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#!/usr/bin/env build
build_fetch_git()
{
build_fetch_git_uri="$(build-url --base "${1}")"
build_fetch_git_uri="${build_fetch_git_uri#git://}"
build_fetch_git_uri="${build_fetch_git_uri%%\?*}"
build_fetch_git_tag=
build_fetch_git_var=
for arg in $(build-url --arg "${1}"); do
case "${arg}" in
(archive=*) build_fetch_git_var="${arg##*=}";;
(*) build_fetch_git_tag="${arg}";;
esac
done
if [ -z "${build_fetch_git_var}" ]; then
die "do not know how to store source from '${1}'"
fi
# We want to avoid avoid copying the repository and all of its history
# in order to perform a single build, unfortunately git does not give a
# clear-cut approach to checkout out a specific tag or the head of a
# specific branch, instead we have to jump through some hoops.
build_fetch_git_dir="${build_fetch_git_var%%.t*}"
build_fetch_git_tmp="$(mktemp -d "${BUILDER_TMPDIR}/${build_fetch_git_dir}.XXXXXX")"
cd "${build_fetch_git_tmp}"
BUILD_FETCH_CLEAN="${BUILD_FETCH_CLEAN} ${build_fetch_git_tmp}"
case "${build_fetch_git_uri}" in
(*:[0-9]*) build_fetch_git_uri="git://${build_fetch_git_uri}";;
(*:*) build_fetch_new_uri="${build_fetch_git_uri##*:}"
build_fetch_new_uri="${build_fetch_new_uri#/}"
build_fetch_git_uri="ssh://${build_fetch_git_uri%%:*}/${build_fetch_new_uri}"
unset build_fetch_new_uri;;
(*) build_fetch_git_uri="git://${build_fetch_git_uri}";;
esac
if [ ! -z "${build_fetch_git_tag}" ]; then
case "${build_fetch_git_tag}" in
(tags/*)
if ! git clone --depth 1 "${build_fetch_git_uri}" "${build_fetch_git_dir}"; then
die "failed to clone git source at '${build_fetch_git_uri}'"
fi
if ! cd "${build_fetch_git_dir}"; then
die "failed to change working directory to '${build_fetch_git_dir}'"
fi
if ! git fetch --tags --depth 1 "${build_fetch_git_uri}" "${build_fetch_git_tag}"; then
die "failed to fetch git branch/tag '${build_fetch_git_tag}'"
fi
if ! git checkout "${build_fetch_git_tag}"; then
die "failed to checkout git branch/tag '${build_fetch_git_tag}'"
fi
;;
(*)
if ! git clone --depth 1 --branch "${build_fetch_git_tag}" "${build_fetch_git_uri}" "${build_fetch_git_dir}"; then
die "failed to clone git source at '${build_fetch_git_uri}'"
fi
;;
esac
else
if ! git clone --depth 1 "${build_fetch_git_uri}" "${build_fetch_git_dir}"; then
die "failed to clone git source at '${build_fetch_git_uri}'"
fi
fi
cd "${build_fetch_git_tmp}"
case "${build_fetch_git_var}" in
(*tar.Z|*tz) tar cZf "${build_fetch_git_var}" "${build_fetch_git_dir}";;
(*tgz|*tar.gz) tar czf "${build_fetch_git_var}" "${build_fetch_git_dir}";;
(*tar.bz2) tar cjf "${build_fetch_git_var}" "${build_fetch_git_dir}";;
(*) tar caf "${build_fetch_git_var}" "${build_fetch_git_dir}";;
esac
if [ ! -d "${BUILDER_SRCDIR}" ]; then
mkdir -p "${BUILDER_SRCDIR}"
fi
mv "${build_fetch_git_var}" "${BUILDER_SRCDIR}/${build_fetch_git_var}"
if [ -d "${build_fetch_git_tmp}" ]; then
rm -rf "${build_fetch_git_tmp}"
fi
unset build_fetch_git_tmp
unset build_fetch_git_var
unset build_fetch_git_dir
unset build_fetch_git_uri
unset build_fetch_git_tag
}
if test "${BUILDER_CALL_STACK}" = '__main__'; then
usage 'fetch-git' '<url>'
build_fetch_git "${1}"
fi
# vim: filetype=sh
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