X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=install-sh;h=4d4a9519eaf88b18fb157dfe5fae59c1c5d005c7;hp=4fbbae7b7ff932e5af542dbe9612f193a68ed4d1;hb=55d68ec9d81637f142db3320937f8a2a83716044;hpb=8dcd89037f3249216b3fa4faadef927374713c38 diff --git a/install-sh b/install-sh index 4fbbae7..4d4a951 100755 --- 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=2005-05-14.22 # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the @@ -39,24 +39,15 @@ scriptversion=2006-10-14.15 # when there is no Makefile. # # This script is compatible with the BSD install script, but was written -# from scratch. - -nl=' -' -IFS=" "" $nl" +# from scratch. It can only install one file at a time, a restriction +# shared with many OS's install programs. # set DOITPROG to echo to test this script # Don't use :- since 4.3BSD and earlier shells don't like it. doit="${DOITPROG-}" -if test -z "$doit"; then - doit_exec=exec -else - doit_exec=$doit -fi -# Put in absolute file names if you don't have them in your path; -# or use environment vars. +# put in absolute paths if you don't have them in your path; or use env. vars. mvprog="${MVPROG-mv}" cpprog="${CPPROG-cp}" @@ -67,13 +58,7 @@ stripprog="${STRIPPROG-strip}" rmprog="${RMPROG-rm}" mkdirprog="${MKDIRPROG-mkdir}" -posix_glob= -posix_mkdir= - -# Desired mode of installed file. -mode=0755 - -chmodcmd=$chmodprog +chmodcmd="$chmodprog 0755" chowncmd= chgrpcmd= stripcmd= @@ -110,7 +95,7 @@ Environment variables override the default commands: CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG " -while test $# -ne 0; do +while test -n "$1"; do case $1 in -c) shift continue;; @@ -126,15 +111,9 @@ while test $# -ne 0; do --help) echo "$usage"; exit $?;; - -m) mode=$2 + -m) chmodcmd="$chmodprog $2" shift shift - case $mode in - *' '* | *' '* | *' -'* | *'*'* | *'?'* | *'['*) - echo "$0: invalid mode: $mode" >&2 - exit 1;; - esac continue;; -o) chowncmd="$chownprog $2" @@ -157,33 +136,25 @@ while test $# -ne 0; do --version) echo "$0 $scriptversion"; exit $?;; - --) shift + *) # When -d is used, all remaining arguments are directories to create. + # When -t is used, the destination is already specified. + test -n "$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 break;; - - -*) echo "$0: invalid option: $1" >&2 - exit 1;; - - *) break;; esac done -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 "$1"; then if test -z "$dir_arg"; then echo "$0: no input file specified." >&2 exit 1 @@ -193,33 +164,6 @@ if test $# -eq 0; then exit 0 fi -if test -z "$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 `-'. @@ -229,11 +173,15 @@ do if test -n "$dir_arg"; then dst=$src - dstdir=$dst - test -d "$dstdir" - dstdir_status=$? - else + src= + if test -d "$dst"; then + mkdircmd=: + chmodcmd= + else + mkdircmd=$mkdirprog + fi + else # Waiting for this to be detected by the "$cpprog $src $dsttmp" command # might cause directories to be created, which would be especially bad # if $src (and thus $dsttmp) contains '*'. @@ -260,188 +208,53 @@ do echo "$0: $dstarg: Is a directory" >&2 exit 1 fi - dstdir=$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 "$dstdir" - dstdir_status=$? + dst=$dst/`basename "$src"` fi fi - 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 + # This sed command emulates the dirname command. + dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'` - if - $posix_mkdir && ( - umask $mkdir_umask && - $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" - ) - then : - else + # 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}" - # 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 + 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 + + pathcomp= + + while test $# -ne 0 ; do + pathcomp=$pathcomp$1 shift - $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 + 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 fi - fi + pathcomp=$pathcomp/ + done fi if test -n "$dir_arg"; then - { 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 + $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"; } + else + dstfile=`basename "$dst"` # Make a couple of temp file names in the proper directory. dsttmp=$dstdir/_inst.$$_ @@ -449,9 +262,10 @@ 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. - (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && + $doit $cpprog "$src" "$dsttmp" && # and set any options; do chmod last to preserve setuid bits. # @@ -462,10 +276,10 @@ do { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \ && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \ && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \ - && { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && + && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } && # Now rename the file to the real destination. - { $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null \ + { $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 @@ -477,12 +291,11 @@ do # 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; :; }; }\ + 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 $dst" >&2 + echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 (exit 1); exit 1 } else @@ -491,14 +304,17 @@ do } && # Now rename the file to the real destination. - $doit $mvcmd "$dsttmp" "$dst" + $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" } - } || exit 1 - - trap '' 0 - fi + } + fi || { (exit 1); exit 1; } 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="