Attachment 1742 Details for Bug 10438 – gear-update

gear-update

gear-update (text/plain), 6.58 KB, created by Alexey Gladkov on 2007-01-04 17:25:48 MSK

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Creator: Alexey Gladkov

Created: 2007-01-04 17:25:48 MSK

Size: 6.58 KB

patch

obsolete

>#!/bin/sh -efux
>#
># Copyright (C) 2006-2007  Alexey Gladkov <legion@altlinux.org>
># Copyright (C) 2006  Dmitry V. Levin <ldv@altlinux.org>
># Copyright (C) 2006  Sergey Vlasov <vsu@altlinux.org>
>#
># gear-update updates subdirectory from source archive/directory.
>#
># This file is free software; you can redistribute it and/or modify
># it under the terms of the GNU General Public License as published by
># the Free Software Foundation; either version 2 of the License, or
># (at your option) any later version.
>#
># This program is distributed in the hope that it will be useful,
># but WITHOUT ANY WARRANTY; without even the implied warranty of
># MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
># GNU General Public License for more details.
>#
># You should have received a copy of the GNU General Public License
># along with this program; if not, write to the Free Software
># Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
>#
>
>. gear-sh-functions
>
>show_help() {
>	cat <<EOF
>Usage: $PROG [Options] <source> [<subdirectory>]
>
>Utility to update subdirectory from source. Current directory 
>will be updated if second argument is not specified.
>
>Options:
>
>  -u,--unpack-dir=DIR define directory name in archive;
>  -t,--type=TYPE      define type of souece. It may on 
>                      of items: 'dir', 'tar' or 'zip';
>  -f,--force          remove files from the <dst-directory>
>                      even if untracked or modified files found;
>  --ignore-exclude    ignore .gitignore and .git/info/exclude;
>  -U,--unpack-all     unpack all subdirectories in archive;
>  -v,--verbose        print a message for each action;
>  -V,--version        print program version and exit;
>  -h,--help           show this text and exit.
>
>Report bugs to http://bugs.altlinux.ru/
>
>EOF
>	exit
>}
>
>print_version() {
>	cat <<EOF
>$PROG version $PROG_VERSION
>Written by Alexey Gladkov <legion@altlinux.org>
>
>Copyright (C) 2006-2007  Alexey Gladkov <legion@altlinux.org>
>Copyright (C) 2006  Dmitry V. Levin <ldv@altlinux.org>
>Copyright (C) 2006  Sergey Vlasov <vsu@altlinux.org>
>This is free software; see the source for copying conditions.  There is NO
>warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>EOF
>	exit
>}
>
>source_type=
>get_type_by_source() {
>	local mimetype="$(file -biz "$source" |tr [:upper:] [:lower:])"
>	case "${mimetype#application/x-}" in
>		tar*)	source_type="tar" ;;
>		zip)	source_type="zip" ;;
>		*)
>			[ ! -d "$source" ] || source_type="dir"
>			;;
>	esac
>}
>
>subdir=
>unpack_all=
>validate_subdir() {
>	local source_lscmd= n quoted_subdir
>	case "$source_type" in
>		tar) source_lscmd="tar -tf"    ;;
>		zip) source_lscmd="zipinfo -1" ;;
>		dir) subdir="$source" ;;
>		*) fatal "$source_type: unknown source type" ;;
>	esac
>	[ -z "$unpack_all" ] || return 0
>	[ -n "$subdir" ] ||
>		subdir="$($source_lscmd "$source" |sed -e 's#$^\|/\?$\./#\1#g' |cut -d/ -f1 |sort -u)"
>
>	n="$(printf %s\\n "$subdir" |wc -l)"
>	[ "$n" -le 1 ] || fatal "too many subdirectories: $(printf %s "$subdir" |tr \\n \ )"
>	[ "$n" -eq 1 ] || fatal "$source: directory not found"
>
>	[ -n "$source_lscmd" ] || return 0
>
>	quoted_subdir="$(quote_sed_regexp "$subdir")"
>	$source_lscmd "$source" |grep -qs "^$quoted_subdir/\?\$" ||
>		fatal "$source: directory not found in archive"
>}
>
>check_destdir() {
>	[ "$#" -eq 2 ] || fatal "check_destdir: more arguments required"
>	[ "$2" != "." -o ! -d "$2/.git" -o ! -d "$1/.git" ] ||
>		fatal "$dstdir/.git: unable to replace git direstory"
>}
>
>workdir=
>destdir=
>exit_handler()
>{
>	local rc=$?
>	trap - EXIT
>	[ -z "$workdir" ] || rm -rf -- "$workdir"
>	if [ "$rc" -gt 0 ]; then
>		# Rollback actions
>		if [ -d "$destdir" ]; then
>			find "$destdir" -mindepth 1 -maxdepth 1 ! -name '.git' -print0 |
>				xargs -r0 rm $verbose -rf --
>		else
>			rm $verbose -f -- "$destdir"
>		fi
>		mkdir -p -- "$destdir"
>		cd "$destdir"
>		git-checkout-index -a
>		info "unable to unpack new archive"
>	fi
>	exit $rc
>}
>
>TEMP=`getopt -n $PROG -o f,t:,d:,a,v,V,h -l ignore-exclude,unpack-all,force,type:,subdir:,verbose,version,help -- "$@"` || show_usage
>eval set -- "$TEMP"
>
>force=
>ignore_exclude=
>while :; do
>	case "$1" in
>	    --ignore-exclude) ignore_exclude=1
>		;;
>	    -a|--unpack-all) unpack_all=1
>		;;
>	    -f|--force) force=1
>		;;
>	    -t|--type) shift; source_type="$1"
>		;;
>	    -d|--unpack-dir) shift; subdir="$1"
>		;;
>	    -v|--verbose) verbose=-v
>		;;
>	    -V|--version) print_version
>	    	;;
>	    -h|--help) show_help
>		;;
>	    --) shift; break
>		;;
>	    *) fatal "unrecognized option: $1"
>		;;
>	esac
>	shift
>done
>
>[ "$#" -ge 1 ] || show_usage 'Not enough arguments.'
>source="$(readlink -ev "$1")"; shift
>destdir="$(readlink -ev "${1:-.}")"
>
>[ "$source" != "$destdir" ] ||
>	fatal "\`$source' and \`$destdir' are the same place"
>[ -d "$destdir" ] ||
>	fatal "$destdir: directory not available"
>
># Move to topdir
>cd "$(git-rev-parse --show-cdup)"
>topdir="$(readlink -ev .)"
>destdir="$destdir/"
>destdir="${destdir#$topdir/}"
>
>[ "$destdir" = "${destdir#/}" ] ||
>	fatal "$destdir: directory out of \`$topdir' tree."
>[ -n "$destdir" ] && destdir="${destdir%/}" || destdir="."
>git-rm -n "$destdir" >/dev/null
>
>if [ -z "$force" ]; then
>	out="$(git diff --name-only -- "$destdir"
>		git-ls-files --directory --others --exclude-per-directory=.gitignore -- "$destdir")"
>	[ -z "$out" ] || fatal "$destdir: untracked or modified files found"
>fi
>
>[ -n "$source_type" ] || get_type_by_source
>validate_subdir
>
># Trap for rollback
>trap exit_handler HUP INT QUIT TERM EXIT
>
># Remove obsolete source
>find "$destdir" -mindepth 1 -maxdepth 1 ! -name '.git' -print0 |
>	xargs -r0 rm $verbose -rf --
>[ "$destdir" = "." ] || rmdir $verbose -- "$destdir"
>
># Copy new sources
>case "$source_type" in
>	tar)
>		workdir="$(mktemp -d "$PROG.XXXXXXXXX")"
>		dir="$workdir"
>		if [ -z "$unpack_all" ]; then
>			printf %s\\n "$subdir/" |tar -T- -C "$workdir" -xf "$source"
>			dir="$dir/$subdir"
>		else
>			tar -C "$workdir" -xf "$source"
>		fi
>		check_destdir "$dir" "$destdir"
>		mv -f -- "$dir" "$destdir"
>		;;
>	zip)
>		workdir="$(mktemp -d "$PROG.XXXXXXXXX")"
>		dir="$workdir"
>		if [ -z "$unpack_all" ]; then
>			unzip "$source" "$subdir/*" -d "$workdir"
>			dir="$dir/$subdir"
>		else
>			unzip "$source" -d "$workdir"			
>		fi
>		check_destdir "$dir" "$destdir"
>		mv -f -- "$dir" "$destdir"
>		;;
>	dir)
>		check_destdir "$subdir" "$destdir"
>		cp -a -- "$subdir" "$destdir"
>		;;
>esac
>[ -d "$destdir" ] ||
>	fatal "$destdir: result of extraction is not a directory"
>
>if [ -n "$ignore_exclude" ]; then
>	git-ls-files -z "$destdir" |
>		git-update-index --remove --force-remove -z --stdin
>	git-ls-files -z --others --modified "$destdir" |
>		git-update-index --add ${verbose:+--verbose} -z --stdin
>else
>	git-rm $verbose "$destdir"
>	git-add $verbose "$destdir"
>fi

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Attachments on bug 10438: 1742