From f2f482edbe44b4c57e93a7bbb119c60d0f1a3c71 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Fri, 28 Jul 2017 01:41:29 +1000
Subject: [PATCH] add the check_commits script

---
 check_commits | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100755 check_commits

diff --git a/check_commits b/check_commits
new file mode 100755
index 0000000..d82c18a
--- /dev/null
+++ b/check_commits
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+if [ "$#" -lt 1 ]; then
+	printf "Usage: %s <commit range>\n", "$0" 1>&2
+	exit 1
+fi
+
+for c in $(git rev-list --no-merges "$@"); do
+	ae=$(git log -1 --format='%ae' "$c")
+	aE=$(git log -1 --format='%aE' "$c")
+	an=$(git log -1 --format='%an' "$c")
+	aN=$(git log -1 --format='%aN' "$c")
+	ce=$(git log -1 --format='%ce' "$c")
+	cE=$(git log -1 --format='%cE' "$c")
+	cn=$(git log -1 --format='%cn' "$c")
+	cN=$(git log -1 --format='%cN' "$c")
+	sob=$(git log -1 --format='%b' "$c" | grep -i 'Signed-off-by')
+
+	am=false
+	cm=false
+	grep -i -q "<$ae>" <<<"$sob" ||
+		grep -i -q "<$aE>" <<<"$sob" ||
+		grep -i -q ":[[:space:]]*$an[[:space:]]*<" <<<"$sob" ||
+		grep -i -q ":[[:space:]]*$aN[[:space:]]*<" <<<"$sob" ||
+		am=true
+	grep -i -q "<$ce>" <<<"$sob" ||
+		grep -i -q "<$cE>" <<<"$sob" ||
+		grep -i -q ":[[:space:]]*$cn[[:space:]]*<" <<<"$sob" ||
+		grep -i -q ":[[:space:]]*$cN[[:space:]]*<" <<<"$sob" ||
+		cm=true
+
+	if "$am" || "$cm"; then
+		printf "Commit %s\n" "$c"
+		"$am" && printf "\tauthor SOB missing\n"
+		"$cm" && printf "\tcommitter SOB missing\n"
+		printf "%s %s\n%s\n" "$ae" "$ce" "$sob"
+	fi
+done
+
+exit 0
-- 
2.39.2