#include "dir.h"
#include "submodule.h"
-static const char rename_limit_advice[] =
-"inexact rename detection was skipped because there were too many\n"
-" files. You may want to set your merge.renamelimit variable to at least\n"
-" %d and retry this merge.";
-
static struct tree *shift_tree_object(struct tree *one, struct tree *two,
const char *subtree_shift)
{
for (i = 0; i < active_nr; i++) {
struct cache_entry *ce = active_cache[i];
if (ce_stage(ce))
- fprintf(stderr, "BUG: %d %.*s", ce_stage(ce),
+ fprintf(stderr, "BUG: %d %.*s\n", ce_stage(ce),
(int)ce_namelen(ce), ce->name);
}
die("Bug in merge-recursive.c");
return unmerged;
}
+static int string_list_df_name_compare(const void *a, const void *b)
+{
+ const struct string_list_item *one = a;
+ const struct string_list_item *two = b;
+ int onelen = strlen(one->string);
+ int twolen = strlen(two->string);
+ /*
+ * Here we only care that entries for D/F conflicts are
+ * adjacent, in particular with the file of the D/F conflict
+ * appearing before files below the corresponding directory.
+ * The order of the rest of the list is irrelevant for us.
+ *
+ * To achieve this, we sort with df_name_compare and provide
+ * the mode S_IFDIR so that D/F conflicts will sort correctly.
+ * We use the mode S_IFDIR for everything else for simplicity,
+ * since in other cases any changes in their order due to
+ * sorting cause no problems for us.
+ */
+ int cmp = df_name_compare(one->string, onelen, S_IFDIR,
+ two->string, twolen, S_IFDIR);
+ /*
+ * Now that 'foo' and 'foo/bar' compare equal, we have to make sure
+ * that 'foo' comes before 'foo/bar'.
+ */
+ if (cmp)
+ return cmp;
+ return onelen - twolen;
+}
+
+
+
static void make_room_for_directories_of_df_conflicts(struct merge_options *o,
struct string_list *entries)
{
* otherwise, if the file is not supposed to be removed by the
* merge, the contents of the file will be placed in another
* unique filename.
- *
- * NOTE: This function relies on the fact that entries for a
- * D/F conflict will appear adjacent in the index, with the
- * entries for the file appearing before entries for paths
- * below the corresponding directory.
*/
const char *last_file = NULL;
int last_len = 0;
int i;
+ /*
+ * If we're merging merge-bases, we don't want to bother with
+ * any working directory changes.
+ */
+ if (o->call_depth)
+ return;
+
+ /* Ensure D/F conflicts are adjacent in the entries list. */
+ qsort(entries->items, entries->nr, sizeof(*entries->items),
+ string_list_df_name_compare);
+
for (i = 0; i < entries->nr; i++) {
const char *path = entries->items[i].string;
int len = strlen(path);
return renames;
}
-static int update_stages_options(const char *path, struct diff_filespec *o,
- struct diff_filespec *a, struct diff_filespec *b,
- int clear, int options)
+static int update_stages(const char *path, const struct diff_filespec *o,
+ const struct diff_filespec *a,
+ const struct diff_filespec *b)
{
+ int clear = 1;
+ int options = ADD_CACHE_OK_TO_ADD | ADD_CACHE_SKIP_DFCHECK;
if (clear)
if (remove_file_from_cache(path))
return -1;
return 0;
}
-static int update_stages(const char *path, struct diff_filespec *o,
- struct diff_filespec *a, struct diff_filespec *b,
- int clear)
-{
- int options = ADD_CACHE_OK_TO_ADD | ADD_CACHE_OK_TO_REPLACE;
- return update_stages_options(path, o, a, b, clear, options);
-}
-
static int update_stages_and_entry(const char *path,
struct stage_data *entry,
struct diff_filespec *o,
hashcpy(entry->stages[1].sha, o->sha1);
hashcpy(entry->stages[2].sha, a->sha1);
hashcpy(entry->stages[3].sha, b->sha1);
- options = ADD_CACHE_OK_TO_ADD | ADD_CACHE_SKIP_DFCHECK;
- return update_stages_options(path, o, a, b, clear, options);
+ return update_stages(path, o, a, b);
}
static int remove_file(struct merge_options *o, int clean,
static int merge_3way(struct merge_options *o,
mmbuffer_t *result_buf,
- struct diff_filespec *one,
- struct diff_filespec *a,
- struct diff_filespec *b,
+ const struct diff_filespec *one,
+ const struct diff_filespec *a,
+ const struct diff_filespec *b,
const char *branch1,
const char *branch2)
{
}
static struct merge_file_info merge_file(struct merge_options *o,
- struct diff_filespec *one,
- struct diff_filespec *a,
- struct diff_filespec *b,
+ const struct diff_filespec *one,
+ const struct diff_filespec *a,
+ const struct diff_filespec *b,
const char *branch1,
const char *branch2)
{
if (!o->call_depth)
update_stages(dest_name, NULL,
rename_branch == o->branch1 ? pair->two : NULL,
- rename_branch == o->branch1 ? NULL : pair->two,
- 1);
+ rename_branch == o->branch1 ? NULL : pair->two);
if (lstat(dest_name, &st) == 0 && S_ISDIR(st.st_mode)) {
dest_name = unique_path(o, dest_name, rename_branch);
df_conflict = 1;
* update_file(o, 0, pair2->two->sha1, pair2->two->mode, dst_name2);
*/
} else {
- update_stages(ren1_dst, NULL, pair1->two, NULL, 1);
- update_stages(ren2_dst, NULL, NULL, pair2->two, 1);
+ update_stages(ren1_dst, NULL, pair1->two, NULL);
+ update_stages(ren2_dst, NULL, NULL, pair2->two);
update_file(o, 0, pair1->two->sha1, pair1->two->mode, dst_name1);
update_file(o, 0, pair2->two->sha1, pair2->two->mode, dst_name2);
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;
try_merge = 1;
output(o, 1, "CONFLICT (rename/add): Rename %s->%s in %s. "
ren1_dst);
try_merge = 0;
} else {
- new_path = unique_path(o, ren1_dst, branch2);
+ char *new_path = unique_path(o, ren1_dst, branch2);
output(o, 1, "Adding as %s instead", new_path);
update_file(o, 0, dst_other.sha1, dst_other.mode, new_path);
+ free(new_path);
}
} else if ((item = string_list_lookup(renames2Dst, ren1_dst))) {
ren2 = item->util;
}
if (df_conflict_remains) {
- const char *new_path;
+ char *new_path;
update_file_flags(o, mfi.sha, mfi.mode, path,
o->call_depth || mfi.clean, 0);
new_path = unique_path(o, path, df_rename_conflict_branch);
mfi.clean = 0;
output(o, 1, "Adding as %s instead", new_path);
update_file_flags(o, mfi.sha, mfi.mode, new_path, 0, 1);
+ free(new_path);
} else {
update_file(o, mfi.clean, mfi.sha, mfi.mode, path);
}
}
} else if (o_sha && (!a_sha || !b_sha)) {
/* Modify/delete; deleted side may have put a directory in the way */
- const char *new_path = path;
- if (lstat(path, &st) == 0 && S_ISDIR(st.st_mode))
- new_path = unique_path(o, path, a_sha ? o->branch1 : o->branch2);
+ char *renamed = NULL;
+ if (lstat(path, &st) == 0 && S_ISDIR(st.st_mode)) {
+ renamed = unique_path(o, path, a_sha ? o->branch1 : o->branch2);
+ }
clean_merge = 0;
- handle_delete_modify(o, path, new_path,
+ handle_delete_modify(o, path, renamed ? renamed : path,
a_sha, a_mode, b_sha, b_mode);
+ free(renamed);
} else if (!o_sha && !!a_sha != !!b_sha) {
- /* directory -> (directory, file) */
+ /* directory -> (directory, file) or <nothing> -> (directory, file) */
const char *add_branch;
const char *other_branch;
unsigned mode;
conf = "directory/file";
}
if (lstat(path, &st) == 0 && S_ISDIR(st.st_mode)) {
- const char *new_path = unique_path(o, path, add_branch);
+ char *new_path = unique_path(o, path, add_branch);
clean_merge = 0;
output(o, 1, "CONFLICT (%s): There is a directory with name %s in %s. "
"Adding %s as %s",
conf, path, other_branch, path, new_path);
update_file(o, 0, sha, mode, new_path);
+ if (o->call_depth)
+ remove_file_from_cache(path);
+ free(new_path);
} else {
output(o, 2, "Adding %s", path);
update_file(o, 1, sha, mode, path);
commit_list_insert(h2, &(*result)->parents->next);
}
flush_output(o);
- if (o->needed_rename_limit)
- warning(rename_limit_advice, o->needed_rename_limit);
+ if (show(o, 2))
+ diff_warn_rename_limit("merge.renamelimit",
+ o->needed_rename_limit, 0);
return clean;
}
static int merge_recursive_config(const char *var, const char *value, void *cb)
{
struct merge_options *o = cb;
- if (!strcasecmp(var, "merge.verbosity")) {
+ if (!strcmp(var, "merge.verbosity")) {
o->verbosity = git_config_int(var, value);
return 0;
}
- if (!strcasecmp(var, "diff.renamelimit")) {
+ if (!strcmp(var, "diff.renamelimit")) {
o->diff_rename_limit = git_config_int(var, value);
return 0;
}
- if (!strcasecmp(var, "merge.renamelimit")) {
+ if (!strcmp(var, "merge.renamelimit")) {
o->merge_rename_limit = git_config_int(var, value);
return 0;
}