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Commit | Line | Data |
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98750588 | 1 | #include "git-compat-util.h" |
f394e093 | 2 | #include "gettext.h" |
41771fa4 | 3 | #include "hex.h" |
94421474 JH |
4 | #include "refs.h" |
5 | #include "tag.h" | |
6 | #include "commit.h" | |
7 | #include "blob.h" | |
8 | #include "diff.h" | |
9 | #include "revision.h" | |
10 | #include "reachable.h" | |
11 | #include "cache-tree.h" | |
dc347195 | 12 | #include "progress.h" |
5f78a431 | 13 | #include "list-objects.h" |
7709f468 | 14 | #include "packfile.h" |
d0c39a49 | 15 | #include "worktree.h" |
a80d72db | 16 | #include "object-store.h" |
fde67d68 | 17 | #include "pack-bitmap.h" |
fb546d6e | 18 | #include "pack-mtimes.h" |
94421474 | 19 | |
0b26abc0 JK |
20 | struct connectivity_progress { |
21 | struct progress *progress; | |
22 | unsigned long count; | |
23 | }; | |
24 | ||
25 | static void update_progress(struct connectivity_progress *cp) | |
26 | { | |
27 | cp->count++; | |
28 | if ((cp->count & 1023) == 0) | |
29 | display_progress(cp->progress, cp->count); | |
30 | } | |
31 | ||
635170f2 MH |
32 | static int add_one_ref(const char *path, const struct object_id *oid, |
33 | int flag, void *cb_data) | |
94421474 | 34 | { |
94421474 | 35 | struct rev_info *revs = (struct rev_info *)cb_data; |
14886b40 | 36 | struct object *object; |
94421474 | 37 | |
14886b40 JS |
38 | if ((flag & REF_ISSYMREF) && (flag & REF_ISBROKEN)) { |
39 | warning("symbolic ref is dangling: %s", path); | |
40 | return 0; | |
41 | } | |
42 | ||
c251c83d | 43 | object = parse_object_or_die(oid, path); |
94421474 JH |
44 | add_pending_object(revs, object, ""); |
45 | ||
46 | return 0; | |
47 | } | |
48 | ||
5f78a431 JK |
49 | /* |
50 | * The traversal will have already marked us as SEEN, so we | |
51 | * only need to handle any progress reporting here. | |
52 | */ | |
c50dca2a JK |
53 | static void mark_object(struct object *obj UNUSED, |
54 | const char *name UNUSED, | |
55 | void *data) | |
5f78a431 JK |
56 | { |
57 | update_progress(data); | |
58 | } | |
59 | ||
60 | static void mark_commit(struct commit *c, void *data) | |
61 | { | |
de1e67d0 | 62 | mark_object(&c->object, NULL, data); |
5f78a431 JK |
63 | } |
64 | ||
d3038d22 JK |
65 | struct recent_data { |
66 | struct rev_info *revs; | |
dddbad72 | 67 | timestamp_t timestamp; |
2fb90409 TB |
68 | report_recent_object_fn *cb; |
69 | int ignore_in_core_kept_packs; | |
d3038d22 JK |
70 | }; |
71 | ||
76c1d9a0 | 72 | static void add_recent_object(const struct object_id *oid, |
2fb90409 TB |
73 | struct packed_git *pack, |
74 | off_t offset, | |
dddbad72 | 75 | timestamp_t mtime, |
d3038d22 JK |
76 | struct recent_data *data) |
77 | { | |
78 | struct object *obj; | |
79 | enum object_type type; | |
80 | ||
81 | if (mtime <= data->timestamp) | |
82 | return; | |
83 | ||
84 | /* | |
85 | * We do not want to call parse_object here, because | |
86 | * inflating blobs and trees could be very expensive. | |
87 | * However, we do need to know the correct type for | |
88 | * later processing, and the revision machinery expects | |
89 | * commits and tags to have been parsed. | |
90 | */ | |
0df8e965 | 91 | type = oid_object_info(the_repository, oid, NULL); |
d3038d22 | 92 | if (type < 0) |
76c1d9a0 | 93 | die("unable to get object info for %s", oid_to_hex(oid)); |
d3038d22 JK |
94 | |
95 | switch (type) { | |
96 | case OBJ_TAG: | |
97 | case OBJ_COMMIT: | |
c251c83d | 98 | obj = parse_object_or_die(oid, NULL); |
d3038d22 JK |
99 | break; |
100 | case OBJ_TREE: | |
f86bcc7b | 101 | obj = (struct object *)lookup_tree(the_repository, oid); |
d3038d22 JK |
102 | break; |
103 | case OBJ_BLOB: | |
da14a7ff | 104 | obj = (struct object *)lookup_blob(the_repository, oid); |
d3038d22 JK |
105 | break; |
106 | default: | |
107 | die("unknown object type for %s: %s", | |
debca9d2 | 108 | oid_to_hex(oid), type_name(type)); |
d3038d22 JK |
109 | } |
110 | ||
111 | if (!obj) | |
76c1d9a0 | 112 | die("unable to lookup %s", oid_to_hex(oid)); |
d3038d22 JK |
113 | |
114 | add_pending_object(data->revs, obj, ""); | |
2fb90409 TB |
115 | if (data->cb) |
116 | data->cb(obj, pack, offset, mtime); | |
117 | } | |
118 | ||
119 | static int want_recent_object(struct recent_data *data, | |
120 | const struct object_id *oid) | |
121 | { | |
122 | if (data->ignore_in_core_kept_packs && | |
123 | has_object_kept_pack(oid, IN_CORE_KEEP_PACKS)) | |
124 | return 0; | |
125 | return 1; | |
d3038d22 JK |
126 | } |
127 | ||
76c1d9a0 | 128 | static int add_recent_loose(const struct object_id *oid, |
d3038d22 JK |
129 | const char *path, void *data) |
130 | { | |
131 | struct stat st; | |
2fb90409 TB |
132 | struct object *obj; |
133 | ||
134 | if (!want_recent_object(data, oid)) | |
135 | return 0; | |
136 | ||
137 | obj = lookup_object(the_repository, oid); | |
d3038d22 JK |
138 | |
139 | if (obj && obj->flags & SEEN) | |
140 | return 0; | |
141 | ||
142 | if (stat(path, &st) < 0) { | |
143 | /* | |
144 | * It's OK if an object went away during our iteration; this | |
145 | * could be due to a simultaneous repack. But anything else | |
146 | * we should abort, since we might then fail to mark objects | |
147 | * which should not be pruned. | |
148 | */ | |
149 | if (errno == ENOENT) | |
150 | return 0; | |
76c1d9a0 | 151 | return error_errno("unable to stat %s", oid_to_hex(oid)); |
d3038d22 JK |
152 | } |
153 | ||
2fb90409 | 154 | add_recent_object(oid, NULL, 0, st.st_mtime, data); |
d3038d22 JK |
155 | return 0; |
156 | } | |
157 | ||
76c1d9a0 | 158 | static int add_recent_packed(const struct object_id *oid, |
be252d33 JK |
159 | struct packed_git *p, |
160 | uint32_t pos, | |
d3038d22 JK |
161 | void *data) |
162 | { | |
2fb90409 | 163 | struct object *obj; |
fb546d6e | 164 | timestamp_t mtime = p->mtime; |
2fb90409 TB |
165 | |
166 | if (!want_recent_object(data, oid)) | |
167 | return 0; | |
168 | ||
169 | obj = lookup_object(the_repository, oid); | |
d3038d22 JK |
170 | |
171 | if (obj && obj->flags & SEEN) | |
172 | return 0; | |
fb546d6e TB |
173 | if (p->is_cruft) { |
174 | if (load_pack_mtimes(p) < 0) | |
175 | die(_("could not load cruft pack .mtimes")); | |
176 | mtime = nth_packed_mtime(p, pos); | |
177 | } | |
178 | add_recent_object(oid, p, nth_packed_object_offset(p, pos), mtime, data); | |
d3038d22 JK |
179 | return 0; |
180 | } | |
181 | ||
abcb8655 | 182 | int add_unseen_recent_objects_to_traversal(struct rev_info *revs, |
2fb90409 TB |
183 | timestamp_t timestamp, |
184 | report_recent_object_fn *cb, | |
185 | int ignore_in_core_kept_packs) | |
d3038d22 JK |
186 | { |
187 | struct recent_data data; | |
2fb90409 | 188 | enum for_each_object_flags flags; |
d3038d22 JK |
189 | int r; |
190 | ||
191 | data.revs = revs; | |
192 | data.timestamp = timestamp; | |
2fb90409 TB |
193 | data.cb = cb; |
194 | data.ignore_in_core_kept_packs = ignore_in_core_kept_packs; | |
d3038d22 | 195 | |
1385bb7b JK |
196 | r = for_each_loose_object(add_recent_loose, &data, |
197 | FOR_EACH_OBJECT_LOCAL_ONLY); | |
d3038d22 JK |
198 | if (r) |
199 | return r; | |
2fb90409 TB |
200 | |
201 | flags = FOR_EACH_OBJECT_LOCAL_ONLY | FOR_EACH_OBJECT_PACK_ORDER; | |
202 | if (ignore_in_core_kept_packs) | |
203 | flags |= FOR_EACH_OBJECT_SKIP_IN_CORE_KEPT_PACKS; | |
204 | ||
205 | return for_each_packed_object(add_recent_packed, &data, flags); | |
d3038d22 JK |
206 | } |
207 | ||
fde67d68 JK |
208 | static int mark_object_seen(const struct object_id *oid, |
209 | enum object_type type, | |
c50dca2a JK |
210 | int exclude UNUSED, |
211 | uint32_t name_hash UNUSED, | |
212 | struct packed_git *found_pack UNUSED, | |
213 | off_t found_offset UNUSED) | |
fde67d68 JK |
214 | { |
215 | struct object *obj = lookup_object_by_type(the_repository, oid, type); | |
216 | if (!obj) | |
217 | die("unable to create object '%s'", oid_to_hex(oid)); | |
218 | ||
219 | obj->flags |= SEEN; | |
220 | return 0; | |
221 | } | |
222 | ||
dc347195 | 223 | void mark_reachable_objects(struct rev_info *revs, int mark_reflog, |
dddbad72 | 224 | timestamp_t mark_recent, struct progress *progress) |
94421474 | 225 | { |
0b26abc0 | 226 | struct connectivity_progress cp; |
fde67d68 | 227 | struct bitmap_index *bitmap_git; |
0b26abc0 | 228 | |
94421474 JH |
229 | /* |
230 | * Set up revision parsing, and mark us as being interested | |
231 | * in all object types, not just commits. | |
232 | */ | |
233 | revs->tag_objects = 1; | |
234 | revs->blob_objects = 1; | |
235 | revs->tree_objects = 1; | |
236 | ||
237 | /* Add all refs from the index file */ | |
1be111d8 | 238 | add_index_objects_to_pending(revs, 0); |
94421474 JH |
239 | |
240 | /* Add all external refs */ | |
635170f2 | 241 | for_each_ref(add_one_ref, revs); |
94421474 | 242 | |
c40fdd01 | 243 | /* detached HEAD is not included in the list above */ |
635170f2 | 244 | head_ref(add_one_ref, revs); |
d0c39a49 | 245 | other_head_refs(add_one_ref, revs); |
c40fdd01 | 246 | |
eb8381c8 | 247 | /* Add all reflog info */ |
94421474 | 248 | if (mark_reflog) |
718ccc97 | 249 | add_reflogs_to_pending(revs, 0); |
94421474 | 250 | |
0b26abc0 JK |
251 | cp.progress = progress; |
252 | cp.count = 0; | |
253 | ||
09d4a79e | 254 | bitmap_git = prepare_bitmap_walk(revs, 0); |
fde67d68 | 255 | if (bitmap_git) { |
4eb707eb | 256 | traverse_bitmap_commit_list(bitmap_git, revs, mark_object_seen); |
fde67d68 | 257 | free_bitmap_index(bitmap_git); |
2ba582ba JK |
258 | } else { |
259 | if (prepare_revision_walk(revs)) | |
260 | die("revision walk setup failed"); | |
261 | traverse_commit_list(revs, mark_commit, mark_object, &cp); | |
fde67d68 JK |
262 | } |
263 | ||
d3038d22 JK |
264 | if (mark_recent) { |
265 | revs->ignore_missing_links = 1; | |
2fb90409 TB |
266 | if (add_unseen_recent_objects_to_traversal(revs, mark_recent, |
267 | NULL, 0)) | |
d3038d22 JK |
268 | die("unable to mark recent objects"); |
269 | if (prepare_revision_walk(revs)) | |
270 | die("revision walk setup failed"); | |
271 | traverse_commit_list(revs, mark_commit, mark_object, &cp); | |
272 | } | |
273 | ||
0b26abc0 | 274 | display_progress(cp.progress, cp.count); |
94421474 | 275 | } |