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Commit | Line | Data |
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49c24704 JH |
1 | #include "cache.h" |
2 | #include "commit.h" | |
3 | #include "refs.h" | |
4 | #include "notes-utils.h" | |
bf9a05ba JH |
5 | |
6 | void create_notes_commit(struct notes_tree *t, struct commit_list *parents, | |
7 | const struct strbuf *msg, unsigned char *result_sha1) | |
8 | { | |
9 | unsigned char tree_sha1[20]; | |
10 | ||
11 | assert(t->initialized); | |
12 | ||
13 | if (write_notes_tree(t, tree_sha1)) | |
14 | die("Failed to write notes tree to database"); | |
15 | ||
16 | if (!parents) { | |
17 | /* Deduce parent commit from t->ref */ | |
18 | unsigned char parent_sha1[20]; | |
19 | if (!read_ref(t->ref, parent_sha1)) { | |
20 | struct commit *parent = lookup_commit(parent_sha1); | |
21 | if (!parent || parse_commit(parent)) | |
22 | die("Failed to find/parse commit %s", t->ref); | |
23 | commit_list_insert(parent, &parents); | |
24 | } | |
25 | /* else: t->ref points to nothing, assume root/orphan commit */ | |
26 | } | |
27 | ||
28 | if (commit_tree(msg, tree_sha1, parents, result_sha1, NULL, NULL)) | |
29 | die("Failed to commit notes tree to database"); | |
30 | } | |
49c24704 JH |
31 | |
32 | void commit_notes(struct notes_tree *t, const char *msg) | |
33 | { | |
34 | struct strbuf buf = STRBUF_INIT; | |
35 | unsigned char commit_sha1[20]; | |
36 | ||
37 | if (!t) | |
38 | t = &default_notes_tree; | |
39 | if (!t->initialized || !t->ref || !*t->ref) | |
40 | die(_("Cannot commit uninitialized/unreferenced notes tree")); | |
41 | if (!t->dirty) | |
42 | return; /* don't have to commit an unchanged tree */ | |
43 | ||
44 | /* Prepare commit message and reflog message */ | |
45 | strbuf_addstr(&buf, msg); | |
46 | if (buf.buf[buf.len - 1] != '\n') | |
47 | strbuf_addch(&buf, '\n'); /* Make sure msg ends with newline */ | |
48 | ||
49 | create_notes_commit(t, NULL, &buf, commit_sha1); | |
50 | strbuf_insert(&buf, 0, "notes: ", 7); /* commit message starts at index 7 */ | |
51 | update_ref(buf.buf, t->ref, commit_sha1, NULL, 0, DIE_ON_ERR); | |
52 | ||
53 | strbuf_release(&buf); | |
54 | } | |
55 | ||
56 | static combine_notes_fn parse_combine_notes_fn(const char *v) | |
57 | { | |
58 | if (!strcasecmp(v, "overwrite")) | |
59 | return combine_notes_overwrite; | |
60 | else if (!strcasecmp(v, "ignore")) | |
61 | return combine_notes_ignore; | |
62 | else if (!strcasecmp(v, "concatenate")) | |
63 | return combine_notes_concatenate; | |
64 | else if (!strcasecmp(v, "cat_sort_uniq")) | |
65 | return combine_notes_cat_sort_uniq; | |
66 | else | |
67 | return NULL; | |
68 | } | |
69 | ||
70 | static int notes_rewrite_config(const char *k, const char *v, void *cb) | |
71 | { | |
72 | struct notes_rewrite_cfg *c = cb; | |
73 | if (!prefixcmp(k, "notes.rewrite.") && !strcmp(k+14, c->cmd)) { | |
74 | c->enabled = git_config_bool(k, v); | |
75 | return 0; | |
76 | } else if (!c->mode_from_env && !strcmp(k, "notes.rewritemode")) { | |
77 | if (!v) | |
78 | config_error_nonbool(k); | |
79 | c->combine = parse_combine_notes_fn(v); | |
80 | if (!c->combine) { | |
81 | error(_("Bad notes.rewriteMode value: '%s'"), v); | |
82 | return 1; | |
83 | } | |
84 | return 0; | |
85 | } else if (!c->refs_from_env && !strcmp(k, "notes.rewriteref")) { | |
86 | /* note that a refs/ prefix is implied in the | |
87 | * underlying for_each_glob_ref */ | |
88 | if (!prefixcmp(v, "refs/notes/")) | |
89 | string_list_add_refs_by_glob(c->refs, v); | |
90 | else | |
91 | warning(_("Refusing to rewrite notes in %s" | |
92 | " (outside of refs/notes/)"), v); | |
93 | return 0; | |
94 | } | |
95 | ||
96 | return 0; | |
97 | } | |
98 | ||
99 | ||
100 | struct notes_rewrite_cfg *init_copy_notes_for_rewrite(const char *cmd) | |
101 | { | |
102 | struct notes_rewrite_cfg *c = xmalloc(sizeof(struct notes_rewrite_cfg)); | |
103 | const char *rewrite_mode_env = getenv(GIT_NOTES_REWRITE_MODE_ENVIRONMENT); | |
104 | const char *rewrite_refs_env = getenv(GIT_NOTES_REWRITE_REF_ENVIRONMENT); | |
105 | c->cmd = cmd; | |
106 | c->enabled = 1; | |
107 | c->combine = combine_notes_concatenate; | |
108 | c->refs = xcalloc(1, sizeof(struct string_list)); | |
109 | c->refs->strdup_strings = 1; | |
110 | c->refs_from_env = 0; | |
111 | c->mode_from_env = 0; | |
112 | if (rewrite_mode_env) { | |
113 | c->mode_from_env = 1; | |
114 | c->combine = parse_combine_notes_fn(rewrite_mode_env); | |
115 | if (!c->combine) | |
116 | /* TRANSLATORS: The first %s is the name of the | |
117 | environment variable, the second %s is its value */ | |
118 | error(_("Bad %s value: '%s'"), GIT_NOTES_REWRITE_MODE_ENVIRONMENT, | |
119 | rewrite_mode_env); | |
120 | } | |
121 | if (rewrite_refs_env) { | |
122 | c->refs_from_env = 1; | |
123 | string_list_add_refs_from_colon_sep(c->refs, rewrite_refs_env); | |
124 | } | |
125 | git_config(notes_rewrite_config, c); | |
126 | if (!c->enabled || !c->refs->nr) { | |
127 | string_list_clear(c->refs, 0); | |
128 | free(c->refs); | |
129 | free(c); | |
130 | return NULL; | |
131 | } | |
132 | c->trees = load_notes_trees(c->refs); | |
133 | string_list_clear(c->refs, 0); | |
134 | free(c->refs); | |
135 | return c; | |
136 | } | |
137 | ||
138 | int copy_note_for_rewrite(struct notes_rewrite_cfg *c, | |
139 | const unsigned char *from_obj, const unsigned char *to_obj) | |
140 | { | |
141 | int ret = 0; | |
142 | int i; | |
143 | for (i = 0; c->trees[i]; i++) | |
144 | ret = copy_note(c->trees[i], from_obj, to_obj, 1, c->combine) || ret; | |
145 | return ret; | |
146 | } | |
147 | ||
148 | void finish_copy_notes_for_rewrite(struct notes_rewrite_cfg *c, const char *msg) | |
149 | { | |
150 | int i; | |
151 | for (i = 0; c->trees[i]; i++) { | |
152 | commit_notes(c->trees[i], msg); | |
153 | free_notes(c->trees[i]); | |
154 | } | |
155 | free(c->trees); | |
156 | free(c); | |
157 | } |