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-rwxr-xr-xinstall-sh517
1 files changed, 357 insertions, 160 deletions
diff --git a/install-sh b/install-sh
index 4d4a951..6781b98 100755
--- a/install-sh
+++ b/install-sh
@@ -1,7 +1,7 @@
#!/bin/sh
# install - install a program, script, or datafile
-scriptversion=2005-05-14.22
+scriptversion=2009-04-28.21; # UTC
# This originates from X11R5 (mit/util/scripts/install.sh), which was
# later released in X11R6 (xc/config/util/install.sh) with the
@@ -39,38 +39,68 @@ scriptversion=2005-05-14.22
# 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-}"
+doit=${DOITPROG-}
+if test -z "$doit"; then
+ doit_exec=exec
+else
+ doit_exec=$doit
+fi
-# put in absolute paths if you don't have them in your path; or use env. vars.
+# Put in absolute file names if you don't have them in your path;
+# or use environment vars.
+
+chgrpprog=${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 "$posix_glob" != "?" || {
+ if (set -f) 2>/dev/null; then
+ posix_glob=
+ else
+ posix_glob=:
+ fi
+ }
+'
-mvprog="${MVPROG-mv}"
-cpprog="${CPPROG-cp}"
-chmodprog="${CHMODPROG-chmod}"
-chownprog="${CHOWNPROG-chown}"
-chgrpprog="${CHGRPPROG-chgrp}"
-stripprog="${STRIPPROG-strip}"
-rmprog="${RMPROG-rm}"
-mkdirprog="${MKDIRPROG-mkdir}"
+posix_mkdir=
+
+# Desired mode of installed file.
+mode=0755
-chmodcmd="$chmodprog 0755"
-chowncmd=
chgrpcmd=
-stripcmd=
+chmodcmd=$chmodprog
+chowncmd=
+mvcmd=$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...
@@ -80,81 +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 $?;;
- -m) chmodcmd="$chmodprog $2"
- shift
- shift
- continue;;
+ -m) mode=$2
+ 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
@@ -164,24 +199,47 @@ if test -z "$1"; then
exit 0
fi
+if test -z "$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
dst=$src
- src=
-
- if test -d "$dst"; then
- mkdircmd=:
- chmodcmd=
- else
- mkdircmd=$mkdirprog
- fi
+ dstdir=$dst
+ test -d "$dstdir"
+ dstdir_status=$?
else
+
# Waiting for this to be detected by the "$cpprog $src $dsttmp" command
# might cause directories to be created, which would be especially bad
# if $src (and thus $dsttmp) contains '*'.
@@ -190,71 +248,199 @@ do
exit 1
fi
- if test -z "$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: $dst_arg: Is a directory" >&2
exit 1
fi
- dst=$dst/`basename "$src"`
+ dstdir=$dst
+ dst=$dstdir/`basename "$src"`
+ dstdir_status=0
+ else
+ # Prefer dirname, but fall back on a substitute if dirname fails.
+ dstdir=`
+ (dirname "$dst") 2>/dev/null ||
+ expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$dst" : 'X\(//\)[^/]' \| \
+ X"$dst" : 'X\(//\)$' \| \
+ X"$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'
+ `
+
+ test -d "$dstdir"
+ dstdir_status=$?
fi
fi
- # This sed command emulates the dirname command.
- dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'`
+ obsolete_mkdir_used=false
+
+ if test $dstdir_status != 0; then
+ case $posix_mkdir in
+ '')
+ # 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, rely on $mkdir_umask.
+ if test -n "$dir_arg"; then
+ mkdir_mode=-m$mode
+ else
+ mkdir_mode=
+ fi
+
+ 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
- # Make sure that the destination directory exists.
+ if
+ $posix_mkdir && (
+ umask $mkdir_umask &&
+ $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
+ )
+ then :
+ else
- # Skip lots of stat calls in the usual case.
- if test ! -d "$dstdir"; then
- defaultIFS='
- '
- IFS="${IFS-$defaultIFS}"
+ # 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.
- oIFS=$IFS
- # Some sh's can't handle IFS=/ for some reason.
- IFS='%'
- set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
- shift
- IFS=$oIFS
+ case $dstdir in
+ /*) prefix='/';;
+ -*) prefix='./';;
+ *) prefix='';;
+ esac
- pathcomp=
+ eval "$initialize_posix_glob"
- while test $# -ne 0 ; do
- pathcomp=$pathcomp$1
+ oIFS=$IFS
+ IFS=/
+ $posix_glob set -f
+ set fnord $dstdir
shift
- if test ! -d "$pathcomp"; then
- $mkdirprog "$pathcomp"
- # 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
+ $posix_glob set +f
+ IFS=$oIFS
+
+ prefixes=
+
+ for d
+ do
+ test -z "$d" && continue
+
+ 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
+ prefix=$prefix/
+ done
+
+ 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
- pathcomp=$pathcomp/
- done
+ fi
fi
if test -n "$dir_arg"; then
- $doit $mkdircmd "$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"; }
-
+ { 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
else
- dstfile=`basename "$dst"`
# Make a couple of temp file names in the proper directory.
dsttmp=$dstdir/_inst.$$_
@@ -262,10 +448,9 @@ do
# Trap to clean up those temp files at exit.
trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
- trap '(exit $?); exit' 1 2 13 15
# Copy the file name to the temp name.
- $doit $cpprog "$src" "$dsttmp" &&
+ (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
# and set any options; do chmod last to preserve setuid bits.
#
@@ -273,51 +458,63 @@ do
# ignore errors from any of these, just make sure not to ignore
# errors from the above "$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 $chmodcmd "$dsttmp"; } &&
-
- # Now rename the file to the real destination.
- { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 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 "$dstdir/$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 1
- }
- else
- :
- fi
- } &&
-
- # Now rename the file to the real destination.
- $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
- }
- }
- fi || { (exit 1); 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" "$dst"
+ }
+ fi || exit 1
+
+ trap '' 0
+ fi
done
-# The final little trick to "correctly" pass the exit status to the exit trap.
-{
- (exit 0); exit 0
-}
-
# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-end: "$"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
# End: