X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=build-aux%2Finstall-sh;h=377bb8687ffe16bfc79ea25c8667cabf72aaf2c2;hb=85ab65259ed73d4d6e12f13c3f0882bdbb9d1cd6;hp=3386cf14b257f076689ae1d54bb03b17ef2ee88a;hpb=b566a1cae5310716bad3151cee69f943915b2d31;p=gnulib.git diff --git a/build-aux/install-sh b/build-aux/install-sh index 3386cf14b..377bb8687 100755 --- a/build-aux/install-sh +++ b/build-aux/install-sh @@ -1,7 +1,7 @@ #!/bin/sh # install - install a program, script, or datafile -scriptversion=2006-12-24.16 +scriptversion=2011-11-20.07; # UTC # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the @@ -35,7 +35,7 @@ scriptversion=2006-12-24.16 # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent -# `make' implicit rules from creating a file called install from it +# '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 @@ -61,13 +61,24 @@ fi 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=${STRIPPROG-strip} -posix_glob= +posix_glob='?' +initialize_posix_glob=' + test "$posix_glob" != "?" || { + if (set -f) 2>/dev/null; then + posix_glob= + else + posix_glob=: + fi + } +' + posix_mkdir= # Desired mode of installed file. @@ -85,6 +96,7 @@ dst= dir_arg= dst_arg= +copy_on_change=false no_target_directory= usage="\ @@ -102,6 +114,7 @@ Options: --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. @@ -111,13 +124,16 @@ Options: -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 $1 in -c) ;; + -C) copy_on_change=true;; + -d) dir_arg=true;; -g) chgrpcmd="$chgrpprog $2" @@ -140,6 +156,10 @@ while test $# -ne 0; do -s) stripcmd=$stripprog;; -t) dst_arg=$2 + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac shift;; -T) no_target_directory=true;; @@ -170,6 +190,10 @@ if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then fi shift # arg dst_arg=$arg + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac done fi @@ -178,13 +202,17 @@ if test $# -eq 0; then echo "$0: no input file specified." >&2 exit 1 fi - # It's OK to call `install-sh -d' without argument. + # It's OK to call 'install-sh -d' without argument. # This can happen when creating conditional directories. exit 0 fi if test -z "$dir_arg"; then - trap '(exit $?); exit' 1 2 13 15 + do_exit='(exit $ret); exit $ret' + trap "ret=129; $do_exit" 1 + trap "ret=130; $do_exit" 2 + trap "ret=141; $do_exit" 13 + trap "ret=143; $do_exit" 15 # Set umask so as not to create temps with too-generous modes. # However, 'strip' requires both read and write access to temps. @@ -212,9 +240,9 @@ fi for src do - # Protect names starting with `-'. + # Protect names problematic for 'test' and other utilities. case $src in - -*) src=./$src;; + -* | [=\(\)!]) src=./$src;; esac if test -n "$dir_arg"; then @@ -236,12 +264,7 @@ do echo "$0: no destination specified." >&2 exit 1 fi - dst=$dst_arg - # Protect names starting with `-'. - case $dst in - -*) dst=./$dst;; - esac # If destination is a directory, append the input filename; won't work # if double slashes aren't ignored. @@ -331,7 +354,7 @@ do if test -z "$dir_arg" || { # Check for POSIX incompatibilities with -m. # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or - # other-writeable bit of parent directory when it shouldn't. + # other-writable bit of parent directory when it shouldn't. # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. ls_ld_tmpdir=`ls -ld "$tmpdir"` case $ls_ld_tmpdir in @@ -369,32 +392,25 @@ do case $dstdir in /*) 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= for d do - test -z "$d" && continue + test X"$d" = X && continue prefix=$prefix$d if test -d "$prefix"; then @@ -454,32 +470,49 @@ do { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && - # Now rename the file to the real destination. - { $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || { - # The rename failed, perhaps because mv can't rename something else - # to itself, or perhaps because mv is so ancient that it does not - # support -f. - - # Now remove or move aside any old file at destination location. - # We try this two ways since rm can't unlink itself on some - # systems and the destination file might be busy for other - # reasons. In this case, the final cleanup might fail but the new - # file should still install successfully. - { - test ! -f "$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" - } - } || exit 1 + # 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" "$dst" + } + fi || exit 1 trap '' 0 fi @@ -489,5 +522,6 @@ done # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-end: "$" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" # End: