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![Elijah Newren](/assets/img/avatar_default.png)
Each of these were checked with gcc -E -I. ${SOURCE_FILE} | grep ${HEADER_FILE} to ensure that removing the direct inclusion of the header actually resulted in that header no longer being included at all (i.e. that no other header pulled it in transitively). ...except for a few cases where we verified that although the header was brought in transitively, nothing from it was directly used in that source file. These cases were: * builtin/credential-cache.c * builtin/pull.c * builtin/send-pack.c Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
935 lines
23 KiB
C
935 lines
23 KiB
C
#include "git-compat-util.h"
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#include "bundle-uri.h"
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#include "bundle.h"
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#include "copy.h"
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#include "environment.h"
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#include "gettext.h"
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#include "refs.h"
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#include "run-command.h"
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#include "hashmap.h"
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#include "pkt-line.h"
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#include "config.h"
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#include "remote.h"
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static struct {
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enum bundle_list_heuristic heuristic;
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const char *name;
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} heuristics[BUNDLE_HEURISTIC__COUNT] = {
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{ BUNDLE_HEURISTIC_NONE, ""},
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{ BUNDLE_HEURISTIC_CREATIONTOKEN, "creationToken" },
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};
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static int compare_bundles(const void *hashmap_cmp_fn_data UNUSED,
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const struct hashmap_entry *he1,
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const struct hashmap_entry *he2,
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const void *id)
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{
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const struct remote_bundle_info *e1 =
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container_of(he1, const struct remote_bundle_info, ent);
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const struct remote_bundle_info *e2 =
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container_of(he2, const struct remote_bundle_info, ent);
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return strcmp(e1->id, id ? (const char *)id : e2->id);
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}
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void init_bundle_list(struct bundle_list *list)
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{
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memset(list, 0, sizeof(*list));
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/* Implied defaults. */
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list->mode = BUNDLE_MODE_ALL;
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list->version = 1;
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hashmap_init(&list->bundles, compare_bundles, NULL, 0);
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}
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static int clear_remote_bundle_info(struct remote_bundle_info *bundle,
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void *data UNUSED)
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{
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FREE_AND_NULL(bundle->id);
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FREE_AND_NULL(bundle->uri);
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FREE_AND_NULL(bundle->file);
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bundle->unbundled = 0;
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return 0;
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}
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void clear_bundle_list(struct bundle_list *list)
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{
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if (!list)
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return;
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for_all_bundles_in_list(list, clear_remote_bundle_info, NULL);
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hashmap_clear_and_free(&list->bundles, struct remote_bundle_info, ent);
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free(list->baseURI);
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}
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int for_all_bundles_in_list(struct bundle_list *list,
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bundle_iterator iter,
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void *data)
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{
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struct remote_bundle_info *info;
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struct hashmap_iter i;
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hashmap_for_each_entry(&list->bundles, &i, info, ent) {
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int result = iter(info, data);
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if (result)
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return result;
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}
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return 0;
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}
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static int summarize_bundle(struct remote_bundle_info *info, void *data)
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{
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FILE *fp = data;
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fprintf(fp, "[bundle \"%s\"]\n", info->id);
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fprintf(fp, "\turi = %s\n", info->uri);
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if (info->creationToken)
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fprintf(fp, "\tcreationToken = %"PRIu64"\n", info->creationToken);
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return 0;
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}
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void print_bundle_list(FILE *fp, struct bundle_list *list)
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{
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const char *mode;
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switch (list->mode) {
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case BUNDLE_MODE_ALL:
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mode = "all";
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break;
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case BUNDLE_MODE_ANY:
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mode = "any";
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break;
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case BUNDLE_MODE_NONE:
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default:
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mode = "<unknown>";
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}
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fprintf(fp, "[bundle]\n");
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fprintf(fp, "\tversion = %d\n", list->version);
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fprintf(fp, "\tmode = %s\n", mode);
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if (list->heuristic) {
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int i;
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for (i = 0; i < BUNDLE_HEURISTIC__COUNT; i++) {
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if (heuristics[i].heuristic == list->heuristic) {
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printf("\theuristic = %s\n",
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heuristics[list->heuristic].name);
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break;
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}
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}
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}
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for_all_bundles_in_list(list, summarize_bundle, fp);
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}
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/**
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* Given a key-value pair, update the state of the given bundle list.
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* Returns 0 if the key-value pair is understood. Returns -1 if the key
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* is not understood or the value is malformed.
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*/
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static int bundle_list_update(const char *key, const char *value,
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struct bundle_list *list)
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{
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struct strbuf id = STRBUF_INIT;
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struct remote_bundle_info lookup = REMOTE_BUNDLE_INFO_INIT;
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struct remote_bundle_info *bundle;
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const char *subsection, *subkey;
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size_t subsection_len;
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if (parse_config_key(key, "bundle", &subsection, &subsection_len, &subkey))
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return -1;
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if (!subsection_len) {
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if (!strcmp(subkey, "version")) {
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int version;
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if (!git_parse_int(value, &version))
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return -1;
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if (version != 1)
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return -1;
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list->version = version;
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return 0;
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}
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if (!strcmp(subkey, "mode")) {
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if (!strcmp(value, "all"))
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list->mode = BUNDLE_MODE_ALL;
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else if (!strcmp(value, "any"))
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list->mode = BUNDLE_MODE_ANY;
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else
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return -1;
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return 0;
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}
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if (!strcmp(subkey, "heuristic")) {
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int i;
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for (i = 0; i < BUNDLE_HEURISTIC__COUNT; i++) {
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if (heuristics[i].heuristic &&
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heuristics[i].name &&
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!strcmp(value, heuristics[i].name)) {
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list->heuristic = heuristics[i].heuristic;
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return 0;
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}
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}
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/* Ignore unknown heuristics. */
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return 0;
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}
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/* Ignore other unknown global keys. */
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return 0;
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}
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strbuf_add(&id, subsection, subsection_len);
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/*
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* Check for an existing bundle with this <id>, or create one
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* if necessary.
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*/
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lookup.id = id.buf;
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hashmap_entry_init(&lookup.ent, strhash(lookup.id));
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if (!(bundle = hashmap_get_entry(&list->bundles, &lookup, ent, NULL))) {
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CALLOC_ARRAY(bundle, 1);
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bundle->id = strbuf_detach(&id, NULL);
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hashmap_entry_init(&bundle->ent, strhash(bundle->id));
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hashmap_add(&list->bundles, &bundle->ent);
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}
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strbuf_release(&id);
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if (!strcmp(subkey, "uri")) {
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if (bundle->uri)
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return -1;
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bundle->uri = relative_url(list->baseURI, value, NULL);
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return 0;
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}
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if (!strcmp(subkey, "creationtoken")) {
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if (sscanf(value, "%"PRIu64, &bundle->creationToken) != 1)
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warning(_("could not parse bundle list key %s with value '%s'"),
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"creationToken", value);
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return 0;
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}
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/*
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* At this point, we ignore any information that we don't
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* understand, assuming it to be hints for a heuristic the client
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* does not currently understand.
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*/
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return 0;
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}
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static int config_to_bundle_list(const char *key, const char *value,
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const struct config_context *ctx UNUSED,
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void *data)
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{
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struct bundle_list *list = data;
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return bundle_list_update(key, value, list);
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}
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int bundle_uri_parse_config_format(const char *uri,
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const char *filename,
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struct bundle_list *list)
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{
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int result;
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struct config_options opts = {
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.error_action = CONFIG_ERROR_ERROR,
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};
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if (!list->baseURI) {
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struct strbuf baseURI = STRBUF_INIT;
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strbuf_addstr(&baseURI, uri);
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/*
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* If the URI does not end with a trailing slash, then
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* remove the filename portion of the path. This is
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* important for relative URIs.
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*/
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strbuf_strip_file_from_path(&baseURI);
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list->baseURI = strbuf_detach(&baseURI, NULL);
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}
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result = git_config_from_file_with_options(config_to_bundle_list,
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filename, list,
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CONFIG_SCOPE_UNKNOWN,
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&opts);
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if (!result && list->mode == BUNDLE_MODE_NONE) {
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warning(_("bundle list at '%s' has no mode"), uri);
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result = 1;
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}
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return result;
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}
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static char *find_temp_filename(void)
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{
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int fd;
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struct strbuf name = STRBUF_INIT;
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/*
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* Find a temporary filename that is available. This is briefly
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* racy, but unlikely to collide.
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*/
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fd = odb_mkstemp(&name, "bundles/tmp_uri_XXXXXX");
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if (fd < 0) {
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warning(_("failed to create temporary file"));
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return NULL;
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}
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close(fd);
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unlink(name.buf);
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return strbuf_detach(&name, NULL);
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}
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static int download_https_uri_to_file(const char *file, const char *uri)
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{
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int result = 0;
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struct child_process cp = CHILD_PROCESS_INIT;
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FILE *child_in = NULL, *child_out = NULL;
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struct strbuf line = STRBUF_INIT;
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int found_get = 0;
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strvec_pushl(&cp.args, "git-remote-https", uri, NULL);
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cp.err = -1;
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cp.in = -1;
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cp.out = -1;
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if (start_command(&cp))
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return 1;
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child_in = fdopen(cp.in, "w");
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if (!child_in) {
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result = 1;
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goto cleanup;
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}
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child_out = fdopen(cp.out, "r");
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if (!child_out) {
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result = 1;
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goto cleanup;
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}
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fprintf(child_in, "capabilities\n");
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fflush(child_in);
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while (!strbuf_getline(&line, child_out)) {
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if (!line.len)
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break;
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if (!strcmp(line.buf, "get"))
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found_get = 1;
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}
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strbuf_release(&line);
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if (!found_get) {
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result = error(_("insufficient capabilities"));
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goto cleanup;
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}
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fprintf(child_in, "get %s %s\n\n", uri, file);
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cleanup:
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if (child_in)
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fclose(child_in);
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if (finish_command(&cp))
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return 1;
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if (child_out)
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fclose(child_out);
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return result;
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}
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static int copy_uri_to_file(const char *filename, const char *uri)
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{
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const char *out;
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if (starts_with(uri, "https:") ||
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starts_with(uri, "http:"))
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return download_https_uri_to_file(filename, uri);
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if (skip_prefix(uri, "file://", &out))
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uri = out;
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/* Copy as a file */
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return copy_file(filename, uri, 0);
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}
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static int unbundle_from_file(struct repository *r, const char *file)
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{
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int result = 0;
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int bundle_fd;
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struct bundle_header header = BUNDLE_HEADER_INIT;
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struct string_list_item *refname;
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struct strbuf bundle_ref = STRBUF_INIT;
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size_t bundle_prefix_len;
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if ((bundle_fd = read_bundle_header(file, &header)) < 0)
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return 1;
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/*
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* Skip the reachability walk here, since we will be adding
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* a reachable ref pointing to the new tips, which will reach
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* the prerequisite commits.
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*/
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if ((result = unbundle(r, &header, bundle_fd, NULL,
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VERIFY_BUNDLE_QUIET)))
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return 1;
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/*
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* Convert all refs/heads/ from the bundle into refs/bundles/
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* in the local repository.
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*/
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strbuf_addstr(&bundle_ref, "refs/bundles/");
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bundle_prefix_len = bundle_ref.len;
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for_each_string_list_item(refname, &header.references) {
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struct object_id *oid = refname->util;
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struct object_id old_oid;
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const char *branch_name;
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int has_old;
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if (!skip_prefix(refname->string, "refs/heads/", &branch_name))
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continue;
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strbuf_setlen(&bundle_ref, bundle_prefix_len);
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strbuf_addstr(&bundle_ref, branch_name);
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has_old = !read_ref(bundle_ref.buf, &old_oid);
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update_ref("fetched bundle", bundle_ref.buf, oid,
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has_old ? &old_oid : NULL,
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REF_SKIP_OID_VERIFICATION,
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UPDATE_REFS_MSG_ON_ERR);
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}
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bundle_header_release(&header);
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return result;
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}
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struct bundle_list_context {
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struct repository *r;
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struct bundle_list *list;
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enum bundle_list_mode mode;
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int count;
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int depth;
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};
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/*
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* This early definition is necessary because we use indirect recursion:
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*
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* While iterating through a bundle list that was downloaded as part
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* of fetch_bundle_uri_internal(), iterator methods eventually call it
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* again, but with depth + 1.
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*/
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static int fetch_bundle_uri_internal(struct repository *r,
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struct remote_bundle_info *bundle,
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int depth,
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struct bundle_list *list);
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static int download_bundle_to_file(struct remote_bundle_info *bundle, void *data)
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{
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int res;
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struct bundle_list_context *ctx = data;
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if (ctx->mode == BUNDLE_MODE_ANY && ctx->count)
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return 0;
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res = fetch_bundle_uri_internal(ctx->r, bundle, ctx->depth + 1, ctx->list);
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/*
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* Only increment count if the download succeeded. If our mode is
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* BUNDLE_MODE_ANY, then we will want to try other URIs in the
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* list in case they work instead.
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*/
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if (!res)
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ctx->count++;
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/*
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* To be opportunistic as possible, we continue iterating and
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* download as many bundles as we can, so we can apply the ones
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* that work, even in BUNDLE_MODE_ALL mode.
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*/
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return 0;
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}
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|
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struct bundles_for_sorting {
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struct remote_bundle_info **items;
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size_t alloc;
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size_t nr;
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};
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|
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static int append_bundle(struct remote_bundle_info *bundle, void *data)
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{
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struct bundles_for_sorting *list = data;
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list->items[list->nr++] = bundle;
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return 0;
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}
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|
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/**
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* For use in QSORT() to get a list sorted by creationToken
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* in decreasing order.
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*/
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static int compare_creation_token_decreasing(const void *va, const void *vb)
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{
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const struct remote_bundle_info * const *a = va;
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const struct remote_bundle_info * const *b = vb;
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|
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if ((*a)->creationToken > (*b)->creationToken)
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return -1;
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if ((*a)->creationToken < (*b)->creationToken)
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return 1;
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return 0;
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}
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|
|
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static int fetch_bundles_by_token(struct repository *r,
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struct bundle_list *list)
|
|
{
|
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int cur;
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int move_direction = 0;
|
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const char *creationTokenStr;
|
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uint64_t maxCreationToken = 0, newMaxCreationToken = 0;
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struct bundle_list_context ctx = {
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.r = r,
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.list = list,
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.mode = list->mode,
|
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};
|
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struct bundles_for_sorting bundles = {
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.alloc = hashmap_get_size(&list->bundles),
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|
};
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|
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ALLOC_ARRAY(bundles.items, bundles.alloc);
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|
|
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for_all_bundles_in_list(list, append_bundle, &bundles);
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|
|
|
if (!bundles.nr) {
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|
free(bundles.items);
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return 0;
|
|
}
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|
|
QSORT(bundles.items, bundles.nr, compare_creation_token_decreasing);
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|
|
|
/*
|
|
* If fetch.bundleCreationToken exists, parses to a uint64t, and
|
|
* is not strictly smaller than the maximum creation token in the
|
|
* bundle list, then do not download any bundles.
|
|
*/
|
|
if (!repo_config_get_value(r,
|
|
"fetch.bundlecreationtoken",
|
|
&creationTokenStr) &&
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|
sscanf(creationTokenStr, "%"PRIu64, &maxCreationToken) == 1 &&
|
|
bundles.items[0]->creationToken <= maxCreationToken) {
|
|
free(bundles.items);
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|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Attempt to download and unbundle the minimum number of bundles by
|
|
* creationToken in decreasing order. If we fail to unbundle (after
|
|
* a successful download) then move to the next non-downloaded bundle
|
|
* and attempt downloading. Once we succeed in applying a bundle,
|
|
* move to the previous unapplied bundle and attempt to unbundle it
|
|
* again.
|
|
*
|
|
* In the case of a fresh clone, we will likely download all of the
|
|
* bundles before successfully unbundling the oldest one, then the
|
|
* rest of the bundles unbundle successfully in increasing order
|
|
* of creationToken.
|
|
*
|
|
* If there are existing objects, then this process may terminate
|
|
* early when all required commits from "new" bundles exist in the
|
|
* repo's object store.
|
|
*/
|
|
cur = 0;
|
|
while (cur >= 0 && cur < bundles.nr) {
|
|
struct remote_bundle_info *bundle = bundles.items[cur];
|
|
|
|
/*
|
|
* If we need to dig into bundles below the previous
|
|
* creation token value, then likely we are in an erroneous
|
|
* state due to missing or invalid bundles. Halt the process
|
|
* instead of continuing to download extra data.
|
|
*/
|
|
if (bundle->creationToken <= maxCreationToken)
|
|
break;
|
|
|
|
if (!bundle->file) {
|
|
/*
|
|
* Not downloaded yet. Try downloading.
|
|
*
|
|
* Note that bundle->file is non-NULL if a download
|
|
* was attempted, even if it failed to download.
|
|
*/
|
|
if (fetch_bundle_uri_internal(ctx.r, bundle, ctx.depth + 1, ctx.list)) {
|
|
/* Mark as unbundled so we do not retry. */
|
|
bundle->unbundled = 1;
|
|
|
|
/* Try looking deeper in the list. */
|
|
move_direction = 1;
|
|
goto move;
|
|
}
|
|
|
|
/* We expect bundles when using creationTokens. */
|
|
if (!is_bundle(bundle->file, 1)) {
|
|
warning(_("file downloaded from '%s' is not a bundle"),
|
|
bundle->uri);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (bundle->file && !bundle->unbundled) {
|
|
/*
|
|
* This was downloaded, but not successfully
|
|
* unbundled. Try unbundling again.
|
|
*/
|
|
if (unbundle_from_file(ctx.r, bundle->file)) {
|
|
/* Try looking deeper in the list. */
|
|
move_direction = 1;
|
|
} else {
|
|
/*
|
|
* Succeeded in unbundle. Retry bundles
|
|
* that previously failed to unbundle.
|
|
*/
|
|
move_direction = -1;
|
|
bundle->unbundled = 1;
|
|
|
|
if (bundle->creationToken > newMaxCreationToken)
|
|
newMaxCreationToken = bundle->creationToken;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Else case: downloaded and unbundled successfully.
|
|
* Skip this by moving in the same direction as the
|
|
* previous step.
|
|
*/
|
|
|
|
move:
|
|
/* Move in the specified direction and repeat. */
|
|
cur += move_direction;
|
|
}
|
|
|
|
/*
|
|
* We succeed if the loop terminates because 'cur' drops below
|
|
* zero. The other case is that we terminate because 'cur'
|
|
* reaches the end of the list, so we have a failure no matter
|
|
* which bundles we apply from the list.
|
|
*/
|
|
if (cur < 0) {
|
|
struct strbuf value = STRBUF_INIT;
|
|
strbuf_addf(&value, "%"PRIu64"", newMaxCreationToken);
|
|
if (repo_config_set_multivar_gently(ctx.r,
|
|
"fetch.bundleCreationToken",
|
|
value.buf, NULL, 0))
|
|
warning(_("failed to store maximum creation token"));
|
|
|
|
strbuf_release(&value);
|
|
}
|
|
|
|
free(bundles.items);
|
|
return cur >= 0;
|
|
}
|
|
|
|
static int download_bundle_list(struct repository *r,
|
|
struct bundle_list *local_list,
|
|
struct bundle_list *global_list,
|
|
int depth)
|
|
{
|
|
struct bundle_list_context ctx = {
|
|
.r = r,
|
|
.list = global_list,
|
|
.depth = depth + 1,
|
|
.mode = local_list->mode,
|
|
};
|
|
|
|
return for_all_bundles_in_list(local_list, download_bundle_to_file, &ctx);
|
|
}
|
|
|
|
static int fetch_bundle_list_in_config_format(struct repository *r,
|
|
struct bundle_list *global_list,
|
|
struct remote_bundle_info *bundle,
|
|
int depth)
|
|
{
|
|
int result;
|
|
struct bundle_list list_from_bundle;
|
|
|
|
init_bundle_list(&list_from_bundle);
|
|
|
|
if ((result = bundle_uri_parse_config_format(bundle->uri,
|
|
bundle->file,
|
|
&list_from_bundle)))
|
|
goto cleanup;
|
|
|
|
if (list_from_bundle.mode == BUNDLE_MODE_NONE) {
|
|
warning(_("unrecognized bundle mode from URI '%s'"),
|
|
bundle->uri);
|
|
result = -1;
|
|
goto cleanup;
|
|
}
|
|
|
|
/*
|
|
* If this list uses the creationToken heuristic, then the URIs
|
|
* it advertises are expected to be bundles, not nested lists.
|
|
* We can drop 'global_list' and 'depth'.
|
|
*/
|
|
if (list_from_bundle.heuristic == BUNDLE_HEURISTIC_CREATIONTOKEN) {
|
|
result = fetch_bundles_by_token(r, &list_from_bundle);
|
|
global_list->heuristic = BUNDLE_HEURISTIC_CREATIONTOKEN;
|
|
} else if ((result = download_bundle_list(r, &list_from_bundle,
|
|
global_list, depth)))
|
|
goto cleanup;
|
|
|
|
cleanup:
|
|
clear_bundle_list(&list_from_bundle);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* This limits the recursion on fetch_bundle_uri_internal() when following
|
|
* bundle lists.
|
|
*/
|
|
static int max_bundle_uri_depth = 4;
|
|
|
|
/**
|
|
* Recursively download all bundles advertised at the given URI
|
|
* to files. If the file is a bundle, then add it to the given
|
|
* 'list'. Otherwise, expect a bundle list and recurse on the
|
|
* URIs in that list according to the list mode (ANY or ALL).
|
|
*/
|
|
static int fetch_bundle_uri_internal(struct repository *r,
|
|
struct remote_bundle_info *bundle,
|
|
int depth,
|
|
struct bundle_list *list)
|
|
{
|
|
int result = 0;
|
|
struct remote_bundle_info *bcopy;
|
|
|
|
if (depth >= max_bundle_uri_depth) {
|
|
warning(_("exceeded bundle URI recursion limit (%d)"),
|
|
max_bundle_uri_depth);
|
|
return -1;
|
|
}
|
|
|
|
if (!bundle->file &&
|
|
!(bundle->file = find_temp_filename())) {
|
|
result = -1;
|
|
goto cleanup;
|
|
}
|
|
|
|
if ((result = copy_uri_to_file(bundle->file, bundle->uri))) {
|
|
warning(_("failed to download bundle from URI '%s'"), bundle->uri);
|
|
goto cleanup;
|
|
}
|
|
|
|
if ((result = !is_bundle(bundle->file, 1))) {
|
|
result = fetch_bundle_list_in_config_format(
|
|
r, list, bundle, depth);
|
|
if (result)
|
|
warning(_("file at URI '%s' is not a bundle or bundle list"),
|
|
bundle->uri);
|
|
goto cleanup;
|
|
}
|
|
|
|
/* Copy the bundle and insert it into the global list. */
|
|
CALLOC_ARRAY(bcopy, 1);
|
|
bcopy->id = xstrdup(bundle->id);
|
|
bcopy->file = xstrdup(bundle->file);
|
|
hashmap_entry_init(&bcopy->ent, strhash(bcopy->id));
|
|
hashmap_add(&list->bundles, &bcopy->ent);
|
|
|
|
cleanup:
|
|
if (result && bundle->file)
|
|
unlink(bundle->file);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* This loop iterator breaks the loop with nonzero return code on the
|
|
* first successful unbundling of a bundle.
|
|
*/
|
|
static int attempt_unbundle(struct remote_bundle_info *info, void *data)
|
|
{
|
|
struct repository *r = data;
|
|
|
|
if (!info->file || info->unbundled)
|
|
return 0;
|
|
|
|
if (!unbundle_from_file(r, info->file)) {
|
|
info->unbundled = 1;
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int unbundle_all_bundles(struct repository *r,
|
|
struct bundle_list *list)
|
|
{
|
|
/*
|
|
* Iterate through all bundles looking for ones that can
|
|
* successfully unbundle. If any succeed, then perhaps another
|
|
* will succeed in the next attempt.
|
|
*
|
|
* Keep in mind that a non-zero result for the loop here means
|
|
* the loop terminated early on a successful unbundling, which
|
|
* signals that we can try again.
|
|
*/
|
|
while (for_all_bundles_in_list(list, attempt_unbundle, r)) ;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int unlink_bundle(struct remote_bundle_info *info, void *data UNUSED)
|
|
{
|
|
if (info->file)
|
|
unlink_or_warn(info->file);
|
|
return 0;
|
|
}
|
|
|
|
int fetch_bundle_uri(struct repository *r, const char *uri,
|
|
int *has_heuristic)
|
|
{
|
|
int result;
|
|
struct bundle_list list;
|
|
struct remote_bundle_info bundle = {
|
|
.uri = xstrdup(uri),
|
|
.id = xstrdup(""),
|
|
};
|
|
|
|
init_bundle_list(&list);
|
|
|
|
/*
|
|
* Do not fetch an empty bundle URI. An empty bundle URI
|
|
* could signal that a configured bundle URI has been disabled.
|
|
*/
|
|
if (!*uri) {
|
|
result = 0;
|
|
goto cleanup;
|
|
}
|
|
|
|
/* If a bundle is added to this global list, then it is required. */
|
|
list.mode = BUNDLE_MODE_ALL;
|
|
|
|
if ((result = fetch_bundle_uri_internal(r, &bundle, 0, &list)))
|
|
goto cleanup;
|
|
|
|
result = unbundle_all_bundles(r, &list);
|
|
|
|
cleanup:
|
|
if (has_heuristic)
|
|
*has_heuristic = (list.heuristic != BUNDLE_HEURISTIC_NONE);
|
|
for_all_bundles_in_list(&list, unlink_bundle, NULL);
|
|
clear_bundle_list(&list);
|
|
clear_remote_bundle_info(&bundle, NULL);
|
|
return result;
|
|
}
|
|
|
|
int fetch_bundle_list(struct repository *r, struct bundle_list *list)
|
|
{
|
|
int result;
|
|
struct bundle_list global_list;
|
|
|
|
/*
|
|
* If the creationToken heuristic is used, then the URIs
|
|
* advertised by 'list' are not nested lists and instead
|
|
* direct bundles. We do not need to use global_list.
|
|
*/
|
|
if (list->heuristic == BUNDLE_HEURISTIC_CREATIONTOKEN)
|
|
return fetch_bundles_by_token(r, list);
|
|
|
|
init_bundle_list(&global_list);
|
|
|
|
/* If a bundle is added to this global list, then it is required. */
|
|
global_list.mode = BUNDLE_MODE_ALL;
|
|
|
|
if ((result = download_bundle_list(r, list, &global_list, 0)))
|
|
goto cleanup;
|
|
|
|
if (list->heuristic == BUNDLE_HEURISTIC_CREATIONTOKEN)
|
|
result = fetch_bundles_by_token(r, list);
|
|
else
|
|
result = unbundle_all_bundles(r, &global_list);
|
|
|
|
cleanup:
|
|
for_all_bundles_in_list(&global_list, unlink_bundle, NULL);
|
|
clear_bundle_list(&global_list);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* API for serve.c.
|
|
*/
|
|
|
|
int bundle_uri_advertise(struct repository *r, struct strbuf *value UNUSED)
|
|
{
|
|
static int advertise_bundle_uri = -1;
|
|
|
|
if (advertise_bundle_uri != -1)
|
|
goto cached;
|
|
|
|
advertise_bundle_uri = 0;
|
|
repo_config_get_maybe_bool(r, "uploadpack.advertisebundleuris", &advertise_bundle_uri);
|
|
|
|
cached:
|
|
return advertise_bundle_uri;
|
|
}
|
|
|
|
static int config_to_packet_line(const char *key, const char *value,
|
|
const struct config_context *ctx UNUSED,
|
|
void *data)
|
|
{
|
|
struct packet_reader *writer = data;
|
|
|
|
if (starts_with(key, "bundle."))
|
|
packet_write_fmt(writer->fd, "%s=%s", key, value);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int bundle_uri_command(struct repository *r,
|
|
struct packet_reader *request)
|
|
{
|
|
struct packet_writer writer;
|
|
packet_writer_init(&writer, 1);
|
|
|
|
while (packet_reader_read(request) == PACKET_READ_NORMAL)
|
|
die(_("bundle-uri: unexpected argument: '%s'"), request->line);
|
|
if (request->status != PACKET_READ_FLUSH)
|
|
die(_("bundle-uri: expected flush after arguments"));
|
|
|
|
/*
|
|
* Read all "bundle.*" config lines to the client as key=value
|
|
* packet lines.
|
|
*/
|
|
repo_config(r, config_to_packet_line, &writer);
|
|
|
|
packet_writer_flush(&writer);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* General API for {transport,connect}.c etc.
|
|
*/
|
|
int bundle_uri_parse_line(struct bundle_list *list, const char *line)
|
|
{
|
|
int result;
|
|
const char *equals;
|
|
struct strbuf key = STRBUF_INIT;
|
|
|
|
if (!strlen(line))
|
|
return error(_("bundle-uri: got an empty line"));
|
|
|
|
equals = strchr(line, '=');
|
|
|
|
if (!equals)
|
|
return error(_("bundle-uri: line is not of the form 'key=value'"));
|
|
if (line == equals || !*(equals + 1))
|
|
return error(_("bundle-uri: line has empty key or value"));
|
|
|
|
strbuf_add(&key, line, equals - line);
|
|
result = bundle_list_update(key.buf, equals + 1, list);
|
|
strbuf_release(&key);
|
|
|
|
return result;
|
|
}
|