merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 56 insertions, 0 deletions

diff --git a/third_party/git/t/t5402-post-merge-hook.sh b/third_party/git/t/t5402-post-merge-hook.sh
new file mode 100755
index 000000000000..6eb2ffd6ecab
--- /dev/null
+++ b/third_party/git/t/t5402-post-merge-hook.sh
@@ -0,0 +1,56 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 Josh England
+#
+
+test_description='Test the post-merge hook.'
+. ./test-lib.sh
+
+test_expect_success setup '
+	echo Data for commit0. >a &&
+	git update-index --add a &&
+	tree0=$(git write-tree) &&
+	commit0=$(echo setup | git commit-tree $tree0) &&
+	echo Changed data for commit1. >a &&
+	git update-index a &&
+	tree1=$(git write-tree) &&
+	commit1=$(echo modify | git commit-tree $tree1 -p $commit0) &&
+        git update-ref refs/heads/master $commit0 &&
+	git clone ./. clone1 &&
+	GIT_DIR=clone1/.git git update-index --add a &&
+	git clone ./. clone2 &&
+	GIT_DIR=clone2/.git git update-index --add a
+'
+
+for clone in 1 2; do
+    cat >clone${clone}/.git/hooks/post-merge <<'EOF'
+#!/bin/sh
+echo $@ >> $GIT_DIR/post-merge.args
+EOF
+    chmod u+x clone${clone}/.git/hooks/post-merge
+done
+
+test_expect_success 'post-merge does not run for up-to-date ' '
+        GIT_DIR=clone1/.git git merge $commit0 &&
+	! test -f clone1/.git/post-merge.args
+'
+
+test_expect_success 'post-merge runs as expected ' '
+        GIT_DIR=clone1/.git git merge $commit1 &&
+	test -e clone1/.git/post-merge.args
+'
+
+test_expect_success 'post-merge from normal merge receives the right argument ' '
+        grep 0 clone1/.git/post-merge.args
+'
+
+test_expect_success 'post-merge from squash merge runs as expected ' '
+        GIT_DIR=clone2/.git git merge --squash $commit1 &&
+	test -e clone2/.git/post-merge.args
+'
+
+test_expect_success 'post-merge from squash merge receives the right argument ' '
+        grep 1 clone2/.git/post-merge.args
+'
+
+test_done