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[RFC,09/13] walken: demonstrate reversing a revision walk list

Message ID 20190607010811.52944-10-emilyshaffer@google.com (mailing list archive)
State New, archived
Headers show
Series example implementation of revwalk tutorial | expand

Commit Message

Emily Shaffer June 7, 2019, 1:08 a.m. UTC 
The final installment in the tutorial about sorting revision walk
outputs. This commit reverses the commit list, so that we see newer
commits last (handy since we aren't using a pager).

It's important to note that rev->reverse needs to be set after
add_head_to_pending() or before setup_revisions(). (This is mentioned in
the accompanying tutorial.)

Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
---
 builtin/walken.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/builtin/walken.c b/builtin/walken.c
index 716d31f04e..86c8d29c48 100644
--- a/builtin/walken.c
+++ b/builtin/walken.c
@@ -61,6 +61,9 @@  static void final_rev_info_setup(int argc, const char **argv, const char *prefix
 	
 	/* add the HEAD to pending so we can start */
 	add_head_to_pending(rev);
+
+	/* Reverse the order */
+	rev->reverse = 1;
 	
 	/* Let's play with the sort order. */
 	rev->topo_order = 1;