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Commit | Line | Data |
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94421474 | 1 | #include "cache.h" |
41771fa4 | 2 | #include "hex.h" |
94421474 JH |
3 | #include "refs.h" |
4 | #include "tag.h" | |
5 | #include "commit.h" | |
6 | #include "blob.h" | |
7 | #include "diff.h" | |
8 | #include "revision.h" | |
9 | #include "reachable.h" | |
10 | #include "cache-tree.h" | |
dc347195 | 11 | #include "progress.h" |
5f78a431 | 12 | #include "list-objects.h" |
7709f468 | 13 | #include "packfile.h" |
d0c39a49 | 14 | #include "worktree.h" |
a80d72db | 15 | #include "object-store.h" |
fde67d68 | 16 | #include "pack-bitmap.h" |
fb546d6e | 17 | #include "pack-mtimes.h" |
94421474 | 18 | |
0b26abc0 JK |
19 | struct connectivity_progress { |
20 | struct progress *progress; | |
21 | unsigned long count; | |
22 | }; | |
23 | ||
24 | static void update_progress(struct connectivity_progress *cp) | |
25 | { | |
26 | cp->count++; | |
27 | if ((cp->count & 1023) == 0) | |
28 | display_progress(cp->progress, cp->count); | |
29 | } | |
30 | ||
635170f2 MH |
31 | static int add_one_ref(const char *path, const struct object_id *oid, |
32 | int flag, void *cb_data) | |
94421474 | 33 | { |
94421474 | 34 | struct rev_info *revs = (struct rev_info *)cb_data; |
14886b40 | 35 | struct object *object; |
94421474 | 36 | |
14886b40 JS |
37 | if ((flag & REF_ISSYMREF) && (flag & REF_ISBROKEN)) { |
38 | warning("symbolic ref is dangling: %s", path); | |
39 | return 0; | |
40 | } | |
41 | ||
c251c83d | 42 | object = parse_object_or_die(oid, path); |
94421474 JH |
43 | add_pending_object(revs, object, ""); |
44 | ||
45 | return 0; | |
46 | } | |
47 | ||
5f78a431 JK |
48 | /* |
49 | * The traversal will have already marked us as SEEN, so we | |
50 | * only need to handle any progress reporting here. | |
51 | */ | |
c50dca2a JK |
52 | static void mark_object(struct object *obj UNUSED, |
53 | const char *name UNUSED, | |
54 | void *data) | |
5f78a431 JK |
55 | { |
56 | update_progress(data); | |
57 | } | |
58 | ||
59 | static void mark_commit(struct commit *c, void *data) | |
60 | { | |
de1e67d0 | 61 | mark_object(&c->object, NULL, data); |
5f78a431 JK |
62 | } |
63 | ||
d3038d22 JK |
64 | struct recent_data { |
65 | struct rev_info *revs; | |
dddbad72 | 66 | timestamp_t timestamp; |
2fb90409 TB |
67 | report_recent_object_fn *cb; |
68 | int ignore_in_core_kept_packs; | |
d3038d22 JK |
69 | }; |
70 | ||
76c1d9a0 | 71 | static void add_recent_object(const struct object_id *oid, |
2fb90409 TB |
72 | struct packed_git *pack, |
73 | off_t offset, | |
dddbad72 | 74 | timestamp_t mtime, |
d3038d22 JK |
75 | struct recent_data *data) |
76 | { | |
77 | struct object *obj; | |
78 | enum object_type type; | |
79 | ||
80 | if (mtime <= data->timestamp) | |
81 | return; | |
82 | ||
83 | /* | |
84 | * We do not want to call parse_object here, because | |
85 | * inflating blobs and trees could be very expensive. | |
86 | * However, we do need to know the correct type for | |
87 | * later processing, and the revision machinery expects | |
88 | * commits and tags to have been parsed. | |
89 | */ | |
0df8e965 | 90 | type = oid_object_info(the_repository, oid, NULL); |
d3038d22 | 91 | if (type < 0) |
76c1d9a0 | 92 | die("unable to get object info for %s", oid_to_hex(oid)); |
d3038d22 JK |
93 | |
94 | switch (type) { | |
95 | case OBJ_TAG: | |
96 | case OBJ_COMMIT: | |
c251c83d | 97 | obj = parse_object_or_die(oid, NULL); |
d3038d22 JK |
98 | break; |
99 | case OBJ_TREE: | |
f86bcc7b | 100 | obj = (struct object *)lookup_tree(the_repository, oid); |
d3038d22 JK |
101 | break; |
102 | case OBJ_BLOB: | |
da14a7ff | 103 | obj = (struct object *)lookup_blob(the_repository, oid); |
d3038d22 JK |
104 | break; |
105 | default: | |
106 | die("unknown object type for %s: %s", | |
debca9d2 | 107 | oid_to_hex(oid), type_name(type)); |
d3038d22 JK |
108 | } |
109 | ||
110 | if (!obj) | |
76c1d9a0 | 111 | die("unable to lookup %s", oid_to_hex(oid)); |
d3038d22 JK |
112 | |
113 | add_pending_object(data->revs, obj, ""); | |
2fb90409 TB |
114 | if (data->cb) |
115 | data->cb(obj, pack, offset, mtime); | |
116 | } | |
117 | ||
118 | static int want_recent_object(struct recent_data *data, | |
119 | const struct object_id *oid) | |
120 | { | |
121 | if (data->ignore_in_core_kept_packs && | |
122 | has_object_kept_pack(oid, IN_CORE_KEEP_PACKS)) | |
123 | return 0; | |
124 | return 1; | |
d3038d22 JK |
125 | } |
126 | ||
76c1d9a0 | 127 | static int add_recent_loose(const struct object_id *oid, |
d3038d22 JK |
128 | const char *path, void *data) |
129 | { | |
130 | struct stat st; | |
2fb90409 TB |
131 | struct object *obj; |
132 | ||
133 | if (!want_recent_object(data, oid)) | |
134 | return 0; | |
135 | ||
136 | obj = lookup_object(the_repository, oid); | |
d3038d22 JK |
137 | |
138 | if (obj && obj->flags & SEEN) | |
139 | return 0; | |
140 | ||
141 | if (stat(path, &st) < 0) { | |
142 | /* | |
143 | * It's OK if an object went away during our iteration; this | |
144 | * could be due to a simultaneous repack. But anything else | |
145 | * we should abort, since we might then fail to mark objects | |
146 | * which should not be pruned. | |
147 | */ | |
148 | if (errno == ENOENT) | |
149 | return 0; | |
76c1d9a0 | 150 | return error_errno("unable to stat %s", oid_to_hex(oid)); |
d3038d22 JK |
151 | } |
152 | ||
2fb90409 | 153 | add_recent_object(oid, NULL, 0, st.st_mtime, data); |
d3038d22 JK |
154 | return 0; |
155 | } | |
156 | ||
76c1d9a0 | 157 | static int add_recent_packed(const struct object_id *oid, |
be252d33 JK |
158 | struct packed_git *p, |
159 | uint32_t pos, | |
d3038d22 JK |
160 | void *data) |
161 | { | |
2fb90409 | 162 | struct object *obj; |
fb546d6e | 163 | timestamp_t mtime = p->mtime; |
2fb90409 TB |
164 | |
165 | if (!want_recent_object(data, oid)) | |
166 | return 0; | |
167 | ||
168 | obj = lookup_object(the_repository, oid); | |
d3038d22 JK |
169 | |
170 | if (obj && obj->flags & SEEN) | |
171 | return 0; | |
fb546d6e TB |
172 | if (p->is_cruft) { |
173 | if (load_pack_mtimes(p) < 0) | |
174 | die(_("could not load cruft pack .mtimes")); | |
175 | mtime = nth_packed_mtime(p, pos); | |
176 | } | |
177 | add_recent_object(oid, p, nth_packed_object_offset(p, pos), mtime, data); | |
d3038d22 JK |
178 | return 0; |
179 | } | |
180 | ||
abcb8655 | 181 | int add_unseen_recent_objects_to_traversal(struct rev_info *revs, |
2fb90409 TB |
182 | timestamp_t timestamp, |
183 | report_recent_object_fn *cb, | |
184 | int ignore_in_core_kept_packs) | |
d3038d22 JK |
185 | { |
186 | struct recent_data data; | |
2fb90409 | 187 | enum for_each_object_flags flags; |
d3038d22 JK |
188 | int r; |
189 | ||
190 | data.revs = revs; | |
191 | data.timestamp = timestamp; | |
2fb90409 TB |
192 | data.cb = cb; |
193 | data.ignore_in_core_kept_packs = ignore_in_core_kept_packs; | |
d3038d22 | 194 | |
1385bb7b JK |
195 | r = for_each_loose_object(add_recent_loose, &data, |
196 | FOR_EACH_OBJECT_LOCAL_ONLY); | |
d3038d22 JK |
197 | if (r) |
198 | return r; | |
2fb90409 TB |
199 | |
200 | flags = FOR_EACH_OBJECT_LOCAL_ONLY | FOR_EACH_OBJECT_PACK_ORDER; | |
201 | if (ignore_in_core_kept_packs) | |
202 | flags |= FOR_EACH_OBJECT_SKIP_IN_CORE_KEPT_PACKS; | |
203 | ||
204 | return for_each_packed_object(add_recent_packed, &data, flags); | |
d3038d22 JK |
205 | } |
206 | ||
fde67d68 JK |
207 | static int mark_object_seen(const struct object_id *oid, |
208 | enum object_type type, | |
c50dca2a JK |
209 | int exclude UNUSED, |
210 | uint32_t name_hash UNUSED, | |
211 | struct packed_git *found_pack UNUSED, | |
212 | off_t found_offset UNUSED) | |
fde67d68 JK |
213 | { |
214 | struct object *obj = lookup_object_by_type(the_repository, oid, type); | |
215 | if (!obj) | |
216 | die("unable to create object '%s'", oid_to_hex(oid)); | |
217 | ||
218 | obj->flags |= SEEN; | |
219 | return 0; | |
220 | } | |
221 | ||
dc347195 | 222 | void mark_reachable_objects(struct rev_info *revs, int mark_reflog, |
dddbad72 | 223 | timestamp_t mark_recent, struct progress *progress) |
94421474 | 224 | { |
0b26abc0 | 225 | struct connectivity_progress cp; |
fde67d68 | 226 | struct bitmap_index *bitmap_git; |
0b26abc0 | 227 | |
94421474 JH |
228 | /* |
229 | * Set up revision parsing, and mark us as being interested | |
230 | * in all object types, not just commits. | |
231 | */ | |
232 | revs->tag_objects = 1; | |
233 | revs->blob_objects = 1; | |
234 | revs->tree_objects = 1; | |
235 | ||
236 | /* Add all refs from the index file */ | |
1be111d8 | 237 | add_index_objects_to_pending(revs, 0); |
94421474 JH |
238 | |
239 | /* Add all external refs */ | |
635170f2 | 240 | for_each_ref(add_one_ref, revs); |
94421474 | 241 | |
c40fdd01 | 242 | /* detached HEAD is not included in the list above */ |
635170f2 | 243 | head_ref(add_one_ref, revs); |
d0c39a49 | 244 | other_head_refs(add_one_ref, revs); |
c40fdd01 | 245 | |
eb8381c8 | 246 | /* Add all reflog info */ |
94421474 | 247 | if (mark_reflog) |
718ccc97 | 248 | add_reflogs_to_pending(revs, 0); |
94421474 | 249 | |
0b26abc0 JK |
250 | cp.progress = progress; |
251 | cp.count = 0; | |
252 | ||
09d4a79e | 253 | bitmap_git = prepare_bitmap_walk(revs, 0); |
fde67d68 | 254 | if (bitmap_git) { |
4eb707eb | 255 | traverse_bitmap_commit_list(bitmap_git, revs, mark_object_seen); |
fde67d68 | 256 | free_bitmap_index(bitmap_git); |
2ba582ba JK |
257 | } else { |
258 | if (prepare_revision_walk(revs)) | |
259 | die("revision walk setup failed"); | |
260 | traverse_commit_list(revs, mark_commit, mark_object, &cp); | |
fde67d68 JK |
261 | } |
262 | ||
d3038d22 JK |
263 | if (mark_recent) { |
264 | revs->ignore_missing_links = 1; | |
2fb90409 TB |
265 | if (add_unseen_recent_objects_to_traversal(revs, mark_recent, |
266 | NULL, 0)) | |
d3038d22 JK |
267 | die("unable to mark recent objects"); |
268 | if (prepare_revision_walk(revs)) | |
269 | die("revision walk setup failed"); | |
270 | traverse_commit_list(revs, mark_commit, mark_object, &cp); | |
271 | } | |
272 | ||
0b26abc0 | 273 | display_progress(cp.progress, cp.count); |
94421474 | 274 | } |