Signed-off-by: Josh England <jjengla@xxxxxxxxxx>
---
Documentation/hooks.txt | 10 +++++++
git-checkout.sh | 5 +++
t/t5403-post-checkout-hook.sh | 61 +++++++++++++++++++++++++++++++++++++++++
3 files changed, 76 insertions(+), 0 deletions(-)
create mode 100755 t/t5403-post-checkout-hook.sh
diff --git a/Documentation/hooks.txt b/Documentation/hooks.txt
index c39edc5..e78f91a 100644
--- a/Documentation/hooks.txt
+++ b/Documentation/hooks.txt
@@ -87,6 +87,16 @@ parameter, and is invoked after a commit is made.
This hook is meant primarily for notification, and cannot affect
the outcome of `git-commit`.
+post-checkout
+-----------
+
+This hook is invoked when a `git-checkout` is run on a local repository.
+The hook is given two parameters: the ref of the previous HEAD, and the ref of
+the new HEAD. This hook cannot affect the outcome of `git-checkout`.
+
+This hook can be used to perform repository validity checks, auto-display
+differences from the previous HEAD, or set working dir metadata properties.
+
[[pre-receive]]
pre-receive
-----------
diff --git a/git-checkout.sh b/git-checkout.sh
index 17f4392..0cff36c 100755
--- a/git-checkout.sh
+++ b/git-checkout.sh
@@ -284,3 +284,8 @@ if [ "$?" -eq 0 ]; then
else
exit 1
fi
+
+# Run a post-checkout hook
+if test -x "$GIT_DIR"/hooks/post-checkout; then
+ "$GIT_DIR"/hooks/post-checkout $old $new
+fi
diff --git a/t/t5403-post-checkout-hook.sh b/t/t5403-post-checkout-hook.sh
new file mode 100755
index 0000000..aa0216a
--- /dev/null
+++ b/t/t5403-post-checkout-hook.sh
@@ -0,0 +1,61 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 Josh England
+#
+
+test_description='Test the post-checkout hook.'
+. ./test-lib.sh
+
+test_expect_success setup '
+ echo Data for commit0. >a &&
+ git update-index --add a &&
+ tree0=$(git write-tree) &&
+ commit0=$(echo setup | git commit-tree $tree0) &&
+ git update-ref refs/heads/master $commit0 &&
+ git-clone ./. clone1 &&
+ git-clone ./. clone2 &&
+ GIT_DIR=clone2/.git git branch -a new2 &&
+ echo Data for commit1. >clone2/b &&
+ GIT_DIR=clone2/.git git add clone2/b &&
+ GIT_DIR=clone2/.git git commit -m new2
+'
+
+for clone in 1 2; do
+ cat >clone${clone}/.git/hooks/post-checkout <<'EOF'
+#!/bin/sh
+echo $@ > $GIT_DIR/post-checkout.args
+EOF
+ chmod u+x clone${clone}/.git/hooks/post-checkout
+done
+
+test_expect_success 'post-checkout runs as expected ' '
+ GIT_DIR=clone1/.git git checkout master &&
+ test -e clone1/.git/post-checkout.args
+'
+
+test_expect_success 'post-checkout receives the right arguments with HEAD unchanged ' '
+ old=$(awk "{print \$1}" clone1/.git/post-checkout.args) &&
+ new=$(awk "{print \$2}" clone1/.git/post-checkout.args) &&
+ test $old = $new
+'
+
+test_expect_success 'post-checkout runs as expected ' '
+ GIT_DIR=clone1/.git git checkout master &&
+ test -e clone1/.git/post-checkout.args
+'
+
+test_expect_success 'post-checkout args are correct with git checkout -b ' '
+ GIT_DIR=clone1/.git git checkout -b new1 &&
+ old=$(awk "{print \$1}" clone1/.git/post-checkout.args) &&
+ new=$(awk "{print \$2}" clone1/.git/post-checkout.args) &&
+ test $old = $new
+'
+
+test_expect_success 'post-checkout receives the right arguments with HEAD changed ' '
+ GIT_DIR=clone2/.git git checkout new2 &&
+ old=$(awk "{print \$1}" clone2/.git/post-checkout.args) &&
+ new=$(awk "{print \$2}" clone2/.git/post-checkout.args) &&
+ test $old != $new
+'
+
+test_done
--
1.5.3.1.143.gf417e3-dirty
-
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