process_renames() had a variable named "stage" and derived variables
src_other and dst_other whose purpose was not immediately obvious; also,
I want to extend the scope of this variable and use it later, so it should
have a more descriptive name. Do so, and add a brief comment explaining
how it is used and what it relates to.
Signed-off-by: Elijah Newren <newren@xxxxxxxxx>
---
merge-recursive.c | 20 ++++++++++++++------
1 files changed, 14 insertions(+), 6 deletions(-)
diff --git a/merge-recursive.c b/merge-recursive.c
index 4d9c165..8f45cec 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -925,15 +925,23 @@ static int process_renames(struct merge_options *o,
struct string_list_item *item;
/* we only use sha1 and mode of these */
struct diff_filespec src_other, dst_other;
- int try_merge, stage = a_renames == renames1 ? 3: 2;
+ int try_merge;
- remove_file(o, 1, ren1_src, o->call_depth || stage == 3);
+ /*
+ * unpack_trees loads entries from common-commit
+ * into stage 1, from head-commit into stage 2, and
+ * from merge-commit into stage 3. We keep track
+ * of which side corresponds to the rename.
+ */
+ int renamed_stage = a_renames == renames1 ? 2 : 3;
+ int other_stage = a_renames == renames1 ? 3 : 2;
- hashcpy(src_other.sha1, ren1->src_entry->stages[stage].sha);
- src_other.mode = ren1->src_entry->stages[stage].mode;
- hashcpy(dst_other.sha1, ren1->dst_entry->stages[stage].sha);
- dst_other.mode = ren1->dst_entry->stages[stage].mode;
+ remove_file(o, 1, ren1_src, o->call_depth || renamed_stage == 2);
+ hashcpy(src_other.sha1, ren1->src_entry->stages[other_stage].sha);
+ src_other.mode = ren1->src_entry->stages[other_stage].mode;
+ hashcpy(dst_other.sha1, ren1->dst_entry->stages[other_stage].sha);
+ dst_other.mode = ren1->dst_entry->stages[other_stage].mode;
try_merge = 0;
if (sha_eq(src_other.sha1, null_sha1)) {
--
1.7.3.271.g16009
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