opts.fn = threeway_merge;
opts.src_index = &the_index;
opts.dst_index = &the_index;
- set_porcelain_error_msgs(opts.msgs, "merge");
+ setup_unpack_trees_porcelain(&opts, "merge");
init_tree_desc_from_tree(t+0, common);
init_tree_desc_from_tree(t+1, head);
return result;
}
-static void conflict_rename_rename(struct merge_options *o,
- struct rename *ren1,
- const char *branch1,
- struct rename *ren2,
- const char *branch2)
+static void conflict_rename_delete(struct merge_options *o,
+ struct diff_filepair *pair,
+ const char *rename_branch,
+ const char *other_branch)
{
+ char *dest_name = pair->two->path;
+
+ output(o, 1, "CONFLICT (rename/delete): Rename %s->%s in %s "
+ "and deleted in %s",
+ pair->one->path, pair->two->path, rename_branch,
+ other_branch);
+ if (!o->call_depth)
+ update_stages(dest_name, NULL,
+ rename_branch == o->branch1 ? pair->two : NULL,
+ rename_branch == o->branch1 ? NULL : pair->two,
+ 1);
+ update_file(o, 0, pair->two->sha1, pair->two->mode, dest_name);
+}
+
+static void conflict_rename_rename_1to2(struct merge_options *o,
+ struct rename *ren1,
+ const char *branch1,
+ struct rename *ren2,
+ const char *branch2)
+{
+ /* One file was renamed in both branches, but to different names. */
char *del[2];
int delp = 0;
const char *ren1_dst = ren1->pair->two->path;
free(del[delp]);
}
-static void conflict_rename_dir(struct merge_options *o,
- struct rename *ren1,
- const char *branch1)
-{
- char *new_path = unique_path(o, ren1->pair->two->path, branch1);
- output(o, 1, "Renaming %s to %s instead", ren1->pair->one->path, new_path);
- remove_file(o, 0, ren1->pair->two->path, 0);
- update_file(o, 0, ren1->pair->two->sha1, ren1->pair->two->mode, new_path);
- free(new_path);
-}
-
-static void conflict_rename_rename_2(struct merge_options *o,
- struct rename *ren1,
- const char *branch1,
- struct rename *ren2,
- const char *branch2)
+static void conflict_rename_rename_2to1(struct merge_options *o,
+ struct rename *ren1,
+ const char *branch1,
+ struct rename *ren2,
+ const char *branch2)
{
+ /* Two files were renamed to the same thing. */
char *new_path1 = unique_path(o, ren1->pair->two->path, branch1);
char *new_path2 = unique_path(o, ren2->pair->two->path, branch2);
output(o, 1, "Renaming %s to %s and %s to %s instead",
update_file(o, 0, ren1->pair->one->sha1,
ren1->pair->one->mode, src);
}
- conflict_rename_rename(o, ren1, branch1, ren2, branch2);
+ conflict_rename_rename_1to2(o, ren1, branch1, ren2, branch2);
} else {
struct merge_file_info mfi;
remove_file(o, 1, ren1_src, 1);
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 (string_list_has_string(&o->current_directory_set, ren1_dst)) {
- clean_merge = 0;
- output(o, 1, "CONFLICT (rename/directory): Rename %s->%s in %s "
- " directory %s added in %s",
- ren1_src, ren1_dst, branch1,
- ren1_dst, branch2);
- conflict_rename_dir(o, ren1, branch1);
- } else if (sha_eq(src_other.sha1, null_sha1)) {
+ if (sha_eq(src_other.sha1, null_sha1)) {
clean_merge = 0;
- output(o, 1, "CONFLICT (rename/delete): Rename %s->%s in %s "
- "and deleted in %s",
- ren1_src, ren1_dst, branch1,
- branch2);
- update_file(o, 0, ren1->pair->two->sha1, ren1->pair->two->mode, ren1_dst);
- if (!o->call_depth)
- update_stages(ren1_dst, NULL,
- branch1 == o->branch1 ?
- ren1->pair->two : NULL,
- branch1 == o->branch1 ?
- NULL : ren1->pair->two, 1);
+ conflict_rename_delete(o, ren1->pair, branch1, branch2);
+ } else if ((dst_other.mode == ren1->pair->two->mode) &&
+ sha_eq(dst_other.sha1, ren1->pair->two->sha1)) {
+ /* Added file on the other side
+ identical to the file being
+ renamed: clean merge */
+ update_file(o, 1, ren1->pair->two->sha1, ren1->pair->two->mode, ren1_dst);
} else if (!sha_eq(dst_other.sha1, null_sha1)) {
const char *new_path;
clean_merge = 0;
"Rename %s->%s in %s",
ren1_src, ren1_dst, branch1,
ren2->pair->one->path, ren2->pair->two->path, branch2);
- conflict_rename_rename_2(o, ren1, branch1, ren2, branch2);
+ conflict_rename_rename_2to1(o, ren1, branch1, ren2, branch2);
} else
try_merge = 1;
return ret;
}
+static void handle_delete_modify(struct merge_options *o,
+ const char *path,
+ unsigned char *a_sha, int a_mode,
+ unsigned char *b_sha, int b_mode)
+{
+ if (!a_sha) {
+ output(o, 1, "CONFLICT (delete/modify): %s deleted in %s "
+ "and modified in %s. Version %s of %s left in tree.",
+ path, o->branch1,
+ o->branch2, o->branch2, path);
+ update_file(o, 0, b_sha, b_mode, path);
+ } else {
+ output(o, 1, "CONFLICT (delete/modify): %s deleted in %s "
+ "and modified in %s. Version %s of %s left in tree.",
+ path, o->branch2,
+ o->branch1, o->branch1, path);
+ update_file(o, 0, a_sha, a_mode, path);
+ }
+}
+
/* Per entry merge function */
static int process_entry(struct merge_options *o,
const char *path, struct stage_data *entry)
} else {
/* Deleted in one and changed in the other */
clean_merge = 0;
- if (!a_sha) {
- output(o, 1, "CONFLICT (delete/modify): %s deleted in %s "
- "and modified in %s. Version %s of %s left in tree.",
- path, o->branch1,
- o->branch2, o->branch2, path);
- update_file(o, 0, b_sha, b_mode, path);
- } else {
- output(o, 1, "CONFLICT (delete/modify): %s deleted in %s "
- "and modified in %s. Version %s of %s left in tree.",
- path, o->branch2,
- o->branch1, o->branch1, path);
- update_file(o, 0, a_sha, a_mode, path);
- }
+ handle_delete_modify(o, path,
+ a_sha, a_mode, b_sha, b_mode);
}
} else if ((!o_sha && a_sha && !b_sha) ||
const char *conf;
struct stat st;
- /* We currently only handle D->F cases */
- assert((!o_sha && a_sha && !b_sha) ||
- (!o_sha && !a_sha && b_sha));
+ if (!((!o_sha && a_sha && !b_sha) || (!o_sha && !a_sha && b_sha)))
+ return 1; /* we don't handle non D-F cases */
entry->processed = 1;
return clean_merge;
}
-void set_porcelain_error_msgs(const char **msgs, const char *cmd)
-{
- const char *msg;
- char *tmp;
- const char *cmd2 = strcmp(cmd, "checkout") ? cmd : "switch branches";
- if (advice_commit_before_merge)
- msg = "Your local changes to the following files would be overwritten by %s:\n%%s"
- "Please, commit your changes or stash them before you can %s.";
- else
- msg = "Your local changes to the following files would be overwritten by %s:\n%%s";
- tmp = xmalloc(strlen(msg) + strlen(cmd) + strlen(cmd2) - 2);
- sprintf(tmp, msg, cmd, cmd2);
- msgs[ERROR_WOULD_OVERWRITE] = tmp;
- msgs[ERROR_NOT_UPTODATE_FILE] = tmp;
-
- msgs[ERROR_NOT_UPTODATE_DIR] =
- "Updating the following directories would lose untracked files in it:\n%s";
-
- if (advice_commit_before_merge)
- msg = "The following untracked working tree files would be %s by %s:\n%%s"
- "Please move or remove them before you can %s.";
- else
- msg = "The following untracked working tree files would be %s by %s:\n%%s";
- tmp = xmalloc(strlen(msg) + strlen(cmd) + strlen("removed") + strlen(cmd2) - 4);
- sprintf(tmp, msg, "removed", cmd, cmd2);
- msgs[ERROR_WOULD_LOSE_UNTRACKED_REMOVED] = tmp;
- tmp = xmalloc(strlen(msg) + strlen(cmd) + strlen("overwritten") + strlen(cmd2) - 4);
- sprintf(tmp, msg, "overwritten", cmd, cmd2);
- msgs[ERROR_WOULD_LOSE_UNTRACKED_OVERWRITTEN] = tmp;
-
- /*
- * Special case: ERROR_BIND_OVERLAP refers to a pair of paths, we
- * cannot easily display it as a list.
- */
- msgs[ERROR_BIND_OVERLAP] = "Entry '%s' overlaps with '%s'. Cannot bind.";
-
- msgs[ERROR_SPARSE_NOT_UPTODATE_FILE] =
- "Cannot update sparse checkout: the following entries are not up-to-date:\n%s";
- msgs[ERROR_WOULD_LOSE_ORPHANED_OVERWRITTEN] =
- "The following Working tree files would be overwritten by sparse checkout update:\n%s";
- msgs[ERROR_WOULD_LOSE_ORPHANED_REMOVED] =
- "The following Working tree files would be removed by sparse checkout update:\n%s";
-}
-
int merge_trees(struct merge_options *o,
struct tree *head,
struct tree *merge,
&& !process_df_entry(o, path, e))
clean = 0;
}
+ for (i = 0; i < entries->nr; i++) {
+ struct stage_data *e = entries->items[i].util;
+ if (!e->processed)
+ die("Unprocessed path??? %s",
+ entries->items[i].string);
+ }
string_list_clear(re_merge, 0);
string_list_clear(re_head, 0);