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-rw-r--r--dir.c115
1 files changed, 88 insertions, 27 deletions
diff --git a/dir.c b/dir.c
index 118ba59..d2a8f06 100644
--- a/dir.c
+++ b/dir.c
@@ -882,6 +882,25 @@ int match_pathname(const char *pathname, int pathlen,
*/
if (!patternlen && !namelen)
return 1;
+ /*
+ * This can happen when we ignore some exclude rules
+ * on directories in other to see if negative rules
+ * may match. E.g.
+ *
+ * /abc
+ * !/abc/def/ghi
+ *
+ * The pattern of interest is "/abc". On the first
+ * try, we should match path "abc" with this pattern
+ * in the "if" statement right above, but the caller
+ * ignores it.
+ *
+ * On the second try with paths within "abc",
+ * e.g. "abc/xyz", we come here and try to match it
+ * with "/abc".
+ */
+ if (!patternlen && namelen && *name == '/')
+ return 1;
}
return fnmatch_icase_mem(pattern, patternlen,
@@ -890,6 +909,48 @@ int match_pathname(const char *pathname, int pathlen,
}
/*
+ * Return non-zero if pathname is a directory and an ancestor of the
+ * literal path in a (negative) pattern. This is used to keep
+ * descending in "foo" and "foo/bar" when the pattern is
+ * "!foo/bar/.gitignore". "foo/notbar" will not be descended however.
+ */
+static int match_neg_path(const char *pathname, int pathlen, int *dtype,
+ const char *base, int baselen,
+ const char *pattern, int prefix, int patternlen,
+ int flags)
+{
+ assert((flags & EXC_FLAG_NEGATIVE) && !(flags & EXC_FLAG_NODIR));
+
+ if (*dtype == DT_UNKNOWN)
+ *dtype = get_dtype(NULL, pathname, pathlen);
+ if (*dtype != DT_DIR)
+ return 0;
+
+ if (*pattern == '/') {
+ pattern++;
+ patternlen--;
+ prefix--;
+ }
+
+ if (baselen) {
+ if (((pathlen < baselen && base[pathlen] == '/') ||
+ pathlen == baselen) &&
+ !strncmp_icase(pathname, base, pathlen))
+ return 1;
+ pathname += baselen + 1;
+ pathlen -= baselen + 1;
+ }
+
+
+ if (prefix &&
+ ((pathlen < prefix && pattern[pathlen] == '/') &&
+ !strncmp_icase(pathname, pattern, pathlen)))
+ return 1;
+
+ return 0;
+}
+
+/*
* Scan the given exclude list in reverse to see whether pathname
* should be ignored. The first match (i.e. the last on the list), if
* any, determines the fate. Returns the exclude_list element which
@@ -901,7 +962,8 @@ static struct exclude *last_exclude_matching_from_list(const char *pathname,
int *dtype,
struct exclude_list *el)
{
- int i;
+ struct exclude *exc = NULL; /* undecided */
+ int i, matched_negative_path = 0;
if (!el->nr)
return NULL; /* undefined */
@@ -922,18 +984,33 @@ static struct exclude *last_exclude_matching_from_list(const char *pathname,
if (match_basename(basename,
pathlen - (basename - pathname),
exclude, prefix, x->patternlen,
- x->flags))
- return x;
+ x->flags)) {
+ exc = x;
+ break;
+ }
continue;
}
assert(x->baselen == 0 || x->base[x->baselen - 1] == '/');
if (match_pathname(pathname, pathlen,
x->base, x->baselen ? x->baselen - 1 : 0,
+ exclude, prefix, x->patternlen, x->flags)) {
+ exc = x;
+ break;
+ }
+
+ if ((x->flags & EXC_FLAG_NEGATIVE) && !matched_negative_path &&
+ match_neg_path(pathname, pathlen, dtype, x->base,
+ x->baselen ? x->baselen - 1 : 0,
exclude, prefix, x->patternlen, x->flags))
- return x;
+ matched_negative_path = 1;
}
- return NULL; /* undecided */
+ if (exc &&
+ !(exc->flags & EXC_FLAG_NEGATIVE) &&
+ !(exc->flags & EXC_FLAG_NODIR) &&
+ matched_negative_path)
+ exc = NULL;
+ return exc;
}
/*
@@ -1202,29 +1279,15 @@ enum exist_status {
*/
static enum exist_status directory_exists_in_index_icase(const char *dirname, int len)
{
- const struct cache_entry *ce = cache_dir_exists(dirname, len);
- unsigned char endchar;
+ struct cache_entry *ce;
- if (!ce)
- return index_nonexistent;
- endchar = ce->name[len];
-
- /*
- * The cache_entry structure returned will contain this dirname
- * and possibly additional path components.
- */
- if (endchar == '/')
+ if (cache_dir_exists(dirname, len))
return index_directory;
- /*
- * If there are no additional path components, then this cache_entry
- * represents a submodule. Submodules, despite being directories,
- * are stored in the cache without a closing slash.
- */
- if (!endchar && S_ISGITLINK(ce->ce_mode))
+ ce = cache_file_exists(dirname, len, ignore_case);
+ if (ce && S_ISGITLINK(ce->ce_mode))
return index_gitdir;
- /* This should never be hit, but it exists just in case. */
return index_nonexistent;
}
@@ -1519,8 +1582,7 @@ static enum path_treatment treat_path_fast(struct dir_struct *dir,
}
strbuf_addstr(path, cdir->ucd->name);
/* treat_one_path() does this before it calls treat_directory() */
- if (path->buf[path->len - 1] != '/')
- strbuf_addch(path, '/');
+ strbuf_complete(path, '/');
if (cdir->ucd->check_only)
/*
* check_only is set as a result of treat_directory() getting
@@ -2135,8 +2197,7 @@ static int remove_dir_recurse(struct strbuf *path, int flag, int *kept_up)
else
return -1;
}
- if (path->buf[original_len - 1] != '/')
- strbuf_addch(path, '/');
+ strbuf_complete(path, '/');
len = path->len;
while ((e = readdir(dir)) != NULL) {