* Fredrik Kuivinen.
* The thieves were Alex Riesen and Johannes Schindelin, in June/July 2006
*/
-#include "advice.h"
#include "cache.h"
+#include "advice.h"
+#include "lockfile.h"
#include "cache-tree.h"
#include "commit.h"
#include "blob.h"
static struct tree *shift_tree_object(struct tree *one, struct tree *two,
const char *subtree_shift)
{
- unsigned char shifted[20];
+ struct object_id shifted;
if (!*subtree_shift) {
- shift_tree(one->object.sha1, two->object.sha1, shifted, 0);
+ shift_tree(one->object.oid.hash, two->object.oid.hash, shifted.hash, 0);
} else {
- shift_tree_by(one->object.sha1, two->object.sha1, shifted,
+ shift_tree_by(one->object.oid.hash, two->object.oid.hash, shifted.hash,
subtree_shift);
}
- if (!hashcmp(two->object.sha1, shifted))
+ if (!oidcmp(&two->object.oid, &shifted))
return two;
- return lookup_tree(shifted);
+ return lookup_tree(shifted.hash);
}
static struct commit *make_virtual_commit(struct tree *tree, const char *comment)
if (!show(o, v))
return;
- strbuf_grow(&o->obuf, o->call_depth * 2 + 2);
- memset(o->obuf.buf + o->obuf.len, ' ', o->call_depth * 2);
- strbuf_setlen(&o->obuf, o->obuf.len + o->call_depth * 2);
+ strbuf_addchars(&o->obuf, ' ', o->call_depth * 2);
va_start(ap, fmt);
strbuf_vaddf(&o->obuf, fmt, ap);
va_end(ap);
- strbuf_add(&o->obuf, "\n", 1);
+ strbuf_addch(&o->obuf, '\n');
if (!o->buffer_output)
flush_output(o);
}
if (commit->util)
printf("virtual %s\n", merge_remote_util(commit)->name);
else {
- printf("%s ", find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV));
+ printf("%s ", find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV));
if (parse_commit(commit) != 0)
printf(_("(bad commit)\n"));
else {
active_cache_tree = cache_tree();
if (!cache_tree_fully_valid(active_cache_tree) &&
- cache_tree_update(active_cache_tree,
- (const struct cache_entry * const *)active_cache,
- active_nr, 0) < 0)
+ cache_tree_update(&the_index, 0) < 0)
die(_("error building trees"));
result = lookup_tree(active_cache_tree->sha1);
}
static int save_files_dirs(const unsigned char *sha1,
- const char *base, int baselen, const char *path,
+ struct strbuf *base, const char *path,
unsigned int mode, int stage, void *context)
{
- int len = strlen(path);
- char *newpath = xmalloc(baselen + len + 1);
+ int baselen = base->len;
struct merge_options *o = context;
- memcpy(newpath, base, baselen);
- memcpy(newpath + baselen, path, len);
- newpath[baselen + len] = '\0';
+ strbuf_addstr(base, path);
if (S_ISDIR(mode))
- string_list_insert(&o->current_directory_set, newpath);
+ string_list_insert(&o->current_directory_set, base->buf);
else
- string_list_insert(&o->current_file_set, newpath);
- free(newpath);
+ string_list_insert(&o->current_file_set, base->buf);
+ strbuf_setlen(base, baselen);
return (S_ISDIR(mode) ? READ_TREE_RECURSIVE : 0);
}
{
struct string_list_item *item;
struct stage_data *e = xcalloc(1, sizeof(struct stage_data));
- get_tree_entry(o->object.sha1, path,
+ get_tree_entry(o->object.oid.hash, path,
e->stages[1].sha, &e->stages[1].mode);
- get_tree_entry(a->object.sha1, path,
+ get_tree_entry(a->object.oid.hash, path,
e->stages[2].sha, &e->stages[2].mode);
- get_tree_entry(b->object.sha1, path,
+ get_tree_entry(b->object.oid.hash, path,
e->stages[3].sha, &e->stages[3].mode);
item = string_list_insert(entries, path);
item->util = e;
struct diff_options opts;
renames = xcalloc(1, sizeof(struct string_list));
+ if (!o->detect_rename)
+ return renames;
+
diff_setup(&opts);
DIFF_OPT_SET(&opts, RECURSIVE);
DIFF_OPT_CLR(&opts, RENAME_EMPTY);
opts.show_rename_progress = o->show_rename_progress;
opts.output_format = DIFF_FORMAT_NO_OUTPUT;
diff_setup_done(&opts);
- diff_tree_sha1(o_tree->object.sha1, tree->object.sha1, "", &opts);
+ diff_tree_sha1(o_tree->object.oid.hash, tree->object.oid.hash, "", &opts);
diffcore_std(&opts);
if (opts.needed_rename_limit > o->needed_rename_limit)
o->needed_rename_limit = opts.needed_rename_limit;
return 0;
}
+/* add a string to a strbuf, but converting "/" to "_" */
+static void add_flattened_path(struct strbuf *out, const char *s)
+{
+ size_t i = out->len;
+ strbuf_addstr(out, s);
+ for (; i < out->len; i++)
+ if (out->buf[i] == '/')
+ out->buf[i] = '_';
+}
+
static char *unique_path(struct merge_options *o, const char *path, const char *branch)
{
- char *newpath = xmalloc(strlen(path) + 1 + strlen(branch) + 8 + 1);
+ struct strbuf newpath = STRBUF_INIT;
int suffix = 0;
- struct stat st;
- char *p = newpath + strlen(path);
- strcpy(newpath, path);
- *(p++) = '~';
- strcpy(p, branch);
- for (; *p; ++p)
- if ('/' == *p)
- *p = '_';
- while (string_list_has_string(&o->current_file_set, newpath) ||
- string_list_has_string(&o->current_directory_set, newpath) ||
- lstat(newpath, &st) == 0)
- sprintf(p, "_%d", suffix++);
-
- string_list_insert(&o->current_file_set, newpath);
- return newpath;
+ size_t base_len;
+
+ strbuf_addf(&newpath, "%s~", path);
+ add_flattened_path(&newpath, branch);
+
+ base_len = newpath.len;
+ while (string_list_has_string(&o->current_file_set, newpath.buf) ||
+ string_list_has_string(&o->current_directory_set, newpath.buf) ||
+ file_exists(newpath.buf)) {
+ strbuf_setlen(&newpath, base_len);
+ strbuf_addf(&newpath, "_%d", suffix++);
+ }
+
+ string_list_insert(&o->current_file_set, newpath.buf);
+ return strbuf_detach(&newpath, NULL);
}
static int dir_in_way(const char *path, int check_working_copy)
{
- int pos, pathlen = strlen(path);
- char *dirpath = xmalloc(pathlen + 2);
+ int pos;
+ struct strbuf dirpath = STRBUF_INIT;
struct stat st;
- strcpy(dirpath, path);
- dirpath[pathlen] = '/';
- dirpath[pathlen+1] = '\0';
+ strbuf_addstr(&dirpath, path);
+ strbuf_addch(&dirpath, '/');
- pos = cache_name_pos(dirpath, pathlen+1);
+ pos = cache_name_pos(dirpath.buf, dirpath.len);
if (pos < 0)
pos = -1 - pos;
if (pos < active_nr &&
- !strncmp(dirpath, active_cache[pos]->name, pathlen+1)) {
- free(dirpath);
+ !strncmp(dirpath.buf, active_cache[pos]->name, dirpath.len)) {
+ strbuf_release(&dirpath);
return 1;
}
- free(dirpath);
+ strbuf_release(&dirpath);
return check_working_copy && !lstat(path, &st) && S_ISDIR(st.st_mode);
}
char *side2 = NULL;
struct merge_file_info mfi;
- if (filename1) {
- side1 = xmalloc(strlen(branch1) + strlen(filename1) + 2);
- sprintf(side1, "%s:%s", branch1, filename1);
- }
- if (filename2) {
- side2 = xmalloc(strlen(branch2) + strlen(filename2) + 2);
- sprintf(side2, "%s:%s", branch2, filename2);
- }
+ if (filename1)
+ side1 = xstrfmt("%s:%s", branch1, filename1);
+ if (filename2)
+ side2 = xstrfmt("%s:%s", branch2, filename2);
mfi = merge_file_1(o, one, a, b,
side1 ? side1 : branch1, side2 ? side2 : branch2);
}
static int blob_unchanged(const unsigned char *o_sha,
+ unsigned o_mode,
const unsigned char *a_sha,
+ unsigned a_mode,
int renormalize, const char *path)
{
struct strbuf o = STRBUF_INIT;
struct strbuf a = STRBUF_INIT;
int ret = 0; /* assume changed for safety */
+ if (a_mode != o_mode)
+ return 0;
if (sha_eq(o_sha, a_sha))
return 1;
if (!renormalize)
* 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))
+ renormalize_buffer(path, a.buf, a.len, &a))
ret = (o.len == a.len && !memcmp(o.buf, a.buf, o.len));
error_return:
static int process_entry(struct merge_options *o,
const char *path, struct stage_data *entry)
{
- /*
- printf("processing entry, clean cache: %s\n", index_only ? "yes": "no");
- print_index_entry("\tpath: ", entry);
- */
int clean_merge = 1;
int normalize = o->renormalize;
unsigned o_mode = entry->stages[1].mode;
} else if (o_sha && (!a_sha || !b_sha)) {
/* Case A: Deleted in one */
if ((!a_sha && !b_sha) ||
- (!b_sha && blob_unchanged(o_sha, a_sha, normalize, path)) ||
- (!a_sha && blob_unchanged(o_sha, b_sha, normalize, path))) {
+ (!b_sha && blob_unchanged(o_sha, o_mode, a_sha, a_mode, normalize, path)) ||
+ (!a_sha && blob_unchanged(o_sha, o_mode, b_sha, b_mode, normalize, path))) {
/* Deleted in both or deleted in one and
* unchanged in the other */
if (a_sha)
common = shift_tree_object(head, common, o->subtree_shift);
}
- if (sha_eq(common->object.sha1, merge->object.sha1)) {
+ if (sha_eq(common->object.oid.hash, merge->object.oid.hash)) {
output(o, 0, _("Already up-to-date!"));
*result = head;
return 1;
if (code != 0) {
if (show(o, 4) || o->call_depth)
die(_("merging of trees %s and %s failed"),
- sha1_to_hex(head->object.sha1),
- sha1_to_hex(merge->object.sha1));
+ oid_to_hex(&head->object.oid),
+ oid_to_hex(&merge->object.oid));
else
exit(128);
}
string_list_clear(re_head, 0);
string_list_clear(entries, 1);
+ free(re_merge);
+ free(re_head);
+ free(entries);
}
else
clean = 1;
}
if (!ca) {
- ca = get_merge_bases(h1, h2, 1);
+ ca = get_merge_bases(h1, h2);
ca = reverse_commit_list(ca);
}
const unsigned char **base_list,
struct commit **result)
{
- int clean, index_fd;
+ int clean;
struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
struct commit *head_commit = get_ref(head, o->branch1);
struct commit *next_commit = get_ref(merge, o->branch2);
}
}
- index_fd = hold_locked_index(lock, 1);
+ hold_locked_index(lock, 1);
clean = merge_recursive(o, head_commit, next_commit, ca,
result);
if (active_cache_changed &&
- (write_cache(index_fd, active_cache, active_nr) ||
- commit_locked_index(lock)))
+ write_locked_index(&the_index, lock, COMMIT_LOCK))
return error(_("Unable to write index."));
return clean ? 0 : 1;
}
-static int merge_recursive_config(const char *var, const char *value, void *cb)
+static void merge_recursive_config(struct merge_options *o)
{
- struct merge_options *o = cb;
- if (!strcmp(var, "merge.verbosity")) {
- o->verbosity = git_config_int(var, value);
- return 0;
- }
- if (!strcmp(var, "diff.renamelimit")) {
- o->diff_rename_limit = git_config_int(var, value);
- return 0;
- }
- if (!strcmp(var, "merge.renamelimit")) {
- o->merge_rename_limit = git_config_int(var, value);
- return 0;
- }
- return git_xmerge_config(var, value, cb);
+ git_config_get_int("merge.verbosity", &o->verbosity);
+ git_config_get_int("diff.renamelimit", &o->diff_rename_limit);
+ git_config_get_int("merge.renamelimit", &o->merge_rename_limit);
+ git_config(git_xmerge_config, NULL);
}
void init_merge_options(struct merge_options *o)
o->diff_rename_limit = -1;
o->merge_rename_limit = -1;
o->renormalize = 0;
- git_config(merge_recursive_config, o);
+ o->detect_rename = 1;
+ merge_recursive_config(o);
if (getenv("GIT_MERGE_VERBOSITY"))
o->verbosity =
strtol(getenv("GIT_MERGE_VERBOSITY"), NULL, 10);
if (o->verbosity >= 5)
o->buffer_output = 0;
strbuf_init(&o->obuf, 0);
- memset(&o->current_file_set, 0, sizeof(struct string_list));
- o->current_file_set.strdup_strings = 1;
- memset(&o->current_directory_set, 0, sizeof(struct string_list));
- o->current_directory_set.strdup_strings = 1;
- memset(&o->df_conflict_file_set, 0, sizeof(struct string_list));
- o->df_conflict_file_set.strdup_strings = 1;
+ string_list_init(&o->current_file_set, 1);
+ string_list_init(&o->current_directory_set, 1);
+ string_list_init(&o->df_conflict_file_set, 1);
}
int parse_merge_opt(struct merge_options *o, const char *s)
{
+ const char *arg;
+
if (!s || !*s)
return -1;
if (!strcmp(s, "ours"))
o->recursive_variant = MERGE_RECURSIVE_THEIRS;
else if (!strcmp(s, "subtree"))
o->subtree_shift = "";
- else if (starts_with(s, "subtree="))
- o->subtree_shift = s + strlen("subtree=");
+ else if (skip_prefix(s, "subtree=", &arg))
+ o->subtree_shift = arg;
else if (!strcmp(s, "patience"))
o->xdl_opts = DIFF_WITH_ALG(o, PATIENCE_DIFF);
else if (!strcmp(s, "histogram"))
o->xdl_opts = DIFF_WITH_ALG(o, HISTOGRAM_DIFF);
- else if (starts_with(s, "diff-algorithm=")) {
- long value = parse_algorithm_value(s + strlen("diff-algorithm="));
+ else if (skip_prefix(s, "diff-algorithm=", &arg)) {
+ long value = parse_algorithm_value(arg);
if (value < 0)
return -1;
/* clear out previous settings */
o->renormalize = 1;
else if (!strcmp(s, "no-renormalize"))
o->renormalize = 0;
- else if (starts_with(s, "rename-threshold=")) {
- const char *score = s + strlen("rename-threshold=");
- if ((o->rename_score = parse_rename_score(&score)) == -1 || *score != 0)
+ else if (!strcmp(s, "no-renames"))
+ o->detect_rename = 0;
+ else if (!strcmp(s, "find-renames")) {
+ o->detect_rename = 1;
+ o->rename_score = 0;
+ }
+ else if (skip_prefix(s, "find-renames=", &arg) ||
+ skip_prefix(s, "rename-threshold=", &arg)) {
+ if ((o->rename_score = parse_rename_score(&arg)) == -1 || *arg != 0)
return -1;
+ o->detect_rename = 1;
}
else
return -1;