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-rwxr-xr-xinstall-sh45
1 files changed, 31 insertions, 14 deletions
diff --git a/install-sh b/install-sh
index 0360b79..8175c64 100755
--- a/install-sh
+++ b/install-sh
@@ -1,7 +1,7 @@
#!/bin/sh
# install - install a program, script, or datafile
-scriptversion=2016-01-11.22; # UTC
+scriptversion=2018-03-11.20; # UTC
# This originates from X11R5 (mit/util/scripts/install.sh), which was
# later released in X11R6 (xc/config/util/install.sh) with the
@@ -271,15 +271,18 @@ do
fi
dst=$dst_arg
- # If destination is a directory, append the input filename; won't work
- # if double slashes aren't ignored.
+ # If destination is a directory, append the input filename.
if test -d "$dst"; then
if test "$is_target_a_directory" = never; then
echo "$0: $dst_arg: Is a directory" >&2
exit 1
fi
dstdir=$dst
- dst=$dstdir/`basename "$src"`
+ dstbase=`basename "$src"`
+ case $dst in
+ */) dst=$dst$dstbase;;
+ *) dst=$dst/$dstbase;;
+ esac
dstdir_status=0
else
dstdir=`dirname "$dst"`
@@ -288,6 +291,11 @@ do
fi
fi
+ case $dstdir in
+ */) dstdirslash=$dstdir;;
+ *) dstdirslash=$dstdir/;;
+ esac
+
obsolete_mkdir_used=false
if test $dstdir_status != 0; then
@@ -324,34 +332,43 @@ do
# is incompatible with FreeBSD 'install' when (umask & 300) != 0.
;;
*)
+ # Note that $RANDOM variable is not portable (e.g. dash); Use it
+ # here however when possible just to lower collision chance.
tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
- trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
+ trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0
+
+ # Because "mkdir -p" follows existing symlinks and we likely work
+ # directly in world-writeable /tmp, make sure that the '$tmpdir'
+ # directory is successfully created first before we actually test
+ # 'mkdir -p' feature.
if (umask $mkdir_umask &&
- exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
+ $mkdirprog $mkdir_mode "$tmpdir" &&
+ exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
then
if test -z "$dir_arg" || {
# Check for POSIX incompatibilities with -m.
# HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
# other-writable bit of parent directory when it shouldn't.
# FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
- ls_ld_tmpdir=`ls -ld "$tmpdir"`
+ test_tmpdir="$tmpdir/a"
+ ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
case $ls_ld_tmpdir in
d????-?r-*) different_mode=700;;
d????-?--*) different_mode=755;;
*) false;;
esac &&
- $mkdirprog -m$different_mode -p -- "$tmpdir" && {
- ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
+ $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
+ ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
}
}
then posix_mkdir=:
fi
- rmdir "$tmpdir/d" "$tmpdir"
+ rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
else
# Remove any dirs left behind by ancient mkdir implementations.
- rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
+ rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
fi
trap '' 0;;
esac;;
@@ -427,8 +444,8 @@ do
else
# Make a couple of temp file names in the proper directory.
- dsttmp=$dstdir/_inst.$$_
- rmtmp=$dstdir/_rm.$$_
+ dsttmp=${dstdirslash}_inst.$$_
+ rmtmp=${dstdirslash}_rm.$$_
# Trap to clean up those temp files at exit.
trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
@@ -493,7 +510,7 @@ do
done
# Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC0"

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