:(prefix) is in the long form. Suppose people pass :!foo with '!'
being the short form of magic 'bar', the code will happily turn it to
:(prefix..)!foo, which makes '!' part of the path and no longer a magic.
The correct form must be ':(prefix..,bar)foo', but as so far we
haven't had any magic in short form yet (*), the code to convert from
short form to long one will be inactive anyway. Let's postpone it
until a real short form magic appears.
(*) The short form magic '/' is a special case and won't be caught by
this die(), which is correct. When '/' magic is detected, prefixlen is
set back to 0 and the whole "if (prefixlen..)" block is skipped.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
---
fixes on top of nd/magic-pathspec.
pathspec.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/pathspec.c b/pathspec.c
index d9f4143..62fde50 100644
--- a/pathspec.c
+++ b/pathspec.c
@@ -231,7 +231,9 @@ static unsigned prefix_pathspec(struct pathspec_item *item,
const char *start = elt;
if (prefixlen && !literal_global) {
/* Preserve the actual prefix length of each pattern */
- if (long_magic_end) {
+ if (short_magic)
+ die("BUG: prefixing on short magic is not
supported");
+ else if (long_magic_end) {
strbuf_add(&sb, start, long_magic_end - start);
strbuf_addf(&sb, ",prefix:%d", prefixlen);
start = long_magic_end;
--
1.8.2.83.gc99314b
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