/src/git/replace-object.h
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1 | | #ifndef REPLACE_OBJECT_H |
2 | | #define REPLACE_OBJECT_H |
3 | | |
4 | | #include "oidmap.h" |
5 | | #include "repository.h" |
6 | | #include "object-store-ll.h" |
7 | | |
8 | | struct replace_object { |
9 | | struct oidmap_entry original; |
10 | | struct object_id replacement; |
11 | | }; |
12 | | |
13 | | void prepare_replace_object(struct repository *r); |
14 | | |
15 | | /* |
16 | | * This internal function is only declared here for the benefit of |
17 | | * lookup_replace_object(). Please do not call it directly. |
18 | | */ |
19 | | const struct object_id *do_lookup_replace_object(struct repository *r, |
20 | | const struct object_id *oid); |
21 | | |
22 | | /* |
23 | | * Some commands disable replace-refs unconditionally, and otherwise each |
24 | | * repository could alter the core.useReplaceRefs config value. |
25 | | * |
26 | | * Return 1 if and only if all of the following are true: |
27 | | * |
28 | | * a. disable_replace_refs() has not been called. |
29 | | * b. GIT_NO_REPLACE_OBJECTS is unset or zero. |
30 | | * c. the given repository does not have core.useReplaceRefs=false. |
31 | | */ |
32 | | int replace_refs_enabled(struct repository *r); |
33 | | |
34 | | /* |
35 | | * If object sha1 should be replaced, return the replacement object's |
36 | | * name (replaced recursively, if necessary). The return value is |
37 | | * either sha1 or a pointer to a permanently-allocated value. When |
38 | | * object replacement is suppressed, always return sha1. |
39 | | * |
40 | | * Note: some thread debuggers might point a data race on the |
41 | | * replace_map_initialized reading in this function. However, we know there's no |
42 | | * problem in the value being updated by one thread right after another one read |
43 | | * it here (and it should be written to only once, anyway). |
44 | | */ |
45 | | static inline const struct object_id *lookup_replace_object(struct repository *r, |
46 | | const struct object_id *oid) |
47 | 84.2k | { |
48 | 84.2k | if (!replace_refs_enabled(r) || |
49 | 84.2k | (r->objects->replace_map_initialized && |
50 | 84.2k | r->objects->replace_map->map.tablesize == 0)) |
51 | 0 | return oid; |
52 | 84.2k | return do_lookup_replace_object(r, oid); |
53 | 84.2k | } Unexecuted instantiation: cat-file.c:lookup_replace_object Unexecuted instantiation: commit-graph.c:lookup_replace_object Unexecuted instantiation: fsck.c:lookup_replace_object Unexecuted instantiation: index-pack.c:lookup_replace_object Unexecuted instantiation: mktag.c:lookup_replace_object Unexecuted instantiation: multi-pack-index.c:lookup_replace_object Unexecuted instantiation: pack-objects.c:lookup_replace_object Unexecuted instantiation: prune.c:lookup_replace_object Unexecuted instantiation: replace.c:lookup_replace_object Unexecuted instantiation: unpack-objects.c:lookup_replace_object Unexecuted instantiation: upload-pack.c:lookup_replace_object Unexecuted instantiation: git.c:lookup_replace_object Unexecuted instantiation: cache-tree.c:lookup_replace_object Unexecuted instantiation: environment.c:lookup_replace_object Unexecuted instantiation: log-tree.c:lookup_replace_object object-file.c:lookup_replace_object Line | Count | Source | 47 | 56.1k | { | 48 | 56.1k | if (!replace_refs_enabled(r) || | 49 | 56.1k | (r->objects->replace_map_initialized && | 50 | 56.1k | r->objects->replace_map->map.tablesize == 0)) | 51 | 0 | return oid; | 52 | 56.1k | return do_lookup_replace_object(r, oid); | 53 | 56.1k | } |
object.c:lookup_replace_object Line | Count | Source | 47 | 28.0k | { | 48 | 28.0k | if (!replace_refs_enabled(r) || | 49 | 28.0k | (r->objects->replace_map_initialized && | 50 | 28.0k | r->objects->replace_map->map.tablesize == 0)) | 51 | 0 | return oid; | 52 | 28.0k | return do_lookup_replace_object(r, oid); | 53 | 28.0k | } |
Unexecuted instantiation: replace-object.c:lookup_replace_object Unexecuted instantiation: streaming.c:lookup_replace_object |
54 | | |
55 | | /* |
56 | | * Some commands override config and environment settings for using |
57 | | * replace references. Use this method to disable the setting and ensure |
58 | | * those other settings will not override this choice. This applies |
59 | | * globally to all in-process repositories. |
60 | | */ |
61 | | void disable_replace_refs(void); |
62 | | |
63 | | #endif /* REPLACE_OBJECT_H */ |