X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=install-sh;h=462fa9c3d57b1ff8cf4803f0d212f7138b4ba9d5;hp=9f59f0be50e4f1fc7122555100af5dafef45f162;hb=5606eb48618dde18a593793e2e5dafadf18d345b;hpb=55ccd2b959766810cf7db8d1c4462f338ce0afc8 diff --git a/install-sh b/install-sh index 9f59f0be..462fa9c3 100755 --- a/install-sh +++ b/install-sh @@ -1,19 +1,37 @@ #! /bin/sh # # install - install a program, script, or datafile -# This comes from X11R5 (mit/util/scripts/install.sh). # -# Copyright 1991 by the Massachusetts Institute of Technology +# This originates from X11R5 (mit/util/scripts/install.sh), which was +# later released in X11R6 (xc/config/util/install.sh) with the +# following copyright and license. # -# Permission to use, copy, modify, distribute, and sell this software and its -# documentation for any purpose is hereby granted without fee, provided that -# the above copyright notice appear in all copies and that both that -# copyright notice and this permission notice appear in supporting -# documentation, and that the name of M.I.T. not be used in advertising or -# publicity pertaining to distribution of the software without specific, -# written prior permission. M.I.T. makes no representations about the -# suitability of this software for any purpose. It is provided "as is" -# without express or implied warranty. +# Copyright (C) 1994 X Consortium +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- +# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name of the X Consortium shall not +# be used in advertising or otherwise to promote the sale, use or other deal- +# ings in this Software without prior written authorization from the X Consor- +# tium. +# +# +# FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # `make' implicit rules from creating a file called install from it @@ -56,7 +74,7 @@ dir_arg="" while [ x"$1" != x ]; do case $1 in - -c) instcmd="$cpprog" + -c) instcmd=$cpprog shift continue;; @@ -79,7 +97,7 @@ while [ x"$1" != x ]; do shift continue;; - -s) stripcmd="$stripprog" + -s) stripcmd=$stripprog shift continue;; @@ -106,7 +124,7 @@ done if [ x"$src" = x ] then - echo "install: no input file specified" + echo "$0: no input file specified" >&2 exit 1 else : @@ -116,7 +134,7 @@ if [ x"$dir_arg" != x ]; then dst=$src src="" - if [ -d $dst ]; then + if [ -d "$dst" ]; then instcmd=: chmodcmd="" else @@ -128,17 +146,17 @@ else # 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 : 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 : @@ -147,16 +165,16 @@ else # 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 : 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 @@ -165,48 +183,48 @@ dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` if [ ! -d "$dstdir" ]; then defaultIFS=' ' -IFS="${IFS-${defaultIFS}}" +IFS="${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 : 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 $dst; else : ; fi && - if [ x"$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 $dst; else : ; fi + if [ x"$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 ] then - dstfile=`basename $dst` + dstfile=`basename "$dst"` else - dstfile=`basename $dst $transformbasename | + dstfile=`basename "$dst" $transformbasename | sed $transformarg`$transformbasename fi @@ -214,20 +232,24 @@ else if [ x"$dstfile" = x ] then - dstfile=`basename $dst` + dstfile=`basename "$dst"` else : 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" "$dsttmp" && # and set any options; do chmod last to preserve setuid bits @@ -235,17 +257,38 @@ else # ignore errors from any of these, just make sure not to ignore # errors from the above "$doit $instcmd $src $dsttmp" command. - if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else :;fi && - if [ x"$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 $dsttmp; else :;fi && + if [ x"$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 +}