git/http-fetch.c

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#include "cache.h"
#include "config.h"
#include "exec-cmd.h"
#include "http.h"
#include "walker.h"
#include "strvec.h"
#include "urlmatch.h"
static const char http_fetch_usage[] = "git http-fetch "
"[-c] [-t] [-a] [-v] [--recover] [-w ref] [--stdin | --packfile=hash | commit-id] url";
static int fetch_using_walker(const char *raw_url, int get_verbosely,
int get_recover, int commits, char **commit_id,
const char **write_ref, int commits_on_stdin)
{
char *url = NULL;
struct walker *walker;
int rc;
str_end_url_with_slash(raw_url, &url);
http_init(NULL, url, 0);
walker = get_http_walker(url);
walker->get_verbosely = get_verbosely;
walker->get_recover = get_recover;
walker->get_progress = 0;
rc = walker_fetch(walker, commits, commit_id, write_ref, url);
if (commits_on_stdin)
walker_targets_free(commits, commit_id, write_ref);
if (walker->corrupt_object_found) {
fprintf(stderr,
"Some loose object were found to be corrupt, but they might be just\n"
"a false '404 Not Found' error message sent with incorrect HTTP\n"
"status code. Suggest running 'git fsck'.\n");
}
walker_free(walker);
http_cleanup();
free(url);
return rc;
}
static void fetch_single_packfile(struct object_id *packfile_hash,
const char *url,
const char **index_pack_args) {
struct http_pack_request *preq;
struct slot_results results;
int ret;
http_init(NULL, url, 0);
preq = new_direct_http_pack_request(packfile_hash->hash, xstrdup(url));
if (!preq)
die("couldn't create http pack request");
preq->slot->results = &results;
preq->index_pack_args = index_pack_args;
preq->preserve_index_pack_stdout = 1;
if (start_active_slot(preq->slot)) {
run_active_slot(preq->slot);
if (results.curl_result != CURLE_OK) {
struct url_info url;
char *nurl = url_normalize(preq->url, &url);
if (!nurl || !git_env_bool("GIT_TRACE_REDACT", 1)) {
die("unable to get pack file '%s'\n%s", preq->url,
curl_errorstr);
} else {
die("failed to get '%.*s' url from '%.*s' "
"(full URL redacted due to GIT_TRACE_REDACT setting)\n%s",
(int)url.scheme_len, url.url,
(int)url.host_len, &url.url[url.host_off], curl_errorstr);
}
}
} else {
die("Unable to start request");
}
if ((ret = finish_http_pack_request(preq)))
die("finish_http_pack_request gave result %d", ret);
release_http_pack_request(preq);
http_cleanup();
}
int cmd_main(int argc, const char **argv)
{
int commits_on_stdin = 0;
int commits;
const char **write_ref = NULL;
char **commit_id;
int arg = 1;
int get_verbosely = 0;
int get_recover = 0;
int packfile = 0;
int nongit;
struct object_id packfile_hash;
struct strvec index_pack_args = STRVEC_INIT;
setup_git_directory_gently(&nongit);
while (arg < argc && argv[arg][0] == '-') {
const char *p;
if (argv[arg][1] == 't') {
} else if (argv[arg][1] == 'c') {
} else if (argv[arg][1] == 'a') {
} else if (argv[arg][1] == 'v') {
get_verbosely = 1;
} else if (argv[arg][1] == 'w') {
write_ref = &argv[arg + 1];
arg++;
} else if (argv[arg][1] == 'h') {
usage(http_fetch_usage);
} else if (!strcmp(argv[arg], "--recover")) {
get_recover = 1;
} else if (!strcmp(argv[arg], "--stdin")) {
commits_on_stdin = 1;
} else if (skip_prefix(argv[arg], "--packfile=", &p)) {
const char *end;
packfile = 1;
if (parse_oid_hex(p, &packfile_hash, &end) || *end)
die(_("argument to --packfile must be a valid hash (got '%s')"), p);
} else if (skip_prefix(argv[arg], "--index-pack-arg=", &p)) {
strvec_push(&index_pack_args, p);
}
arg++;
}
if (argc != arg + 2 - (commits_on_stdin || packfile))
usage(http_fetch_usage);
if (nongit)
die(_("not a git repository"));
git_config(git_default_config, NULL);
if (packfile) {
if (!index_pack_args.nr)
die(_("the option '%s' requires '%s'"), "--packfile", "--index-pack-args");
fetch_single_packfile(&packfile_hash, argv[arg],
index_pack_args.v);
return 0;
}
if (index_pack_args.nr)
die(_("the option '%s' requires '%s'"), "--index-pack-args", "--packfile");
if (commits_on_stdin) {
commits = walker_targets_stdin(&commit_id, &write_ref);
} else {
commit_id = (char **) &argv[arg++];
commits = 1;
}
return fetch_using_walker(argv[arg], get_verbosely, get_recover,
commits, commit_id, write_ref,
commits_on_stdin);
}