Merge branch 'jk/blame-fake-commit-label'

The output given by "git blame" that attributes a line to contents
taken from the file specified by the "--contents" option shows it
differently from a line attributed to the working tree file.

* jk/blame-fake-commit-label:
  blame: use different author name for fake commit generated by --contents

Author: gitster

Documentation/blame-options.txt

@@ -64,11 +64,9 @@ include::line-range-format.txt[]
 	manual page.
 
 --contents <file>::
-	Pretend the file being annotated has a commit with the
-	contents from the named file and a parent of <rev>,
-	defaulting to HEAD when no <rev> is specified. You may
-	specify '-' to make the command read from the standard
-	input for the file contents.
+	Annotate using the contents from the named file, starting from <rev>
+	if it is specified, and HEAD otherwise. You may specify '-' to make
+	the command read from the standard input for the file contents.
 
 --date <format>::
 	Specifies the format used to output dates. If --date is not

blame.c

@@ -208,8 +208,12 @@ static struct commit *fake_working_tree_commit(struct repository *r,
 
 	origin = make_origin(commit, path);
 
-	ident = fmt_ident("Not Committed Yet", "not.committed.yet",
-			WANT_BLANK_IDENT, NULL, 0);
+	if (contents_from)
+		ident = fmt_ident("External file (--contents)", "external.file",
+				  WANT_BLANK_IDENT, NULL, 0);
+	else
+		ident = fmt_ident("Not Committed Yet", "not.committed.yet",
+				  WANT_BLANK_IDENT, NULL, 0);
 	strbuf_addstr(&msg, "tree 0000000000000000000000000000000000000000\n");
 	for (parent = commit->parents; parent; parent = parent->next)
 		strbuf_addf(&msg, "parent %s\n",

t/annotate-tests.sh

@@ -72,14 +72,21 @@ test_expect_success 'blame 1 author' '
 	check_count A 2
 '
 
+test_expect_success 'blame working copy' '
+	test_when_finished "git restore file" &&
+	echo "1A quick brown fox jumps over the" >file &&
+	echo "another lazy dog" >>file &&
+	check_count A 1 "Not Committed Yet" 1
+'
+
 test_expect_success 'blame with --contents' '
 	check_count --contents=file A 2
 '
 
 test_expect_success 'blame with --contents changed' '
 	echo "1A quick brown fox jumps over the" >contents &&
 	echo "another lazy dog" >>contents &&
-	check_count --contents=contents A 1 "Not Committed Yet" 1
+	check_count --contents=contents A 1 "External file (--contents)" 1
 '
 
 test_expect_success 'blame in a bare repo without starting commit' '
@@ -109,7 +116,7 @@ test_expect_success 'blame 2 authors' '
 '
 
 test_expect_success 'blame with --contents and revision' '
-	check_count -h testTag --contents=file A 2 "Not Committed Yet" 2
+	check_count -h testTag --contents=file A 2 "External file (--contents)" 2
 '
 
 test_expect_success 'setup B1 lines (branch1)' '