static void file_add_remove(struct diff_options *options,
int addremove, unsigned mode,
const unsigned char *sha1,
+ int sha1_valid,
const char *fullpath, unsigned dirty_submodule)
{
int diff = addremove == '+' ? REV_TREE_NEW : REV_TREE_OLD;
unsigned old_mode, unsigned new_mode,
const unsigned char *old_sha1,
const unsigned char *new_sha1,
+ int old_sha1_valid, int new_sha1_valid,
const char *fullpath,
unsigned old_dirty_submodule, unsigned new_dirty_submodule)
{
flags ^= UNINTERESTING;
arg++;
}
- if (get_sha1(arg, sha1))
+ if (get_sha1_committish(arg, sha1))
return 0;
while (1) {
it = get_reference(revs, arg, sha1, 0);
revs->limited = 1;
}
-int handle_revision_arg(const char *arg_, struct rev_info *revs,
- int flags,
- int cant_be_filename)
+int handle_revision_arg(const char *arg_, struct rev_info *revs, int flags, unsigned revarg_opt)
{
- unsigned mode;
+ struct object_context oc;
char *dotdot;
struct object *object;
unsigned char sha1[20];
int local_flags;
const char *arg = arg_;
+ int cant_be_filename = revarg_opt & REVARG_CANNOT_BE_FILENAME;
+ unsigned get_sha1_flags = 0;
dotdot = strstr(arg, "..");
if (dotdot) {
const char *this = arg;
int symmetric = *next == '.';
unsigned int flags_exclude = flags ^ UNINTERESTING;
+ static const char head_by_default[] = "HEAD";
unsigned int a_flags;
*dotdot = 0;
next += symmetric;
if (!*next)
- next = "HEAD";
+ next = head_by_default;
if (dotdot == arg)
- this = "HEAD";
- if (!get_sha1(this, from_sha1) &&
- !get_sha1(next, sha1)) {
+ this = head_by_default;
+ if (this == head_by_default && next == head_by_default &&
+ !symmetric) {
+ /*
+ * Just ".."? That is not a range but the
+ * pathspec for the parent directory.
+ */
+ if (!cant_be_filename) {
+ *dotdot = '.';
+ return -1;
+ }
+ }
+ if (!get_sha1_committish(this, from_sha1) &&
+ !get_sha1_committish(next, sha1)) {
struct commit *a, *b;
struct commit_list *exclude;
local_flags = UNINTERESTING;
arg++;
}
- if (get_sha1_with_mode(arg, sha1, &mode))
+
+ if (revarg_opt & REVARG_COMMITTISH)
+ get_sha1_flags = GET_SHA1_COMMITTISH;
+
+ if (get_sha1_with_context(arg, get_sha1_flags, sha1, &oc))
return revs->ignore_missing ? 0 : -1;
if (!cant_be_filename)
verify_non_filename(revs->prefix, arg);
object = get_reference(revs, arg, sha1, flags ^ local_flags);
add_rev_cmdline(revs, object, arg_, REV_CMD_REV, flags ^ local_flags);
- add_pending_object_with_mode(revs, object, arg, mode);
+ add_pending_object_with_mode(revs, object, arg, oc.mode);
return 0;
}
}
die("options not supported in --stdin mode");
}
- if (handle_revision_arg(sb.buf, revs, 0, 1))
+ if (handle_revision_arg(sb.buf, revs, 0, REVARG_CANNOT_BE_FILENAME))
die("bad revision '%s'", sb.buf);
}
if (seen_dashdash)
revs->topo_order = 1;
} else if (!strcmp(arg, "--simplify-merges")) {
revs->simplify_merges = 1;
+ revs->topo_order = 1;
revs->rewrite_parents = 1;
revs->simplify_history = 0;
revs->limited = 1;
} else if (!strcmp(arg, "--simplify-by-decoration")) {
revs->simplify_merges = 1;
+ revs->topo_order = 1;
revs->rewrite_parents = 1;
revs->simplify_history = 0;
revs->simplify_by_decoration = 1;
*/
int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct setup_revision_opt *opt)
{
- int i, flags, left, seen_dashdash, read_from_stdin, got_rev_arg = 0;
+ int i, flags, left, seen_dashdash, read_from_stdin, got_rev_arg = 0, revarg_opt;
struct cmdline_pathspec prune_data;
const char *submodule = NULL;
/* Second, deal with arguments and options */
flags = 0;
+ revarg_opt = opt ? opt->revarg_opt : 0;
+ if (seen_dashdash)
+ revarg_opt |= REVARG_CANNOT_BE_FILENAME;
read_from_stdin = 0;
for (left = i = 1; i < argc; i++) {
const char *arg = argv[i];
continue;
}
- if (handle_revision_arg(arg, revs, flags, seen_dashdash)) {
+
+ if (handle_revision_arg(arg, revs, flags, revarg_opt)) {
int j;
if (seen_dashdash || *arg == '^')
die("bad revision '%s'", arg);
* but the latter we have checked in the main loop.
*/
for (j = i; j < argc; j++)
- verify_filename(revs->prefix, argv[j]);
+ verify_filename(revs->prefix, argv[j], j == i);
append_prune_data(&prune_data, argv + i);
break;
if (revs->def && !revs->pending.nr && !got_rev_arg) {
unsigned char sha1[20];
struct object *object;
- unsigned mode;
- if (get_sha1_with_mode(revs->def, sha1, &mode))
+ struct object_context oc;
+ if (get_sha1_with_context(revs->def, 0, sha1, &oc))
die("bad default revision '%s'", revs->def);
object = get_reference(revs, revs->def, sha1, 0);
- add_pending_object_with_mode(revs, object, revs->def, mode);
+ add_pending_object_with_mode(revs, object, revs->def, oc.mode);
}
/* Did the user ask for any diff output? Run the diff! */
if (revs->combine_merges)
revs->ignore_merges = 0;
revs->diffopt.abbrev = revs->abbrev;
- if (diff_setup_done(&revs->diffopt) < 0)
- die("diff_setup_done failed");
+ diff_setup_done(&revs->diffopt);
compile_grep_patterns(&revs->grep_filter);
}
/*
- * Do we know what commit all of our parents should be rewritten to?
- * Otherwise we are not ready to rewrite this one yet.
+ * Do we know what commit all of our parents that matter
+ * should be rewritten to? Otherwise we are not ready to
+ * rewrite this one yet.
*/
for (cnt = 0, p = commit->parents; p; p = p->next) {
pst = locate_simplify_state(revs, p->item);
tail = &commit_list_insert(p->item, tail)->next;
cnt++;
}
+ if (revs->first_parent_only)
+ break;
}
if (cnt) {
tail = &commit_list_insert(commit, tail)->next;
for (p = commit->parents; p; p = p->next) {
pst = locate_simplify_state(revs, p->item);
p->item = pst->simplified;
+ if (revs->first_parent_only)
+ break;
}
- cnt = remove_duplicate_parents(commit);
+ if (!revs->first_parent_only)
+ cnt = remove_duplicate_parents(commit);
+ else
+ cnt = 1;
/*
* It is possible that we are a merge and one side branch
static void simplify_merges(struct rev_info *revs)
{
- struct commit_list *list;
+ struct commit_list *list, *next;
struct commit_list *yet_to_do, **tail;
+ struct commit *commit;
- if (!revs->topo_order)
- sort_in_topological_order(&revs->commits, revs->lifo);
if (!revs->prune)
return;
/* feed the list reversed */
yet_to_do = NULL;
- for (list = revs->commits; list; list = list->next)
- commit_list_insert(list->item, &yet_to_do);
+ for (list = revs->commits; list; list = next) {
+ commit = list->item;
+ next = list->next;
+ /*
+ * Do not free(list) here yet; the original list
+ * is used later in this function.
+ */
+ commit_list_insert(commit, &yet_to_do);
+ }
while (yet_to_do) {
list = yet_to_do;
yet_to_do = NULL;
tail = &yet_to_do;
while (list) {
- struct commit *commit = list->item;
- struct commit_list *next = list->next;
+ commit = list->item;
+ next = list->next;
free(list);
list = next;
tail = simplify_one(revs, commit, tail);
revs->commits = NULL;
tail = &revs->commits;
while (list) {
- struct commit *commit = list->item;
- struct commit_list *next = list->next;
struct merge_simplify_state *st;
+
+ commit = list->item;
+ next = list->next;
free(list);
list = next;
st = locate_simplify_state(revs, commit);
}
/*
- * Now pick up what they want to give us
+ * If our max_count counter has reached zero, then we are done. We
+ * don't simply return NULL because we still might need to show
+ * boundary commits. But we want to avoid calling get_revision_1, which
+ * might do a considerable amount of work finding the next commit only
+ * for us to throw it away.
+ *
+ * If it is non-zero, then either we don't have a max_count at all
+ * (-1), or it is still counting, in which case we decrement.
*/
- c = get_revision_1(revs);
- if (c) {
- while (0 < revs->skip_count) {
- revs->skip_count--;
- c = get_revision_1(revs);
- if (!c)
- break;
+ if (revs->max_count) {
+ c = get_revision_1(revs);
+ if (c) {
+ while (0 < revs->skip_count) {
+ revs->skip_count--;
+ c = get_revision_1(revs);
+ if (!c)
+ break;
+ }
}
- }
- /*
- * Check the max_count.
- */
- switch (revs->max_count) {
- case -1:
- break;
- case 0:
- c = NULL;
- break;
- default:
- revs->max_count--;
+ if (revs->max_count > 0)
+ revs->max_count--;
}
if (c)