113 lines
2.6 KiB
Plaintext
113 lines
2.6 KiB
Plaintext
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#!/bin/bash
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#
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# upd-updates
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#
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# Copyright (C) 2007 Red Hat, Inc. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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isAnacondaGitDir() {
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[ -f .git/config ] || return 1
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grep -q 'url = git+ssh://git\.fedoraproject\.org/git/hosted/anaconda\.git' .git/config
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}
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usage() {
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if [ $1 -ne 0 ]; then
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>&2
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fi
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echo "upd-updates <updates.img> [<file0> [<file1> [...]]]"
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exit $1
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}
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[ -z "$1" ] && usage 1
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[ "$1" == "--help" ] && usage 0
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updateAll=no
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if [ -z "$2" ]; then
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if isAnacondaGitDir ; then
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updateAll=yes
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else
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usage 1
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fi
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fi
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TARGET="$1" ; shift
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if [ ! -f "$1" ]; then
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echo -n | cpio -H newc --quiet -o | gzip -9 > "$1"
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fi
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OK=no
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if [ -e "$TARGET" -a -w "$TARGET" -o -w $(dirname "$TARGET") ] ; then
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OK=yes
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fi
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if [ "$OK" == "no" ]; then
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echo "upd-updates: cannot write to $TARGET" 1>&2
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exit 2
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fi
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if [ "$updateAll" == "no" ]; then
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n=1
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while [ -n "$(eval echo '${'$n'}')" ]; do
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arg="$(eval echo '${'$n'}')"
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[ ${arg} == "--help" -o ${arg} == "-h" ] && usage 0
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if [ ! -r ${arg} ]; then
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echo "upd-updates: cannot read ${arg}" 1>&2
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exit 3
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fi
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n=$(($n + 1))
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done
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fi
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TMPDIR=$(mktemp -d)
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if [ ! -d ${TMPDIR} ]; then
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echo "upd-updates: cannot make tmpdir ${TMPDIR}" 1>&2
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exit 4
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fi
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if [ -e "$TARGET" ]; then
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zcat "$TARGET" | ( cd $TMPDIR ; cpio -di --quiet -dm --unconditional )
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[ $? -eq 0 ] || exit 5
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fi
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if [ "$updateAll" == "yes" ]; then
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# this may do the wrong thing if we have two files named the same...
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# so, uh, don't do that.
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for oldfile in $(find "$TMPDIR" -type f) ; do
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for newfile in $(find . -name $(basename $oldfile)) ; do
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if [ "$oldfile" -ot "$newfile" ]; then
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cp -av "$newfile" "$oldfile"
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fi
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done
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done
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else
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echo ${@} | tr ' ' '\0' | tr -d '\n' | \
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cpio --null -H newc --quiet -o | \
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( cd $TMPDIR ; cpio -di --quiet -dm --unconditional )
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[ $? -eq 0 ] || exit 6
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fi
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(cd $TMPDIR ; find . -depth -print0 | cpio -H newc --quiet --null -o ) | \
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gzip -9 > "$TARGET"
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[ $? -eq 0 ] || exit 7
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rm -rf "$TMPDIR"
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[ $? -eq 0 ] || exit 8
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exit 0
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