diff options
Diffstat (limited to 'install-sh')
| -rw-r--r-- | install-sh | 228 |
1 files changed, 120 insertions, 108 deletions
diff --git a/install-sh b/install-sh index 4fbbae7b7f..a5897de6ea 100644 --- a/install-sh +++ b/install-sh @@ -1,7 +1,7 @@ #!/bin/sh # install - install a program, script, or datafile -scriptversion=2006-10-14.15 +scriptversion=2006-12-25.00 # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the @@ -48,7 +48,7 @@ IFS=" "" $nl" # set DOITPROG to echo to test this script # Don't use :- since 4.3BSD and earlier shells don't like it. -doit="${DOITPROG-}" +doit=${DOITPROG-} if test -z "$doit"; then doit_exec=exec else @@ -58,34 +58,49 @@ fi # Put in absolute file names if you don't have them in your path; # or use environment 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}" +chgrpprog=${CHGRPPROG-chgrp} +chmodprog=${CHMODPROG-chmod} +chownprog=${CHOWNPROG-chown} +cmpprog=${CMPPROG-cmp} +cpprog=${CPPROG-cp} +mkdirprog=${MKDIRPROG-mkdir} +mvprog=${MVPROG-mv} +rmprog=${RMPROG-rm} +stripprog=${STRIPPROG-strip} + +posix_glob='?' +initialize_posix_glob=' + test "$posix_glob" != "?" || { + if (set -f) 2>/dev/null; then + posix_glob= + else + posix_glob=: + fi + } +' -posix_glob= posix_mkdir= # Desired mode of installed file. mode=0755 +chgrpcmd= chmodcmd=$chmodprog chowncmd= -chgrpcmd= -stripcmd= +mvcmd=$mvprog rmcmd="$rmprog -f" -mvcmd="$mvprog" +stripcmd= + src= dst= dir_arg= -dstarg= +dst_arg= + +copy_on_change=false no_target_directory= -usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE +usage="\ +Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE or: $0 [OPTION]... SRCFILES... DIRECTORY or: $0 [OPTION]... -t DIRECTORY SRCFILES... or: $0 [OPTION]... -d DIRECTORIES... @@ -95,65 +110,55 @@ In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. In the 4th, create DIRECTORIES. Options: --c (ignored) --d create directories instead of installing files. --g GROUP $chgrpprog installed files to GROUP. --m MODE $chmodprog installed files to MODE. --o USER $chownprog installed files to USER. --s $stripprog installed files. --t DIRECTORY install into DIRECTORY. --T report an error if DSTFILE is a directory. ---help display this help and exit. ---version display version info and exit. + --help display this help and exit. + --version display version info and exit. + + -c (ignored) + -C install only if different (preserve the last data modification time) + -d create directories instead of installing files. + -g GROUP $chgrpprog installed files to GROUP. + -m MODE $chmodprog installed files to MODE. + -o USER $chownprog installed files to USER. + -s $stripprog installed files. + -t DIRECTORY install into DIRECTORY. + -T report an error if DSTFILE is a directory. Environment variables override the default commands: - CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG + CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG + RMPROG STRIPPROG " while test $# -ne 0; do case $1 in - -c) shift - continue;; + -c) ;; + + -C) copy_on_change=true;; - -d) dir_arg=true - shift - continue;; + -d) dir_arg=true;; -g) chgrpcmd="$chgrpprog $2" - shift - shift - continue;; + shift;; --help) echo "$usage"; exit $?;; -m) mode=$2 - shift - shift case $mode in *' '* | *' '* | *' '* | *'*'* | *'?'* | *'['*) echo "$0: invalid mode: $mode" >&2 exit 1;; esac - continue;; + shift;; -o) chowncmd="$chownprog $2" - shift - shift - continue;; + shift;; - -s) stripcmd=$stripprog - shift - continue;; + -s) stripcmd=$stripprog;; - -t) dstarg=$2 - shift - shift - continue;; + -t) dst_arg=$2 + shift;; - -T) no_target_directory=true - shift - continue;; + -T) no_target_directory=true;; --version) echo "$0 $scriptversion"; exit $?;; @@ -165,21 +170,22 @@ while test $# -ne 0; do *) break;; esac + shift done -if test $# -ne 0 && test -z "$dir_arg$dstarg"; then +if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then # When -d is used, all remaining arguments are directories to create. # When -t is used, the destination is already specified. # Otherwise, the last argument is the destination. Remove it from $@. for arg do - if test -n "$dstarg"; then + if test -n "$dst_arg"; then # $@ is not empty: it contains at least $arg. - set fnord "$@" "$dstarg" + set fnord "$@" "$dst_arg" shift # fnord fi shift # arg - dstarg=$arg + dst_arg=$arg done fi @@ -224,7 +230,7 @@ for src do # Protect names starting with `-'. case $src in - -*) src=./$src ;; + -*) src=./$src;; esac if test -n "$dir_arg"; then @@ -242,22 +248,22 @@ do exit 1 fi - if test -z "$dstarg"; then + if test -z "$dst_arg"; then echo "$0: no destination specified." >&2 exit 1 fi - dst=$dstarg + dst=$dst_arg # Protect names starting with `-'. case $dst in - -*) dst=./$dst ;; + -*) dst=./$dst;; esac # If destination is a directory, append the input filename; won't work # if double slashes aren't ignored. if test -d "$dst"; then if test -n "$no_target_directory"; then - echo "$0: $dstarg: Is a directory" >&2 + echo "$0: $dst_arg: Is a directory" >&2 exit 1 fi dstdir=$dst @@ -378,26 +384,19 @@ do # directory the slow way, step by step, checking for races as we go. case $dstdir in - /*) prefix=/ ;; - -*) prefix=./ ;; - *) prefix= ;; + /*) prefix='/';; + -*) prefix='./';; + *) prefix='';; esac - case $posix_glob in - '') - if (set -f) 2>/dev/null; then - posix_glob=true - else - posix_glob=false - fi ;; - esac + eval "$initialize_posix_glob" oIFS=$IFS IFS=/ - $posix_glob && set -f + $posix_glob set -f set fnord $dstdir shift - $posix_glob && set +f + $posix_glob set +f IFS=$oIFS prefixes= @@ -459,41 +458,54 @@ do # ignore errors from any of these, just make sure not to ignore # errors from the above "$doit $cpprog $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 $mode "$dsttmp"; } && - - # Now rename the file to the real destination. - { $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null \ - || { - # The rename failed, perhaps because mv can't rename something else - # to itself, or perhaps because mv is so ancient that it does not - # support -f. - - # Now remove or move aside any old file at destination location. - # We try this two ways since rm can't unlink itself on some - # systems and the destination file might be busy for other - # reasons. In this case, the final cleanup might fail but the new - # file should still install successfully. - { - if test -f "$dst"; then - $doit $rmcmd -f "$dst" 2>/dev/null \ - || { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null \ - && { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }; }\ - || { - echo "$0: cannot unlink or rename $dst" >&2 - (exit 1); exit 1 - } - else - : - fi - } && - - # Now rename the file to the real destination. - $doit $mvcmd "$dsttmp" "$dst" - } - } || exit 1 + { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && + { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && + { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && + + # If -C, don't bother to copy if it wouldn't change the file. + if $copy_on_change && + old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && + new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && + + eval "$initialize_posix_glob" && + $posix_glob set -f && + set X $old && old=:$2:$4:$5:$6 && + set X $new && new=:$2:$4:$5:$6 && + $posix_glob set +f && + + test "$old" = "$new" && + $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 + then + rm -f "$dsttmp" + else + # Rename the file to the real destination. + $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || + + # The rename failed, perhaps because mv can't rename something else + # to itself, or perhaps because mv is so ancient that it does not + # support -f. + { + # Now remove or move aside any old file at destination location. + # We try this two ways since rm can't unlink itself on some + # systems and the destination file might be busy for other + # reasons. In this case, the final cleanup might fail but the new + # file should still install successfully. + { + test ! -f "$dst" || + $doit $rmcmd -f "$dst" 2>/dev/null || + { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && + { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } + } || + { echo "$0: cannot unlink or rename $dst" >&2 + (exit 1); exit 1 + } + } && + + # Now rename the file to the real destination. + $doit $mvcmd "$dsttmp" "$dst" + } + fi || exit 1 trap '' 0 fi |