diff options
Diffstat (limited to 'install-sh')
| -rwxr-xr-x | install-sh | 348 |
1 files changed, 266 insertions, 82 deletions
@@ -1,7 +1,7 @@ #!/bin/sh # install - install a program, script, or datafile -scriptversion=2005-05-14.22 +scriptversion=2006-10-14.15 # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the @@ -39,15 +39,24 @@ 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-}" +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. mvprog="${MVPROG-mv}" cpprog="${CPPROG-cp}" @@ -58,7 +67,13 @@ stripprog="${STRIPPROG-strip}" rmprog="${RMPROG-rm}" mkdirprog="${MKDIRPROG-mkdir}" -chmodcmd="$chmodprog 0755" +posix_glob= +posix_mkdir= + +# Desired mode of installed file. +mode=0755 + +chmodcmd=$chmodprog chowncmd= chgrpcmd= stripcmd= @@ -95,7 +110,7 @@ Environment variables override the default commands: CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG " -while test -n "$1"; do +while test $# -ne 0; do case $1 in -c) shift continue;; @@ -111,9 +126,15 @@ while test -n "$1"; do --help) echo "$usage"; exit $?;; - -m) chmodcmd="$chmodprog $2" + -m) mode=$2 shift shift + case $mode in + *' '* | *' '* | *' +'* | *'*'* | *'?'* | *'['*) + echo "$0: invalid mode: $mode" >&2 + exit 1;; + esac continue;; -o) chowncmd="$chownprog $2" @@ -136,25 +157,33 @@ while test -n "$1"; do --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 done -if test -z "$1"; then +if test $# -ne 0 && test -z "$dir_arg$dstarg"; 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 + # $@ is not empty: it contains at least $arg. + set fnord "$@" "$dstarg" + shift # fnord + fi + shift # arg + dstarg=$arg + done +fi + +if test $# -eq 0; then if test -z "$dir_arg"; then echo "$0: no input file specified." >&2 exit 1 @@ -164,6 +193,33 @@ 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 `-'. @@ -173,15 +229,11 @@ do 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 '*'. @@ -208,53 +260,188 @@ do echo "$0: $dstarg: Is a directory" >&2 exit 1 fi - dst=$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,^$,.,'` - - # Make sure that the destination directory exists. - - # Skip lots of stat calls in the usual case. - if test ! -d "$dstdir"; then - defaultIFS=' - ' - IFS="${IFS-$defaultIFS}" - - oIFS=$IFS - # Some sh's can't handle IFS=/ for some reason. - IFS='%' - set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'` - shift - IFS=$oIFS + 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 - pathcomp= + if + $posix_mkdir && ( + umask $mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" + ) + then : + else - while test $# -ne 0 ; do - pathcomp=$pathcomp$1 + # 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 + /*) prefix=/ ;; + -*) prefix=./ ;; + *) prefix= ;; + esac + + case $posix_glob in + '') + if (set -f) 2>/dev/null; then + posix_glob=true + else + posix_glob=false + fi ;; + esac + + 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 +449,9 @@ 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" "$dsttmp") && # and set any options; do chmod last to preserve setuid bits. # @@ -276,10 +462,10 @@ do { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \ && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \ && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \ - && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } && + && { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && # Now rename the file to the real destination. - { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \ + { $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null \ || { # The rename failed, perhaps because mv can't rename something else # to itself, or perhaps because mv is so ancient that it does not @@ -291,11 +477,12 @@ do # reasons. In this case, the final cleanup might fail but the new # file should still install successfully. { - if test -f "$dstdir/$dstfile"; then - $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \ - || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \ + 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 $dstdir/$dstfile" >&2 + echo "$0: cannot unlink or rename $dst" >&2 (exit 1); exit 1 } else @@ -304,16 +491,13 @@ do } && # Now rename the file to the real destination. - $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" + $doit $mvcmd "$dsttmp" "$dst" } - } - fi || { (exit 1); exit 1; } -done + } || exit 1 -# The final little trick to "correctly" pass the exit status to the exit trap. -{ - (exit 0); exit 0 -} + trap '' 0 + fi +done # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) |