]>
Commit | Line | Data |
---|---|---|
72d0ea00 BW |
1 | #include "cache.h" |
2 | #include "repository.h" | |
3 | #include "refs.h" | |
4 | #include "remote.h" | |
5 | #include "argv-array.h" | |
6 | #include "ls-refs.h" | |
7 | #include "pkt-line.h" | |
e20b4192 | 8 | #include "config.h" |
72d0ea00 BW |
9 | |
10 | /* | |
11 | * Check if one of the prefixes is a prefix of the ref. | |
12 | * If no prefixes were provided, all refs match. | |
13 | */ | |
14 | static int ref_match(const struct argv_array *prefixes, const char *refname) | |
15 | { | |
16 | int i; | |
17 | ||
18 | if (!prefixes->argc) | |
19 | return 1; /* no restriction */ | |
20 | ||
21 | for (i = 0; i < prefixes->argc; i++) { | |
22 | const char *prefix = prefixes->argv[i]; | |
23 | ||
24 | if (starts_with(refname, prefix)) | |
25 | return 1; | |
26 | } | |
27 | ||
28 | return 0; | |
29 | } | |
30 | ||
31 | struct ls_refs_data { | |
32 | unsigned peel; | |
33 | unsigned symrefs; | |
34 | struct argv_array prefixes; | |
35 | }; | |
36 | ||
37 | static int send_ref(const char *refname, const struct object_id *oid, | |
38 | int flag, void *cb_data) | |
39 | { | |
40 | struct ls_refs_data *data = cb_data; | |
41 | const char *refname_nons = strip_namespace(refname); | |
42 | struct strbuf refline = STRBUF_INIT; | |
43 | ||
e20b4192 JK |
44 | if (ref_is_hidden(refname_nons, refname)) |
45 | return 0; | |
46 | ||
e2f41a0a | 47 | if (!ref_match(&data->prefixes, refname_nons)) |
72d0ea00 BW |
48 | return 0; |
49 | ||
50 | strbuf_addf(&refline, "%s %s", oid_to_hex(oid), refname_nons); | |
51 | if (data->symrefs && flag & REF_ISSYMREF) { | |
52 | struct object_id unused; | |
53 | const char *symref_target = resolve_ref_unsafe(refname, 0, | |
54 | &unused, | |
55 | &flag); | |
56 | ||
57 | if (!symref_target) | |
58 | die("'%s' is a symref but it is not?", refname); | |
59 | ||
60 | strbuf_addf(&refline, " symref-target:%s", symref_target); | |
61 | } | |
62 | ||
63 | if (data->peel) { | |
64 | struct object_id peeled; | |
65 | if (!peel_ref(refname, &peeled)) | |
66 | strbuf_addf(&refline, " peeled:%s", oid_to_hex(&peeled)); | |
67 | } | |
68 | ||
69 | strbuf_addch(&refline, '\n'); | |
70 | packet_write(1, refline.buf, refline.len); | |
71 | ||
72 | strbuf_release(&refline); | |
73 | return 0; | |
74 | } | |
75 | ||
e20b4192 JK |
76 | static int ls_refs_config(const char *var, const char *value, void *data) |
77 | { | |
78 | /* | |
79 | * We only serve fetches over v2 for now, so respect only "uploadpack" | |
80 | * config. This may need to eventually be expanded to "receive", but we | |
81 | * don't yet know how that information will be passed to ls-refs. | |
82 | */ | |
83 | return parse_hide_refs_config(var, value, "uploadpack"); | |
84 | } | |
85 | ||
72d0ea00 BW |
86 | int ls_refs(struct repository *r, struct argv_array *keys, |
87 | struct packet_reader *request) | |
88 | { | |
89 | struct ls_refs_data data; | |
90 | ||
91 | memset(&data, 0, sizeof(data)); | |
92 | ||
e20b4192 JK |
93 | git_config(ls_refs_config, NULL); |
94 | ||
72d0ea00 BW |
95 | while (packet_reader_read(request) != PACKET_READ_FLUSH) { |
96 | const char *arg = request->line; | |
97 | const char *out; | |
98 | ||
99 | if (!strcmp("peel", arg)) | |
100 | data.peel = 1; | |
101 | else if (!strcmp("symrefs", arg)) | |
102 | data.symrefs = 1; | |
103 | else if (skip_prefix(arg, "ref-prefix ", &out)) | |
104 | argv_array_push(&data.prefixes, out); | |
105 | } | |
106 | ||
107 | head_ref_namespaced(send_ref, &data); | |
108 | for_each_namespaced_ref(send_ref, &data); | |
109 | packet_flush(1); | |
110 | argv_array_clear(&data.prefixes); | |
111 | return 0; | |
112 | } |