peel_ref: do not return a null sha1

diff --git a/resolve-undo.c b/resolve-undo.c
index 0f50ee0484776c545e632cde69b0646629a3b190..72b46125b719861641a55ee8fd534e0d1f47a94f 100644 (file)
--- a/resolve-undo.c
+++ b/resolve-undo.c
@@ -20,7 +20,7 @@ void record_resolve_undo(struct index_state *istate, struct cache_entry *ce)
                istate->resolve_undo = resolve_undo;
        }
        resolve_undo = istate->resolve_undo;
-       lost = string_list_insert(ce->name, resolve_undo);
+       lost = string_list_insert(resolve_undo, ce->name);
        if (!lost->util)
                lost->util = xcalloc(1, sizeof(*ui));
        ui = lost->util;
@@ -28,29 +28,25 @@ void record_resolve_undo(struct index_state *istate, struct cache_entry *ce)
        ui->mode[stage - 1] = ce->ce_mode;
 }
 
-static int write_one(struct string_list_item *item, void *cbdata)
+void resolve_undo_write(struct strbuf *sb, struct string_list *resolve_undo)
 {
-       struct strbuf *sb = cbdata;
-       struct resolve_undo_info *ui = item->util;
-       int i;
+       struct string_list_item *item;
+       for_each_string_list_item(item, resolve_undo) {
+               struct resolve_undo_info *ui = item->util;
+               int i;
 
-       if (!ui)
-               return 0;
-       strbuf_addstr(sb, item->string);
-       strbuf_addch(sb, 0);
-       for (i = 0; i < 3; i++)
-               strbuf_addf(sb, "%o%c", ui->mode[i], 0);
-       for (i = 0; i < 3; i++) {
-               if (!ui->mode[i])
+               if (!ui)
                        continue;
-               strbuf_add(sb, ui->sha1[i], 20);
+               strbuf_addstr(sb, item->string);
+               strbuf_addch(sb, 0);
+               for (i = 0; i < 3; i++)
+                       strbuf_addf(sb, "%o%c", ui->mode[i], 0);
+               for (i = 0; i < 3; i++) {
+                       if (!ui->mode[i])
+                               continue;
+                       strbuf_add(sb, ui->sha1[i], 20);
+               }
        }
-       return 0;
-}
-
-void resolve_undo_write(struct strbuf *sb, struct string_list *resolve_undo)
-{
-       for_each_string_list(write_one, resolve_undo, sb);
 }
 
 struct string_list *resolve_undo_read(const char *data, unsigned long size)
@@ -70,7 +66,7 @@ struct string_list *resolve_undo_read(const char *data, unsigned long size)
                len = strlen(data) + 1;
                if (size <= len)
                        goto error;
-               lost = string_list_insert(data, resolve_undo);
+               lost = string_list_insert(resolve_undo, data);
                if (!lost->util)
                        lost->util = xcalloc(1, sizeof(*ui));
                ui = lost->util;
@@ -135,7 +131,7 @@ int unmerge_index_entry_at(struct index_state *istate, int pos)
                        pos++;
                return pos - 1; /* return the last entry processed */
        }
-       item = string_list_lookup(ce->name, istate->resolve_undo);
+       item = string_list_lookup(istate->resolve_undo, ce->name);
        if (!item)
                return pos;
        ru = item->util;