#include "notes.h"
#include "notes-merge.h"
#include "strbuf.h"
+#include "notes-utils.h"
struct notes_merge_pair {
unsigned char obj[20], base[20], local[20], remote[20];
o->verbosity = NOTES_MERGE_VERBOSITY_DEFAULT;
}
-#define OUTPUT(o, v, ...) \
- do { \
- if ((o)->verbosity >= (v)) { \
- printf(__VA_ARGS__); \
- puts(""); \
- } \
- } while (0)
-
static int path_to_sha1(const char *path, unsigned char *sha1)
{
char hex_sha1[40];
diff_setup(&opt);
DIFF_OPT_SET(&opt, RECURSIVE);
opt.output_format = DIFF_FORMAT_NO_OUTPUT;
- if (diff_setup_done(&opt) < 0)
- die("diff_setup_done failed");
+ diff_setup_done(&opt);
diff_tree_sha1(base, remote, "", &opt);
diffcore_std(&opt);
diff_setup(&opt);
DIFF_OPT_SET(&opt, RECURSIVE);
opt.output_format = DIFF_FORMAT_NO_OUTPUT;
- if (diff_setup_done(&opt) < 0)
- die("diff_setup_done failed");
+ diff_setup_done(&opt);
diff_tree_sha1(base, local, "", &opt);
diffcore_std(&opt);
* Must establish NOTES_MERGE_WORKTREE.
* Abort if NOTES_MERGE_WORKTREE already exists
*/
- if (file_exists(git_path(NOTES_MERGE_WORKTREE))) {
+ if (file_exists(git_path(NOTES_MERGE_WORKTREE)) &&
+ !is_empty_dir(git_path(NOTES_MERGE_WORKTREE))) {
if (advice_resolve_conflict)
die("You have not concluded your previous "
"notes merge (%s exists).\nPlease, use "
strbuf_addf(&(o->commit_msg), "\t%s\n", sha1_to_hex(p->obj));
- OUTPUT(o, 2, "Auto-merging notes for %s", sha1_to_hex(p->obj));
+ if (o->verbosity >= 2)
+ printf("Auto-merging notes for %s\n", sha1_to_hex(p->obj));
check_notes_merge_worktree(o);
if (is_null_sha1(p->local)) {
/* D/F conflict, checkout p->remote */
assert(!is_null_sha1(p->remote));
- OUTPUT(o, 1, "CONFLICT (delete/modify): Notes for object %s "
- "deleted in %s and modified in %s. Version from %s "
- "left in tree.", sha1_to_hex(p->obj), lref, rref, rref);
+ if (o->verbosity >= 1)
+ printf("CONFLICT (delete/modify): Notes for object %s "
+ "deleted in %s and modified in %s. Version from %s "
+ "left in tree.\n",
+ sha1_to_hex(p->obj), lref, rref, rref);
write_note_to_worktree(p->obj, p->remote);
} else if (is_null_sha1(p->remote)) {
/* D/F conflict, checkout p->local */
assert(!is_null_sha1(p->local));
- OUTPUT(o, 1, "CONFLICT (delete/modify): Notes for object %s "
- "deleted in %s and modified in %s. Version from %s "
- "left in tree.", sha1_to_hex(p->obj), rref, lref, lref);
+ if (o->verbosity >= 1)
+ printf("CONFLICT (delete/modify): Notes for object %s "
+ "deleted in %s and modified in %s. Version from %s "
+ "left in tree.\n",
+ sha1_to_hex(p->obj), rref, lref, lref);
write_note_to_worktree(p->obj, p->local);
} else {
/* "regular" conflict, checkout result of ll_merge() */
reason = "add/add";
assert(!is_null_sha1(p->local));
assert(!is_null_sha1(p->remote));
- OUTPUT(o, 1, "CONFLICT (%s): Merge conflict in notes for "
- "object %s", reason, sha1_to_hex(p->obj));
+ if (o->verbosity >= 1)
+ printf("CONFLICT (%s): Merge conflict in notes for "
+ "object %s\n", reason, sha1_to_hex(p->obj));
ll_merge_in_worktree(o, p);
}
case NOTES_MERGE_RESOLVE_MANUAL:
return merge_one_change_manual(o, p, t);
case NOTES_MERGE_RESOLVE_OURS:
- OUTPUT(o, 2, "Using local notes for %s", sha1_to_hex(p->obj));
+ if (o->verbosity >= 2)
+ printf("Using local notes for %s\n",
+ sha1_to_hex(p->obj));
/* nothing to do */
return 0;
case NOTES_MERGE_RESOLVE_THEIRS:
- OUTPUT(o, 2, "Using remote notes for %s", sha1_to_hex(p->obj));
+ if (o->verbosity >= 2)
+ printf("Using remote notes for %s\n",
+ sha1_to_hex(p->obj));
if (add_note(t, p->obj, p->remote, combine_notes_overwrite))
die("BUG: combine_notes_overwrite failed");
return 0;
case NOTES_MERGE_RESOLVE_UNION:
- OUTPUT(o, 2, "Concatenating local and remote notes for %s",
- sha1_to_hex(p->obj));
+ if (o->verbosity >= 2)
+ printf("Concatenating local and remote notes for %s\n",
+ sha1_to_hex(p->obj));
if (add_note(t, p->obj, p->remote, combine_notes_concatenate))
die("failed to concatenate notes "
"(combine_notes_concatenate)");
return 0;
case NOTES_MERGE_RESOLVE_CAT_SORT_UNIQ:
- OUTPUT(o, 2, "Concatenating unique lines in local and remote "
- "notes for %s", sha1_to_hex(p->obj));
+ if (o->verbosity >= 2)
+ printf("Concatenating unique lines in local and remote "
+ "notes for %s\n", sha1_to_hex(p->obj));
if (add_note(t, p->obj, p->remote, combine_notes_cat_sort_uniq))
die("failed to concatenate notes "
"(combine_notes_cat_sort_uniq)");
conflicts = merge_changes(o, changes, &num_changes, t);
free(changes);
- OUTPUT(o, 4, "Merge result: %i unmerged notes and a %s notes tree",
- conflicts, t->dirty ? "dirty" : "clean");
+ if (o->verbosity >= 4)
+ printf(t->dirty ?
+ "Merge result: %i unmerged notes and a dirty notes tree\n" :
+ "Merge result: %i unmerged notes and a clean notes tree\n",
+ conflicts);
return conflicts ? -1 : 1;
}
-void create_notes_commit(struct notes_tree *t, struct commit_list *parents,
- const char *msg, unsigned char *result_sha1)
-{
- unsigned char tree_sha1[20];
-
- assert(t->initialized);
-
- if (write_notes_tree(t, tree_sha1))
- die("Failed to write notes tree to database");
-
- if (!parents) {
- /* Deduce parent commit from t->ref */
- unsigned char parent_sha1[20];
- if (!read_ref(t->ref, parent_sha1)) {
- struct commit *parent = lookup_commit(parent_sha1);
- if (!parent || parse_commit(parent))
- die("Failed to find/parse commit %s", t->ref);
- commit_list_insert(parent, &parents);
- }
- /* else: t->ref points to nothing, assume root/orphan commit */
- }
-
- if (commit_tree(msg, tree_sha1, parents, result_sha1, NULL, NULL))
- die("Failed to commit notes tree to database");
-}
-
int notes_merge(struct notes_merge_options *o,
struct notes_tree *local_tree,
unsigned char *result_sha1)
o->local_ref, o->remote_ref);
/* Dereference o->local_ref into local_sha1 */
- if (!resolve_ref(o->local_ref, local_sha1, 0, NULL))
+ if (read_ref_full(o->local_ref, local_sha1, 0, NULL))
die("Failed to resolve local notes ref '%s'", o->local_ref);
else if (!check_refname_format(o->local_ref, 0) &&
is_null_sha1(local_sha1))
if (!bases) {
base_sha1 = null_sha1;
base_tree_sha1 = EMPTY_TREE_SHA1_BIN;
- OUTPUT(o, 4, "No merge base found; doing history-less merge");
+ if (o->verbosity >= 4)
+ printf("No merge base found; doing history-less merge\n");
} else if (!bases->next) {
base_sha1 = bases->item->object.sha1;
base_tree_sha1 = bases->item->tree->object.sha1;
- OUTPUT(o, 4, "One merge base found (%.7s)",
- sha1_to_hex(base_sha1));
+ if (o->verbosity >= 4)
+ printf("One merge base found (%.7s)\n",
+ sha1_to_hex(base_sha1));
} else {
/* TODO: How to handle multiple merge-bases? */
base_sha1 = bases->item->object.sha1;
base_tree_sha1 = bases->item->tree->object.sha1;
- OUTPUT(o, 3, "Multiple merge bases found. Using the first "
- "(%.7s)", sha1_to_hex(base_sha1));
+ if (o->verbosity >= 3)
+ printf("Multiple merge bases found. Using the first "
+ "(%.7s)\n", sha1_to_hex(base_sha1));
}
- OUTPUT(o, 4, "Merging remote commit %.7s into local commit %.7s with "
- "merge-base %.7s", sha1_to_hex(remote->object.sha1),
- sha1_to_hex(local->object.sha1), sha1_to_hex(base_sha1));
+ if (o->verbosity >= 4)
+ printf("Merging remote commit %.7s into local commit %.7s with "
+ "merge-base %.7s\n", sha1_to_hex(remote->object.sha1),
+ sha1_to_hex(local->object.sha1),
+ sha1_to_hex(base_sha1));
if (!hashcmp(remote->object.sha1, base_sha1)) {
/* Already merged; result == local commit */
- OUTPUT(o, 2, "Already up-to-date!");
+ if (o->verbosity >= 2)
+ printf("Already up-to-date!\n");
hashcpy(result_sha1, local->object.sha1);
goto found_result;
}
if (!hashcmp(local->object.sha1, base_sha1)) {
/* Fast-forward; result == remote commit */
- OUTPUT(o, 2, "Fast-forward");
+ if (o->verbosity >= 2)
+ printf("Fast-forward\n");
hashcpy(result_sha1, remote->object.sha1);
goto found_result;
}
struct commit_list *parents = NULL;
commit_list_insert(remote, &parents); /* LIFO order */
commit_list_insert(local, &parents);
- create_notes_commit(local_tree, parents, o->commit_msg.buf,
+ create_notes_commit(local_tree, parents, &o->commit_msg,
result_sha1);
}
{
/*
* Iterate through files in .git/NOTES_MERGE_WORKTREE and add all
- * found notes to 'partial_tree'. Write the updates notes tree to
+ * found notes to 'partial_tree'. Write the updated notes tree to
* the DB, and commit the resulting tree object while reusing the
* commit message and parents from 'partial_commit'.
* Finally store the new commit object SHA1 into 'result_sha1'.
*/
- struct dir_struct dir;
- char *path = xstrdup(git_path(NOTES_MERGE_WORKTREE "/"));
- int path_len = strlen(path), i;
- const char *msg = strstr(partial_commit->buffer, "\n\n");
-
- OUTPUT(o, 3, "Committing notes in notes merge worktree at %.*s",
- path_len - 1, path);
+ DIR *dir;
+ struct dirent *e;
+ struct strbuf path = STRBUF_INIT;
+ char *msg = strstr(partial_commit->buffer, "\n\n");
+ struct strbuf sb_msg = STRBUF_INIT;
+ int baselen;
+
+ strbuf_addstr(&path, git_path(NOTES_MERGE_WORKTREE));
+ if (o->verbosity >= 3)
+ printf("Committing notes in notes merge worktree at %s\n",
+ path.buf);
if (!msg || msg[2] == '\0')
die("partial notes commit has empty message");
msg += 2;
- memset(&dir, 0, sizeof(dir));
- read_directory(&dir, path, path_len, NULL);
- for (i = 0; i < dir.nr; i++) {
- struct dir_entry *ent = dir.entries[i];
+ dir = opendir(path.buf);
+ if (!dir)
+ die_errno("could not open %s", path.buf);
+
+ strbuf_addch(&path, '/');
+ baselen = path.len;
+ while ((e = readdir(dir)) != NULL) {
struct stat st;
- const char *relpath = ent->name + path_len;
unsigned char obj_sha1[20], blob_sha1[20];
- if (ent->len - path_len != 40 || get_sha1_hex(relpath, obj_sha1)) {
- OUTPUT(o, 3, "Skipping non-SHA1 entry '%s'", ent->name);
+ if (is_dot_or_dotdot(e->d_name))
+ continue;
+
+ if (strlen(e->d_name) != 40 || get_sha1_hex(e->d_name, obj_sha1)) {
+ if (o->verbosity >= 3)
+ printf("Skipping non-SHA1 entry '%s%s'\n",
+ path.buf, e->d_name);
continue;
}
+ strbuf_addstr(&path, e->d_name);
/* write file as blob, and add to partial_tree */
- if (stat(ent->name, &st))
- die_errno("Failed to stat '%s'", ent->name);
- if (index_path(blob_sha1, ent->name, &st, HASH_WRITE_OBJECT))
- die("Failed to write blob object from '%s'", ent->name);
+ if (stat(path.buf, &st))
+ die_errno("Failed to stat '%s'", path.buf);
+ if (index_path(blob_sha1, path.buf, &st, HASH_WRITE_OBJECT))
+ die("Failed to write blob object from '%s'", path.buf);
if (add_note(partial_tree, obj_sha1, blob_sha1, NULL))
die("Failed to add resolved note '%s' to notes tree",
- ent->name);
- OUTPUT(o, 4, "Added resolved note for object %s: %s",
- sha1_to_hex(obj_sha1), sha1_to_hex(blob_sha1));
+ path.buf);
+ if (o->verbosity >= 4)
+ printf("Added resolved note for object %s: %s\n",
+ sha1_to_hex(obj_sha1), sha1_to_hex(blob_sha1));
+ strbuf_setlen(&path, baselen);
}
- create_notes_commit(partial_tree, partial_commit->parents, msg,
+ strbuf_attach(&sb_msg, msg, strlen(msg), strlen(msg) + 1);
+ create_notes_commit(partial_tree, partial_commit->parents, &sb_msg,
result_sha1);
- OUTPUT(o, 4, "Finalized notes merge commit: %s",
- sha1_to_hex(result_sha1));
- free(path);
+ if (o->verbosity >= 4)
+ printf("Finalized notes merge commit: %s\n",
+ sha1_to_hex(result_sha1));
+ strbuf_release(&path);
+ closedir(dir);
return 0;
}
int notes_merge_abort(struct notes_merge_options *o)
{
- /* Remove .git/NOTES_MERGE_WORKTREE directory and all files within */
+ /*
+ * Remove all files within .git/NOTES_MERGE_WORKTREE. We do not remove
+ * the .git/NOTES_MERGE_WORKTREE directory itself, since it might be
+ * the current working directory of the user.
+ */
struct strbuf buf = STRBUF_INIT;
int ret;
strbuf_addstr(&buf, git_path(NOTES_MERGE_WORKTREE));
- OUTPUT(o, 3, "Removing notes merge worktree at %s", buf.buf);
- ret = remove_dir_recursively(&buf, 0);
+ if (o->verbosity >= 3)
+ printf("Removing notes merge worktree at %s/*\n", buf.buf);
+ ret = remove_dir_recursively(&buf, REMOVE_DIR_KEEP_TOPLEVEL);
strbuf_release(&buf);
return ret;
}