diff options
Diffstat (limited to 'config/install-sh')
| -rwxr-xr-x | config/install-sh | 204 |
1 files changed, 63 insertions, 141 deletions
diff --git a/config/install-sh b/config/install-sh index 0ae12c0..4d4a951 100755 --- a/config/install-sh +++ b/config/install-sh @@ -1,7 +1,7 @@ #!/bin/sh # install - install a program, script, or datafile -scriptversion=2005-11-07.23 +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 @@ -58,21 +58,7 @@ stripprog="${STRIPPROG-strip}" rmprog="${RMPROG-rm}" mkdirprog="${MKDIRPROG-mkdir}" -posix_glob= -posix_mkdir= - -# Symbolic mode for testing mkdir with directories. -# It is the same as 755, but also tests that "u+" works. -test_mode=u=rwx,g=rx,o=rx,u+wx - -# Desired mode of installed file. -mode=0755 - -# Desired mode of newly created intermediate directories. -# It is empty if not known yet. -intermediate_mode= - -chmodcmd=$chmodprog +chmodcmd="$chmodprog 0755" chowncmd= chgrpcmd= stripcmd= @@ -125,7 +111,7 @@ while test -n "$1"; do --help) echo "$usage"; exit $?;; - -m) mode=$2 + -m) chmodcmd="$chmodprog $2" shift shift continue;; @@ -178,8 +164,6 @@ if test -z "$1"; then exit 0 fi -test -n "$dir_arg" || trap '(exit $?); exit' 1 2 13 15 - for src do # Protect names starting with `-'. @@ -189,11 +173,15 @@ do if test -n "$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 '*'. @@ -220,122 +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 - '') - 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 + # This sed command emulates the dirname command. + dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'` - if - $posix_mkdir && { - - # With -d, create the new directory with the user-specified mode. - # Otherwise, create it using the same intermediate mode that - # mkdir -p would use when creating intermediate directories. - # POSIX says that this mode is "$(umask -S),u+wx", so use that - # if umask -S works. - - if test -n "$dir_arg"; then - mkdir_mode=$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 - fi - - $mkdirprog -m "$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}" - # 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= ;; - 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 - - for d - do - test "x$d" = x && continue - - pathcomp=$pathcomp$d - if test ! -d "$pathcomp"; then - $mkdirprog "$pathcomp" - # Don't fail if two instances are running concurrently. - test -d "$pathcomp" || exit 1 - fi - pathcomp=$pathcomp/ - done - obsolete_mkdir_used=true - fi + 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 "$pathcomp" || exit + fi + pathcomp=$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.$$_ @@ -343,6 +262,7 @@ 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" "$dsttmp" && @@ -356,10 +276,10 @@ do { test -z "$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 @@ -371,12 +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 @@ -385,14 +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=" |