -c) instcmd=$cpprog shift continue;; -d) dir_arg=true shift continue;; -m) chmodcmd="$chmodprog $2" shift shift continue;; -o) chowncmd="$chownprog $2" shift shift continue;; -g) chgrpcmd="$chgrpprog $2" shift shift continue;; -s) stripcmd=$stripprog shift continue;; -t=*) transformarg=`echo $1 | sed 's/-t=//'` shift continue;; -b=*) transformbasename=`echo $1 | sed 's/-b=//'` shift continue;; *) if [ x"$src" = x ] then src=$1 else # this colon is to work around a 386BSD /bin/sh bug : dst=$1 fi shift continue;; esac done if [ x"$src" = x ] then echo "$0: no input file specified" >&2 exit 1 else : fi if [ x"$dir_arg" != x ]; then dst=$src src="" if [ -d "$dst" ]; then instcmd=: chmodcmd="" else instcmd=$mkdirprog fi else # Waiting for this to be detected by the "$instcmd $src $dsttmp" command # might cause directories to be created, which would be especially bad # if $src (and thus $dsttmp) contains '*'. if [ -f "$src" ] || [ -d "$src" ] then : else echo "$0: $src does not exist" >&2 exit 1 fi if [ x"$dst" = x ] then echo "$0: no destination specified" >&2 exit 1 else : fi # If destination is a directory, append the input filename; if your system # does not like double slashes in filenames, you may need to add some logic if [ -d "$dst" ] then dst=$dst/`basename "$src"` else : fi fi ## this sed command emulates the dirname command dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` # Make sure that the destination directory exists. # this part is taken from Noah Friedman's mkinstalldirs script # Skip lots of stat calls in the usual case. if [ ! -d "$dstdir" ]; then defaultIFS=' ' IFS="${IFS-$defaultIFS}" oIFS=$IFS # Some sh's can't handle IFS=/ for some reason. IFS='%' set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'` IFS=$oIFS pathcomp='' while [ $# -ne 0 ] ; do pathcomp=$pathcomp$1 shift if [ ! -d "$pathcomp" ] ; then $mkdirprog "$pathcomp" else : fi pathcomp=$pathcomp/ done fi if [ x"$dir_arg" != x ] then $doit $instcmd "$dst" && if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi && if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi && if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi && if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi else # If we're going to rename the final executable, determine the name now. if [ x"$transformarg" = x ] then dstfile=`basename "$dst"` else dstfile=`basename "$dst" $transformbasename | sed $transformarg`$transformbasename fi # don't allow the sed command to completely eliminate the filename if [ x"$dstfile" = x ] then dstfile=`basename "$dst"` else : fi # Make a couple of temp file names in the proper directory. dsttmp=$dstdir/#inst.$$# rmtmp=$dstdir/#rm.$$# # Trap to clean up temp files at exit. trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0 trap '(exit $?); exit' 1 2 13 15 # Move or copy the file name to the temp name $doit $instcmd "$src" "$dsttmp" && # and set any options; do chmod last to preserve setuid bits # If any of these fail, we abort the whole thing. If we want to # ignore errors from any of these, just make sure not to ignore # errors from the above "$doit $instcmd $src $dsttmp" command. if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi && if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi && if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi && if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi && # Now remove or move aside any old file at destination location. We try this # two ways since rm can't unlink itself on some systems and the destination # file might be busy for other reasons. In this case, the final cleanup # might fail but the new file should still install successfully. { if [ -f "$dstdir/$dstfile" ] then $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null || { echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 (exit 1); exit } else : fi } && # Now rename the file to the real destination. $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" fi && # The final little trick to "correctly" pass the exit status to the exit trap. { (exit 0); exit }