![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
diff --git a/revision.c b/revision.c
index d79f2b3a7b7fda64c1288f79a971f7b3e6d51cb2..fc667552592daa3c894d0df4e97469d1809dbf27 100644 (file)
--- a/revision.c
+++ b/revision.c
#include "diff.h"
#include "refs.h"
#include "revision.h"
+#include "graph.h"
#include "grep.h"
#include "reflog-walk.h"
#include "patch-ids.h"
static void mark_blob_uninteresting(struct blob *blob)
{
+ if (!blob)
+ return;
if (blob->object.flags & UNINTERESTING)
return;
blob->object.flags |= UNINTERESTING;
struct name_entry entry;
struct object *obj = &tree->object;
+ if (!tree)
+ return;
if (obj->flags & UNINTERESTING)
return;
obj->flags |= UNINTERESTING;
@@ -173,6 +178,8 @@ static struct commit *handle_commit(struct rev_info *revs, struct object *object
struct tag *tag = (struct tag *) object;
if (revs->tag_objects && !(flags & UNINTERESTING))
add_pending_object(revs, object, tag->tag);
+ if (!tag->tagged)
+ die("bad tag");
object = parse_object(tag->tagged->sha1);
if (!object)
die("bad object %s", sha1_to_hex(tag->tagged->sha1));
@@ -409,7 +416,6 @@ static int add_parents_to_list(struct rev_info *revs, struct commit *commit, str
{
struct commit_list *parent = commit->parents;
unsigned left_flag;
- int add, rest;
if (commit->object.flags & ADDED)
return 0;
@@ -456,19 +462,18 @@ static int add_parents_to_list(struct rev_info *revs, struct commit *commit, str
left_flag = (commit->object.flags & SYMMETRIC_LEFT);
- rest = !revs->first_parent_only;
- for (parent = commit->parents, add = 1; parent; add = rest) {
+ for (parent = commit->parents; parent; parent = parent->next) {
struct commit *p = parent->item;
- parent = parent->next;
if (parse_commit(p) < 0)
return -1;
p->object.flags |= left_flag;
- if (p->object.flags & SEEN)
- continue;
- p->object.flags |= SEEN;
- if (add)
+ if (!(p->object.flags & SEEN)) {
+ p->object.flags |= SEEN;
insert_by_date(p, list);
+ }
+ if(revs->first_parent_only)
+ break;
}
return 0;
}
free_patch_ids(&ids);
}
+/* How many extra uninteresting commits we want to see.. */
+#define SLOP 5
+
+static int still_interesting(struct commit_list *src, unsigned long date, int slop)
+{
+ /*
+ * No source list at all? We're definitely done..
+ */
+ if (!src)
+ return 0;
+
+ /*
+ * Does the destination list contain entries with a date
+ * before the source list? Definitely _not_ done.
+ */
+ if (date < src->item->date)
+ return SLOP;
+
+ /*
+ * Does the source list still have interesting commits in
+ * it? Definitely not done..
+ */
+ if (!everybody_uninteresting(src))
+ return SLOP;
+
+ /* Ok, we're closing in.. */
+ return slop-1;
+}
+
static int limit_list(struct rev_info *revs)
{
+ int slop = SLOP;
+ unsigned long date = ~0ul;
struct commit_list *list = revs->commits;
struct commit_list *newlist = NULL;
struct commit_list **p = &newlist;
return -1;
if (obj->flags & UNINTERESTING) {
mark_parents_uninteresting(commit);
- if (everybody_uninteresting(list))
- break;
- continue;
+ if (revs->show_all)
+ p = &commit_list_insert(commit, p)->next;
+ slop = still_interesting(list, date, slop);
+ if (slop)
+ continue;
+ /* If showing all, add the whole pending list to the end */
+ if (revs->show_all)
+ *p = list;
+ break;
}
if (revs->min_age != -1 && (commit->date > revs->min_age))
continue;
+ date = commit->date;
p = &commit_list_insert(commit, p)->next;
show = show_early_output;
@@ -617,12 +660,13 @@ static int handle_one_ref(const char *path, const unsigned char *sha1, int flag,
return 0;
}
-static void handle_all(struct rev_info *revs, unsigned flags)
+static void handle_refs(struct rev_info *revs, unsigned flags,
+ int (*for_each)(each_ref_fn, void *))
{
struct all_refs_cb cb;
cb.all_revs = revs;
cb.all_flags = flags;
- for_each_ref(handle_one_ref, &cb);
+ for_each(handle_one_ref, &cb);
}
static void handle_one_reflog_commit(unsigned char *sha1, void *cb_data)
it = get_reference(revs, arg, sha1, 0);
if (it->type != OBJ_TAG)
break;
+ if (!((struct tag*)it)->tagged)
+ return 0;
hashcpy(sha1, ((struct tag*)it)->tagged->sha1);
}
if (it->type != OBJ_COMMIT)
revs->commit_format = CMIT_FMT_DEFAULT;
diff_setup(&revs->diffopt);
+ if (prefix && !revs->diffopt.prefix) {
+ revs->diffopt.prefix = prefix;
+ revs->diffopt.prefix_length = strlen(prefix);
+ }
}
static void add_pending_commit_list(struct rev_info *revs,
@@ -920,6 +970,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
int left = 1;
int all_match = 0;
int regflags = 0;
+ int fixed = 0;
/* First, search for "--" */
seen_dashdash = 0;
@@ -988,7 +1039,19 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
continue;
}
if (!strcmp(arg, "--all")) {
- handle_all(revs, flags);
+ handle_refs(revs, flags, for_each_ref);
+ continue;
+ }
+ if (!strcmp(arg, "--branches")) {
+ handle_refs(revs, flags, for_each_branch_ref);
+ continue;
+ }
+ if (!strcmp(arg, "--tags")) {
+ handle_refs(revs, flags, for_each_tag_ref);
+ continue;
+ }
+ if (!strcmp(arg, "--remotes")) {
+ handle_refs(revs, flags, for_each_remote_ref);
continue;
}
if (!strcmp(arg, "--first-parent")) {
@@ -1041,7 +1104,8 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
}
}
if (!strcmp(arg, "--parents")) {
- revs->parents = 1;
+ revs->rewrite_parents = 1;
+ revs->print_parents = 1;
continue;
}
if (!strcmp(arg, "--dense")) {
@@ -1052,6 +1116,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
revs->dense = 0;
continue;
}
+ if (!strcmp(arg, "--show-all")) {
+ revs->show_all = 1;
+ continue;
+ }
if (!strcmp(arg, "--remove-empty")) {
revs->remove_empty_trees = 1;
continue;
@@ -1129,9 +1197,20 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
revs->verbose_header = 1;
continue;
}
- if (!prefixcmp(arg, "--pretty")) {
+ if (!strcmp(arg, "--pretty")) {
revs->verbose_header = 1;
- revs->commit_format = get_commit_format(arg+8);
+ get_commit_format(arg+8, revs);
+ continue;
+ }
+ if (!prefixcmp(arg, "--pretty=")) {
+ revs->verbose_header = 1;
+ get_commit_format(arg+9, revs);
+ continue;
+ }
+ if (!strcmp(arg, "--graph")) {
+ revs->topo_order = 1;
+ revs->rewrite_parents = 1;
+ revs->graph = graph_init(revs);
continue;
}
if (!strcmp(arg, "--root")) {
@@ -1213,6 +1292,11 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
regflags |= REG_ICASE;
continue;
}
+ if (!strcmp(arg, "--fixed-strings") ||
+ !strcmp(arg, "-F")) {
+ fixed = 1;
+ continue;
+ }
if (!strcmp(arg, "--all-match")) {
all_match = 1;
continue;
@@ -1268,8 +1352,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
}
}
- if (revs->grep_filter)
+ if (revs->grep_filter) {
revs->grep_filter->regflags |= regflags;
+ revs->grep_filter->fixed = fixed;
+ }
if (show_merge)
prepare_show_merge(revs);
@@ -1321,6 +1407,15 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
if (revs->reverse && revs->reflog_info)
die("cannot combine --reverse with --walk-reflogs");
+ /*
+ * Limitations on the graph functionality
+ */
+ if (revs->reverse && revs->graph)
+ die("cannot combine --reverse with --graph");
+
+ if (revs->reflog_info && revs->graph)
+ die("cannot combine --walk-reflogs with --graph");
+
return left;
}
@@ -1435,6 +1530,8 @@ enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit)
return commit_ignore;
if (revs->unpacked && has_sha1_pack(commit->object.sha1, revs->ignore_packed))
return commit_ignore;
+ if (revs->show_all)
+ return commit_show;
if (commit->object.flags & UNINTERESTING)
return commit_ignore;
if (revs->min_age != -1 && (commit->date > revs->min_age))
@@ -1447,13 +1544,13 @@ enum commit_action simplify_commit(struct rev_info *revs, struct commit *commit)
/* Commit without changes? */
if (commit->object.flags & TREESAME) {
/* drop merges unless we want parenthood */
- if (!revs->parents)
+ if (!revs->rewrite_parents)
return commit_ignore;
/* non-merge - always ignore it */
if (!commit->parents || !commit->parents->next)
return commit_ignore;
}
- if (revs->parents && rewrite_parents(revs, commit) < 0)
+ if (revs->rewrite_parents && rewrite_parents(revs, commit) < 0)
return commit_error;
}
return commit_show;
}
}
-struct commit *get_revision(struct rev_info *revs)
+static void create_boundary_commit_list(struct rev_info *revs)
+{
+ unsigned i;
+ struct commit *c;
+ struct object_array *array = &revs->boundary_commits;
+ struct object_array_entry *objects = array->objects;
+
+ /*
+ * If revs->commits is non-NULL at this point, an error occurred in
+ * get_revision_1(). Ignore the error and continue printing the
+ * boundary commits anyway. (This is what the code has always
+ * done.)
+ */
+ if (revs->commits) {
+ free_commit_list(revs->commits);
+ revs->commits = NULL;
+ }
+
+ /*
+ * Put all of the actual boundary commits from revs->boundary_commits
+ * into revs->commits
+ */
+ for (i = 0; i < array->nr; i++) {
+ c = (struct commit *)(objects[i].item);
+ if (!c)
+ continue;
+ if (!(c->object.flags & CHILD_SHOWN))
+ continue;
+ if (c->object.flags & (SHOWN | BOUNDARY))
+ continue;
+ c->object.flags |= BOUNDARY;
+ commit_list_insert(c, &revs->commits);
+ }
+
+ /*
+ * If revs->topo_order is set, sort the boundary commits
+ * in topological order
+ */
+ sort_in_topological_order(&revs->commits, revs->lifo);
+}
+
+static struct commit *get_revision_internal(struct rev_info *revs)
{
struct commit *c = NULL;
struct commit_list *l;
if (revs->boundary == 2) {
- unsigned i;
- struct object_array *array = &revs->boundary_commits;
- struct object_array_entry *objects = array->objects;
- for (i = 0; i < array->nr; i++) {
- c = (struct commit *)(objects[i].item);
- if (!c)
- continue;
- if (!(c->object.flags & CHILD_SHOWN))
- continue;
- if (!(c->object.flags & SHOWN))
- break;
- }
- if (array->nr <= i)
- return NULL;
-
- c->object.flags |= SHOWN | BOUNDARY;
+ /*
+ * All of the normal commits have already been returned,
+ * and we are now returning boundary commits.
+ * create_boundary_commit_list() has populated
+ * revs->commits with the remaining commits to return.
+ */
+ c = pop_commit(&revs->commits);
+ if (c)
+ c->object.flags |= SHOWN;
return c;
}
* switch to boundary commits output mode.
*/
revs->boundary = 2;
- return get_revision(revs);
+
+ /*
+ * Update revs->commits to contain the list of
+ * boundary commits.
+ */
+ create_boundary_commit_list(revs);
+
+ return get_revision_internal(revs);
}
/*
return c;
}
+
+struct commit *get_revision(struct rev_info *revs)
+{
+ struct commit *c = get_revision_internal(revs);
+ if (c && revs->graph)
+ graph_update(revs->graph, c);
+ return c;
+}