Add functions to safely apply patches to non-git sources

project_sources_patch() is the equivalent to git_patch() when working
with non-git sources. It should not be used with sources under a
version control system.

1 files changed, 7 insertions, 0 deletions

diff --git a/libs/common b/libs/common
index 06b411e1..b1091e4f 100755
--- a/libs/common
+++ b/libs/common
@@ -117,6 +117,13 @@ diff_patch() {
 	patch -fd "$sources_path" -r - < "$patch_path"
 }
 
+diff_patch_check() {
+	local sources_path=$1
+	local patch_path=$2
+
+	patch -sfd "$sources_path" --dry-run < "$patch_path" > /dev/null 2>&1
+}
+
 path_wildcard_expand() {
 	local path=$@