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Commit | Line | Data |
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94421474 JH |
1 | #include "cache.h" |
2 | #include "refs.h" | |
3 | #include "tag.h" | |
4 | #include "commit.h" | |
5 | #include "blob.h" | |
6 | #include "diff.h" | |
7 | #include "revision.h" | |
8 | #include "reachable.h" | |
9 | #include "cache-tree.h" | |
dc347195 | 10 | #include "progress.h" |
5f78a431 | 11 | #include "list-objects.h" |
7709f468 | 12 | #include "packfile.h" |
d0c39a49 | 13 | #include "worktree.h" |
a80d72db | 14 | #include "object-store.h" |
94421474 | 15 | |
0b26abc0 JK |
16 | struct connectivity_progress { |
17 | struct progress *progress; | |
18 | unsigned long count; | |
19 | }; | |
20 | ||
21 | static void update_progress(struct connectivity_progress *cp) | |
22 | { | |
23 | cp->count++; | |
24 | if ((cp->count & 1023) == 0) | |
25 | display_progress(cp->progress, cp->count); | |
26 | } | |
27 | ||
635170f2 MH |
28 | static int add_one_ref(const char *path, const struct object_id *oid, |
29 | int flag, void *cb_data) | |
94421474 | 30 | { |
94421474 | 31 | struct rev_info *revs = (struct rev_info *)cb_data; |
14886b40 | 32 | struct object *object; |
94421474 | 33 | |
14886b40 JS |
34 | if ((flag & REF_ISSYMREF) && (flag & REF_ISBROKEN)) { |
35 | warning("symbolic ref is dangling: %s", path); | |
36 | return 0; | |
37 | } | |
38 | ||
c251c83d | 39 | object = parse_object_or_die(oid, path); |
94421474 JH |
40 | add_pending_object(revs, object, ""); |
41 | ||
42 | return 0; | |
43 | } | |
44 | ||
5f78a431 JK |
45 | /* |
46 | * The traversal will have already marked us as SEEN, so we | |
47 | * only need to handle any progress reporting here. | |
48 | */ | |
de1e67d0 | 49 | static void mark_object(struct object *obj, const char *name, void *data) |
5f78a431 JK |
50 | { |
51 | update_progress(data); | |
52 | } | |
53 | ||
54 | static void mark_commit(struct commit *c, void *data) | |
55 | { | |
de1e67d0 | 56 | mark_object(&c->object, NULL, data); |
5f78a431 JK |
57 | } |
58 | ||
d3038d22 JK |
59 | struct recent_data { |
60 | struct rev_info *revs; | |
dddbad72 | 61 | timestamp_t timestamp; |
d3038d22 JK |
62 | }; |
63 | ||
76c1d9a0 | 64 | static void add_recent_object(const struct object_id *oid, |
dddbad72 | 65 | timestamp_t mtime, |
d3038d22 JK |
66 | struct recent_data *data) |
67 | { | |
68 | struct object *obj; | |
69 | enum object_type type; | |
70 | ||
71 | if (mtime <= data->timestamp) | |
72 | return; | |
73 | ||
74 | /* | |
75 | * We do not want to call parse_object here, because | |
76 | * inflating blobs and trees could be very expensive. | |
77 | * However, we do need to know the correct type for | |
78 | * later processing, and the revision machinery expects | |
79 | * commits and tags to have been parsed. | |
80 | */ | |
abef9020 | 81 | type = oid_object_info(oid, NULL); |
d3038d22 | 82 | if (type < 0) |
76c1d9a0 | 83 | die("unable to get object info for %s", oid_to_hex(oid)); |
d3038d22 JK |
84 | |
85 | switch (type) { | |
86 | case OBJ_TAG: | |
87 | case OBJ_COMMIT: | |
c251c83d | 88 | obj = parse_object_or_die(oid, NULL); |
d3038d22 JK |
89 | break; |
90 | case OBJ_TREE: | |
740ee055 | 91 | obj = (struct object *)lookup_tree(oid); |
d3038d22 JK |
92 | break; |
93 | case OBJ_BLOB: | |
3aca1fc6 | 94 | obj = (struct object *)lookup_blob(oid); |
d3038d22 JK |
95 | break; |
96 | default: | |
97 | die("unknown object type for %s: %s", | |
debca9d2 | 98 | oid_to_hex(oid), type_name(type)); |
d3038d22 JK |
99 | } |
100 | ||
101 | if (!obj) | |
76c1d9a0 | 102 | die("unable to lookup %s", oid_to_hex(oid)); |
d3038d22 JK |
103 | |
104 | add_pending_object(data->revs, obj, ""); | |
105 | } | |
106 | ||
76c1d9a0 | 107 | static int add_recent_loose(const struct object_id *oid, |
d3038d22 JK |
108 | const char *path, void *data) |
109 | { | |
110 | struct stat st; | |
76c1d9a0 | 111 | struct object *obj = lookup_object(oid->hash); |
d3038d22 JK |
112 | |
113 | if (obj && obj->flags & SEEN) | |
114 | return 0; | |
115 | ||
116 | if (stat(path, &st) < 0) { | |
117 | /* | |
118 | * It's OK if an object went away during our iteration; this | |
119 | * could be due to a simultaneous repack. But anything else | |
120 | * we should abort, since we might then fail to mark objects | |
121 | * which should not be pruned. | |
122 | */ | |
123 | if (errno == ENOENT) | |
124 | return 0; | |
76c1d9a0 | 125 | return error_errno("unable to stat %s", oid_to_hex(oid)); |
d3038d22 JK |
126 | } |
127 | ||
76c1d9a0 | 128 | add_recent_object(oid, st.st_mtime, data); |
d3038d22 JK |
129 | return 0; |
130 | } | |
131 | ||
76c1d9a0 | 132 | static int add_recent_packed(const struct object_id *oid, |
d3038d22 JK |
133 | struct packed_git *p, uint32_t pos, |
134 | void *data) | |
135 | { | |
76c1d9a0 | 136 | struct object *obj = lookup_object(oid->hash); |
d3038d22 JK |
137 | |
138 | if (obj && obj->flags & SEEN) | |
139 | return 0; | |
76c1d9a0 | 140 | add_recent_object(oid, p->mtime, data); |
d3038d22 JK |
141 | return 0; |
142 | } | |
143 | ||
abcb8655 | 144 | int add_unseen_recent_objects_to_traversal(struct rev_info *revs, |
dddbad72 | 145 | timestamp_t timestamp) |
d3038d22 JK |
146 | { |
147 | struct recent_data data; | |
148 | int r; | |
149 | ||
150 | data.revs = revs; | |
151 | data.timestamp = timestamp; | |
152 | ||
1385bb7b JK |
153 | r = for_each_loose_object(add_recent_loose, &data, |
154 | FOR_EACH_OBJECT_LOCAL_ONLY); | |
d3038d22 JK |
155 | if (r) |
156 | return r; | |
1385bb7b JK |
157 | return for_each_packed_object(add_recent_packed, &data, |
158 | FOR_EACH_OBJECT_LOCAL_ONLY); | |
d3038d22 JK |
159 | } |
160 | ||
dc347195 | 161 | void mark_reachable_objects(struct rev_info *revs, int mark_reflog, |
dddbad72 | 162 | timestamp_t mark_recent, struct progress *progress) |
94421474 | 163 | { |
0b26abc0 JK |
164 | struct connectivity_progress cp; |
165 | ||
94421474 JH |
166 | /* |
167 | * Set up revision parsing, and mark us as being interested | |
168 | * in all object types, not just commits. | |
169 | */ | |
170 | revs->tag_objects = 1; | |
171 | revs->blob_objects = 1; | |
172 | revs->tree_objects = 1; | |
173 | ||
174 | /* Add all refs from the index file */ | |
1be111d8 | 175 | add_index_objects_to_pending(revs, 0); |
94421474 JH |
176 | |
177 | /* Add all external refs */ | |
635170f2 | 178 | for_each_ref(add_one_ref, revs); |
94421474 | 179 | |
c40fdd01 | 180 | /* detached HEAD is not included in the list above */ |
635170f2 | 181 | head_ref(add_one_ref, revs); |
d0c39a49 | 182 | other_head_refs(add_one_ref, revs); |
c40fdd01 | 183 | |
eb8381c8 | 184 | /* Add all reflog info */ |
94421474 | 185 | if (mark_reflog) |
718ccc97 | 186 | add_reflogs_to_pending(revs, 0); |
94421474 | 187 | |
0b26abc0 JK |
188 | cp.progress = progress; |
189 | cp.count = 0; | |
190 | ||
94421474 JH |
191 | /* |
192 | * Set up the revision walk - this will move all commits | |
193 | * from the pending list to the commit walking list. | |
194 | */ | |
3d51e1b5 MK |
195 | if (prepare_revision_walk(revs)) |
196 | die("revision walk setup failed"); | |
5f78a431 | 197 | traverse_commit_list(revs, mark_commit, mark_object, &cp); |
d3038d22 JK |
198 | |
199 | if (mark_recent) { | |
200 | revs->ignore_missing_links = 1; | |
201 | if (add_unseen_recent_objects_to_traversal(revs, mark_recent)) | |
202 | die("unable to mark recent objects"); | |
203 | if (prepare_revision_walk(revs)) | |
204 | die("revision walk setup failed"); | |
205 | traverse_commit_list(revs, mark_commit, mark_object, &cp); | |
206 | } | |
207 | ||
0b26abc0 | 208 | display_progress(cp.progress, cp.count); |
94421474 | 209 | } |