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|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0-only
# (kgit-init), (initialize a meta-based kernel git tree)
# Copyright (c) 2008-2011 Wind River Systems, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# For consistent behaviour with "grep -w"
LC_ALL=C
export LC_ALL
path=`dirname $0`
. $path/kgit
usage()
{
cat <<EOF
kgit-init [-v] [-c] <src> [<base_branch>] <tgt_repo>
Initialize an existing or new repository
-c: clean the tgt_repo after the clone completes. This will
perform garbage collection and remove all existing
branches (under the assumption they'll be recreated)
<src> : The source repository.
<base branch>: optional. indicates a base branch point in the
src repository to use as the base for the
dest repository
<tgt_rep> : repository to initialize. Can exist or not
exist before the command is run.
-h: help
-v: verbose
EOF
}
# command line processing
while [ $# -gt 0 ]; do
case "$1" in
-o|--o)
dest="$2"
shift
;;
-v|--v)
verbose=t
;;
-c|--c)
clean=t
;;
-h|--h)
usage
exit;
;;
*)
break
;;
esac
shift
done
if [ ! $# -gt 0 ]; then
usage
exit
fi
source kgit
# assign the default set of arguments
# source tree, branch point and destination
src=$1
initial_branch_point=$2
dest=$3
content_branch=master
# now fixup based on zero'd values
if [ -z "$initial_branch_point" ]; then
# no source, no branch, just a dest. We'll be
# reanimating this repo
dest=$src
src=
else
if [ -z "$dest" ]; then
# no branch was passed, this is just <src> <dest>
dest=$initial_branch_point
initial_branch_point=
fi
fi
if [ -n "$dest" ] && [ -z "$src" ]; then
if [ ! -d "$dest" ]; then
echo "ERROR. If no src is passed, $dest must exist"
exit 1
fi
fi
if [ -z "$src" ] && [ ! -d "$src" ]; then
echo "ERROR. $src is not a valid src repository"
exit 1
fi
if [ -z "$message" ]; then
message="base: add .gitignore and exclusions"
fi
# figure out what type of type destination repository we are creating
new_repo=
existing_repo=
if [ -d "$dest/.git" ]; then
existing_repo=t
else
# this means we are starting a repository from scratch
new_repo=t
fi
if [ -n "$new_repo" ]; then
if [ -n "$verbose" ]; then
echo "[INFO] git clone --shared $src $dest"
else
clone_opt=-q
fi
mkdir -p $dest
clone_opt="$clone_opt --shared"
# this means that we don't have to worry about converting
# remote branches into local tracking ones
git clone --bare $clone_opt $src $dest/.git
r=$?
if [ $r -ne 0 ]; then
echo [ERROR] git clone of \"$src\" failed
exit $r
fi
# check to see if the src is a bare repository and if
# it is, do an optimized startup
if [ -d $src/.git ]; then
cp -a $src/.git/config $dest/.git
cd $dest
else
cd $dest
git config core.bare false
# layering on 1k+ of patches makes auto gc inevitable/annoying
git config gc.auto 0
git checkout -q -f $checkout_opts master
if [ $? != 0 ]; then
echo "[ERROR] git checkout -q -f master failed"
exit -1
fi
fi
if [ -n "$clean" ]; then
clean_tgt_repo
fi
git checkout -q -f $checkout_opts master
if [ $? != 0 ]; then
echo "[ERROR] git checkout -qf master failed"
exit -1
fi
git reset --hard $initial_branch_point &> /dev/null
if [ $? -ne 0 ]; then
echo "[ERROR] branch point $initial_branch_point is not valid"
exit 1
fi
meta_dir=$(kgit --meta)
if [ ! -d "$meta_dir/cfg/scratch/obj" ]; then
mkdir -p $meta_dir/cfg/scratch/obj
fi
if [ ! -d "$meta_dir/patches" ]; then
mkdir -p $meta_dir/patches
fi
git checkout -q $content_branch
if [ $? != 0 ]; then
echo "[ERROR] git checkout -q content_branch failed"
exit -1
fi
fi
|
