On Mon, Feb 07, 2011 at 03:37:15PM -0800, Junio C Hamano wrote:
> > Subject: commit: document --detach synonym for "git checkout foo^{commit}"
> >
> > For example, one might use this when making a temporary merge to test
> > that two topics work well together.
> >
> > This patch just documents the option. It is not meant for application
> > without an implementation and tests for the option.
>
> On top of v1.7.3.5-1-g0cb6ad3 (uk/checkout-ambiguous-ref)...
Well, I started on tests and your email came just as I was about to
actually implement. So here are the tests. We didn't seem to have any
explicit checkout-detached tests before, so I tried to cover existing
methods in addition to the new option (which means Martin will need to
tweak one of the tests below when implementing his proposal).
Jonathan, do you want to roll all of these up into a single patch?
---
t/t2020-checkout-detach.sh | 62 ++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 62 insertions(+), 0 deletions(-)
create mode 100755 t/t2020-checkout-detach.sh
diff --git a/t/t2020-checkout-detach.sh b/t/t2020-checkout-detach.sh
new file mode 100755
index 0000000..886e186
--- /dev/null
+++ b/t/t2020-checkout-detach.sh
@@ -0,0 +1,62 @@
+#!/bin/sh
+
+test_description='checkout into detached HEAD state'
+. ./test-lib.sh
+
+check_detached() {
+ ! git symbolic-ref -q HEAD >/dev/null
+}
+
+check_not_detached() {
+ ! check_detached
+}
+
+reset() {
+ git checkout master &&
+ check_not_detached
+}
+
+test_expect_success 'setup' '
+ test_commit one &&
+ test_commit two &&
+ git branch branch &&
+ git tag tag
+'
+
+test_expect_success 'checkout branch does not detach' '
+ reset &&
+ git checkout branch &&
+ check_not_detached
+'
+
+test_expect_success 'checkout tag detaches' '
+ reset &&
+ git checkout tag &&
+ check_detached
+'
+
+test_expect_success 'checkout branch by full name detaches' '
+ reset &&
+ git checkout refs/heads/branch &&
+ check_detached
+'
+
+test_expect_success 'checkout non-ref detaches' '
+ reset &&
+ git checkout branch^ &&
+ check_detached
+'
+
+test_expect_success 'checkout ref^0 detaches' '
+ reset &&
+ git checkout branch^0 &&
+ check_detached
+'
+
+test_expect_success 'checkout --detach detaches' '
+ reset &&
+ git checkout --detach branch &&
+ check_detached
+'
+
+test_done
--
1.7.4.rc2.27.gd0787
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