#include "diff.h"
#include "refs.h"
#include "revision.h"
+#include "grep.h"
+#include "reflog-walk.h"
static char *path_name(struct name_path *path, const char *name)
{
void add_pending_object(struct rev_info *revs, struct object *obj, const char *name)
{
add_object_array(obj, name, &revs->pending);
+ if (revs->reflog_info && obj->type == OBJ_COMMIT)
+ add_reflog_for_walk(revs->reflog_info,
+ (struct commit *)obj, name);
}
static struct object *get_reference(struct rev_info *revs, const char *name, const unsigned char *sha1, unsigned int flags)
/*
* Tag object? Look what it points to..
*/
- while (object->type == TYPE_TAG) {
+ while (object->type == OBJ_TAG) {
struct tag *tag = (struct tag *) object;
if (revs->tag_objects && !(flags & UNINTERESTING))
add_pending_object(revs, object, tag->tag);
* Commit object? Just return it, we'll do all the complex
* reachability crud.
*/
- if (object->type == TYPE_COMMIT) {
+ if (object->type == OBJ_COMMIT) {
struct commit *commit = (struct commit *)object;
if (parse_commit(commit) < 0)
die("unable to parse commit %s", name);
* Tree object? Either mark it uniniteresting, or add it
* to the list of objects to look at later..
*/
- if (object->type == TYPE_TREE) {
+ if (object->type == OBJ_TREE) {
struct tree *tree = (struct tree *)object;
if (!revs->tree_objects)
return NULL;
/*
* Blob object? You know the drill by now..
*/
- if (object->type == TYPE_BLOB) {
+ if (object->type == OBJ_BLOB) {
struct blob *blob = (struct blob *)object;
if (!revs->blob_objects)
return NULL;
static void add_parents_to_list(struct rev_info *revs, struct commit *commit, struct commit_list **list)
{
struct commit_list *parent = commit->parents;
+ unsigned left_flag;
if (commit->object.flags & ADDED)
return;
if (revs->no_walk)
return;
+ left_flag = (commit->object.flags & SYMMETRIC_LEFT);
parent = commit->parents;
while (parent) {
struct commit *p = parent->item;
parent = parent->next;
parse_commit(p);
+ p->object.flags |= left_flag;
if (p->object.flags & SEEN)
continue;
p->object.flags |= SEEN;
if (revs->max_age != -1 && (commit->date < revs->max_age))
obj->flags |= UNINTERESTING;
- if (revs->unpacked && has_sha1_pack(obj->sha1))
- obj->flags |= UNINTERESTING;
add_parents_to_list(revs, commit, &list);
if (obj->flags & UNINTERESTING) {
mark_parents_uninteresting(commit);
revs->commits = newlist;
}
-static int all_flags;
-static struct rev_info *all_revs;
+struct all_refs_cb {
+ int all_flags;
+ int warned_bad_reflog;
+ struct rev_info *all_revs;
+ const char *name_for_errormsg;
+};
-static int handle_one_ref(const char *path, const unsigned char *sha1)
+static int handle_one_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data)
{
- struct object *object = get_reference(all_revs, path, sha1, all_flags);
- add_pending_object(all_revs, object, "");
+ struct all_refs_cb *cb = cb_data;
+ struct object *object = get_reference(cb->all_revs, path, sha1,
+ cb->all_flags);
+ add_pending_object(cb->all_revs, object, "");
return 0;
}
static void handle_all(struct rev_info *revs, unsigned flags)
{
- all_revs = revs;
- all_flags = flags;
- for_each_ref(handle_one_ref);
+ struct all_refs_cb cb;
+ cb.all_revs = revs;
+ cb.all_flags = flags;
+ for_each_ref(handle_one_ref, &cb);
+}
+
+static void handle_one_reflog_commit(unsigned char *sha1, void *cb_data)
+{
+ struct all_refs_cb *cb = cb_data;
+ if (!is_null_sha1(sha1)) {
+ struct object *o = parse_object(sha1);
+ if (o) {
+ o->flags |= cb->all_flags;
+ add_pending_object(cb->all_revs, o, "");
+ }
+ else if (!cb->warned_bad_reflog) {
+ warn("reflog of '%s' references pruned commits",
+ cb->name_for_errormsg);
+ cb->warned_bad_reflog = 1;
+ }
+ }
+}
+
+static int handle_one_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
+ const char *email, unsigned long timestamp, int tz,
+ const char *message, void *cb_data)
+{
+ handle_one_reflog_commit(osha1, cb_data);
+ handle_one_reflog_commit(nsha1, cb_data);
+ return 0;
+}
+
+static int handle_one_reflog(const char *path, const unsigned char *sha1, int flag, void *cb_data)
+{
+ struct all_refs_cb *cb = cb_data;
+ cb->warned_bad_reflog = 0;
+ cb->name_for_errormsg = path;
+ for_each_reflog_ent(path, handle_one_reflog_ent, cb_data);
+ return 0;
+}
+
+static void handle_reflog(struct rev_info *revs, unsigned flags)
+{
+ struct all_refs_cb cb;
+ cb.all_revs = revs;
+ cb.all_flags = flags;
+ for_each_ref(handle_one_reflog, &cb);
}
static int add_parents_only(struct rev_info *revs, const char *arg, int flags)
return 0;
while (1) {
it = get_reference(revs, arg, sha1, 0);
- if (it->type != TYPE_TAG)
+ if (it->type != OBJ_TAG)
break;
- memcpy(sha1, ((struct tag*)it)->tagged->sha1, 20);
+ hashcpy(sha1, ((struct tag*)it)->tagged->sha1);
}
- if (it->type != TYPE_COMMIT)
+ if (it->type != OBJ_COMMIT)
return 0;
commit = (struct commit *)it;
for (parents = commit->parents; parents; parents = parents->next) {
return 1;
}
-void init_revisions(struct rev_info *revs)
+void init_revisions(struct rev_info *revs, const char *prefix)
{
memset(revs, 0, sizeof(*revs));
revs->pruning.change = file_change;
revs->lifo = 1;
revs->dense = 1;
- revs->prefix = setup_git_directory();
+ revs->prefix = prefix;
revs->max_age = -1;
revs->min_age = -1;
+ revs->skip_count = -1;
revs->max_count = -1;
revs->prune_fn = NULL;
}
}
+static void prepare_show_merge(struct rev_info *revs)
+{
+ struct commit_list *bases;
+ struct commit *head, *other;
+ unsigned char sha1[20];
+ const char **prune = NULL;
+ int i, prune_num = 1; /* counting terminating NULL */
+
+ if (get_sha1("HEAD", sha1) || !(head = lookup_commit(sha1)))
+ die("--merge without HEAD?");
+ if (get_sha1("MERGE_HEAD", sha1) || !(other = lookup_commit(sha1)))
+ die("--merge without MERGE_HEAD?");
+ add_pending_object(revs, &head->object, "HEAD");
+ add_pending_object(revs, &other->object, "MERGE_HEAD");
+ bases = get_merge_bases(head, other, 1);
+ while (bases) {
+ struct commit *it = bases->item;
+ struct commit_list *n = bases->next;
+ free(bases);
+ bases = n;
+ it->object.flags |= UNINTERESTING;
+ add_pending_object(revs, &it->object, "(merge-base)");
+ }
+
+ if (!active_nr)
+ read_cache();
+ for (i = 0; i < active_nr; i++) {
+ struct cache_entry *ce = active_cache[i];
+ if (!ce_stage(ce))
+ continue;
+ if (ce_path_match(ce, revs->prune_data)) {
+ prune_num++;
+ prune = xrealloc(prune, sizeof(*prune) * prune_num);
+ prune[prune_num-2] = ce->name;
+ prune[prune_num-1] = NULL;
+ }
+ while ((i+1 < active_nr) &&
+ ce_same_name(ce, active_cache[i+1]))
+ i++;
+ }
+ revs->prune_data = prune;
+}
+
+int handle_revision_arg(const char *arg, struct rev_info *revs,
+ int flags,
+ int cant_be_filename)
+{
+ char *dotdot;
+ struct object *object;
+ unsigned char sha1[20];
+ int local_flags;
+
+ dotdot = strstr(arg, "..");
+ if (dotdot) {
+ unsigned char from_sha1[20];
+ const char *next = dotdot + 2;
+ const char *this = arg;
+ int symmetric = *next == '.';
+ unsigned int flags_exclude = flags ^ UNINTERESTING;
+
+ *dotdot = 0;
+ next += symmetric;
+
+ if (!*next)
+ next = "HEAD";
+ if (dotdot == arg)
+ this = "HEAD";
+ if (!get_sha1(this, from_sha1) &&
+ !get_sha1(next, sha1)) {
+ struct commit *a, *b;
+ struct commit_list *exclude;
+
+ a = lookup_commit_reference(from_sha1);
+ b = lookup_commit_reference(sha1);
+ if (!a || !b) {
+ die(symmetric ?
+ "Invalid symmetric difference expression %s...%s" :
+ "Invalid revision range %s..%s",
+ arg, next);
+ }
+
+ if (!cant_be_filename) {
+ *dotdot = '.';
+ verify_non_filename(revs->prefix, arg);
+ }
+
+ if (symmetric) {
+ exclude = get_merge_bases(a, b, 1);
+ add_pending_commit_list(revs, exclude,
+ flags_exclude);
+ free_commit_list(exclude);
+ a->object.flags |= flags | SYMMETRIC_LEFT;
+ } else
+ a->object.flags |= flags_exclude;
+ b->object.flags |= flags;
+ add_pending_object(revs, &a->object, this);
+ add_pending_object(revs, &b->object, next);
+ return 0;
+ }
+ *dotdot = '.';
+ }
+ dotdot = strstr(arg, "^@");
+ if (dotdot && !dotdot[2]) {
+ *dotdot = 0;
+ if (add_parents_only(revs, arg, flags))
+ return 0;
+ *dotdot = '^';
+ }
+ dotdot = strstr(arg, "^!");
+ if (dotdot && !dotdot[2]) {
+ *dotdot = 0;
+ if (!add_parents_only(revs, arg, flags ^ UNINTERESTING))
+ *dotdot = '^';
+ }
+
+ local_flags = 0;
+ if (*arg == '^') {
+ local_flags = UNINTERESTING;
+ arg++;
+ }
+ if (get_sha1(arg, sha1))
+ return -1;
+ if (!cant_be_filename)
+ verify_non_filename(revs->prefix, arg);
+ object = get_reference(revs, arg, sha1, flags ^ local_flags);
+ add_pending_object(revs, object, arg);
+ return 0;
+}
+
+static void add_grep(struct rev_info *revs, const char *ptn, enum grep_pat_token what)
+{
+ if (!revs->grep_filter) {
+ struct grep_opt *opt = xcalloc(1, sizeof(*opt));
+ opt->status_only = 1;
+ opt->pattern_tail = &(opt->pattern_list);
+ opt->regflags = REG_NEWLINE;
+ revs->grep_filter = opt;
+ }
+ append_grep_pattern(revs->grep_filter, ptn,
+ "command line", 0, what);
+}
+
+static void add_header_grep(struct rev_info *revs, const char *field, const char *pattern)
+{
+ char *pat;
+ const char *prefix;
+ int patlen, fldlen;
+
+ fldlen = strlen(field);
+ patlen = strlen(pattern);
+ pat = xmalloc(patlen + fldlen + 10);
+ prefix = ".*";
+ if (*pattern == '^') {
+ prefix = "";
+ pattern++;
+ }
+ sprintf(pat, "^%s %s%s", field, prefix, pattern);
+ add_grep(revs, pat, GREP_PATTERN_HEAD);
+}
+
+static void add_message_grep(struct rev_info *revs, const char *pattern)
+{
+ add_grep(revs, pattern, GREP_PATTERN_BODY);
+}
+
+static void add_ignore_packed(struct rev_info *revs, const char *name)
+{
+ int num = ++revs->num_ignore_packed;
+
+ revs->ignore_packed = xrealloc(revs->ignore_packed,
+ sizeof(const char **) * (num + 1));
+ revs->ignore_packed[num-1] = name;
+ revs->ignore_packed[num] = NULL;
+}
+
/*
* Parse revision information, filling in the "rev_info" structure,
* and removing the used arguments from the argument list.
*/
int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def)
{
- int i, flags, seen_dashdash;
+ int i, flags, seen_dashdash, show_merge;
const char **unrecognized = argv + 1;
int left = 1;
+ int all_match = 0;
/* First, search for "--" */
seen_dashdash = 0;
break;
}
- flags = 0;
+ flags = show_merge = 0;
for (i = 1; i < argc; i++) {
- struct object *object;
const char *arg = argv[i];
- unsigned char sha1[20];
- char *dotdot;
- int local_flags;
-
if (*arg == '-') {
int opts;
if (!strncmp(arg, "--max-count=", 12)) {
revs->max_count = atoi(arg + 12);
continue;
}
+ if (!strncmp(arg, "--skip=", 7)) {
+ revs->skip_count = atoi(arg + 7);
+ continue;
+ }
/* accept -<digit>, like traditional "head" */
if ((*arg == '-') && isdigit(arg[1])) {
revs->max_count = atoi(arg + 1);
handle_all(revs, flags);
continue;
}
+ if (!strcmp(arg, "--reflog")) {
+ handle_reflog(revs, flags);
+ continue;
+ }
+ if (!strcmp(arg, "-g") ||
+ !strcmp(arg, "--walk-reflogs")) {
+ init_reflog_walk(&revs->reflog_info);
+ continue;
+ }
if (!strcmp(arg, "--not")) {
flags ^= UNINTERESTING;
continue;
def = argv[i];
continue;
}
+ if (!strcmp(arg, "--merge")) {
+ show_merge = 1;
+ continue;
+ }
if (!strcmp(arg, "--topo-order")) {
revs->topo_order = 1;
continue;
revs->boundary = 1;
continue;
}
+ if (!strcmp(arg, "--left-right")) {
+ revs->left_right = 1;
+ continue;
+ }
if (!strcmp(arg, "--objects")) {
revs->tag_objects = 1;
revs->tree_objects = 1;
}
if (!strcmp(arg, "--unpacked")) {
revs->unpacked = 1;
+ free(revs->ignore_packed);
+ revs->ignore_packed = NULL;
+ revs->num_ignore_packed = 0;
+ continue;
+ }
+ if (!strncmp(arg, "--unpacked=", 11)) {
+ revs->unpacked = 1;
+ add_ignore_packed(revs, arg+11);
continue;
}
if (!strcmp(arg, "-r")) {
revs->simplify_history = 0;
continue;
}
+ if (!strcmp(arg, "--relative-date")) {
+ revs->relative_date = 1;
+ continue;
+ }
+
+ /*
+ * Grepping the commit log
+ */
+ if (!strncmp(arg, "--author=", 9)) {
+ add_header_grep(revs, "author", arg+9);
+ continue;
+ }
+ if (!strncmp(arg, "--committer=", 12)) {
+ add_header_grep(revs, "committer", arg+12);
+ continue;
+ }
+ if (!strncmp(arg, "--grep=", 7)) {
+ add_message_grep(revs, arg+7);
+ continue;
+ }
+ if (!strcmp(arg, "--all-match")) {
+ all_match = 1;
+ continue;
+ }
+ if (!strncmp(arg, "--encoding=", 11)) {
+ arg += 11;
+ if (strcmp(arg, "none"))
+ git_log_output_encoding = strdup(arg);
+ else
+ git_log_output_encoding = "";
+ continue;
+ }
+
opts = diff_opt_parse(&revs->diffopt, argv+i, argc-i);
if (opts > 0) {
revs->diff = 1;
left++;
continue;
}
- dotdot = strstr(arg, "..");
- if (dotdot) {
- unsigned char from_sha1[20];
- const char *next = dotdot + 2;
- const char *this = arg;
- int symmetric = *next == '.';
- unsigned int flags_exclude = flags ^ UNINTERESTING;
-
- *dotdot = 0;
- next += symmetric;
-
- if (!*next)
- next = "HEAD";
- if (dotdot == arg)
- this = "HEAD";
- if (!get_sha1(this, from_sha1) &&
- !get_sha1(next, sha1)) {
- struct commit *a, *b;
- struct commit_list *exclude;
-
- a = lookup_commit_reference(from_sha1);
- b = lookup_commit_reference(sha1);
- if (!a || !b) {
- die(symmetric ?
- "Invalid symmetric difference expression %s...%s" :
- "Invalid revision range %s..%s",
- arg, next);
- }
-
- if (!seen_dashdash) {
- *dotdot = '.';
- verify_non_filename(revs->prefix, arg);
- }
-
- if (symmetric) {
- exclude = get_merge_bases(a, b, 1);
- add_pending_commit_list(revs, exclude,
- flags_exclude);
- a->object.flags |= flags;
- } else
- a->object.flags |= flags_exclude;
- b->object.flags |= flags;
- add_pending_object(revs, &a->object, this);
- add_pending_object(revs, &b->object, next);
- continue;
- }
- *dotdot = '.';
- }
- dotdot = strstr(arg, "^@");
- if (dotdot && !dotdot[2]) {
- *dotdot = 0;
- if (add_parents_only(revs, arg, flags))
- continue;
- *dotdot = '^';
- }
- local_flags = 0;
- if (*arg == '^') {
- local_flags = UNINTERESTING;
- arg++;
- }
- if (get_sha1(arg, sha1)) {
- int j;
- if (seen_dashdash || local_flags)
+ if (handle_revision_arg(arg, revs, flags, seen_dashdash)) {
+ int j;
+ if (seen_dashdash || *arg == '^')
die("bad revision '%s'", arg);
/* If we didn't have a "--":
for (j = i; j < argc; j++)
verify_filename(revs->prefix, argv[j]);
- revs->prune_data = get_pathspec(revs->prefix, argv + i);
+ revs->prune_data = get_pathspec(revs->prefix,
+ argv + i);
break;
}
- if (!seen_dashdash)
- verify_non_filename(revs->prefix, arg);
- object = get_reference(revs, arg, sha1, flags ^ local_flags);
- add_pending_object(revs, object, arg);
}
+
+ if (show_merge)
+ prepare_show_merge(revs);
if (def && !revs->pending.nr) {
unsigned char sha1[20];
struct object *object;
add_pending_object(revs, object, def);
}
- if (revs->topo_order || revs->unpacked)
+ if (revs->topo_order)
revs->limited = 1;
if (revs->prune_data) {
}
if (revs->combine_merges) {
revs->ignore_merges = 0;
- if (revs->dense_combined_merges &&
- (revs->diffopt.output_format != DIFF_FORMAT_DIFFSTAT))
+ if (revs->dense_combined_merges && !revs->diffopt.output_format)
revs->diffopt.output_format = DIFF_FORMAT_PATCH;
}
revs->diffopt.abbrev = revs->abbrev;
- diff_setup_done(&revs->diffopt);
+ if (diff_setup_done(&revs->diffopt) < 0)
+ die("diff_setup_done failed");
+
+ if (revs->grep_filter) {
+ revs->grep_filter->all_match = all_match;
+ compile_grep_patterns(revs->grep_filter);
+ }
return left;
}
void prepare_revision_walk(struct rev_info *revs)
{
int nr = revs->pending.nr;
- struct object_array_entry *list = revs->pending.objects;
+ struct object_array_entry *e, *list;
+ e = list = revs->pending.objects;
revs->pending.nr = 0;
revs->pending.alloc = 0;
revs->pending.objects = NULL;
while (--nr >= 0) {
- struct commit *commit = handle_commit(revs, list->item, list->name);
+ struct commit *commit = handle_commit(revs, e->item, e->name);
if (commit) {
if (!(commit->object.flags & SEEN)) {
commit->object.flags |= SEEN;
insert_by_date(commit, &revs->commits);
}
}
- list++;
+ e++;
}
+ free(list);
if (revs->no_walk)
return;
}
}
-struct commit *get_revision(struct rev_info *revs)
+static int commit_match(struct commit *commit, struct rev_info *opt)
{
- struct commit_list *list = revs->commits;
-
- if (!list)
- return NULL;
+ if (!opt->grep_filter)
+ return 1;
+ return grep_buffer(opt->grep_filter,
+ NULL, /* we say nothing, not even filename */
+ commit->buffer, strlen(commit->buffer));
+}
- /* Check the max_count ... */
- switch (revs->max_count) {
- case -1:
- break;
- case 0:
+static struct commit *get_revision_1(struct rev_info *revs)
+{
+ if (!revs->commits)
return NULL;
- default:
- revs->max_count--;
- }
do {
struct commit_list *entry = revs->commits;
revs->commits = entry->next;
free(entry);
+ if (revs->reflog_info)
+ fake_reflog_parent(revs->reflog_info, commit);
+
/*
* If we haven't done the list limiting, we need to look at
* the parents here. We also need to do the date-based limiting
* that we'd otherwise have done in limit_list().
*/
if (!revs->limited) {
- if ((revs->unpacked &&
- has_sha1_pack(commit->object.sha1)) ||
- (revs->max_age != -1 &&
- (commit->date < revs->max_age)))
+ if (revs->max_age != -1 &&
+ (commit->date < revs->max_age))
continue;
add_parents_to_list(revs, commit, &revs->commits);
}
if (commit->object.flags & SHOWN)
continue;
+ if (revs->unpacked && has_sha1_pack(commit->object.sha1,
+ revs->ignore_packed))
+ continue;
+
/* We want to show boundary commits only when their
* children are shown. When path-limiter is in effect,
* rewrite_parents() drops some commits from getting shown,
if (revs->no_merges &&
commit->parents && commit->parents->next)
continue;
+ if (!commit_match(commit, revs))
+ continue;
if (revs->prune_fn && revs->dense) {
/* Commit without changes? */
if (!(commit->object.flags & TREECHANGE)) {
} while (revs->commits);
return NULL;
}
+
+struct commit *get_revision(struct rev_info *revs)
+{
+ struct commit *c = NULL;
+
+ if (0 < revs->skip_count) {
+ while ((c = get_revision_1(revs)) != NULL) {
+ if (revs->skip_count-- <= 0)
+ break;
+ }
+ }
+
+ /* Check the max_count ... */
+ switch (revs->max_count) {
+ case -1:
+ break;
+ case 0:
+ return NULL;
+ default:
+ revs->max_count--;
+ }
+ if (c)
+ return c;
+ return get_revision_1(revs);
+}