Will be useful for the next commits.

Signed-off-by: Felipe Contreras <felipe.contre...@gmail.com>
---
 sequencer.c | 22 +++++++++++++++++++++-
 sequencer.h |  1 +
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/sequencer.c b/sequencer.c
index d0e65de..468fa54 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -14,11 +14,13 @@
 #include "merge-recursive.h"
 #include "refs.h"
 #include "argv-array.h"
+#include "rewrite.h"
 
 #define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION"
 
 const char sign_off_header[] = "Signed-off-by: ";
 static const char cherry_picked_prefix[] = "(cherry picked from commit ";
+static struct rewritten rewritten;
 
 static int is_rfc2822_line(const char *buf, int len)
 {
@@ -650,6 +652,14 @@ static int do_pick_commit(struct commit *commit, struct 
replay_opts *opts)
        if (!opts->no_commit)
                res = run_git_commit(defmsg, opts, allow);
 
+       if (!res && opts->action == REPLAY_PICK) {
+               unsigned char to[20];
+
+               if (read_ref("HEAD", to))
+                       goto leave;
+
+               add_rewritten(&rewritten, commit->object.sha1, to);
+       }
 leave:
        free_message(&msg);
        free(defmsg);
@@ -1012,8 +1022,11 @@ static int pick_commits(struct commit_list *todo_list, 
struct replay_opts *opts)
        for (cur = todo_list; cur; cur = cur->next) {
                save_todo(cur, opts);
                res = do_pick_commit(cur->item, opts);
-               if (res)
+               if (res) {
+                       if (opts->action == REPLAY_PICK)
+                               store_rewritten(&rewritten, 
git_path(SEQ_REWR_FILE));
                        return res;
+               }
        }
 
        /*
@@ -1042,6 +1055,8 @@ static int sequencer_continue(struct replay_opts *opts)
                return continue_single_pick();
        read_populate_opts(&opts);
        read_populate_todo(&todo_list, opts);
+       if (opts->action == REPLAY_PICK)
+               load_rewritten(&rewritten, git_path(SEQ_REWR_FILE));
 
        /* Verify that the conflict has been resolved */
        if (file_exists(git_path("CHERRY_PICK_HEAD")) ||
@@ -1052,6 +1067,11 @@ static int sequencer_continue(struct replay_opts *opts)
        }
        if (index_differs_from("HEAD", 0))
                return error_dirty_index(opts);
+       if (opts->action == REPLAY_PICK) {
+               unsigned char to[20];
+               if (!read_ref("HEAD", to))
+                       add_rewritten(&rewritten, todo_list->item->object.sha1, 
to);
+       }
        todo_list = todo_list->next;
        return pick_commits(todo_list, opts);
 }
diff --git a/sequencer.h b/sequencer.h
index 74d592a..efec1b5 100644
--- a/sequencer.h
+++ b/sequencer.h
@@ -5,6 +5,7 @@
 #define SEQ_HEAD_FILE  "sequencer/head"
 #define SEQ_TODO_FILE  "sequencer/todo"
 #define SEQ_OPTS_FILE  "sequencer/opts"
+#define SEQ_REWR_FILE  "sequencer/rewritten"
 
 #define APPEND_SIGNOFF_DEDUP (1u << 0)
 
-- 
1.8.4-fc

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