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661a0d64e6
have included a few fixes over the years to make them more robust and faster.
270 lines
7.3 KiB
Bash
Executable File
270 lines
7.3 KiB
Bash
Executable File
#!/bin/sh
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# install - install a program, script, or datafile
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# This originally came from X11R5 (mit/util/scripts/install.sh).
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scriptversion=2003-01-17.15
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# Copyright 1991 by the Massachusetts Institute of Technology
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# (FSF changes in the public domain.)
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#
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# Permission to use, copy, modify, distribute, and sell this software and its
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# documentation for any purpose is hereby granted without fee, provided that
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# the above copyright notice appear in all copies and that both that
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# copyright notice and this permission notice appear in supporting
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# documentation, and that the name of M.I.T. not be used in advertising or
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# publicity pertaining to distribution of the software without specific,
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# written prior permission. M.I.T. makes no representations about the
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# suitability of this software for any purpose. It is provided "as is"
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# without express or implied warranty.
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#
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# Calling this script install-sh is preferred over install.sh, to prevent
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# `make' implicit rules from creating a file called install from it
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# when there is no Makefile.
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#
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# This script is compatible with the BSD install script, but was written
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# from scratch. It can only install one file at a time, a restriction
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# shared with many OS's install programs.
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# set DOITPROG to echo to test this script
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# Don't use :- since 4.3BSD and earlier shells don't like it.
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doit="${DOITPROG-}"
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# put in absolute paths if you don't have them in your path; or use env. vars.
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mvprog="${MVPROG-mv}"
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cpprog="${CPPROG-cp}"
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chmodprog="${CHMODPROG-chmod}"
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chownprog="${CHOWNPROG-chown}"
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chgrpprog="${CHGRPPROG-chgrp}"
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stripprog="${STRIPPROG-strip}"
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rmprog="${RMPROG-rm}"
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mkdirprog="${MKDIRPROG-mkdir}"
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transformbasename=
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transform_arg=
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instcmd="$mvprog"
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chmodcmd="$chmodprog 0755"
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chowncmd=
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chgrpcmd=
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stripcmd=
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rmcmd="$rmprog -f"
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mvcmd="$mvprog"
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src=
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dst=
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dir_arg=
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usage="Usage: $0 [OPTION]... SRCFILE DSTFILE
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or: $0 -d DIR1 DIR2...
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In the first form, install SRCFILE to DSTFILE, removing SRCFILE by default.
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In the second, create the directory path DIR.
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Options:
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-b=TRANSFORMBASENAME
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-c copy source (using $cpprog) instead of moving (using $mvprog).
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-d create directories instead of installing files.
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-g GROUP $chgrp installed files to GROUP.
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-m MODE $chmod installed files to MODE.
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-o USER $chown installed files to USER.
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-s strip installed files (using $stripprog).
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-t=TRANSFORM
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--help display this help and exit.
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--version display version info and exit.
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Environment variables override the default commands:
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CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
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"
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while test -n "$1"; do
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case $1 in
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-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
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shift
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continue;;
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-c) instcmd=$cpprog
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shift
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continue;;
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-d) dir_arg=true
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shift
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continue;;
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-g) chgrpcmd="$chgrpprog $2"
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shift
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shift
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continue;;
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--help) echo "$usage"; exit 0;;
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-m) chmodcmd="$chmodprog $2"
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shift
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shift
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continue;;
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-o) chowncmd="$chownprog $2"
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shift
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shift
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continue;;
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-s) stripcmd=$stripprog
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shift
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continue;;
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-t=*) transformarg=`echo $1 | sed 's/-t=//'`
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shift
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continue;;
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--version) echo "$0 $scriptversion"; exit 0;;
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*) if test -z "$src"; then
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src=$1
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else
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# this colon is to work around a 386BSD /bin/sh bug
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:
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dst=$1
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fi
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shift
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continue;;
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esac
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done
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if test -z "$src"; then
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echo "$0: no input file specified." >&2
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exit 1
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fi
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if test -n "$dir_arg"; then
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dst=$src
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src=
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if test -d "$dst"; then
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instcmd=:
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chmodcmd=
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else
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instcmd=$mkdirprog
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fi
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else
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# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
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# might cause directories to be created, which would be especially bad
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# if $src (and thus $dsttmp) contains '*'.
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if test ! -f "$src" && test ! -d "$src"; then
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echo "$0: $src does not exist." >&2
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exit 1
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fi
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if test -z "$dst"; then
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echo "$0: no destination specified." >&2
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exit 1
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fi
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# If destination is a directory, append the input filename; won't work
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# if double slashes aren't ignored.
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if test -d "$dst"; then
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dst=$dst/`basename "$src"`
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fi
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fi
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## this sed command emulates the dirname command
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dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
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# Make sure that the destination directory exists.
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# (this part is taken from Noah Friedman's mkinstalldirs script.)
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# Skip lots of stat calls in the usual case.
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if test ! -d "$dstdir"; then
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defaultIFS='
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'
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IFS="${IFS-$defaultIFS}"
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oIFS=$IFS
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# Some sh's can't handle IFS=/ for some reason.
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IFS='%'
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set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
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IFS=$oIFS
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pathcomp=
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while test $# -ne 0 ; do
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pathcomp=$pathcomp$1
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shift
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test -d "$pathcomp" || $mkdirprog "$pathcomp"
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pathcomp=$pathcomp/
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done
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fi
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if test -n "$dir_arg"; then
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$doit $instcmd "$dst" \
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&& { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
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&& { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
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&& { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
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&& { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
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else
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# If we're going to rename the final executable, determine the name now.
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if test -z "$transformarg"; then
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dstfile=`basename "$dst"`
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else
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dstfile=`basename "$dst" $transformbasename \
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| sed $transformarg`$transformbasename
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fi
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# don't allow the sed command to completely eliminate the filename.
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test -z "$dstfile" && dstfile=`basename "$dst"`
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# Make a couple of temp file names in the proper directory.
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dsttmp=$dstdir/#inst.$$#
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rmtmp=$dstdir/#rm.$$#
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# Trap to clean up those temp files at exit.
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trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
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trap '(exit $?); exit' 1 2 13 15
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# Move or copy the file name to the temp name
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$doit $instcmd "$src" "$dsttmp" &&
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# and set any options; do chmod last to preserve setuid bits.
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#
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# If any of these fail, we abort the whole thing. If we want to
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# ignore errors from any of these, just make sure not to ignore
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# errors from the above "$doit $instcmd $src $dsttmp" command.
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#
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{ test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
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&& { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
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&& { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
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&& { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
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# Now remove or move aside any old file at destination location. We
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# try this two ways since rm can't unlink itself on some systems and
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# the destination file might be busy for other reasons. In this case,
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# the final cleanup might fail but the new file should still install
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# successfully.
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{
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if test -f "$dstdir/$dstfile"; then
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$doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
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|| $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
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|| {
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echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
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(exit 1); exit
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}
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else
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:
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fi
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} &&
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# Now rename the file to the real destination.
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$doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
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fi &&
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# The final little trick to "correctly" pass the exit status to the exit trap.
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{
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(exit 0); exit
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}
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# Local variables:
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# eval: (add-hook 'write-file-hooks 'time-stamp)
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# time-stamp-start: "scriptversion="
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# time-stamp-format: "%:y-%02m-%02d.%02H"
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# time-stamp-end: "$"
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# End:
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