From 70edda976fdd88a2ee59bc4c232703c82298a39e Mon Sep 17 00:00:00 2001
From: Andy Scherzinger <info@andy-scherzinger.de>
Date: Thu, 17 Mar 2022 13:47:27 +0100
Subject: [PATCH] add hooks for commit/push

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>
---
 scripts/hooks/pre-commit | 14 ++++++++++++++
 scripts/hooks/pre-push   | 27 +++++++++++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 scripts/hooks/pre-commit
 create mode 100644 scripts/hooks/pre-push

diff --git a/scripts/hooks/pre-commit b/scripts/hooks/pre-commit
new file mode 100644
index 000000000..dad2ed4b7
--- /dev/null
+++ b/scripts/hooks/pre-commit
@@ -0,0 +1,14 @@
+#!/bin/bash
+# Pre-commit hook: don't allow commits if detekt or ktlint fail. Skip with "git commit --no-verify".
+echo "Running pre-commit checks..."
+
+if ! ./gradlew --daemon ktlintCheck &>/dev/null; then
+    echo >&2 "ktlint failed! Run ./gradlew ktlintCheck for details"
+    echo >&2 "Hint: fix most lint errors with ./gradlew ktlintFormat"
+    exit 1
+fi
+
+if ! ./gradlew --daemon detekt &>/dev/null; then
+    echo >&2 "Detekt failed! See report at file://$(pwd)/app/build/reports/detekt/detekt.html"
+    exit 1
+fi
diff --git a/scripts/hooks/pre-push b/scripts/hooks/pre-push
new file mode 100644
index 000000000..628975cb2
--- /dev/null
+++ b/scripts/hooks/pre-push
@@ -0,0 +1,27 @@
+#!/bin/bash
+# Pre-push: Don't allow commits without Signed-off-by. Skip with "git push --no-verify".
+set -euo pipefail
+
+z40=0000000000000000000000000000000000000000 # magic deleted ref
+
+while read local_ref local_sha remote_ref remote_sha; do
+    if [ "$local_sha" != $z40 ]; then
+        if [ "$remote_sha" = $z40 ]; then
+            # New branch, examine all commits
+            range="$(git merge-base master $local_sha)..$local_sha"
+        else
+            # Update to existing branch, examine new commits
+            range="$remote_sha..$local_sha"
+        fi
+
+        # Check for commits without sign-off
+        commit=$(git rev-list --no-merges --grep 'Signed-off-by' --invert-grep "$range")
+        if [ -n "$commit" ]; then
+            echo >&2 "Found commits without sign-off in $local_ref. Aborting push. Offending commits:"
+            echo >&2 "$commit"
+            exit 1
+        fi
+    fi
+done
+
+exit 0