update-06-copyright: Prohibit committing licenses with DCO-1.1

Signed-off-by: Michał Górny <mgorny@gentoo.org>

2 files changed, 38 insertions, 0 deletions

diff --git a/local/tests/update-06-copyright.sh b/local/tests/update-06-copyright.sh
index 7710c98..1ffc1d3 100755
--- a/local/tests/update-06-copyright.sh
+++ b/local/tests/update-06-copyright.sh
@@ -42,6 +42,7 @@ FAIL_SYNTAX="*: malformed sign-off (should be: real name <email>)!
 *"
 FAIL_REALNAME="*: name of sign-off does not match realname in LDAP!
 *"
+FAIL_LICENSE="*: DCO-1.1 sign-off used on license directory!"
 
 # Non-developer commit tests (for repos that allow those)
 export GL_USER=nondev@example.com
@@ -98,6 +99,29 @@ test_success
 
 eoutdent
 
+einfo "License directory tests"
+eindent
+
+tbegin "GCO sign-off on licenses directory"
+mkdir -p licenses || die
+echo 'Unmodifiable license' > licenses/mylicense || die
+git add licenses/mylicense
+git commit -m "A commit with license
+
+Signed-off-by: ${GIT_COMMITTER_NAME} <${GIT_COMMITTER_EMAIL}>" -q
+test_success
+
+tbegin "Linux DCO sign-off on licenses directory"
+mkdir -p licenses || die
+echo 'Unmodifiable license' > licenses/mylicense || die
+git add licenses/mylicense
+git commit -m "A commit with license
+
+Signed-off-by: ${GIT_COMMITTER_NAME} <${GIT_COMMITTER_EMAIL}> (DCO-1.1)" -q
+test_failure "${FAIL_LICENSE}"
+
+eoutdent
+
 einfo "Syntax check tests"
 eindent
 
diff --git a/local/update-06-copyright b/local/update-06-copyright
index e08ff4e..ffc3d96 100755
--- a/local/update-06-copyright
+++ b/local/update-06-copyright
@@ -80,6 +80,17 @@ while read -r commithash; do
 				break
 			fi
 
+			# verify that DCO-1.1 is not used on licenses directory
+			# (suggested by leio)
+			if [[ ${line} == *DCO[-\ ]1* ]]; then
+				while read -r -d $'\0' filename; do
+					if [[ ${filename} == licenses/* ]]; then
+						signoff=dcolicense
+						break 2
+					fi
+				done < <(git diff -z --name-only "${commithash}^" "${commithash}")
+			fi
+
 			# if we already found the correct one, just verify syntax
 			# of the rest
 			[[ ${signoff} == ok ]] && continue
@@ -121,6 +132,9 @@ while read -r commithash; do
 			echo "${commithash}: malformed sign-off (should be: real name <email>)!"
 			echo "  ${line}"
 			ret=1;;
+		dcolicense)
+			echo "${commithash}: DCO-1.1 sign-off used on license directory!"
+			ret=1;;
 		diffmail)
 			echo "${commithash}: no sign-off matching committer's e-mail address found!"
 			echo "  expected: ${committer}"