#include "utf8.h"
#include "strbuf.h"
#include "tree-walk.h"
+#include "string-list.h"
+#include "refs.h"
/*
* Use a non-balancing simple 16-tree structure with struct int_node as
struct notes_tree default_notes_tree;
+static struct string_list display_notes_refs;
+static struct notes_tree **display_notes_trees;
+
static void load_subtree(struct notes_tree *t, struct leaf_node *subtree,
struct int_node *node, unsigned int n);
* To remove a leaf_node:
* Search to the tree location appropriate for the given leaf_node's key:
* - If location does not hold a matching entry, abort and do nothing.
+ * - Copy the matching entry's value into the given entry.
* - Replace the matching leaf_node with a NULL entry (and free the leaf_node).
* - Consolidate int_nodes repeatedly, while walking up the tree towards root.
*/
-static void note_tree_remove(struct notes_tree *t, struct int_node *tree,
- unsigned char n, struct leaf_node *entry)
+static void note_tree_remove(struct notes_tree *t,
+ struct int_node *tree, unsigned char n,
+ struct leaf_node *entry)
{
struct leaf_node *l;
struct int_node *parent_stack[20];
return; /* key mismatch, nothing to remove */
/* we have found a matching entry */
+ hashcpy(entry->val_sha1, l->val_sha1);
free(l);
*p = SET_PTR_TYPE(NULL, PTR_TYPE_NULL);
struct write_each_note_data *d)
{
struct non_note *n = d->next_non_note;
- int cmp, ret;
+ int cmp = 0, ret;
while (n && (!note_path || (cmp = strcmp(n->path, note_path)) <= 0)) {
if (note_path && cmp == 0)
; /* do nothing, prefer note to non-note */
return 0;
}
+static int string_list_add_one_ref(const char *path, const unsigned char *sha1,
+ int flag, void *cb)
+{
+ struct string_list *refs = cb;
+ if (!unsorted_string_list_has_string(refs, path))
+ string_list_append(refs, path);
+ return 0;
+}
+
+void string_list_add_refs_by_glob(struct string_list *list, const char *glob)
+{
+ if (has_glob_specials(glob)) {
+ for_each_glob_ref(string_list_add_one_ref, glob, list);
+ } else {
+ unsigned char sha1[20];
+ if (get_sha1(glob, sha1))
+ warning("notes ref %s is invalid", glob);
+ if (!unsorted_string_list_has_string(list, glob))
+ string_list_append(list, glob);
+ }
+}
+
+void string_list_add_refs_from_colon_sep(struct string_list *list,
+ const char *globs)
+{
+ struct strbuf globbuf = STRBUF_INIT;
+ struct strbuf **split;
+ int i;
+
+ strbuf_addstr(&globbuf, globs);
+ split = strbuf_split(&globbuf, ':');
+
+ for (i = 0; split[i]; i++) {
+ if (!split[i]->len)
+ continue;
+ if (split[i]->buf[split[i]->len-1] == ':')
+ strbuf_setlen(split[i], split[i]->len-1);
+ string_list_add_refs_by_glob(list, split[i]->buf);
+ }
+
+ strbuf_list_free(split);
+ strbuf_release(&globbuf);
+}
+
+static int notes_display_config(const char *k, const char *v, void *cb)
+{
+ int *load_refs = cb;
+
+ if (*load_refs && !strcmp(k, "notes.displayref")) {
+ if (!v)
+ config_error_nonbool(k);
+ string_list_add_refs_by_glob(&display_notes_refs, v);
+ }
+
+ return 0;
+}
+
+static const char *default_notes_ref(void)
+{
+ const char *notes_ref = NULL;
+ if (!notes_ref)
+ notes_ref = getenv(GIT_NOTES_REF_ENVIRONMENT);
+ if (!notes_ref)
+ notes_ref = notes_ref_name; /* value of core.notesRef config */
+ if (!notes_ref)
+ notes_ref = GIT_NOTES_DEFAULT_REF;
+ return notes_ref;
+}
+
void init_notes(struct notes_tree *t, const char *notes_ref,
combine_notes_fn combine_notes, int flags)
{
assert(!t->initialized);
if (!notes_ref)
- notes_ref = getenv(GIT_NOTES_REF_ENVIRONMENT);
- if (!notes_ref)
- notes_ref = notes_ref_name; /* value of core.notesRef config */
- if (!notes_ref)
- notes_ref = GIT_NOTES_DEFAULT_REF;
+ notes_ref = default_notes_ref();
if (!combine_notes)
combine_notes = combine_notes_concatenate;
t->ref = notes_ref ? xstrdup(notes_ref) : NULL;
t->combine_notes = combine_notes;
t->initialized = 1;
+ t->dirty = 0;
if (flags & NOTES_INIT_EMPTY || !notes_ref ||
read_ref(notes_ref, object_sha1))
load_subtree(t, &root_tree, t->root, 0);
}
+struct notes_tree **load_notes_trees(struct string_list *refs)
+{
+ struct string_list_item *item;
+ int counter = 0;
+ struct notes_tree **trees;
+ trees = xmalloc((refs->nr+1) * sizeof(struct notes_tree *));
+ for_each_string_list_item(item, refs) {
+ struct notes_tree *t = xcalloc(1, sizeof(struct notes_tree));
+ init_notes(t, item->string, combine_notes_ignore, 0);
+ trees[counter++] = t;
+ }
+ trees[counter] = NULL;
+ return trees;
+}
+
+void init_display_notes(struct display_notes_opt *opt)
+{
+ char *display_ref_env;
+ int load_config_refs = 0;
+ display_notes_refs.strdup_strings = 1;
+
+ assert(!display_notes_trees);
+
+ if (!opt || !opt->suppress_default_notes) {
+ string_list_append(&display_notes_refs, default_notes_ref());
+ display_ref_env = getenv(GIT_NOTES_DISPLAY_REF_ENVIRONMENT);
+ if (display_ref_env) {
+ string_list_add_refs_from_colon_sep(&display_notes_refs,
+ display_ref_env);
+ load_config_refs = 0;
+ } else
+ load_config_refs = 1;
+ }
+
+ git_config(notes_display_config, &load_config_refs);
+
+ if (opt && opt->extra_notes_refs) {
+ struct string_list_item *item;
+ for_each_string_list_item(item, opt->extra_notes_refs)
+ string_list_add_refs_by_glob(&display_notes_refs,
+ item->string);
+ }
+
+ display_notes_trees = load_notes_trees(&display_notes_refs);
+ string_list_clear(&display_notes_refs, 0);
+}
+
void add_note(struct notes_tree *t, const unsigned char *object_sha1,
const unsigned char *note_sha1, combine_notes_fn combine_notes)
{
if (!t)
t = &default_notes_tree;
assert(t->initialized);
+ t->dirty = 1;
if (!combine_notes)
combine_notes = t->combine_notes;
l = (struct leaf_node *) xmalloc(sizeof(struct leaf_node));
note_tree_insert(t, t->root, 0, l, PTR_TYPE_NOTE, combine_notes);
}
-void remove_note(struct notes_tree *t, const unsigned char *object_sha1)
+int remove_note(struct notes_tree *t, const unsigned char *object_sha1)
{
struct leaf_node l;
hashcpy(l.key_sha1, object_sha1);
hashclr(l.val_sha1);
note_tree_remove(t, t->root, 0, &l);
+ if (is_null_sha1(l.val_sha1)) // no note was removed
+ return 1;
+ t->dirty = 1;
+ return 0;
}
const unsigned char *get_note(struct notes_tree *t,
return ret;
}
-void prune_notes(struct notes_tree *t)
+void prune_notes(struct notes_tree *t, int flags)
{
struct note_delete_list *l = NULL;
for_each_note(t, 0, prune_notes_helper, &l);
while (l) {
- remove_note(t, l->sha1);
+ if (flags & NOTES_PRUNE_VERBOSE)
+ printf("%s\n", sha1_to_hex(l->sha1));
+ if (!(flags & NOTES_PRUNE_DRYRUN))
+ remove_note(t, l->sha1);
l = l->next;
}
}
if (msglen && msg[msglen - 1] == '\n')
msglen--;
- if (flags & NOTES_SHOW_HEADER)
- strbuf_addstr(sb, "\nNotes:\n");
+ if (flags & NOTES_SHOW_HEADER) {
+ const char *ref = t->ref;
+ if (!ref || !strcmp(ref, GIT_NOTES_DEFAULT_REF)) {
+ strbuf_addstr(sb, "\nNotes:\n");
+ } else {
+ if (!prefixcmp(ref, "refs/"))
+ ref += 5;
+ if (!prefixcmp(ref, "notes/"))
+ ref += 6;
+ strbuf_addf(sb, "\nNotes (%s):\n", ref);
+ }
+ }
for (msg_p = msg; msg_p < msg + msglen; msg_p += linelen + 1) {
linelen = strchrnul(msg_p, '\n') - msg_p;
free(msg);
}
+
+void format_display_notes(const unsigned char *object_sha1,
+ struct strbuf *sb, const char *output_encoding, int flags)
+{
+ int i;
+ assert(display_notes_trees);
+ for (i = 0; display_notes_trees[i]; i++)
+ format_note(display_notes_trees[i], object_sha1, sb,
+ output_encoding, flags);
+}
+
+int copy_note(struct notes_tree *t,
+ const unsigned char *from_obj, const unsigned char *to_obj,
+ int force, combine_notes_fn combine_fn)
+{
+ const unsigned char *note = get_note(t, from_obj);
+ const unsigned char *existing_note = get_note(t, to_obj);
+
+ if (!force && existing_note)
+ return 1;
+
+ if (note)
+ add_note(t, to_obj, note, combine_fn);
+ else if (existing_note)
+ add_note(t, to_obj, null_sha1, combine_fn);
+
+ return 0;
+}