#!/bin/bash
#############################################################################
# Copyright (c) 2008,2009 Novell, Inc.
# All Rights Reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# 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, contact Novell, Inc.
#
# To contact Novell about this file by physical or electronic mail,
# you may find current contact information at www.novell.com
#############################################################################
# add scripts/git-hooks/pre-commit-test
cdup=$(git rev-parse --show-cdup) || exit
cd "${cdup:-./}" || exit
GIT_DIR=$(git rev-parse --git-dir) || exit
check_snippet()
{
# do not grep for the exact line so that those who really don't like
# the pre-commit check can add '# kernel-source-pre-commit' to silence
# the warnings
grep -qs kernel-source-pre-commit "$GIT_DIR"/hooks/pre-commit
}
install_snippet()
{
local hookdir="$GIT_DIR"/hooks
local hook="$hookdir"/pre-commit
local snippet='
# runs kernel-source-patch-check for each added or modified patch
. "$(dirname "$0")"/kernel-source-pre-commit'
# fix up old clones that had '$GIT_DIR/hooks' here which doesn't work
# with older gits
if grep -qs '"$GIT_DIR"/hooks/' "$hook"; then
sed -i 's:"\$GIT_DIR"/hooks/:"$(dirname "$0")"/:' "$hook"
fi
if check_snippet; then
return
fi
mkdir -p "$hookdir"
if ! test -x "$hook"; then
# if the hook was not enabled before, don't run the example code that
# is usually there
snippet="$snippet"$'\n'"exit 0"
fi
if test -e "$hook"; then
snippet="$snippet" perl -pi'.orig' -e '
if (/^[^#]/ && !$inserted) {
print $ENV{"snippet"} . "\n";
$inserted = 1;
}' "$hook"
else
(echo '#!/bin/bash'
echo
echo "$snippet") >"$hook"
fi
}
is_eq()
{
test "$1" -ef "$2" || cmp -s "$1" "$2"
}
clean_attributes()
{
# Previous versions of this file wrote attributes meant to be distributed
# with the repository into $GIT_DIR/info/attributes rather than
# .gitattributes. In order to avoid the former potentially overriding the
# latter, remove them.
# If you intentionally want to override these attributes with these values,
# make sure that the line in your "attributes" file differs, for example,
# by adding some leading or trailing whitespace to the line.
if [ -e "$GIT_DIR"/info/attributes ]; then
sed -i -e '
/^\*\.changes merge=rpm-changes$/ d
/^symsets-\*\.tar\.gz diff=symsets$/ d
' "$GIT_DIR"/info/attributes
fi
}
clean_config()
{
# Previous versions of this file set configuration values meant to be
# distributed with the repository into the repository-specific
# configuration file (.git/config). Currently, configuration values are set
# in a versioned file (extra-gitconfig) which is included from the
# repository-specific config. Check if the old scheme is in place and
# update it.
if ! git config --local --get "include.path" >/dev/null || \
! git config --local --get-all "include.path" | \
grep -q "../extra-gitconfig"; then
if git config --local --get "merge.rpm-changes.name" >/dev/null; then
git config --local --remove-section "merge.rpm-changes"
fi
if git config --local --get "diff.symsets.textconv" >/dev/null; then
git config --local --remove-section "diff.symsets"
fi
git config --add "include.path" "../extra-gitconfig"
fi
}
check_scripts()
{
clean_attributes
clean_config
test -x "$GIT_DIR"/hooks/pre-commit && \
is_eq "$GIT_DIR"/hooks/kernel-source-pre-commit scripts/git-pre-commit
}
# try to create a relative symlink if possible
relative_scripts_dir()
{
local toplevel=$PWD
if test "$toplevel/.git" -ef "$GIT_DIR"; then
echo "../../scripts"
else
echo "$toplevel/scripts"
fi
}
install_scripts()
{
chmod +x "$GIT_DIR"/hooks/pre-commit
dir=$(relative_scripts_dir)
ln -sf "$dir"/git-pre-commit "$GIT_DIR"/hooks/kernel-source-pre-commit
}
case "$1" in
--check)
check_snippet && check_scripts
exit
;;
"")
echo "Installing git commit hooks."
install_snippet
install_scripts
echo "Installing git config include directive."
clean_config
;;
*)
echo "Usage: $0 [--check]" >&2
exit 1
;;
esac
# vim: sw=4 : et