8d5d2a34df
Teach http-fetch the ability to download packfiles directly, given a URL, and to verify them. The http_pack_request suite has been augmented with a function that takes a URL directly. With this function, the hash is only used to determine the name of the temporary file. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
137 lines
3.3 KiB
C
137 lines
3.3 KiB
C
#include "cache.h"
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#include "config.h"
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#include "exec-cmd.h"
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#include "http.h"
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#include "walker.h"
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static const char http_fetch_usage[] = "git http-fetch "
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"[-c] [-t] [-a] [-v] [--recover] [-w ref] [--stdin | --packfile=hash | commit-id] url";
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static int fetch_using_walker(const char *raw_url, int get_verbosely,
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int get_recover, int commits, char **commit_id,
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const char **write_ref, int commits_on_stdin)
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{
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char *url = NULL;
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struct walker *walker;
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int rc;
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str_end_url_with_slash(raw_url, &url);
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http_init(NULL, url, 0);
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walker = get_http_walker(url);
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walker->get_verbosely = get_verbosely;
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walker->get_recover = get_recover;
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walker->get_progress = 0;
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rc = walker_fetch(walker, commits, commit_id, write_ref, url);
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if (commits_on_stdin)
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walker_targets_free(commits, commit_id, write_ref);
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if (walker->corrupt_object_found) {
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fprintf(stderr,
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"Some loose object were found to be corrupt, but they might be just\n"
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"a false '404 Not Found' error message sent with incorrect HTTP\n"
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"status code. Suggest running 'git fsck'.\n");
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}
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walker_free(walker);
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http_cleanup();
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free(url);
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return rc;
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}
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static void fetch_single_packfile(struct object_id *packfile_hash,
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const char *url) {
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struct http_pack_request *preq;
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struct slot_results results;
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int ret;
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http_init(NULL, url, 0);
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preq = new_direct_http_pack_request(packfile_hash->hash, xstrdup(url));
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if (preq == NULL)
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die("couldn't create http pack request");
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preq->slot->results = &results;
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preq->generate_keep = 1;
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if (start_active_slot(preq->slot)) {
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run_active_slot(preq->slot);
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if (results.curl_result != CURLE_OK) {
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die("Unable to get pack file %s\n%s", preq->url,
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curl_errorstr);
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}
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} else {
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die("Unable to start request");
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}
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if ((ret = finish_http_pack_request(preq)))
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die("finish_http_pack_request gave result %d", ret);
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release_http_pack_request(preq);
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http_cleanup();
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}
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int cmd_main(int argc, const char **argv)
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{
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int commits_on_stdin = 0;
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int commits;
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const char **write_ref = NULL;
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char **commit_id;
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int arg = 1;
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int get_verbosely = 0;
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int get_recover = 0;
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int packfile = 0;
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struct object_id packfile_hash;
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while (arg < argc && argv[arg][0] == '-') {
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const char *p;
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if (argv[arg][1] == 't') {
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} else if (argv[arg][1] == 'c') {
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} else if (argv[arg][1] == 'a') {
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} else if (argv[arg][1] == 'v') {
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get_verbosely = 1;
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} else if (argv[arg][1] == 'w') {
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write_ref = &argv[arg + 1];
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arg++;
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} else if (argv[arg][1] == 'h') {
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usage(http_fetch_usage);
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} else if (!strcmp(argv[arg], "--recover")) {
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get_recover = 1;
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} else if (!strcmp(argv[arg], "--stdin")) {
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commits_on_stdin = 1;
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} else if (skip_prefix(argv[arg], "--packfile=", &p)) {
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const char *end;
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packfile = 1;
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if (parse_oid_hex(p, &packfile_hash, &end) || *end)
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die(_("argument to --packfile must be a valid hash (got '%s')"), p);
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}
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arg++;
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}
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if (argc != arg + 2 - (commits_on_stdin || packfile))
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usage(http_fetch_usage);
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setup_git_directory();
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git_config(git_default_config, NULL);
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if (packfile) {
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fetch_single_packfile(&packfile_hash, argv[arg]);
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return 0;
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}
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if (commits_on_stdin) {
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commits = walker_targets_stdin(&commit_id, &write_ref);
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} else {
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commit_id = (char **) &argv[arg++];
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commits = 1;
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}
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return fetch_using_walker(argv[arg], get_verbosely, get_recover,
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commits, commit_id, write_ref,
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commits_on_stdin);
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}
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