1 files changed, 88 insertions, 0 deletions
diff --git a/resources/scripts/download/gitmodule b/resources/scripts/download/gitmodule
new file mode 100755
index 0000000..1879fac
--- /dev/null
+++ b/resources/scripts/download/gitmodule
@@ -0,0 +1,88 @@
+#!/usr/bin/env bash
+
+# SPDX-FileCopyrightText: 2022 Caleb La Grange <thonkpeasant@protonmail.com>
+# SPDX-License-Identifier: GPL-3.0-only
+
+Print_help(){
+	cat <<- EOF
+	Usage: ./download gitmodule [name]
+
+	Options:
+	name: The name of the module as specified in resources/git/revisions file
+	EOF
+}
+
+Fail(){
+	printf "${@}\n"
+	Print_help
+	exit 1
+}
+
+Check_vars(){
+	if [ -z "${revision+x}" ]; then
+		Fail 'Error: revision not set'
+	fi
+	if [ -z "${location+x}" ]; then
+		Fail 'Error: location not set'
+	fi
+	if [ -z "${url+x}" ]; then
+		Fail 'Error: url not set'
+	fi
+}
+
+Patch(){
+	for patchfile in ${PWD}/${patchdir}/*.patch ; do
+		( cd ${tmp_dir}
+		git am ${patchfile} || return 1
+		)
+	done
+}
+
+Run(){
+	git clone ${url} ${tmp_dir} || git clone ${bkup_url} ${tmp_dir} || Fail "ERROR: couldn't download ${name}\n Check Network connection"
+	( cd ${tmp_dir} && git reset --hard ${revision} )
+	patchdir="resources/${name}/patches"
+	
+	if [ -d "${patchdir}" ]; then
+		Patch || Fail "ERROR: Faild to patch ${name}"	
+	fi
+	
+	mv ${tmp_dir} ${location} || Fail "ERROR: couldn't copy temp to destination\n ${tmp_dir} > ${location} check permissions"
+}
+
+if [ -z "${1+x}" ]; then
+	Fail 'Error: name not set'
+else
+	name=${1}
+fi
+
+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 <<< $(eval "awk ' /\{.*${name}.*}{/ {flag=1;next} /\}/{flag=0} flag { print }' resources/git/revisions")
+
+Check_vars
+tmp_dir=$(mktemp -dt "${name}_XXXXX")
+
+# clean out old version just in case
+if [ -d "${location}" ]; then
+	rm -rf ${location}
+fi
+
+Run
+
+# clean in case of failure
+rm -rf ${tmp_dir} >/dev/null 2>&1