CI: add formal checks

The formal checks verify the following things:
- Commits does not contain any merge commits
- Signed by a real name
- Commit titles starts with an `<area>:`
- Author name matches signed of name
- Commit message is not empty

Signed-off-by: Paul Spooren <mail@aparcar.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/.github/workflows/ci_helpers.sh b/.github/workflows/ci_helpers.sh
new file mode 100644
index 0000000000..2f9daf81e2
--- /dev/null
+++ b/.github/workflows/ci_helpers.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+color_out() {
+	printf "\e[0;$1m%s\e[0;0m\n" "$2"
+}
+
+success() {
+	color_out 32 "$1"
+}
+
+info() {
+	color_out 36 "$1"
+}
+
+err() {
+	color_out 31 "$1"
+}
+
+warn() {
+	color_out 33 "$1"
+}
+
+err_die() {
+	err "$1"
+	exit 1
+}