Add sendemail-validate hook for checking signoffby lines

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

1 files changed, 28 insertions, 0 deletions

diff --git a/scripts/hooks/sendemail-validate.signoffby-missing-warn.sh b/scripts/hooks/sendemail-validate.signoffby-missing-warn.sh
new file mode 100644
index 00000000..386571e2
--- /dev/null
+++ b/scripts/hooks/sendemail-validate.signoffby-missing-warn.sh
@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+#
+# The following snippet can be used to _WARN_ if a Signed-off-by line is missing
+# in the commit message of the patch
+#
+# Use
+#
+#   git config sendemail.validate true
+#
+# and link this script to your git hooks folder to enable.
+#
+
+GREEN='\e[0;32m'        # Green
+RED='\e[0;31m' # Red
+NORMAL='\e[0m' # Text Reset
+
+GREPLINE="^Signed-off-by: $(git config user.name) <$(git config user.email)>"
+
+if [ "$(grep -c "$GREPLINE" "$1")" -lt 1 ]; then
+    echo -e >&2 "${RED}Missing Signed-off-by line.${NORMAL}\n"
+
+    # To not only warn, but abort the patch sending, uncomment the next line
+    # exit 1
+else
+    echo -e >&2 "${GREEN}Signed-off-by line found.${NORMAL}\n"
+fi
+