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49c24704 1#include "cache.h"
b2141fc1 2#include "config.h"
49c24704
JH
3#include "commit.h"
4#include "refs.h"
5#include "notes-utils.h"
c1f5eb49 6#include "repository.h"
bf9a05ba 7
1d18d758
NTND
8void create_notes_commit(struct repository *r,
9 struct notes_tree *t,
10 struct commit_list *parents,
3ffefb54 11 const char *msg, size_t msg_len,
5078f344 12 struct object_id *result_oid)
bf9a05ba 13{
18b74e51 14 struct object_id tree_oid;
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15
16 assert(t->initialized);
17
bbca96d5 18 if (write_notes_tree(t, &tree_oid))
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19 die("Failed to write notes tree to database");
20
21 if (!parents) {
22 /* Deduce parent commit from t->ref */
18b74e51 23 struct object_id parent_oid;
34c290a6 24 if (!read_ref(t->ref, &parent_oid)) {
1d18d758 25 struct commit *parent = lookup_commit(r, &parent_oid);
5e7d4d3e 26 if (parse_commit(parent))
bf9a05ba
JH
27 die("Failed to find/parse commit %s", t->ref);
28 commit_list_insert(parent, &parents);
29 }
30 /* else: t->ref points to nothing, assume root/orphan commit */
31 }
32
5078f344
PO
33 if (commit_tree(msg, msg_len, &tree_oid, parents, result_oid, NULL,
34 NULL))
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35 die("Failed to commit notes tree to database");
36}
49c24704 37
1d18d758 38void commit_notes(struct repository *r, struct notes_tree *t, const char *msg)
49c24704
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39{
40 struct strbuf buf = STRBUF_INIT;
18b74e51 41 struct object_id commit_oid;
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42
43 if (!t)
44 t = &default_notes_tree;
ee76f92f 45 if (!t->initialized || !t->update_ref || !*t->update_ref)
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46 die(_("Cannot commit uninitialized/unreferenced notes tree"));
47 if (!t->dirty)
48 return; /* don't have to commit an unchanged tree */
49
50 /* Prepare commit message and reflog message */
51 strbuf_addstr(&buf, msg);
a0d4923d 52 strbuf_complete_line(&buf);
49c24704 53
1d18d758 54 create_notes_commit(r, t, NULL, buf.buf, buf.len, &commit_oid);
a91cc7fa 55 strbuf_insertstr(&buf, 0, "notes: ");
ae077771 56 update_ref(buf.buf, t->update_ref, &commit_oid, NULL, 0,
f4124112 57 UPDATE_REFS_DIE_ON_ERR);
49c24704
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58
59 strbuf_release(&buf);
60}
61
93efcad3
JK
62int parse_notes_merge_strategy(const char *v, enum notes_merge_strategy *s)
63{
64 if (!strcmp(v, "manual"))
65 *s = NOTES_MERGE_RESOLVE_MANUAL;
66 else if (!strcmp(v, "ours"))
67 *s = NOTES_MERGE_RESOLVE_OURS;
68 else if (!strcmp(v, "theirs"))
69 *s = NOTES_MERGE_RESOLVE_THEIRS;
70 else if (!strcmp(v, "union"))
71 *s = NOTES_MERGE_RESOLVE_UNION;
72 else if (!strcmp(v, "cat_sort_uniq"))
73 *s = NOTES_MERGE_RESOLVE_CAT_SORT_UNIQ;
74 else
75 return -1;
76
77 return 0;
78}
79
49c24704
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80static combine_notes_fn parse_combine_notes_fn(const char *v)
81{
82 if (!strcasecmp(v, "overwrite"))
83 return combine_notes_overwrite;
84 else if (!strcasecmp(v, "ignore"))
85 return combine_notes_ignore;
86 else if (!strcasecmp(v, "concatenate"))
87 return combine_notes_concatenate;
88 else if (!strcasecmp(v, "cat_sort_uniq"))
89 return combine_notes_cat_sort_uniq;
90 else
91 return NULL;
92}
93
94static int notes_rewrite_config(const char *k, const char *v, void *cb)
95{
96 struct notes_rewrite_cfg *c = cb;
59556548 97 if (starts_with(k, "notes.rewrite.") && !strcmp(k+14, c->cmd)) {
49c24704
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98 c->enabled = git_config_bool(k, v);
99 return 0;
100 } else if (!c->mode_from_env && !strcmp(k, "notes.rewritemode")) {
101 if (!v)
aa012e90 102 return config_error_nonbool(k);
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103 c->combine = parse_combine_notes_fn(v);
104 if (!c->combine) {
105 error(_("Bad notes.rewriteMode value: '%s'"), v);
106 return 1;
107 }
108 return 0;
109 } else if (!c->refs_from_env && !strcmp(k, "notes.rewriteref")) {
110 /* note that a refs/ prefix is implied in the
111 * underlying for_each_glob_ref */
59556548 112 if (starts_with(v, "refs/notes/"))
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113 string_list_add_refs_by_glob(c->refs, v);
114 else
115 warning(_("Refusing to rewrite notes in %s"
116 " (outside of refs/notes/)"), v);
117 return 0;
118 }
119
120 return 0;
121}
122
123
124struct notes_rewrite_cfg *init_copy_notes_for_rewrite(const char *cmd)
125{
126 struct notes_rewrite_cfg *c = xmalloc(sizeof(struct notes_rewrite_cfg));
127 const char *rewrite_mode_env = getenv(GIT_NOTES_REWRITE_MODE_ENVIRONMENT);
128 const char *rewrite_refs_env = getenv(GIT_NOTES_REWRITE_REF_ENVIRONMENT);
129 c->cmd = cmd;
130 c->enabled = 1;
131 c->combine = combine_notes_concatenate;
ca56dadb 132 CALLOC_ARRAY(c->refs, 1);
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133 c->refs->strdup_strings = 1;
134 c->refs_from_env = 0;
135 c->mode_from_env = 0;
136 if (rewrite_mode_env) {
137 c->mode_from_env = 1;
138 c->combine = parse_combine_notes_fn(rewrite_mode_env);
139 if (!c->combine)
66f5f6dc
ÆAB
140 /*
141 * TRANSLATORS: The first %s is the name of
142 * the environment variable, the second %s is
143 * its value.
144 */
49c24704
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145 error(_("Bad %s value: '%s'"), GIT_NOTES_REWRITE_MODE_ENVIRONMENT,
146 rewrite_mode_env);
147 }
148 if (rewrite_refs_env) {
149 c->refs_from_env = 1;
150 string_list_add_refs_from_colon_sep(c->refs, rewrite_refs_env);
151 }
152 git_config(notes_rewrite_config, c);
153 if (!c->enabled || !c->refs->nr) {
154 string_list_clear(c->refs, 0);
155 free(c->refs);
156 free(c);
157 return NULL;
158 }
ee76f92f 159 c->trees = load_notes_trees(c->refs, NOTES_INIT_WRITABLE);
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160 string_list_clear(c->refs, 0);
161 free(c->refs);
162 return c;
163}
164
165int copy_note_for_rewrite(struct notes_rewrite_cfg *c,
bb7e4739 166 const struct object_id *from_obj, const struct object_id *to_obj)
49c24704
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167{
168 int ret = 0;
169 int i;
170 for (i = 0; c->trees[i]; i++)
171 ret = copy_note(c->trees[i], from_obj, to_obj, 1, c->combine) || ret;
172 return ret;
173}
174
1d18d758
NTND
175void finish_copy_notes_for_rewrite(struct repository *r,
176 struct notes_rewrite_cfg *c,
177 const char *msg)
49c24704
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178{
179 int i;
180 for (i = 0; c->trees[i]; i++) {
1d18d758 181 commit_notes(r, c->trees[i], msg);
49c24704
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182 free_notes(c->trees[i]);
183 }
184 free(c->trees);
185 free(c);
186}