lbmk/gitclone

120 lines
1.9 KiB
Bash
Executable File

#!/usr/bin/env bash
# SPDX-FileCopyrightText: 2022 Caleb La Grange <thonkpeasant@protonmail.com>
# SPDX-FileCopyrightText: 2023 Leah Rowe <leah@libreboot.org>
# SPDX-License-Identifier: GPL-3.0-only
name=""
revision=""
location=""
url=""
bkup_url=""
tmp_dir=""
main()
{
if [ -z "${1+x}" ]; then
err 'Error: name not set'
fi
name=${1}
read_config
verify_config
clone_project
# clean in case of failure
rm -rf ${tmp_dir} >/dev/null 2>&1 || exit 1
}
read_config()
{
awkstr=" /\{.*${name}.*}{/ {flag=1;next} /\}/{flag=0} flag { print }"
while read -r line ; do
set ${line} >/dev/null 2>&1
case ${line} in
rev:*)
revision=${2}
;;
loc:*)
location=${2}
;;
url:*)
url=${2}
;;
bkup_url:*)
bkup_url=${2}
;;
esac
done <<< $(eval "awk '${awkstr}' resources/git/revisions")
}
verify_config()
{
if [ -z "${revision+x}" ]; then
err 'Error: revision not set'
elif [ -z "${location+x}" ]; then
err 'Error: location not set'
elif [ -z "${url+x}" ]; then
err 'Error: url not set'
fi
}
clone_project()
{
tmp_dir=$(mktemp -dt "${name}_XXXXX")
git clone ${url} ${tmp_dir} || git clone ${bkup_url} ${tmp_dir} \
|| err "ERROR: could not download ${name}"
(
cd ${tmp_dir} || exit 1
git reset --hard ${revision} || err "Cannot reset revision"
)
patch_project
if [ -d "${location}" ]; then
rm -Rf ${location} || exit 1
fi
mv ${tmp_dir} ${location} && return 0
printf "ERROR: Could not copy temp file to destination.\n"
err " ${tmp_dir} > ${location} check permissions"
}
patch_project()
{
patchdir="resources/${name}/patches"
for patchfile in ${PWD}/${patchdir}/*.patch ; do
if [ ! -f "${patchfile}" ]; then
continue
fi
(
cd ${tmp_dir} || exit 1
git am ${patchfile} || err "Cannot patch project: $name"
)
done
}
usage()
{
cat <<- EOF
Usage: ./gitclone [name]
Options:
name: Module name as specified in resources/git/revisions
EOF
}
err()
{
printf "${@}\n"
usage
exit 1
}
main $@