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-rw-r--r--builtin/add.c45
-rwxr-xr-xt/t2200-add-update.sh24
2 files changed, 30 insertions, 39 deletions
diff --git a/builtin/add.c b/builtin/add.c
index d39a6ab93..704141fdd 100644
--- a/builtin/add.c
+++ b/builtin/add.c
@@ -26,6 +26,27 @@ struct update_callback_data {
int add_errors;
};
+static int fix_unmerged_status(struct diff_filepair *p,
+ struct update_callback_data *data)
+{
+ if (p->status != DIFF_STATUS_UNMERGED)
+ return p->status;
+ if (!(data->flags & ADD_CACHE_IGNORE_REMOVAL) && !p->two->mode)
+ /*
+ * This is not an explicit add request, and the
+ * path is missing from the working tree (deleted)
+ */
+ return DIFF_STATUS_DELETED;
+ else
+ /*
+ * Either an explicit add request, or path exists
+ * in the working tree. An attempt to explicitly
+ * add a path that does not exist in the working tree
+ * will be caught as an error by the caller immediately.
+ */
+ return DIFF_STATUS_MODIFIED;
+}
+
static void update_callback(struct diff_queue_struct *q,
struct diff_options *opt, void *cbdata)
{
@@ -35,30 +56,9 @@ static void update_callback(struct diff_queue_struct *q,
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
const char *path = p->one->path;
- switch (p->status) {
+ switch (fix_unmerged_status(p, data)) {
default:
die(_("unexpected diff status %c"), p->status);
- case DIFF_STATUS_UNMERGED:
- /*
- * ADD_CACHE_IGNORE_REMOVAL is unset if "git
- * add -u" is calling us, In such a case, a
- * missing work tree file needs to be removed
- * if there is an unmerged entry at stage #2,
- * but such a diff record is followed by
- * another with DIFF_STATUS_DELETED (and if
- * there is no stage #2, we won't see DELETED
- * nor MODIFIED). We can simply continue
- * either way.
- */
- if (!(data->flags & ADD_CACHE_IGNORE_REMOVAL))
- continue;
- /*
- * Otherwise, it is "git add path" is asking
- * to explicitly add it; we fall through. A
- * missing work tree file is an error and is
- * caught by add_file_to_index() in such a
- * case.
- */
case DIFF_STATUS_MODIFIED:
case DIFF_STATUS_TYPE_CHANGED:
if (add_file_to_index(&the_index, path, data->flags)) {
@@ -91,6 +91,7 @@ int add_files_to_cache(const char *prefix, const char **pathspec, int flags)
data.flags = flags;
data.add_errors = 0;
rev.diffopt.format_callback_data = &data;
+ rev.max_count = 0; /* do not compare unmerged paths with stage #2 */
run_diff_files(&rev, DIFF_RACY_IS_MODIFIED);
return !!data.add_errors;
}
diff --git a/t/t2200-add-update.sh b/t/t2200-add-update.sh
index 2d7d3115d..4cdebda6a 100755
--- a/t/t2200-add-update.sh
+++ b/t/t2200-add-update.sh
@@ -149,31 +149,21 @@ test_expect_success 'add -u resolves unmerged paths' '
echo 3 >path1 &&
echo 2 >path3 &&
echo 2 >path5 &&
- git add -u &&
- git ls-files -s path1 path2 path3 path4 path5 path6 >actual &&
- {
- echo "100644 $three 0 path1"
- echo "100644 $one 1 path3"
- echo "100644 $one 1 path4"
- echo "100644 $one 3 path5"
- echo "100644 $one 3 path6"
- } >expect &&
- test_cmp expect actual &&
- # Bonus tests. Explicit resolving
- git add path3 path5 &&
+ # Explicit resolving by adding removed paths should fail
test_must_fail git add path4 &&
test_must_fail git add path6 &&
- git rm path4 &&
- git rm path6 &&
- git ls-files -s "path?" >actual &&
+ # "add -u" should notice removals no matter what stages
+ # the index entries are in.
+ git add -u &&
+ git ls-files -s path1 path2 path3 path4 path5 path6 >actual &&
{
echo "100644 $three 0 path1"
echo "100644 $two 0 path3"
echo "100644 $two 0 path5"
- } >expect
-
+ } >expect &&
+ test_cmp expect actual
'
test_expect_success '"add -u non-existent" should fail' '