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authorJunio C Hamano <junkio@cox.net>2007-03-29 08:02:50 (GMT)
committerJunio C Hamano <junkio@cox.net>2007-05-12 19:35:54 (GMT)
commitfdc99cbbdcdcf4ee2c336f02b7b2dbcb11696392 (patch)
tree65874f71fe48a9bc14a70633f43ae6ec39003f3d
parentcbb84e5d174cf33fd4dcf3136de50a886ff9a2e2 (diff)
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checkout: allow detaching to HEAD even when switching to the tip of a branch
You cannot currently checkout the tip of an existing branch without moving to the branch. This allows you to detach your HEAD and place it at such a commit, with: $ git checkout master^0 Signed-off-by: Junio C Hamano <junkio@cox.net>
-rwxr-xr-xgit-checkout.sh4
-rwxr-xr-xt/t7201-co.sh63
2 files changed, 64 insertions, 3 deletions
diff --git a/git-checkout.sh b/git-checkout.sh
index a7390e8..deb0a9a 100755
--- a/git-checkout.sh
+++ b/git-checkout.sh
@@ -170,7 +170,7 @@ describe_detached_head () {
}
}
-if test -z "$branch$newbranch" && test "$new" != "$old"
+if test -z "$branch$newbranch" && test "$new_name" != "$old_name"
then
detached="$new"
if test -n "$oldbranch" && test -z "$quiet"
@@ -180,7 +180,7 @@ If you want to create a new branch from this checkout, you may do so
(now or later) by using -b with the checkout command again. Example:
git checkout -b <new_branch_name>"
fi
-elif test -z "$oldbranch"
+elif test -z "$oldbranch" && test "$new" != "$old"
then
describe_detached_head 'Previous HEAD position was' "$old"
fi
diff --git a/t/t7201-co.sh b/t/t7201-co.sh
index 867bbd2..5fa6a45 100755
--- a/t/t7201-co.sh
+++ b/t/t7201-co.sh
@@ -3,7 +3,20 @@
# Copyright (c) 2006 Junio C Hamano
#
-test_description='git-checkout tests.'
+test_description='git-checkout tests.
+
+Creates master, forks renamer and side branches from it.
+Test switching across them.
+
+ ! [master] Initial A one, A two
+ * [renamer] Renamer R one->uno, M two
+ ! [side] Side M one, D two, A three
+ ---
+ + [side] Side M one, D two, A three
+ * [renamer] Renamer R one->uno, M two
+ +*+ [master] Initial A one, A two
+
+'
. ./test-lib.sh
@@ -129,4 +142,52 @@ test_expect_success 'checkout -m with merge conflict' '
! test -s current
'
+test_expect_success 'checkout to detach HEAD' '
+
+ git checkout -f renamer && git clean &&
+ git checkout renamer^ &&
+ H=$(git rev-parse --verify HEAD) &&
+ M=$(git show-ref -s --verify refs/heads/master) &&
+ test "z$H" = "z$M" &&
+ if git symbolic-ref HEAD >/dev/null 2>&1
+ then
+ echo "OOPS, HEAD is still symbolic???"
+ false
+ else
+ : happy
+ fi
+'
+
+test_expect_success 'checkout to detach HEAD with branchname^' '
+
+ git checkout -f master && git clean &&
+ git checkout renamer^ &&
+ H=$(git rev-parse --verify HEAD) &&
+ M=$(git show-ref -s --verify refs/heads/master) &&
+ test "z$H" = "z$M" &&
+ if git symbolic-ref HEAD >/dev/null 2>&1
+ then
+ echo "OOPS, HEAD is still symbolic???"
+ false
+ else
+ : happy
+ fi
+'
+
+test_expect_success 'checkout to detach HEAD with HEAD^0' '
+
+ git checkout -f master && git clean &&
+ git checkout HEAD^0 &&
+ H=$(git rev-parse --verify HEAD) &&
+ M=$(git show-ref -s --verify refs/heads/master) &&
+ test "z$H" = "z$M" &&
+ if git symbolic-ref HEAD >/dev/null 2>&1
+ then
+ echo "OOPS, HEAD is still symbolic???"
+ false
+ else
+ : happy
+ fi
+'
+
test_done