ptxd_make_get: support git urls

Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>

1 files changed, 84 insertions, 0 deletions

diff --git a/scripts/lib/ptxd_make_get.sh b/scripts/lib/ptxd_make_get.sh
index 914b3d520..f8722a6b4 100644
--- a/scripts/lib/ptxd_make_get.sh
+++ b/scripts/lib/ptxd_make_get.sh
@@ -73,6 +73,74 @@ export -f ptxd_make_get_http
 
 
 #
+# in env:
+#
+# ${path}	: local file name
+# ${url}	: the url to download
+# ${opts[]}	: an array of options
+#
+ptxd_make_get_git() {
+	set -- "${opts[@]}"
+	unset opts
+	local tag
+	local mirror="${url#[a-z]*//}"
+	mirror="$(dirname "${path}")/${mirror//\//.}"
+	local prefix="$(basename "${path}")"
+	prefix="${prefix%.tar.*}/"
+
+	case "${path}" in
+	*.tar.gz|*.tar.bz2|*.tar.xz|*.zip)
+		;;
+	*)
+		ptxd_bailout "Only .tar.gz, .tar.bz2, .tar.xz and .zup archives are supported for git downloads."
+		;;
+	esac
+
+	#
+	# scan for valid options
+	#
+	while [ ${#} -ne 0 ]; do
+		local opt="${1}"
+		shift
+
+		case "${opt}" in
+			tag=*)
+				tag="${opt#tag=}"
+				;;
+			*)
+				ptxd_bailout "invalid option '${opt}' to ${FUNCNAME}"
+				;;
+		esac
+	done
+	unset opt
+
+	if [ -z "${tag}" ]; then
+		ptxd_bailout "git url '${url}' has no 'tag' option"
+	fi
+
+	echo "${PROMPT}git: fetching '${url} into '${mirror}'..."
+	if [ ! -d "${mirror}" ]; then
+		git init --bare --shared "${mirror}"
+	else
+		git --git-dir="${mirror}" remote remove origin
+	fi
+	# overwrite everything so the git repository is in a defined state
+	git --git-dir="${mirror}" config transfer.fsckObjects true &&
+	git --git-dir="${mirror}" config tar.tar.bz2.command "bzip2 -c" &&
+	git --git-dir="${mirror}" config tar.tar.xz.command "xz -c"
+	git --git-dir="${mirror}" remote add origin "${url}" &&
+	git --git-dir="${mirror}" fetch --progress -pf origin "+refs/*:refs/*"  &&
+
+	if ! git --git-dir="${mirror}" rev-parse --verify -q "${tag}" > /dev/null; then
+		ptxd_bailout "git: tag '${tag}' not found in '${url}'"
+	fi &&
+
+	git --git-dir="${mirror}" archive --prefix="${prefix}" -o "${path}" "${tag}"
+}
+export -f ptxd_make_get_git
+
+
+#
 # check if download is disabled
 #
 # in env:
@@ -154,6 +222,18 @@ ptxd_make_get() {
 				mrd=true
 			fi
 			;;
+		git://*|http://*".git;"*|https://*".git;"*)
+			# restrict donwload only to the PTXMIRROR
+			if [ -z "${PTXCONF_SETUP_PTXMIRROR_ONLY}" ]; then
+				# keep original URL
+				argv[${#argv[@]}]="${url}"
+			fi
+			# add mirror to URLs, but only once
+			if ! ${mrd}; then
+				ptxmirror_url="${path/#\/*\//${PTXCONF_SETUP_PTXMIRROR}/}"
+				mrd=true
+			fi
+			;;
 		http://*|https://*|ftp://*)
 			# restrict donwload only to the PTXMIRROR
 			if [ -z "${PTXCONF_SETUP_PTXMIRROR_ONLY}" ]; then
@@ -196,6 +276,10 @@ ptxd_make_get() {
 		shift
 
 		case "${url}" in
+		git://*|http://*.git|https://*.git)
+			ptxd_make_get_download_permitted &&
+			ptxd_make_get_git && return
+			;;
 		http://*|https://*|ftp://*)
 			ptxd_make_get_download_permitted &&
 			ptxd_make_get_http && return