From 1d48bd7eafdbc93894836ac8e63d17b213bf70b0 Mon Sep 17 00:00:00 2001
From: Stephen Haberman <stephen@exigencecorp.com>
Date: Mon, 29 Sep 2008 03:17:14 -0500
Subject: [PATCH] First pass at sequential commit numbers.

---
 server/post-receive-assign-commit-numbers     | 20 +++++++
 ...rver-post-receive-assign-commit-numbers.sh | 57 +++++++++++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 server/post-receive-assign-commit-numbers
 create mode 100644 tests/t3200-server-post-receive-assign-commit-numbers.sh

diff --git a/server/post-receive-assign-commit-numbers b/server/post-receive-assign-commit-numbers
new file mode 100644
index 0000000..9d424b1
--- /dev/null
+++ b/server/post-receive-assign-commit-numbers
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+. $(dirname $0)/functions
+
+while read oldrev newrev refname ; do
+	set_new_commits
+	echo "$new_commits" | git rev-list --reverse --stdin | while read commit ; do
+		cat $GIT_DIR/packed-refs | grep --quiet "$commit"
+		if [ $? -ne 0 ] ; then
+			current=$(cat $GIT_DIR/packed-refs | grep "refs/tags/r/" | tail -n 1 | grep -oP "r\/\d+" | grep -oP "\d+")
+			if [ $? -ne 0 ] ; then
+				next="0"
+			else
+				next=$(($current + 1))
+			fi
+			echo "$commit refs/tags/r/$next" >> $GIT_DIR/packed-refs
+		fi
+	done
+done
+
diff --git a/tests/t3200-server-post-receive-assign-commit-numbers.sh b/tests/t3200-server-post-receive-assign-commit-numbers.sh
new file mode 100644
index 0000000..6e76cd6
--- /dev/null
+++ b/tests/t3200-server-post-receive-assign-commit-numbers.sh
@@ -0,0 +1,57 @@
+#!/bin/sh
+
+test_description='server assign commit numbers'
+
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+	echo "setup" >a &&
+	git add a &&
+	git commit -m "setup" &&
+	git clone ./. server &&
+	rm -fr server/.git/hooks &&
+	git remote add origin ./server &&
+	git config --add branch.master.remote origin &&
+	git config --add branch.master.merge refs/heads/master &&
+	git fetch
+'
+
+install_post_receive_hook 'post-receive-assign-commit-numbers'
+
+test_expect_success 'assign one new commit' '
+	git checkout master &&
+	echo "$test_name" >a &&
+	git commit -a -m "changed a" &&
+	git push origin master &&
+	git fetch &&
+
+	test "$(git rev-parse HEAD)" = "$(git rev-parse r/0)"
+	test "$(git describe --tags)" = "r/0"
+'
+
+test_expect_success 'assign two new commits' '
+	echo "$test_name first" >a &&
+	git commit -a -m "changed a first" &&
+	echo "$test_name second" >a &&
+	git commit -a -m "changed a second" &&
+	git push origin master &&
+	git fetch &&
+
+	test "$(git rev-parse HEAD)" = "$(git rev-parse r/2)"
+	test "$(git describe --tags)" = "r/2"
+
+	test "$(git rev-parse HEAD^)" = "$(git rev-parse r/1)"
+	test "$(git describe --tags HEAD^)" = "r/1"
+'
+
+test_expect_success 'pushing commits to a new branch does not reassign' '
+	git checkout -b topica &&
+	echo "$test_name" &&
+	git push origin topica &&
+	git fetch &&
+
+	! git rev-parse r/3
+'
+
+test_done
+
-- 
2.39.5