This allows us to replace the submodule path trailing slash removal in
builtin/rm.c with the PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP flag to
parse_pathspec() without changing the behaviour with respect to multiple
trailing slashes.
Signed-off-by: John Keeping <j...@keeping.me.uk>
---
pathspec.c | 27 +++++++++++++++++----------
1 file changed, 17 insertions(+), 10 deletions(-)
diff --git a/pathspec.c b/pathspec.c
index 7c6963b..11b031a 100644
--- a/pathspec.c
+++ b/pathspec.c
@@ -251,12 +251,16 @@ static unsigned prefix_pathspec(struct pathspec_item
*item,
item->len = strlen(item->match);
item->prefix = prefixlen;
- if ((flags & PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP) &&
- (item->len >= 1 && is_dir_sep(item->match[item->len - 1])) &&
- (i = cache_name_pos(item->match, item->len - 1)) >= 0 &&
- S_ISGITLINK(active_cache[i]->ce_mode)) {
- item->len--;
- match[item->len] = '\0';
+ if (flags & PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP) {
+ size_t pathlen = item->len;
+ while (pathlen > 0 && is_dir_sep(item->match[pathlen - 1]))
+ pathlen--;
+
+ if ((i = cache_name_pos(item->match, pathlen)) >= 0 &&
+ S_ISGITLINK(active_cache[i]->ce_mode)) {
+ item->len = pathlen;
+ match[item->len] = '\0';
+ }
}
if (flags & PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE)
@@ -271,11 +275,14 @@ static unsigned prefix_pathspec(struct pathspec_item
*item,
!is_dir_sep(match[ce_len]) ||
memcmp(ce->name, match, ce_len))
continue;
- if (item->len == ce_len + 1) {
- /* strip trailing slash */
+
+ while (item->len > 0 && is_dir_sep(match[item->len -
1]))
item->len--;
- match[item->len] = '\0';
- } else
+
+ /* strip trailing slash */
+ match[item->len] = '\0';
+
+ if (item->len != ce_len)
die (_("Pathspec '%s' is in submodule '%.*s'"),
elt, ce_len, ce->name);
}
--
1.8.4.277.gfbd6843.dirty
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