--- yoda/install-sh 2004/07/06 12:20:23 1.1.1.1 +++ yoda/install-sh 2005/03/04 15:54:11 3.0 @@ -1,8 +1,7 @@ #!/bin/sh +# # install - install a program, script, or datafile - -scriptversion=2004-02-15.20 - +# # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the # following copyright and license. @@ -42,11 +41,13 @@ # 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}" @@ -58,259 +59,236 @@ rmprog="${RMPROG-rm}" mkdirprog="${MKDIRPROG-mkdir}" -transformbasename= -transform_arg= +transformbasename="" +transform_arg="" instcmd="$mvprog" chmodcmd="$chmodprog 0755" -chowncmd= -chgrpcmd= -stripcmd= +chowncmd="" +chgrpcmd="" +stripcmd="" rmcmd="$rmprog -f" mvcmd="$mvprog" -src= -dst= -dir_arg= - -usage="Usage: $0 [OPTION]... SRCFILE DSTFILE - or: $0 [OPTION]... SRCFILES... DIRECTORY - or: $0 -d DIRECTORIES... - -In the first form, install SRCFILE to DSTFILE, removing SRCFILE by default. -In the second, create the directory path DIR. - -Options: --b=TRANSFORMBASENAME --c copy source (using $cpprog) instead of moving (using $mvprog). --d create directories instead of installing files. --g GROUP $chgrp installed files to GROUP. --m MODE $chmod installed files to MODE. --o USER $chown installed files to USER. --s strip installed files (using $stripprog). --t=TRANSFORM ---help display this help and exit. ---version display version info and exit. - -Environment variables override the default commands: - CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG -" - -while test -n "$1"; do - case $1 in - -b=*) transformbasename=`echo $1 | sed 's/-b=//'` - shift - continue;; - - -c) instcmd=$cpprog - shift - continue;; - - -d) dir_arg=true - shift - continue;; - - -g) chgrpcmd="$chgrpprog $2" - shift - shift - continue;; - - --help) echo "$usage"; exit 0;; - - -m) chmodcmd="$chmodprog $2" - shift - shift - continue;; - - -o) chowncmd="$chownprog $2" - shift - shift - continue;; - - -s) stripcmd=$stripprog - shift - continue;; - - -t=*) transformarg=`echo $1 | sed 's/-t=//'` - shift - continue;; - - --version) echo "$0 $scriptversion"; exit 0;; - - *) # When -d is used, all remaining arguments are directories to create. - test -n "$dir_arg" && break - # Otherwise, the last argument is the destination. Remove it from $@. - for arg - do - if test -n "$dstarg"; then - # $@ is not empty: it contains at least $arg. - set fnord "$@" "$dstarg" - shift # fnord - fi - shift # arg - dstarg=$arg - done - break;; - esac +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 test -z "$1"; then - if test -z "$dir_arg"; then - echo "$0: no input file specified." >&2 - exit 1 - fi - # It's OK to call `install-sh -d' without argument. - # This can happen when creating conditional directories. - exit 0 +if [ x"$src" = x ] +then + echo "$0: no input file specified" >&2 + exit 1 +else + : fi -for src -do - # Protect names starting with `-'. - case $src in - -*) src=./$src ;; - esac - - if test -n "$dir_arg"; then - dst=$src - src= - - if test -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 $dsttmp) contains '*'. - if test ! -f "$src" && test ! -d "$src"; then - echo "$0: $src does not exist." >&2 - exit 1 - fi - - if test -z "$dstarg"; then - echo "$0: no destination specified." >&2 - exit 1 - fi - - dst=$dstarg - # Protect names starting with `-'. - case $dst in - -*) dst=./$dst ;; - esac +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 - # If destination is a directory, append the input filename; won't work - # if double slashes aren't ignored. - if test -d "$dst"; then - dst=$dst/`basename "$src"` - fi - fi - - # This sed command emulates the dirname command. - dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` - - # Make sure that the destination directory exists. - - # Skip lots of stat calls in the usual case. - if test ! -d "$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 test $# -ne 0 ; do - pathcomp=$pathcomp$1 - shift - if test ! -d "$pathcomp"; then - $mkdirprog "$pathcomp" || lasterr=$? - # mkdir can fail with a `File exist' error in case several - # install-sh are creating the directory concurrently. This - # is OK. - test ! -d "$pathcomp" && { (exit ${lasterr-1}); exit; } - fi - pathcomp=$pathcomp/ - done - fi - - if test -n "$dir_arg"; then - $doit $instcmd "$dst" \ - && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \ - && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \ - && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \ - && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; } - - else - # If we're going to rename the final executable, determine the name now. - if test -z "$transformarg"; then - dstfile=`basename "$dst"` - else - dstfile=`basename "$dst" $transformbasename \ - | sed $transformarg`$transformbasename - fi - - # don't allow the sed command to completely eliminate the filename. - test -z "$dstfile" && dstfile=`basename "$dst"` - - # Make a couple of temp file names in the proper directory. - dsttmp=$dstdir/_inst.$$_ - rmtmp=$dstdir/_rm.$$_ - - # Trap to clean up those 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 $dsttmp" command. - # - { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \ - && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \ - && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \ - && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } && - - # 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 test -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 || { (exit 1); exit; } +## 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 + (exit 0); exit } - -# Local variables: -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "scriptversion=" -# time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-end: "$" -# End: