sha1_name: Suggest commit:./file for path in subdir

Currently, the "Did you mean..." message suggests "commit:fullpath"
only. Extend this to show the more convenient "commit:./file" form also.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/sha1_name.c b/sha1_name.c
index faea58d..69cd6c8 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -1012,11 +1012,13 @@ static void diagnose_invalid_sha1_path(const char *prefix,
                if (!get_tree_entry(tree_sha1, fullname,
                                    sha1, &mode)) {
                        die("Path '%s' exists, but not '%s'.\n"
-                           "Did you mean '%s:%s'?",
+                           "Did you mean '%s:%s' aka '%s:./%s'?",
                            fullname,
                            filename,
                            object_name,
-                           fullname);
+                           fullname,
+                           object_name,
+                           filename);
                }
                die("Path '%s' does not exist in '%s'",
                    filename, object_name);
@@ -1065,9 +1067,10 @@ static void diagnose_invalid_index_path(int stage,
                if (ce_namelen(ce) == fullnamelen &&
                    !memcmp(ce->name, fullname, fullnamelen))
                        die("Path '%s' is in the index, but not '%s'.\n"
-                           "Did you mean ':%d:%s'?",
+                           "Did you mean ':%d:%s' aka ':%d:./%s'?",
                            fullname, filename,
-                           ce_stage(ce), fullname);
+                           ce_stage(ce), fullname,
+                           ce_stage(ce), filename);
        }
 
        if (!lstat(filename, &st))

diff --git a/t/t1506-rev-parse-diagnosis.sh b/t/t1506-rev-parse-diagnosis.sh
index f9cb202..4a6396f 100755 (executable)
--- a/t/t1506-rev-parse-diagnosis.sh
+++ b/t/t1506-rev-parse-diagnosis.sh
@@ -9,7 +9,7 @@ exec </dev/null
 test_did_you_mean ()
 {
        printf "fatal: Path '$2$3' $4, but not ${5:-'$3'}.\n" >expected &&
-       printf "Did you mean '$1:$2$3'?\n" >>expected &&
+       printf "Did you mean '$1:$2$3'${2:+ aka '$1:./$3'}?\n" >>expected &&
        test_cmp expected error
 }