The logic in 83ae209 (checkout branch: prime cache-tree fully,
2009-04-20) is bogus; checkout can switch branches with a dirty
index and in such a case the tree won't match HEAD.
Add t2014-switch to catch this breakage.
Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
---
builtin-checkout.c | 9 +--------
t/t2014-switch.sh | 28 ++++++++++++++++++++++++++++
2 files changed, 29 insertions(+), 8 deletions(-)
create mode 100755 t/t2014-switch.sh
diff --git a/builtin-checkout.c b/builtin-checkout.c
index 15f0c32..dc4bfb5 100644
--- a/builtin-checkout.c
+++ b/builtin-checkout.c
@@ -365,17 +365,14 @@ static int merge_working_tree(struct checkout_opts *opts,
int ret;
struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
int newfd = hold_locked_index(lock_file, 1);
- int reprime_cache_tree = 0;
if (read_cache() < 0)
return error("corrupt index file");
- cache_tree_free(&active_cache_tree);
if (opts->force) {
ret = reset_tree(new->commit->tree, opts, 1);
if (ret)
return ret;
- reprime_cache_tree = 1;
} else {
struct tree_desc trees[2];
struct tree *tree;
@@ -411,9 +408,7 @@ static int merge_working_tree(struct checkout_opts *opts,
init_tree_desc(&trees[1], tree->buffer, tree->size);
ret = unpack_trees(2, trees, &topts);
- if (ret != -1) {
- reprime_cache_tree = 1;
- } else {
+ if (ret == -1) {
/*
* Unpack couldn't do a trivial merge; either
* give up or do a real merge, depending on
@@ -457,8 +452,6 @@ static int merge_working_tree(struct checkout_opts *opts,
}
}
- if (reprime_cache_tree)
- prime_cache_tree(&active_cache_tree, new->commit->tree);
if (write_cache(newfd, active_cache, active_nr) ||
commit_locked_index(lock_file))
die("unable to write new index file");
diff --git a/t/t2014-switch.sh b/t/t2014-switch.sh
new file mode 100755
index 0000000..ccfb147
--- /dev/null
+++ b/t/t2014-switch.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+test_description='Peter MacMillan'
+. ./test-lib.sh
+
+test_expect_success setup '
+ echo Hello >file &&
+ git add file &&
+ test_tick &&
+ git commit -m V1 &&
+ echo Hello world >file &&
+ git add file &&
+ git checkout -b other
+'
+
+test_expect_success 'check all changes are staged' '
+ git diff --exit-code
+'
+
+test_expect_success 'second commit' '
+ git commit -m V2
+'
+
+test_expect_success 'check' '
+ git diff --cached --exit-code
+'
+
+test_done
--
1.6.3.9.g6345d
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