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116 lines
2.7 KiB
116 lines
2.7 KiB
#include "cache.h" |
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#include "repository.h" |
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#include "refs.h" |
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#include "remote.h" |
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#include "strvec.h" |
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#include "ls-refs.h" |
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#include "pkt-line.h" |
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#include "config.h" |
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/* |
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* Check if one of the prefixes is a prefix of the ref. |
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* If no prefixes were provided, all refs match. |
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*/ |
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static int ref_match(const struct strvec *prefixes, const char *refname) |
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{ |
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int i; |
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if (!prefixes->nr) |
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return 1; /* no restriction */ |
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for (i = 0; i < prefixes->nr; i++) { |
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const char *prefix = prefixes->v[i]; |
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if (starts_with(refname, prefix)) |
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return 1; |
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} |
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return 0; |
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} |
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struct ls_refs_data { |
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unsigned peel; |
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unsigned symrefs; |
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struct strvec prefixes; |
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}; |
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static int send_ref(const char *refname, const struct object_id *oid, |
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int flag, void *cb_data) |
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{ |
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struct ls_refs_data *data = cb_data; |
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const char *refname_nons = strip_namespace(refname); |
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struct strbuf refline = STRBUF_INIT; |
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if (ref_is_hidden(refname_nons, refname)) |
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return 0; |
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if (!ref_match(&data->prefixes, refname_nons)) |
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return 0; |
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strbuf_addf(&refline, "%s %s", oid_to_hex(oid), refname_nons); |
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if (data->symrefs && flag & REF_ISSYMREF) { |
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struct object_id unused; |
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const char *symref_target = resolve_ref_unsafe(refname, 0, |
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&unused, |
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&flag); |
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if (!symref_target) |
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die("'%s' is a symref but it is not?", refname); |
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strbuf_addf(&refline, " symref-target:%s", |
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strip_namespace(symref_target)); |
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} |
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if (data->peel) { |
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struct object_id peeled; |
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if (!peel_ref(refname, &peeled)) |
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strbuf_addf(&refline, " peeled:%s", oid_to_hex(&peeled)); |
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} |
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strbuf_addch(&refline, '\n'); |
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packet_write(1, refline.buf, refline.len); |
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strbuf_release(&refline); |
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return 0; |
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} |
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static int ls_refs_config(const char *var, const char *value, void *data) |
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{ |
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/* |
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* We only serve fetches over v2 for now, so respect only "uploadpack" |
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* config. This may need to eventually be expanded to "receive", but we |
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* don't yet know how that information will be passed to ls-refs. |
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*/ |
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return parse_hide_refs_config(var, value, "uploadpack"); |
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} |
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int ls_refs(struct repository *r, struct strvec *keys, |
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struct packet_reader *request) |
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{ |
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struct ls_refs_data data; |
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memset(&data, 0, sizeof(data)); |
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git_config(ls_refs_config, NULL); |
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while (packet_reader_read(request) == PACKET_READ_NORMAL) { |
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const char *arg = request->line; |
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const char *out; |
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if (!strcmp("peel", arg)) |
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data.peel = 1; |
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else if (!strcmp("symrefs", arg)) |
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data.symrefs = 1; |
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else if (skip_prefix(arg, "ref-prefix ", &out)) |
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strvec_push(&data.prefixes, out); |
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} |
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if (request->status != PACKET_READ_FLUSH) |
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die(_("expected flush after ls-refs arguments")); |
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head_ref_namespaced(send_ref, &data); |
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for_each_namespaced_ref(send_ref, &data); |
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packet_flush(1); |
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strvec_clear(&data.prefixes); |
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return 0; |
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}
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