For projects with separate history lines and, thus, multiple root-commits, the
linear arrangement of `git log --graph --oneline` does not allow the user to
spot where the sequence ends, giving the impression that it's a contiguous
history. E.g.
History sequence A: a1 -- a2 -- a3 (root-commit)
History sequence B: b1 -- b2 -- b3 (root-commit)
git log --graph --oneline
* a1
* a2
* a3
* b1
* b2
* b3
In a GUI tool, the root-commit of each series would stand out on the graph.
This modification changes the commit char to a different symbol ('x'), so users
of the command-line graph tool can easily identify root-commits and make sense
of where each series is limited to.
git log --graph --oneline
* a1
* a2
x a3
* b1
* b2
x b3
Signed-off-by: Milton Soares Filho <[email protected]>
---
graph.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/graph.c b/graph.c
index b24d04c..ec8e960 100644
--- a/graph.c
+++ b/graph.c
@@ -780,6 +780,15 @@ static void graph_output_commit_char(struct git_graph
*graph, struct strbuf *sb)
}
/*
+ * Out-stand parentless commits to enforce non-continuity on subsequent
+ * but separate series
+ */
+ if (graph->commit->parents == NULL) {
+ strbuf_addch(sb, 'x');
+ return;
+ }
+
+ /*
* get_revision_mark() handles all other cases without assert()
*/
strbuf_addstr(sb, get_revision_mark(graph->revs, graph->commit));
--
1.8.1.2
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