Sync with 1.8.1.6

6 files changed, 99 insertions, 21 deletions

diff --git a/Documentation/RelNotes/1.8.1.6.txt b/Documentation/RelNotes/1.8.1.6.txt
index d9de639..c15cf2e 100644
--- a/Documentation/RelNotes/1.8.1.6.txt
+++ b/Documentation/RelNotes/1.8.1.6.txt
@@ -4,6 +4,11 @@ Git 1.8.1.6 Release Notes
 Fixes since v1.8.1.5
 --------------------
 
+ * An earlier change to the attribute system introduced at v1.8.1.2 by
+   mistake stopped a pattern "dir" (without trailing slash) from
+   matching a directory "dir" (it only wanted to allow pattern "dir/"
+   to also match).
+
  * The code to keep track of what directory names are known to Git on
    platforms with case insensitive filesystems can get confused upon a
    hash collision between these pathnames and looped forever.
diff --git a/Documentation/git.txt b/Documentation/git.txt
index 4307d62..5a61788 100644
--- a/Documentation/git.txt
+++ b/Documentation/git.txt
@@ -48,9 +48,10 @@ Documentation for older releases are available here:
 * release notes for
   link:RelNotes/1.8.2.txt[1.8.2].
 
-* link:v1.8.1.5/git.html[documentation for release 1.8.1.5]
+* link:v1.8.1.6/git.html[documentation for release 1.8.1.6]
 
 * release notes for
+  link:RelNotes/1.8.1.6.txt[1.8.1.6],
   link:RelNotes/1.8.1.5.txt[1.8.1.5],
   link:RelNotes/1.8.1.4.txt[1.8.1.4],
   link:RelNotes/1.8.1.3.txt[1.8.1.3],
diff --git a/attr.c b/attr.c
index e2f9377..689bc2a 100644
--- a/attr.c
+++ b/attr.c
@@ -657,24 +657,24 @@ static void prepare_attr_stack(const char *path, int dirlen)
 }
 
 static int path_matches(const char *pathname, int pathlen,
-			const char *basename,
+			int basename_offset,
 			const struct pattern *pat,
 			const char *base, int baselen)
 {
 	const char *pattern = pat->pattern;
 	int prefix = pat->nowildcardlen;
+	int isdir = (pathlen && pathname[pathlen - 1] == '/');
 
-	if ((pat->flags & EXC_FLAG_MUSTBEDIR) &&
-	    ((!pathlen) || (pathname[pathlen-1] != '/')))
+	if ((pat->flags & EXC_FLAG_MUSTBEDIR) && !isdir)
 		return 0;
 
 	if (pat->flags & EXC_FLAG_NODIR) {
-		return match_basename(basename,
-				      pathlen - (basename - pathname),
+		return match_basename(pathname + basename_offset,
+				      pathlen - basename_offset - isdir,
 				      pattern, prefix,
 				      pat->patternlen, pat->flags);
 	}
-	return match_pathname(pathname, pathlen,
+	return match_pathname(pathname, pathlen - isdir,
 			      base, baselen,
 			      pattern, prefix, pat->patternlen, pat->flags);
 }
@@ -703,7 +703,7 @@ static int fill_one(const char *what, struct match_attr *a, int rem)
 	return rem;
 }
 
-static int fill(const char *path, int pathlen, const char *basename,
+static int fill(const char *path, int pathlen, int basename_offset,
 		struct attr_stack *stk, int rem)
 {
 	int i;
@@ -713,7 +713,7 @@ static int fill(const char *path, int pathlen, const char *basename,
 		struct match_attr *a = stk->attrs[i];
 		if (a->is_macro)
 			continue;
-		if (path_matches(path, pathlen, basename,
+		if (path_matches(path, pathlen, basename_offset,
 				 &a->u.pat, base, stk->originlen))
 			rem = fill_one("fill", a, rem);
 	}
@@ -752,7 +752,8 @@ static void collect_all_attrs(const char *path)
 {
 	struct attr_stack *stk;
 	int i, pathlen, rem, dirlen;
-	const char *basename, *cp, *last_slash = NULL;
+	const char *cp, *last_slash = NULL;
+	int basename_offset;
 
 	for (cp = path; *cp; cp++) {
 		if (*cp == '/' && cp[1])
@@ -760,10 +761,10 @@ static void collect_all_attrs(const char *path)
 	}
 	pathlen = cp - path;
 	if (last_slash) {
-		basename = last_slash + 1;
+		basename_offset = last_slash + 1 - path;
 		dirlen = last_slash - path;
 	} else {
-		basename = path;
+		basename_offset = 0;
 		dirlen = 0;
 	}
 
@@ -773,7 +774,7 @@ static void collect_all_attrs(const char *path)
 
 	rem = attr_nr;
 	for (stk = attr_stack; 0 < rem && stk; stk = stk->prev)
-		rem = fill(path, pathlen, basename, stk, rem);
+		rem = fill(path, pathlen, basename_offset, stk, rem);
 }
 
 int git_check_attr(const char *path, int num, struct git_attr_check *check)
diff --git a/contrib/remote-helpers/test-hg.sh b/contrib/remote-helpers/test-hg.sh
index 5f81dfa..7bb81f2 100755
--- a/contrib/remote-helpers/test-hg.sh
+++ b/contrib/remote-helpers/test-hg.sh
@@ -115,7 +115,7 @@ test_expect_success 'update bookmark' '
   git push
   ) &&
 
-  hg -R hgrepo bookmarks | grep "devel\s\+3:"
+  hg -R hgrepo bookmarks | egrep "devel[	 ]+3:"
 '
 
 test_done
diff --git a/dir.c b/dir.c
index 57394e4..1e42b2b 100644
--- a/dir.c
+++ b/dir.c
@@ -59,6 +59,35 @@ inline int git_fnmatch(const char *pattern, const char *string,
 	return fnmatch(pattern, string, fnm_flags);
 }
 
+static int fnmatch_icase_mem(const char *pattern, int patternlen,
+			     const char *string, int stringlen,
+			     int flags)
+{
+	int match_status;
+	struct strbuf pat_buf = STRBUF_INIT;
+	struct strbuf str_buf = STRBUF_INIT;
+	const char *use_pat = pattern;
+	const char *use_str = string;
+
+	if (pattern[patternlen]) {
+		strbuf_add(&pat_buf, pattern, patternlen);
+		use_pat = pat_buf.buf;
+	}
+	if (string[stringlen]) {
+		strbuf_add(&str_buf, string, stringlen);
+		use_str = str_buf.buf;
+	}
+
+	if (ignore_case)
+		flags |= WM_CASEFOLD;
+	match_status = wildmatch(use_pat, use_str, flags, NULL);
+
+	strbuf_release(&pat_buf);
+	strbuf_release(&str_buf);
+
+	return match_status;
+}
+
 static size_t common_prefix_len(const char **pathspec)
 {
 	const char *n, *first;
@@ -626,15 +655,20 @@ int match_basename(const char *basename, int basenamelen,
 		   int flags)
 {
 	if (prefix == patternlen) {
-		if (!strcmp_icase(pattern, basename))
+		if (patternlen == basenamelen &&
+		    !strncmp_icase(pattern, basename, basenamelen))
 			return 1;
 	} else if (flags & EXC_FLAG_ENDSWITH) {
+		/* "*literal" matching against "fooliteral" */
 		if (patternlen - 1 <= basenamelen &&
-		    !strcmp_icase(pattern + 1,
-				  basename + basenamelen - patternlen + 1))
+		    !strncmp_icase(pattern + 1,
+				   basename + basenamelen - (patternlen - 1),
+				   patternlen - 1))
 			return 1;
 	} else {
-		if (fnmatch_icase(pattern, basename, 0) == 0)
+		if (fnmatch_icase_mem(pattern, patternlen,
+				      basename, basenamelen,
+				      0) == 0)
 			return 1;
 	}
 	return 0;
@@ -654,6 +688,7 @@ int match_pathname(const char *pathname, int pathlen,
 	 */
 	if (*pattern == '/') {
 		pattern++;
+		patternlen--;
 		prefix--;
 	}
 
@@ -680,13 +715,22 @@ int match_pathname(const char *pathname, int pathlen,
 		if (strncmp_icase(pattern, name, prefix))
 			return 0;
 		pattern += prefix;
+		patternlen -= prefix;
 		name    += prefix;
 		namelen -= prefix;
+
+		/*
+		 * If the whole pattern did not have a wildcard,
+		 * then our prefix match is all we need; we
+		 * do not need to call fnmatch at all.
+		 */
+		if (!patternlen && !namelen)
+			return 1;
 	}
 
-	return wildmatch(pattern, name,
-			 WM_PATHNAME | (ignore_case ? WM_CASEFOLD : 0),
-			 NULL) == 0;
+	return fnmatch_icase_mem(pattern, patternlen,
+				 name, namelen,
+				 WM_PATHNAME) == 0;
 }
 
 /*
diff --git a/t/t5002-archive-attr-pattern.sh b/t/t5002-archive-attr-pattern.sh
index 0c847fb..6667d15 100755
--- a/t/t5002-archive-attr-pattern.sh
+++ b/t/t5002-archive-attr-pattern.sh
@@ -27,6 +27,25 @@ test_expect_success 'setup' '
 	echo ignored-only-if-dir/ export-ignore >>.git/info/attributes &&
 	git add ignored-only-if-dir &&
 
+	mkdir -p ignored-without-slash &&
+	echo "ignored without slash" >ignored-without-slash/foo &&
+	git add ignored-without-slash/foo &&
+	echo "ignored-without-slash export-ignore" >>.git/info/attributes &&
+
+	mkdir -p wildcard-without-slash &&
+	echo "ignored without slash" >wildcard-without-slash/foo &&
+	git add wildcard-without-slash/foo &&
+	echo "wild*-without-slash export-ignore" >>.git/info/attributes &&
+
+	mkdir -p deep/and/slashless &&
+	echo "ignored without slash" >deep/and/slashless/foo &&
+	git add deep/and/slashless/foo &&
+	echo "deep/and/slashless export-ignore" >>.git/info/attributes &&
+
+	mkdir -p deep/with/wildcard &&
+	echo "ignored without slash" >deep/with/wildcard/foo &&
+	git add deep/with/wildcard/foo &&
+	echo "deep/*t*/wildcard export-ignore" >>.git/info/attributes &&
 
 	mkdir -p one-level-lower/two-levels-lower/ignored-only-if-dir &&
 	echo ignored by ignored dir >one-level-lower/two-levels-lower/ignored-only-if-dir/ignored-by-ignored-dir &&
@@ -49,6 +68,14 @@ test_expect_exists	archive/not-ignored-dir/ignored-only-if-dir
 test_expect_exists	archive/not-ignored-dir/
 test_expect_missing	archive/ignored-only-if-dir/
 test_expect_missing	archive/ignored-ony-if-dir/ignored-by-ignored-dir
+test_expect_missing	archive/ignored-without-slash/ &&
+test_expect_missing	archive/ignored-without-slash/foo &&
+test_expect_missing	archive/wildcard-without-slash/
+test_expect_missing	archive/wildcard-without-slash/foo &&
+test_expect_missing	archive/deep/and/slashless/ &&
+test_expect_missing	archive/deep/and/slashless/foo &&
+test_expect_missing	archive/deep/with/wildcard/ &&
+test_expect_missing	archive/deep/with/wildcard/foo &&
 test_expect_exists	archive/one-level-lower/
 test_expect_missing	archive/one-level-lower/two-levels-lower/ignored-only-if-dir/
 test_expect_missing	archive/one-level-lower/two-levels-lower/ignored-ony-if-dir/ignored-by-ignored-dir