diff options
Diffstat (limited to 'unpack-trees.c')
| -rw-r--r-- | unpack-trees.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/unpack-trees.c b/unpack-trees.c index f25089b878..cfa88bb6ec 100644 --- a/unpack-trees.c +++ b/unpack-trees.c @@ -336,6 +336,46 @@ static struct progress *get_progress(struct unpack_trees_options *o) return start_delayed_progress(_("Checking out files"), total); } +static void setup_collided_checkout_detection(struct checkout *state, + struct index_state *index) +{ + int i; + + state->clone = 1; + for (i = 0; i < index->cache_nr; i++) + index->cache[i]->ce_flags &= ~CE_MATCHED; +} + +static void report_collided_checkout(struct index_state *index) +{ + struct string_list list = STRING_LIST_INIT_NODUP; + int i; + + for (i = 0; i < index->cache_nr; i++) { + struct cache_entry *ce = index->cache[i]; + + if (!(ce->ce_flags & CE_MATCHED)) + continue; + + string_list_append(&list, ce->name); + ce->ce_flags &= ~CE_MATCHED; + } + + list.cmp = fspathcmp; + string_list_sort(&list); + + if (list.nr) { + warning(_("the following paths have collided (e.g. case-sensitive paths\n" + "on a case-insensitive filesystem) and only one from the same\n" + "colliding group is in the working tree:\n")); + + for (i = 0; i < list.nr; i++) + fprintf(stderr, " '%s'\n", list.items[i].string); + } + + string_list_clear(&list, 0); +} + static int check_updates(struct unpack_trees_options *o) { unsigned cnt = 0; @@ -350,6 +390,9 @@ static int check_updates(struct unpack_trees_options *o) state.refresh_cache = 1; state.istate = index; + if (o->clone) + setup_collided_checkout_detection(&state, index); + progress = get_progress(o); if (o->update) @@ -414,6 +457,10 @@ static int check_updates(struct unpack_trees_options *o) errs |= finish_delayed_checkout(&state); if (o->update) git_attr_set_direction(GIT_ATTR_CHECKIN); + + if (o->clone) + report_collided_checkout(index); + return errs != 0; } |