X-Git-Url: http://git.openbox.org/?p=dana%2Fopenbox.git;a=blobdiff_plain;f=install-sh;h=36f96f3e033cfaeefc092147d99d92f78e030d12;hp=e8436696c19d1bfd9e4d53c7113deb6a991818a8;hb=220298fc3d0d5cfa07ab536fee9b5e0175fa006c;hpb=dfc5f034581f5a26cba5c4811500438f89f0634a diff --git a/install-sh b/install-sh old mode 100644 new mode 100755 index e843669..36f96f3 --- a/install-sh +++ b/install-sh @@ -56,7 +56,7 @@ dir_arg="" while [ x"$1" != x ]; do case $1 in - -c) instcmd="$cpprog" + -c) instcmd=$cpprog shift continue;; @@ -79,7 +79,7 @@ while [ x"$1" != x ]; do shift continue;; - -s) stripcmd="$stripprog" + -s) stripcmd=$stripprog shift continue;; @@ -106,127 +106,132 @@ done if [ x"$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" "$dsttmp" && # and set any options; do chmod last to preserve setuid bits @@ -234,17 +239,38 @@ else # ignore errors from any of these, just make sure not to ignore # errors from the above "$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 +}