while [ x"$1" != x ]; do
case $1 in
- -c) instcmd="$cpprog"
+ -c) instcmd=$cpprog
shift
continue;;
shift
continue;;
- -s) stripcmd="$stripprog"
+ -s) stripcmd=$stripprog
shift
continue;;
if [ x"$src" = x ]
then
- echo "install: no input file specified"
+ echo "$0: no input file specified" >&2
exit 1
else
- true
+ :
fi
if [ x"$dir_arg" != x ]; then
dst=$src
src=""
-
- if [ -d $dst ]; then
+
+ if [ -d "$dst" ]; then
instcmd=:
+ chmodcmd=""
else
- instcmd=mkdir
+ instcmd=$mkdirprog
fi
else
# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
-# might cause directories to be created, which would be especially bad
+# might cause directories to be created, which would be especially bad
# if $src (and thus $dsttmp) contains '*'.
- if [ -f $src -o -d $src ]
+ if [ -f "$src" ] || [ -d "$src" ]
then
- true
+ :
else
- echo "install: $src does not exist"
+ echo "$0: $src does not exist" >&2
exit 1
fi
-
+
if [ x"$dst" = x ]
then
- echo "install: no destination specified"
+ echo "$0: no destination specified" >&2
exit 1
else
- true
+ :
fi
# If destination is a directory, append the input filename; if your system
# does not like double slashes in filenames, you may need to add some logic
- if [ -d $dst ]
+ if [ -d "$dst" ]
then
- dst="$dst"/`basename $src`
+ dst=$dst/`basename "$src"`
else
- true
+ :
fi
fi
## this sed command emulates the dirname command
-dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
+dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
# Make sure that the destination directory exists.
# this part is taken from Noah Friedman's mkinstalldirs script
# Skip lots of stat calls in the usual case.
if [ ! -d "$dstdir" ]; then
-defaultIFS='
-'
-IFS="${IFS-${defaultIFS}}"
+defaultIFS='
+ '
+IFS="${IFS-$defaultIFS}"
-oIFS="${IFS}"
+oIFS=$IFS
# Some sh's can't handle IFS=/ for some reason.
IFS='%'
-set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
-IFS="${oIFS}"
+set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
+IFS=$oIFS
pathcomp=''
while [ $# -ne 0 ] ; do
- pathcomp="${pathcomp}${1}"
+ pathcomp=$pathcomp$1
shift
- if [ ! -d "${pathcomp}" ] ;
+ if [ ! -d "$pathcomp" ] ;
then
- $mkdirprog "${pathcomp}"
+ $mkdirprog "$pathcomp"
else
- true
+ :
fi
- pathcomp="${pathcomp}/"
+ pathcomp=$pathcomp/
done
fi
if [ x"$dir_arg" != x ]
then
- $doit $instcmd $dst &&
+ $doit $instcmd "$dst" &&
- if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
- if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
- if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
- if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
+ if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi &&
+ if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi &&
+ if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi &&
+ if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi
else
# If we're going to rename the final executable, determine the name now.
- if [ x"$transformarg" = x ]
+ if [ x"$transformarg" = x ]
then
- dstfile=`basename $dst`
+ dstfile=`basename "$dst"`
else
- dstfile=`basename $dst $transformbasename |
+ dstfile=`basename "$dst" $transformbasename |
sed $transformarg`$transformbasename
fi
# don't allow the sed command to completely eliminate the filename
- if [ x"$dstfile" = x ]
+ if [ x"$dstfile" = x ]
then
- dstfile=`basename $dst`
+ dstfile=`basename "$dst"`
else
- true
+ :
fi
-# Make a temp file name in the proper directory.
+# Make a couple of temp file names in the proper directory.
dsttmp=$dstdir/#inst.$$#
+ rmtmp=$dstdir/#rm.$$#
-# Move or copy the file name to the temp name
+# Trap to clean up temp files at exit.
- $doit $instcmd $src $dsttmp &&
+ trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
+ trap '(exit $?); exit' 1 2 13 15
- trap "rm -f ${dsttmp}" 0 &&
+# Move or copy the file name to the temp name
+
+ $doit $instcmd "$src" "$dsttmp" &&
# and set any options; do chmod last to preserve setuid bits
# ignore errors from any of these, just make sure not to ignore
# errors from the above "$doit $instcmd $src $dsttmp" command.
- if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
- if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
- if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
- if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
+ if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi &&
+ if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi &&
+ if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi &&
+ if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi &&
+
+# 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 [ -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
+ }
+ else
+ :
+ fi
+} &&
# Now rename the file to the real destination.
- $doit $rmcmd -f $dstdir/$dstfile &&
- $doit $mvcmd $dsttmp $dstdir/$dstfile
+ $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
fi &&
+# The final little trick to "correctly" pass the exit status to the exit trap.
-exit 0
+{
+ (exit 0); exit
+}
projects / mikachu / openbox.git / blobdiff