verify_dotfile: mention case-insensitivity in comment

diff --git a/read-cache.c b/read-cache.c
index 6238df448f8d7954b28630749336eceab70c67f3..333e0c542967814fcb3e71fd4cec973548b4f567 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -810,8 +810,10 @@ static int verify_dotfile(const char *rest)
 
        switch (*rest) {
        /*
-        * ".git" followed by  NUL or slash is bad. This
-        * shares the path end test with the ".." case.
+        * ".git" followed by NUL or slash is bad. Note that we match
+        * case-insensitively here, even if ignore_case is not set.
+        * This outlaws ".GIT" everywhere out of an abundance of caution,
+        * since there's really no good reason to allow it.
         */
        case 'g':
        case 'G':
@@ -819,8 +821,9 @@ static int verify_dotfile(const char *rest)
                        break;
                if (rest[2] != 't' && rest[2] != 'T')
                        break;
-               rest += 2;
-       /* fallthrough */
+               if (rest[3] == '\0' || is_dir_sep(rest[3]))
+                       return 0;
+               break;
        case '.':
                if (rest[1] == '\0' || is_dir_sep(rest[1]))
                        return 0;