summaryrefslogtreecommitdiffstats
path: root/http-fetch.c
blob: 31bc5c7767ce865bb3fb1a89f311f7d2b03c7e6d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
#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);
}