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);
opts.rename_limit = o->merge_rename_limit >= 0 ? o->merge_rename_limit :
o->diff_rename_limit >= 0 ? o->diff_rename_limit :
500;
+ opts.rename_score = o->rename_score;
opts.warn_on_too_large_rename = 1;
opts.output_format = DIFF_FORMAT_NO_OUTPUT;
if (diff_setup_done(&opts) < 0)
const char *branch2)
{
mmfile_t orig, src1, src2;
+ struct ll_merge_options ll_opts = {0};
char *base_name, *name1, *name2;
int merge_status;
- int favor;
- if (o->call_depth)
- favor = 0;
- else {
+ ll_opts.renormalize = o->renormalize;
+ ll_opts.xdl_opts = o->xdl_opts;
+
+ if (o->call_depth) {
+ ll_opts.virtual_ancestor = 1;
+ ll_opts.variant = 0;
+ } else {
switch (o->recursive_variant) {
case MERGE_RECURSIVE_OURS:
- favor = XDL_MERGE_FAVOR_OURS;
+ ll_opts.variant = XDL_MERGE_FAVOR_OURS;
break;
case MERGE_RECURSIVE_THEIRS:
- favor = XDL_MERGE_FAVOR_THEIRS;
+ ll_opts.variant = XDL_MERGE_FAVOR_THEIRS;
break;
default:
- favor = 0;
+ ll_opts.variant = 0;
break;
}
}
read_mmblob(&src2, b->sha1);
merge_status = ll_merge(result_buf, a->path, &orig, base_name,
- &src1, name1, &src2, name2,
- (!!o->call_depth) | (favor << 1));
+ &src1, name1, &src2, name2, &ll_opts);
free(name1);
free(name2);
ren1->pair->two : NULL,
branch1 == o->branch1 ?
NULL : ren1->pair->two, 1);
+ } 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;
return (is_null_sha1(sha) || mode == 0) ? NULL: (unsigned char *)sha;
}
+static int read_sha1_strbuf(const unsigned char *sha1, struct strbuf *dst)
+{
+ void *buf;
+ enum object_type type;
+ unsigned long size;
+ buf = read_sha1_file(sha1, &type, &size);
+ if (!buf)
+ return error("cannot read object %s", sha1_to_hex(sha1));
+ if (type != OBJ_BLOB) {
+ free(buf);
+ return error("object %s is not a blob", sha1_to_hex(sha1));
+ }
+ strbuf_attach(dst, buf, size, size + 1);
+ return 0;
+}
+
+static int blob_unchanged(const unsigned char *o_sha,
+ const unsigned char *a_sha,
+ int renormalize, const char *path)
+{
+ struct strbuf o = STRBUF_INIT;
+ struct strbuf a = STRBUF_INIT;
+ int ret = 0; /* assume changed for safety */
+
+ if (sha_eq(o_sha, a_sha))
+ return 1;
+ if (!renormalize)
+ return 0;
+
+ assert(o_sha && a_sha);
+ if (read_sha1_strbuf(o_sha, &o) || read_sha1_strbuf(a_sha, &a))
+ goto error_return;
+ /*
+ * Note: binary | is used so that both renormalizations are
+ * performed. Comparison can be skipped if both files are
+ * unchanged since their sha1s have already been compared.
+ */
+ if (renormalize_buffer(path, o.buf, o.len, &o) |
+ renormalize_buffer(path, a.buf, o.len, &a))
+ ret = (o.len == a.len && !memcmp(o.buf, a.buf, o.len));
+
+error_return:
+ strbuf_release(&o);
+ strbuf_release(&a);
+ return ret;
+}
+
/* Per entry merge function */
static int process_entry(struct merge_options *o,
const char *path, struct stage_data *entry)
print_index_entry("\tpath: ", entry);
*/
int clean_merge = 1;
+ int normalize = o->renormalize;
unsigned o_mode = entry->stages[1].mode;
unsigned a_mode = entry->stages[2].mode;
unsigned b_mode = entry->stages[3].mode;
if (o_sha && (!a_sha || !b_sha)) {
/* Case A: Deleted in one */
if ((!a_sha && !b_sha) ||
- (sha_eq(a_sha, o_sha) && !b_sha) ||
- (!a_sha && sha_eq(b_sha, o_sha))) {
+ (!b_sha && blob_unchanged(o_sha, a_sha, normalize, path)) ||
+ (!a_sha && blob_unchanged(o_sha, b_sha, normalize, path))) {
/* Deleted in both or deleted in one and
* unchanged in the other */
if (a_sha)
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,
o->buffer_output = 1;
o->diff_rename_limit = -1;
o->merge_rename_limit = -1;
+ o->renormalize = 0;
git_config(merge_recursive_config, o);
if (getenv("GIT_MERGE_VERBOSITY"))
o->verbosity =
memset(&o->current_directory_set, 0, sizeof(struct string_list));
o->current_directory_set.strdup_strings = 1;
}
+
+int parse_merge_opt(struct merge_options *o, const char *s)
+{
+ if (!s || !*s)
+ return -1;
+ if (!strcmp(s, "ours"))
+ o->recursive_variant = MERGE_RECURSIVE_OURS;
+ else if (!strcmp(s, "theirs"))
+ o->recursive_variant = MERGE_RECURSIVE_THEIRS;
+ else if (!strcmp(s, "subtree"))
+ o->subtree_shift = "";
+ else if (!prefixcmp(s, "subtree="))
+ o->subtree_shift = s + strlen("subtree=");
+ else if (!strcmp(s, "patience"))
+ o->xdl_opts |= XDF_PATIENCE_DIFF;
+ else if (!strcmp(s, "ignore-space-change"))
+ o->xdl_opts |= XDF_IGNORE_WHITESPACE_CHANGE;
+ else if (!strcmp(s, "ignore-all-space"))
+ o->xdl_opts |= XDF_IGNORE_WHITESPACE;
+ else if (!strcmp(s, "ignore-space-at-eol"))
+ o->xdl_opts |= XDF_IGNORE_WHITESPACE_AT_EOL;
+ else if (!strcmp(s, "renormalize"))
+ o->renormalize = 1;
+ else if (!strcmp(s, "no-renormalize"))
+ o->renormalize = 0;
+ else if (!prefixcmp(s, "rename-threshold=")) {
+ const char *score = s + strlen("rename-threshold=");
+ if ((o->rename_score = parse_rename_score(&score)) == -1 || *score != 0)
+ return -1;
+ }
+ else
+ return -1;
+ return 0;
+}
projects / thirdparty / git.git / blobdiff