X-Git-Url: https://git.hcoop.net/hcoop/debian/courier-authlib.git/blobdiff_plain/432ecdf4a9444ffeee98178829d51fc588911cdd..0fde1ce3109f2259ded7e8bff8d2b1c984252bc0:/libltdl/install-sh diff --git a/libltdl/install-sh b/libltdl/install-sh index 0ae12c0..a5897de 100755 --- a/libltdl/install-sh +++ b/libltdl/install-sh @@ -1,7 +1,7 @@ #!/bin/sh # install - install a program, script, or datafile -scriptversion=2005-11-07.23 +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 @@ -39,52 +39,68 @@ scriptversion=2005-11-07.23 # 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. +# from scratch. + +nl=' +' +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-}" - -# put in absolute paths if you don't have them in your path; or use env. vars. +doit=${DOITPROG-} +if test -z "$doit"; then + doit_exec=exec +else + doit_exec=$doit +fi -mvprog="${MVPROG-mv}" -cpprog="${CPPROG-cp}" -chmodprog="${CHMODPROG-chmod}" -chownprog="${CHOWNPROG-chown}" -chgrpprog="${CHGRPPROG-chgrp}" -stripprog="${STRIPPROG-strip}" -rmprog="${RMPROG-rm}" -mkdirprog="${MKDIRPROG-mkdir}" +# Put in absolute file names if you don't have them in your path; +# or use environment vars. + +chgrpprog=${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 "$posix_glob" != "?" || { + if (set -f) 2>/dev/null; then + posix_glob= + else + posix_glob=: + fi + } +' -posix_glob= posix_mkdir= -# Symbolic mode for testing mkdir with directories. -# It is the same as 755, but also tests that "u+" works. -test_mode=u=rwx,g=rx,o=rx,u+wx - # Desired mode of installed file. mode=0755 -# Desired mode of newly created intermediate directories. -# It is empty if not known yet. -intermediate_mode= - +chgrpcmd= chmodcmd=$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... @@ -94,81 +110,86 @@ 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 -n "$1"; do +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 - continue;; + case $mode in + *' '* | *' '* | *' +'* | *'*'* | *'?'* | *'['*) + echo "$0: invalid mode: $mode" >&2 + exit 1;; + esac + shift;; -o) chowncmd="$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 $?;; - *) # When -d is used, all remaining arguments are directories to create. - # When -t is used, the destination is already specified. - test -n "$dir_arg$dstarg" && 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 + --) shift break;; + + -*) echo "$0: invalid option: $1" >&2 + exit 1;; + + *) break;; esac + shift done -if test -z "$1"; 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 $@. + for arg + do + if test -n "$dst_arg"; then + # $@ is not empty: it contains at least $arg. + set fnord "$@" "$dst_arg" + shift # fnord + fi + shift # arg + dst_arg=$arg + done +fi + +if test $# -eq 0; then if test -z "$dir_arg"; then echo "$0: no input file specified." >&2 exit 1 @@ -178,13 +199,38 @@ if test -z "$1"; then exit 0 fi -test -n "$dir_arg" || trap '(exit $?); exit' 1 2 13 15 +if test -z "$dir_arg"; then + trap '(exit $?); exit' 1 2 13 15 + + # Set umask so as not to create temps with too-generous modes. + # However, 'strip' requires both read and write access to temps. + case $mode in + # Optimize common cases. + *644) cp_umask=133;; + *755) cp_umask=22;; + + *[0-7]) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw='% 200' + fi + cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; + *) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw=,u+rw + fi + cp_umask=$mode$u_plus_rw;; + esac +fi for src do # Protect names starting with `-'. case $src in - -*) src=./$src ;; + -*) src=./$src;; esac if test -n "$dir_arg"; then @@ -202,22 +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 @@ -230,14 +276,25 @@ do expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ X"$dst" : 'X\(//\)[^/]' \| \ X"$dst" : 'X\(//\)$' \| \ - X"$dst" : 'X\(/\)' \| \ - . : '\(.\)' 2>/dev/null || + X"$dst" : 'X\(/\)' \| . 2>/dev/null || echo X"$dst" | - sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } - /^X\(\/\/\)[^/].*/{ s//\1/; q; } - /^X\(\/\/\)$/{ s//\1/; q; } - /^X\(\/\).*/{ s//\1/; q; } - s/.*/./; q' + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q' ` test -d "$dstdir" @@ -250,83 +307,131 @@ do if test $dstdir_status != 0; then case $posix_mkdir in '') - posix_mkdir=false - if $mkdirprog -m $test_mode -p -- / >/dev/null 2>&1; then - posix_mkdir=true - else - # Remove any dirs left behind by ancient mkdir implementations. - rmdir ./-m "$test_mode" ./-p ./-- 2>/dev/null - fi ;; - esac - - if - $posix_mkdir && { + # Create intermediate dirs using mode 755 as modified by the umask. + # This is like FreeBSD 'install' as of 1997-10-28. + umask=`umask` + case $stripcmd.$umask in + # Optimize common cases. + *[2367][2367]) mkdir_umask=$umask;; + .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; + + *[0-7]) + mkdir_umask=`expr $umask + 22 \ + - $umask % 100 % 40 + $umask % 20 \ + - $umask % 10 % 4 + $umask % 2 + `;; + *) mkdir_umask=$umask,go-w;; + esac # With -d, create the new directory with the user-specified mode. - # Otherwise, create it using the same intermediate mode that - # mkdir -p would use when creating intermediate directories. - # POSIX says that this mode is "$(umask -S),u+wx", so use that - # if umask -S works. - + # Otherwise, rely on $mkdir_umask. if test -n "$dir_arg"; then - mkdir_mode=$mode + mkdir_mode=-m$mode else - case $intermediate_mode in - '') - if umask_S=`(umask -S) 2>/dev/null`; then - intermediate_mode=$umask_S,u+wx - else - intermediate_mode=$test_mode - fi ;; - esac - mkdir_mode=$intermediate_mode + mkdir_mode= fi - $mkdirprog -m "$mkdir_mode" -p -- "$dstdir" - } + posix_mkdir=false + case $umask in + *[123567][0-7][0-7]) + # POSIX mkdir -p sets u+wx bits regardless of umask, which + # is incompatible with FreeBSD 'install' when (umask & 300) != 0. + ;; + *) + tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ + trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0 + + if (umask $mkdir_umask && + exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1 + then + if test -z "$dir_arg" || { + # Check for POSIX incompatibilities with -m. + # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or + # other-writeable bit of parent directory when it shouldn't. + # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. + ls_ld_tmpdir=`ls -ld "$tmpdir"` + case $ls_ld_tmpdir in + d????-?r-*) different_mode=700;; + d????-?--*) different_mode=755;; + *) false;; + esac && + $mkdirprog -m$different_mode -p -- "$tmpdir" && { + ls_ld_tmpdir_1=`ls -ld "$tmpdir"` + test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" + } + } + then posix_mkdir=: + fi + rmdir "$tmpdir/d" "$tmpdir" + else + # Remove any dirs left behind by ancient mkdir implementations. + rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null + fi + trap '' 0;; + esac;; + esac + + if + $posix_mkdir && ( + umask $mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" + ) then : else - # mkdir does not conform to POSIX, or it failed possibly due to - # a race condition. Create the directory the slow way, step by - # step, checking for races as we go. + # The umask is ridiculous, or mkdir does not conform to POSIX, + # or it failed possibly due to a race condition. Create the + # directory the slow way, step by step, checking for races as we go. case $dstdir in - /*) pathcomp=/ ;; - -*) pathcomp=./ ;; - *) pathcomp= ;; + /*) 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= + for d do - test "x$d" = x && continue + test -z "$d" && continue - pathcomp=$pathcomp$d - if test ! -d "$pathcomp"; then - $mkdirprog "$pathcomp" - # Don't fail if two instances are running concurrently. - test -d "$pathcomp" || exit 1 + prefix=$prefix$d + if test -d "$prefix"; then + prefixes= + else + if $posix_mkdir; then + (umask=$mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break + # Don't fail if two instances are running concurrently. + test -d "$prefix" || exit 1 + else + case $prefix in + *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; + *) qprefix=$prefix;; + esac + prefixes="$prefixes '$qprefix'" + fi fi - pathcomp=$pathcomp/ + prefix=$prefix/ done - obsolete_mkdir_used=true + + if test -n "$prefixes"; then + # Don't fail if two instances are running concurrently. + (umask $mkdir_umask && + eval "\$doit_exec \$mkdirprog $prefixes") || + test -d "$dstdir" || exit 1 + obsolete_mkdir_used=true + fi fi fi @@ -334,7 +439,7 @@ do { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || - test -z "$chmodcmd" || $doit $chmodcmd "$mode" "$dst"; } || exit 1 + test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 else # Make a couple of temp file names in the proper directory. @@ -345,7 +450,7 @@ do trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 # Copy the file name to the temp name. - $doit $cpprog "$src" "$dsttmp" && + (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && # and set any options; do chmod last to preserve setuid bits. # @@ -353,41 +458,54 @@ do # ignore errors from any of these, just make sure not to ignore # errors from the above "$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