freshlybakedca.ke
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1#define USE_THE_REPOSITORY_VARIABLE
2
3#include "git-compat-util.h"
4#include "config.h"
5#include "commit.h"
6#include "environment.h"
7#include "gettext.h"
8#include "refs.h"
9#include "notes-utils.h"
10#include "strbuf.h"
11
12void create_notes_commit(struct repository *r,
13 struct notes_tree *t,
14 const struct commit_list *parents,
15 const char *msg, size_t msg_len,
16 struct object_id *result_oid)
17{
18 struct commit_list *parents_to_free = NULL;
19 struct object_id tree_oid;
20
21 assert(t->initialized);
22
23 if (write_notes_tree(t, &tree_oid))
24 die("Failed to write notes tree to database");
25
26 if (!parents) {
27 /* Deduce parent commit from t->ref */
28 struct object_id parent_oid;
29 if (!refs_read_ref(get_main_ref_store(the_repository), t->ref, &parent_oid)) {
30 struct commit *parent = lookup_commit(r, &parent_oid);
31 if (repo_parse_commit(r, parent))
32 die("Failed to find/parse commit %s", t->ref);
33 commit_list_insert(parent, &parents_to_free);
34 parents = parents_to_free;
35 }
36 /* else: t->ref points to nothing, assume root/orphan commit */
37 }
38
39 if (commit_tree(msg, msg_len, &tree_oid, parents, result_oid, NULL,
40 NULL))
41 die("Failed to commit notes tree to database");
42
43 free_commit_list(parents_to_free);
44}
45
46void commit_notes(struct repository *r, struct notes_tree *t, const char *msg)
47{
48 struct strbuf buf = STRBUF_INIT;
49 struct object_id commit_oid;
50
51 if (!t)
52 t = &default_notes_tree;
53 if (!t->initialized || !t->update_ref || !*t->update_ref)
54 die(_("Cannot commit uninitialized/unreferenced notes tree"));
55 if (!t->dirty)
56 return; /* don't have to commit an unchanged tree */
57
58 /* Prepare commit message and reflog message */
59 strbuf_addstr(&buf, msg);
60 strbuf_complete_line(&buf);
61
62 create_notes_commit(r, t, NULL, buf.buf, buf.len, &commit_oid);
63 strbuf_insertstr(&buf, 0, "notes: ");
64 refs_update_ref(get_main_ref_store(the_repository), buf.buf,
65 t->update_ref, &commit_oid, NULL, 0,
66 UPDATE_REFS_DIE_ON_ERR);
67
68 strbuf_release(&buf);
69}
70
71int parse_notes_merge_strategy(const char *v, enum notes_merge_strategy *s)
72{
73 if (!strcmp(v, "manual"))
74 *s = NOTES_MERGE_RESOLVE_MANUAL;
75 else if (!strcmp(v, "ours"))
76 *s = NOTES_MERGE_RESOLVE_OURS;
77 else if (!strcmp(v, "theirs"))
78 *s = NOTES_MERGE_RESOLVE_THEIRS;
79 else if (!strcmp(v, "union"))
80 *s = NOTES_MERGE_RESOLVE_UNION;
81 else if (!strcmp(v, "cat_sort_uniq"))
82 *s = NOTES_MERGE_RESOLVE_CAT_SORT_UNIQ;
83 else
84 return -1;
85
86 return 0;
87}
88
89static combine_notes_fn parse_combine_notes_fn(const char *v)
90{
91 if (!strcasecmp(v, "overwrite"))
92 return combine_notes_overwrite;
93 else if (!strcasecmp(v, "ignore"))
94 return combine_notes_ignore;
95 else if (!strcasecmp(v, "concatenate"))
96 return combine_notes_concatenate;
97 else if (!strcasecmp(v, "cat_sort_uniq"))
98 return combine_notes_cat_sort_uniq;
99 else
100 return NULL;
101}
102
103static int notes_rewrite_config(const char *k, const char *v,
104 const struct config_context *ctx UNUSED,
105 void *cb)
106{
107 struct notes_rewrite_cfg *c = cb;
108 if (starts_with(k, "notes.rewrite.") && !strcmp(k+14, c->cmd)) {
109 c->enabled = git_config_bool(k, v);
110 return 0;
111 } else if (!c->mode_from_env && !strcmp(k, "notes.rewritemode")) {
112 if (!v)
113 return config_error_nonbool(k);
114 c->combine = parse_combine_notes_fn(v);
115 if (!c->combine) {
116 error(_("Bad notes.rewriteMode value: '%s'"), v);
117 return 1;
118 }
119 return 0;
120 } else if (!c->refs_from_env && !strcmp(k, "notes.rewriteref")) {
121 if (!v)
122 return config_error_nonbool(k);
123 /* note that a refs/ prefix is implied in the
124 * underlying for_each_glob_ref */
125 if (starts_with(v, "refs/notes/"))
126 string_list_add_refs_by_glob(c->refs, v);
127 else
128 warning(_("Refusing to rewrite notes in %s"
129 " (outside of refs/notes/)"), v);
130 return 0;
131 }
132
133 return 0;
134}
135
136
137struct notes_rewrite_cfg *init_copy_notes_for_rewrite(const char *cmd)
138{
139 struct notes_rewrite_cfg *c = xmalloc(sizeof(struct notes_rewrite_cfg));
140 const char *rewrite_mode_env = getenv(GIT_NOTES_REWRITE_MODE_ENVIRONMENT);
141 const char *rewrite_refs_env = getenv(GIT_NOTES_REWRITE_REF_ENVIRONMENT);
142 c->cmd = cmd;
143 c->enabled = 1;
144 c->combine = combine_notes_concatenate;
145 CALLOC_ARRAY(c->refs, 1);
146 c->refs->strdup_strings = 1;
147 c->refs_from_env = 0;
148 c->mode_from_env = 0;
149 if (rewrite_mode_env) {
150 c->mode_from_env = 1;
151 c->combine = parse_combine_notes_fn(rewrite_mode_env);
152 if (!c->combine)
153 /*
154 * TRANSLATORS: The first %s is the name of
155 * the environment variable, the second %s is
156 * its value.
157 */
158 error(_("Bad %s value: '%s'"), GIT_NOTES_REWRITE_MODE_ENVIRONMENT,
159 rewrite_mode_env);
160 }
161 if (rewrite_refs_env) {
162 c->refs_from_env = 1;
163 string_list_add_refs_from_colon_sep(c->refs, rewrite_refs_env);
164 }
165 repo_config(the_repository, notes_rewrite_config, c);
166 if (!c->enabled || !c->refs->nr) {
167 string_list_clear(c->refs, 0);
168 free(c->refs);
169 free(c);
170 return NULL;
171 }
172 c->trees = load_notes_trees(c->refs, NOTES_INIT_WRITABLE);
173 string_list_clear(c->refs, 0);
174 free(c->refs);
175 return c;
176}
177
178int copy_note_for_rewrite(struct notes_rewrite_cfg *c,
179 const struct object_id *from_obj, const struct object_id *to_obj)
180{
181 int ret = 0;
182 int i;
183 for (i = 0; c->trees[i]; i++)
184 ret = copy_note(c->trees[i], from_obj, to_obj, 1, c->combine) || ret;
185 return ret;
186}
187
188void finish_copy_notes_for_rewrite(struct repository *r,
189 struct notes_rewrite_cfg *c,
190 const char *msg)
191{
192 int i;
193 for (i = 0; c->trees[i]; i++) {
194 commit_notes(r, c->trees[i], msg);
195 free_notes(c->trees[i]);
196 free(c->trees[i]);
197 }
198 free(c->trees);
199 free(c);
200}