sha1_name.c: get rid of get_sha1_with_mode_1()

The only external caller is setup.c that tries to give a nicer error
message when an object name is misspelt (e.g. "HEAD:cashe.h").
Retire it and give the caller a dedicated and more intuitive API
function maybe_die_on_misspelt_object_name().

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/cache.h b/cache.h
index 9ee470ce12393ec6a4ce4e4ecdb7f2a8b9d895ba..beafa5b0c99dbc9b62e6a2f072e550ec4cb83b79 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -812,11 +812,8 @@ struct object_context {
 };
 
 extern int get_sha1(const char *str, unsigned char *sha1);
-extern int get_sha1_with_mode_1(const char *str, unsigned char *sha1, unsigned *mode, int only_to_die, const char *prefix);
-static inline int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode)
-{
-       return get_sha1_with_mode_1(str, sha1, mode, 0, NULL);
-}
+extern int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode);
+extern void maybe_die_on_misspelt_object_name(const char *name, const char *prefix);
 extern int get_sha1_with_context(const char *str, unsigned char *sha1, struct object_context *orc);
 
 /*

diff --git a/setup.c b/setup.c
index 61c22e6becc1e49f1e92c916a4b8badd30a9cb2f..233bfbe9203058d4091a42fa8fd5231f0285c839 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -55,18 +55,14 @@ int check_filename(const char *prefix, const char *arg)
 
 static void NORETURN die_verify_filename(const char *prefix, const char *arg)
 {
-       unsigned char sha1[20];
-       unsigned mode;
-
        /*
         * Saying "'(icase)foo' does not exist in the index" when the
         * user gave us ":(icase)foo" is just stupid.  A magic pathspec
         * begins with a colon and is followed by a non-alnum; do not
-        * let get_sha1_with_mode_1(only_to_die=1) to even trigger.
+        * let maybe_die_on_misspelt_object_name() even trigger.
         */
        if (!(arg[0] == ':' && !isalnum(arg[1])))
-               /* try a detailed diagnostic ... */
-               get_sha1_with_mode_1(arg, sha1, &mode, 1, prefix);
+               maybe_die_on_misspelt_object_name(arg, prefix);
 
        /* ... or fall back the most general message. */
        die("ambiguous argument '%s': unknown revision or path not in the working tree.\n"

diff --git a/sha1_name.c b/sha1_name.c
index 10932bfe1d3f6bcc5ebe08283daf0dcde008b1b7..df583c25bc9f757327b8d08ad10965f43477e08a 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -1125,12 +1125,24 @@ static int get_sha1_with_context_1(const char *name, unsigned char *sha1,
        return ret;
 }
 
-int get_sha1_with_mode_1(const char *name, unsigned char *sha1, unsigned *mode,
-                        int only_to_die, const char *prefix)
+/*
+ * Call this function when you know "name" given by the end user must
+ * name an object but it doesn't; the function _may_ die with a better
+ * diagnostic message than "no such object 'name'", e.g. "Path 'doc' does not
+ * exist in 'HEAD'" when given "HEAD:doc", or it may return in which case
+ * you have a chance to diagnose the error further.
+ */
+void maybe_die_on_misspelt_object_name(const char *name, const char *prefix)
 {
        struct object_context oc;
-       int ret;
-       ret = get_sha1_with_context_1(name, sha1, &oc, only_to_die, prefix);
+       unsigned char sha1[20];
+       get_sha1_with_context_1(name, sha1, &oc, 1, prefix);
+}
+
+int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode)
+{
+       struct object_context oc;
+       int ret = get_sha1_with_context_1(str, sha1, &oc, 0, NULL);
        *mode = oc.mode;
        return ret;
 }