summaryrefslogtreecommitdiffstatshomepage
path: root/ui-refs.c
blob: ce06b089808b524f30ff4027f32be0182fc215c5 (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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
/* ui-refs.c: browse symbolic refs
 *
 * Copyright (C) 2006 Lars Hjemli
 *
 * Licensed under GNU General Public License v2
 *   (see COPYING for full license text)
 */

#include "cgit.h"
#include "html.h"
#include "ui-shared.h"

static int header;

static int cmp_age(int age1, int age2)
{
	if (age1 != 0 && age2 != 0)
		return age2 - age1;

	if (age1 == 0 && age2 == 0)
		return 0;

	if (age1 == 0)
		return +1;

	return -1;
}

static int cmp_ref_name(const void *a, const void *b)
{
	struct refinfo *r1 = *(struct refinfo **)a;
	struct refinfo *r2 = *(struct refinfo **)b;

	return strcmp(r1->refname, r2->refname);
}

static int cmp_branch_age(const void *a, const void *b)
{
	struct refinfo *r1 = *(struct refinfo **)a;
	struct refinfo *r2 = *(struct refinfo **)b;

	return cmp_age(r1->commit->committer_date, r2->commit->committer_date);
}

static int get_ref_age(struct refinfo *ref)
{
	if (!ref->object)
		return 0;
	switch (ref->object->type) {
	case OBJ_TAG:
		return ref->tag ? ref->tag->tagger_date : 0;
	case OBJ_COMMIT:
		return ref->commit ? ref->commit->committer_date : 0;
	}
	return 0;
}

static int cmp_tag_age(const void *a, const void *b)
{
	struct refinfo *r1 = *(struct refinfo **)a;
	struct refinfo *r2 = *(struct refinfo **)b;

	return cmp_age(get_ref_age(r1), get_ref_age(r2));
}

static int print_branch(struct refinfo *ref)
{
	struct commitinfo *info = ref->commit;
	char *name = (char *)ref->refname;

	if (!info)
		return 1;
	html("<tr><td>");
	cgit_log_link(name, NULL, NULL, name, NULL, NULL, 0, NULL, NULL,
		      ctx.qry.showmsg);
	html("</td><td>");

	if (ref->object->type == OBJ_COMMIT) {
		cgit_commit_link(info->subject, NULL, NULL, name, NULL, NULL, 0);
		html("</td><td>");
		html_txt(info->author);
		html("</td><td colspan='2'>");
		cgit_print_age(info->commit->date, -1, NULL);
	} else {
		html("</td><td></td><td>");
		cgit_object_link(ref->object);
	}
	html("</td></tr>\n");
	return 0;
}

static void print_tag_header()
{
	html("<tr class='nohover'><th class='left'>Tag</th>"
	     "<th class='left'>Download</th>"
	     "<th class='left'>Author</th>"
	     "<th class='left' colspan='2'>Age</th></tr>\n");
	header = 1;
}

static void print_tag_downloads(const struct cgit_repo *repo, const char *ref)
{
	const struct cgit_snapshot_format* f;
    	char *filename;
	const char *basename;

	if (!ref || strlen(ref) < 2)
		return;

	basename = cgit_repobasename(repo->url);
	if (prefixcmp(ref, basename) != 0) {
		if ((ref[0] == 'v' || ref[0] == 'V') && isdigit(ref[1]))
			ref++;
		if (isdigit(ref[0]))
			ref = xstrdup(fmt("%s-%s", basename, ref));
	}

	for (f = cgit_snapshot_formats; f->suffix; f++) {
		if (!(repo->snapshots & f->bit))
			continue;
		filename = fmt("%s%s", ref, f->suffix);
		cgit_snapshot_link(filename, NULL, NULL, NULL, NULL, filename);
		html("&nbsp;&nbsp;");
	}
}
static int print_tag(struct refinfo *ref)
{
	struct tag *tag;
	struct taginfo *info;
	char *name = (char *)ref->refname;

	if (ref->object->type == OBJ_TAG) {
		tag = (struct tag *)ref->object;
		info = ref->tag;
		if (!tag || !info)
			return 1;
		html("<tr><td>");
		cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
		html("</td><td>");
		if (ctx.repo->snapshots && (tag->tagged->type == OBJ_COMMIT))
			print_tag_downloads(ctx.repo, name);
		else
			cgit_object_link(tag->tagged);
		html("</td><td>");
		if (info->tagger)
			html(info->tagger);
		html("</td><td colspan='2'>");
		if (info->tagger_date > 0)
			cgit_print_age(info->tagger_date, -1, NULL);
		html("</td></tr>\n");
	} else {
		if (!header)
			print_tag_header();
		html("<tr><td>");
		cgit_tag_link(name, NULL, NULL, ctx.qry.head, name);
		html("</td><td>");
		if (ctx.repo->snapshots && (ref->object->type == OBJ_COMMIT))
			print_tag_downloads(ctx.repo, name);
		else
			cgit_object_link(ref->object);
		html("</td><td>");
		if (ref->object->type == OBJ_COMMIT)
			html(ref->commit->author);
		html("</td><td colspan='2'>");
		if (ref->object->type == OBJ_COMMIT)
			cgit_print_age(ref->commit->commit->date, -1, NULL);
		html("</td></tr>\n");
	}
	return 0;
}

static void print_refs_link(char *path)
{
	html("<tr class='nohover'><td colspan='4'>");
	cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
	html("</td></tr>");
}

void cgit_print_branches(int maxcount)
{
	struct reflist list;
	int i;

	html("<tr class='nohover'><th class='left'>Branch</th>"
	     "<th class='left'>Commit message</th>"
	     "<th class='left'>Author</th>"
	     "<th class='left' colspan='2'>Age</th></tr>\n");

	list.refs = NULL;
	list.alloc = list.count = 0;
	for_each_branch_ref(cgit_refs_cb, &list);
	if (ctx.repo->enable_remote_branches)
		for_each_remote_ref(cgit_refs_cb, &list);

	if (maxcount == 0 || maxcount > list.count)
		maxcount = list.count;

	if (maxcount < list.count) {
		qsort(list.refs, list.count, sizeof(*list.refs), cmp_branch_age);
		qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
	}

	for (i = 0; i < maxcount; i++)
		print_branch(list.refs[i]);

	if (maxcount < list.count)
		print_refs_link("heads");
}

void cgit_print_tags(int maxcount)
{
	struct reflist list;
	int i;

	header = 0;
	list.refs = NULL;
	list.alloc = list.count = 0;
	for_each_tag_ref(cgit_refs_cb, &list);
	if (list.count == 0)
		return;
	qsort(list.refs, list.count, sizeof(*list.refs), cmp_tag_age);
	if (!maxcount)
		maxcount = list.count;
	else if (maxcount > list.count)
		maxcount = list.count;
	print_tag_header();
	for (i = 0; i < maxcount; i++)
		print_tag(list.refs[i]);

	if (maxcount < list.count)
		print_refs_link("tags");
}

void cgit_print_refs()
{

	html("<table class='list nowrap'>");

	if (ctx.qry.path && !strncmp(ctx.qry.path, "heads", 5))
		cgit_print_branches(0);
	else if (ctx.qry.path && !strncmp(ctx.qry.path, "tags", 4))
		cgit_print_tags(0);
	else {
		cgit_print_branches(0);
		html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
		cgit_print_tags(0);
	}
	html("</table>");
}
class="n">ctx.cfg.index_header = xstrdup(value); else if (!strcmp(name, "index-info")) ctx.cfg.index_info = xstrdup(value); else if (!strcmp(name, "logo-link")) ctx.cfg.logo_link = xstrdup(value); else if (!strcmp(name, "module-link")) ctx.cfg.module_link = xstrdup(value); else if (!strcmp(name, "virtual-root")) { ctx.cfg.virtual_root = trim_end(value, '/'); if (!ctx.cfg.virtual_root && (!strcmp(value, "/"))) ctx.cfg.virtual_root = ""; } else if (!strcmp(name, "nocache")) ctx.cfg.nocache = atoi(value); else if (!strcmp(name, "noplainemail")) ctx.cfg.noplainemail = atoi(value); else if (!strcmp(name, "noheader")) ctx.cfg.noheader = atoi(value); else if (!strcmp(name, "snapshots")) ctx.cfg.snapshots = cgit_parse_snapshots_mask(value); else if (!strcmp(name, "enable-filter-overrides")) ctx.cfg.enable_filter_overrides = atoi(value); else if (!strcmp(name, "enable-gitweb-owner")) ctx.cfg.enable_gitweb_owner = atoi(value); else if (!strcmp(name, "enable-index-links")) ctx.cfg.enable_index_links = atoi(value); else if (!strcmp(name, "enable-log-filecount")) ctx.cfg.enable_log_filecount = atoi(value); else if (!strcmp(name, "enable-log-linecount")) ctx.cfg.enable_log_linecount = atoi(value); else if (!strcmp(name, "enable-remote-branches")) ctx.cfg.enable_remote_branches = atoi(value); else if (!strcmp(name, "enable-subject-links")) ctx.cfg.enable_subject_links = atoi(value); else if (!strcmp(name, "enable-tree-linenumbers")) ctx.cfg.enable_tree_linenumbers = atoi(value); else if (!strcmp(name, "max-stats")) ctx.cfg.max_stats = cgit_find_stats_period(value, NULL); else if (!strcmp(name, "cache-size")) ctx.cfg.cache_size = atoi(value); else if (!strcmp(name, "cache-root")) ctx.cfg.cache_root = xstrdup(expand_macros(value)); else if (!strcmp(name, "cache-root-ttl")) ctx.cfg.cache_root_ttl = atoi(value); else if (!strcmp(name, "cache-repo-ttl")) ctx.cfg.cache_repo_ttl = atoi(value); else if (!strcmp(name, "cache-scanrc-ttl")) ctx.cfg.cache_scanrc_ttl = atoi(value); else if (!strcmp(name, "cache-static-ttl")) ctx.cfg.cache_static_ttl = atoi(value); else if (!strcmp(name, "cache-dynamic-ttl")) ctx.cfg.cache_dynamic_ttl = atoi(value); else if (!strcmp(name, "about-filter")) ctx.cfg.about_filter = new_filter(value, 0); else if (!strcmp(name, "commit-filter")) ctx.cfg.commit_filter = new_filter(value, 0); else if (!strcmp(name, "embedded")) ctx.cfg.embedded = atoi(value); else if (!strcmp(name, "max-atom-items")) ctx.cfg.max_atom_items = atoi(value); else if (!strcmp(name, "max-message-length")) ctx.cfg.max_msg_len = atoi(value); else if (!strcmp(name, "max-repodesc-length")) ctx.cfg.max_repodesc_len = atoi(value); else if (!strcmp(name, "max-blob-size")) ctx.cfg.max_blob_size = atoi(value); else if (!strcmp(name, "max-repo-count")) ctx.cfg.max_repo_count = atoi(value); else if (!strcmp(name, "max-commit-count")) ctx.cfg.max_commit_count = atoi(value); else if (!strcmp(name, "project-list")) ctx.cfg.project_list = xstrdup(expand_macros(value)); else if (!strcmp(name, "scan-path")) if (!ctx.cfg.nocache && ctx.cfg.cache_size) process_cached_repolist(expand_macros(value)); else if (ctx.cfg.project_list) scan_projects(expand_macros(value), ctx.cfg.project_list, repo_config); else scan_tree(expand_macros(value), repo_config); else if (!strcmp(name, "source-filter")) ctx.cfg.source_filter = new_filter(value, 1); else if (!strcmp(name, "summary-log")) ctx.cfg.summary_log = atoi(value); else if (!strcmp(name, "summary-branches")) ctx.cfg.summary_branches = atoi(value); else if (!strcmp(name, "summary-tags")) ctx.cfg.summary_tags = atoi(value); else if (!strcmp(name, "side-by-side-diffs")) ctx.cfg.ssdiff = atoi(value); else if (!strcmp(name, "agefile")) ctx.cfg.agefile = xstrdup(value); else if (!strcmp(name, "renamelimit")) ctx.cfg.renamelimit = atoi(value); else if (!strcmp(name, "remove-suffix")) ctx.cfg.remove_suffix = atoi(value); else if (!strcmp(name, "robots")) ctx.cfg.robots = xstrdup(value); else if (!strcmp(name, "clone-prefix")) ctx.cfg.clone_prefix = xstrdup(value); else if (!strcmp(name, "local-time")) ctx.cfg.local_time = atoi(value); else if (!prefixcmp(name, "mimetype.")) add_mimetype(name + 9, value); else if (!strcmp(name, "include")) parse_configfile(expand_macros(value), config_cb); } static void querystring_cb(const char *name, const char *value) { if (!value) value = ""; if (!strcmp(name,"r")) { ctx.qry.repo = xstrdup(value); ctx.repo = cgit_get_repoinfo(value); } else if (!strcmp(name, "p")) { ctx.qry.page = xstrdup(value); } else if (!strcmp(name, "url")) { if (*value == '/') value++; ctx.qry.url = xstrdup(value); cgit_parse_url(value); } else if (!strcmp(name, "qt")) { ctx.qry.grep = xstrdup(value); } else if (!strcmp(name, "q")) { ctx.qry.search = xstrdup(value); } else if (!strcmp(name, "h")) { ctx.qry.head = xstrdup(value); ctx.qry.has_symref = 1; } else if (!strcmp(name, "id")) { ctx.qry.sha1 = xstrdup(value); ctx.qry.has_sha1 = 1; } else if (!strcmp(name, "id2")) { ctx.qry.sha2 = xstrdup(value); ctx.qry.has_sha1 = 1; } else if (!strcmp(name, "ofs")) { ctx.qry.ofs = atoi(value); } else if (!strcmp(name, "path")) { ctx.qry.path = trim_end(value, '/'); } else if (!strcmp(name, "name")) { ctx.qry.name = xstrdup(value); } else if (!strcmp(name, "mimetype")) { ctx.qry.mimetype = xstrdup(value); } else if (!strcmp(name, "s")){ ctx.qry.sort = xstrdup(value); } else if (!strcmp(name, "showmsg")) { ctx.qry.showmsg = atoi(value); } else if (!strcmp(name, "period")) { ctx.qry.period = xstrdup(value); } else if (!strcmp(name, "ss")) { ctx.qry.ssdiff = atoi(value); } else if (!strcmp(name, "all")) { ctx.qry.show_all = atoi(value); } else if (!strcmp(name, "context")) { ctx.qry.context = atoi(value); } else if (!strcmp(name, "ignorews")) { ctx.qry.ignorews = atoi(value); } } char *xstrdupn(const char *str) { return (str ? xstrdup(str) : NULL); } static void prepare_context(struct cgit_context *ctx) { memset(ctx, 0, sizeof(*ctx)); ctx->cfg.agefile = "info/web/last-modified"; ctx->cfg.nocache = 0; ctx->cfg.cache_size = 0; ctx->cfg.cache_dynamic_ttl = 5; ctx->cfg.cache_max_create_time = 5; ctx->cfg.cache_repo_ttl = 5; ctx->cfg.cache_root = CGIT_CACHE_ROOT; ctx->cfg.cache_root_ttl = 5; ctx->cfg.cache_scanrc_ttl = 15; ctx->cfg.cache_static_ttl = -1; ctx->cfg.css = "/cgit.css"; ctx->cfg.logo = "/cgit.png"; ctx->cfg.local_time = 0; ctx->cfg.enable_gitweb_owner = 1; ctx->cfg.enable_tree_linenumbers = 1; ctx->cfg.max_repo_count = 50; ctx->cfg.max_commit_count = 50; ctx->cfg.max_lock_attempts = 5; ctx->cfg.max_msg_len = 80; ctx->cfg.max_repodesc_len = 80; ctx->cfg.max_blob_size = 0; ctx->cfg.max_stats = 0; ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s"; ctx->cfg.project_list = NULL; ctx->cfg.renamelimit = -1; ctx->cfg.remove_suffix = 0; ctx->cfg.robots = "index, nofollow"; ctx->cfg.root_title = "Git repository browser"; ctx->cfg.root_desc = "a fast webinterface for the git dscm"; ctx->cfg.script_name = CGIT_SCRIPT_NAME; ctx->cfg.section = ""; ctx->cfg.summary_branches = 10; ctx->cfg.summary_log = 10; ctx->cfg.summary_tags = 10; ctx->cfg.max_atom_items = 10; ctx->cfg.ssdiff = 0; ctx->env.cgit_config = xstrdupn(getenv("CGIT_CONFIG")); ctx->env.http_host = xstrdupn(getenv("HTTP_HOST")); ctx->env.https = xstrdupn(getenv("HTTPS")); ctx->env.no_http = xstrdupn(getenv("NO_HTTP")); ctx->env.path_info = xstrdupn(getenv("PATH_INFO")); ctx->env.query_string = xstrdupn(getenv("QUERY_STRING")); ctx->env.request_method = xstrdupn(getenv("REQUEST_METHOD")); ctx->env.script_name = xstrdupn(getenv("SCRIPT_NAME")); ctx->env.server_name = xstrdupn(getenv("SERVER_NAME")); ctx->env.server_port = xstrdupn(getenv("SERVER_PORT")); ctx->page.mimetype = "text/html"; ctx->page.charset = PAGE_ENCODING; ctx->page.filename = NULL; ctx->page.size = 0; ctx->page.modified = time(NULL); ctx->page.expires = ctx->page.modified; ctx->page.etag = NULL; memset(&ctx->cfg.mimetypes, 0, sizeof(struct string_list)); if (ctx->env.script_name) ctx->cfg.script_name = ctx->env.script_name; if (ctx->env.query_string) ctx->qry.raw = ctx->env.query_string; if (!ctx->env.cgit_config) ctx->env.cgit_config = CGIT_CONFIG; } struct refmatch { char *req_ref; char *first_ref; int match; }; int find_current_ref(const char *refname, const unsigned char *sha1, int flags, void *cb_data) { struct refmatch *info; info = (struct refmatch *)cb_data; if (!strcmp(refname, info->req_ref)) info->match = 1; if (!info->first_ref) info->first_ref = xstrdup(refname); return info->match; } char *find_default_branch(struct cgit_repo *repo) { struct refmatch info; char *ref; info.req_ref = repo->defbranch; info.first_ref = NULL; info.match = 0; for_each_branch_ref(find_current_ref, &info); if (info.match) ref = info.req_ref; else ref = info.first_ref; if (ref) ref = xstrdup(ref); return ref; } static int prepare_repo_cmd(struct cgit_context *ctx) { char *tmp; unsigned char sha1[20]; int nongit = 0; setenv("GIT_DIR", ctx->repo->path, 1); setup_git_directory_gently(&nongit); if (nongit) { ctx->page.title = fmt("%s - %s", ctx->cfg.root_title, "config error"); tmp = fmt("Not a git repository: '%s'", ctx->repo->path); ctx->repo = NULL; cgit_print_http_headers(ctx); cgit_print_docstart(ctx); cgit_print_pageheader(ctx); cgit_print_error(tmp); cgit_print_docend(); return 1; } ctx->page.title = fmt("%s - %s", ctx->repo->name, ctx->repo->desc); if (!ctx->qry.head) { ctx->qry.nohead = 1; ctx->qry.head = find_default_branch(ctx->repo); ctx->repo->defbranch = ctx->qry.head; } if (!ctx->qry.head) { cgit_print_http_headers(ctx); cgit_print_docstart(ctx); cgit_print_pageheader(ctx); cgit_print_error("Repository seems to be empty"); cgit_print_docend(); return 1; } if (get_sha1(ctx->qry.head, sha1)) { tmp = xstrdup(ctx->qry.head); ctx->qry.head = ctx->repo->defbranch; ctx->page.status = 404; ctx->page.statusmsg = "not found"; cgit_print_http_headers(ctx); cgit_print_docstart(ctx); cgit_print_pageheader(ctx); cgit_print_error(fmt("Invalid branch: %s", tmp)); cgit_print_docend(); return 1; } return 0; } static void process_request(void *cbdata) { struct cgit_context *ctx = cbdata; struct cgit_cmd *cmd; cmd = cgit_get_cmd(ctx); if (!cmd) { ctx->page.title = "cgit error"; cgit_print_http_headers(ctx); cgit_print_docstart(ctx); cgit_print_pageheader(ctx); cgit_print_error("Invalid request"); cgit_print_docend(); return; } /* If cmd->want_vpath is set, assume ctx->qry.path contains a "virtual" * in-project path limit to be made available at ctx->qry.vpath. * Otherwise, no path limit is in effect (ctx->qry.vpath = NULL). */ ctx->qry.vpath = cmd->want_vpath ? ctx->qry.path : NULL; if (cmd->want_repo && !ctx->repo) { cgit_print_http_headers(ctx); cgit_print_docstart(ctx); cgit_print_pageheader(ctx); cgit_print_error(fmt("No repository selected")); cgit_print_docend(); return; } if (ctx->repo && prepare_repo_cmd(ctx)) return; if (cmd->want_layout) { cgit_print_http_headers(ctx); cgit_print_docstart(ctx); cgit_print_pageheader(ctx); } cmd->fn(ctx); if (cmd->want_layout) cgit_print_docend(); } int cmp_repos(const void *a, const void *b) { const struct cgit_repo *ra = a, *rb = b; return strcmp(ra->url, rb->url); } char *build_snapshot_setting(int bitmap) { const struct cgit_snapshot_format *f; char *result = xstrdup(""); char *tmp; int len; for (f = cgit_snapshot_formats; f->suffix; f++) { if (f->bit & bitmap) { tmp = result; result = xstrdup(fmt("%s%s ", tmp, f->suffix)); free(tmp); } } len = strlen(result); if (len) result[len - 1] = '\0'; return result; } char *get_first_line(char *txt) { char *t = xstrdup(txt); char *p = strchr(t, '\n'); if (p) *p = '\0'; return t; } void print_repo(FILE *f, struct cgit_repo *repo) { fprintf(f, "repo.url=%s\n", repo->url); fprintf(f, "repo.name=%s\n", repo->name); fprintf(f, "repo.path=%s\n", repo->path); if (repo->owner) fprintf(f, "repo.owner=%s\n", repo->owner); if (repo->desc) { char *tmp = get_first_line(repo->desc); fprintf(f, "repo.desc=%s\n", tmp); free(tmp); } if (repo->readme) fprintf(f, "repo.readme=%s\n", repo->readme); if (repo->defbranch) fprintf(f, "repo.defbranch=%s\n", repo->defbranch); if (repo->module_link) fprintf(f, "repo.module-link=%s\n", repo->module_link); if (repo->section) fprintf(f, "repo.section=%s\n", repo->section); if (repo->clone_url) fprintf(f, "repo.clone-url=%s\n", repo->clone_url); fprintf(f, "repo.enable-log-filecount=%d\n", repo->enable_log_filecount); fprintf(f, "repo.enable-log-linecount=%d\n", repo->enable_log_linecount); if (repo->about_filter && repo->about_filter != ctx.cfg.about_filter) fprintf(f, "repo.about-filter=%s\n", repo->about_filter->cmd); if (repo->commit_filter && repo->commit_filter != ctx.cfg.commit_filter) fprintf(f, "repo.commit-filter=%s\n", repo->commit_filter->cmd); if (repo->source_filter && repo->source_filter != ctx.cfg.source_filter) fprintf(f, "repo.source-filter=%s\n", repo->source_filter->cmd); if (repo->snapshots != ctx.cfg.snapshots) { char *tmp = build_snapshot_setting(repo->snapshots); fprintf(f, "repo.snapshots=%s\n", tmp); free(tmp); } if (repo->max_stats != ctx.cfg.max_stats) fprintf(f, "repo.max-stats=%s\n", cgit_find_stats_periodname(repo->max_stats)); fprintf(f, "\n"); } void print_repolist(FILE *f, struct cgit_repolist *list, int start) { int i; for(i = start; i < list->count; i++) print_repo(f, &list->repos[i]); } /* Scan 'path' for git repositories, save the resulting repolist in 'cached_rc' * and return 0 on success. */ static int generate_cached_repolist(const char *path, const char *cached_rc) { char *locked_rc; int idx; FILE *f; locked_rc = xstrdup(fmt("%s.lock", cached_rc)); f = fopen(locked_rc, "wx"); if (!f) { /* Inform about the error unless the lockfile already existed, * since that only means we've got concurrent requests. */ if (errno != EEXIST) fprintf(stderr, "[cgit] Error opening %s: %s (%d)\n", locked_rc, strerror(errno), errno); return errno; } idx = cgit_repolist.count; if (ctx.cfg.project_list) scan_projects(path, ctx.cfg.project_list, repo_config); else scan_tree(path, repo_config); print_repolist(f, &cgit_repolist, idx); if (rename(locked_rc, cached_rc)) fprintf(stderr, "[cgit] Error renaming %s to %s: %s (%d)\n", locked_rc, cached_rc, strerror(errno), errno); fclose(f); return 0; } static void process_cached_repolist(const char *path) { struct stat st; char *cached_rc; time_t age; unsigned long hash; hash = hash_str(path); if (ctx.cfg.project_list) hash += hash_str(ctx.cfg.project_list); cached_rc = xstrdup(fmt("%s/rc-%8x", ctx.cfg.cache_root, hash)); if (stat(cached_rc, &st)) { /* Nothing is cached, we need to scan without forking. And * if we fail to generate a cached repolist, we need to * invoke scan_tree manually. */ if (generate_cached_repolist(path, cached_rc)) { if (ctx.cfg.project_list) scan_projects(path, ctx.cfg.project_list, repo_config); else scan_tree(path, repo_config); } return; } parse_configfile(cached_rc, config_cb); /* If the cached configfile hasn't expired, lets exit now */ age = time(NULL) - st.st_mtime; if (age <= (ctx.cfg.cache_scanrc_ttl * 60)) return; /* The cached repolist has been parsed, but it was old. So lets * rescan the specified path and generate a new cached repolist * in a child-process to avoid latency for the current request. */ if (fork()) return; exit(generate_cached_repolist(path, cached_rc)); } static void cgit_parse_args(int argc, const char **argv) { int i; int scan = 0; for (i = 1; i < argc; i++) { if (!strncmp(argv[i], "--cache=", 8)) { ctx.cfg.cache_root = xstrdup(argv[i]+8); } if (!strcmp(argv[i], "--nocache")) { ctx.cfg.nocache = 1; } if (!strcmp(argv[i], "--nohttp")) { ctx.env.no_http = "1"; } if (!strncmp(argv[i], "--query=", 8)) { ctx.qry.raw = xstrdup(argv[i]+8); } if (!strncmp(argv[i], "--repo=", 7)) { ctx.qry.repo = xstrdup(argv[i]+7); } if (!strncmp(argv[i], "--page=", 7)) { ctx.qry.page = xstrdup(argv[i]+7); } if (!strncmp(argv[i], "--head=", 7)) { ctx.qry.head = xstrdup(argv[i]+7); ctx.qry.has_symref = 1; } if (!strncmp(argv[i], "--sha1=", 7)) { ctx.qry.sha1 = xstrdup(argv[i]+7); ctx.qry.has_sha1 = 1; } if (!strncmp(argv[i], "--ofs=", 6)) { ctx.qry.ofs = atoi(argv[i]+6); } if (!strncmp(argv[i], "--scan-tree=", 12) || !strncmp(argv[i], "--scan-path=", 12)) { /* HACK: the global snapshot bitmask defines the * set of allowed snapshot formats, but the config * file hasn't been parsed yet so the mask is * currently 0. By setting all bits high before * scanning we make sure that any in-repo cgitrc * snapshot setting is respected by scan_tree(). * BTW: we assume that there'll never be more than * 255 different snapshot formats supported by cgit... */ ctx.cfg.snapshots = 0xFF; scan++; scan_tree(argv[i] + 12, repo_config); } } if (scan) { qsort(cgit_repolist.repos, cgit_repolist.count, sizeof(struct cgit_repo), cmp_repos); print_repolist(stdout, &cgit_repolist, 0); exit(0); } } static int calc_ttl() { if (!ctx.repo) return ctx.cfg.cache_root_ttl; if (!ctx.qry.page) return ctx.cfg.cache_repo_ttl; if (ctx.qry.has_symref) return ctx.cfg.cache_dynamic_ttl; if (ctx.qry.has_sha1) return ctx.cfg.cache_static_ttl; return ctx.cfg.cache_repo_ttl; } int main(int argc, const char **argv) { const char *path; char *qry; int err, ttl; prepare_context(&ctx); cgit_repolist.length = 0; cgit_repolist.count = 0; cgit_repolist.repos = NULL; cgit_parse_args(argc, argv); parse_configfile(expand_macros(ctx.env.cgit_config), config_cb); ctx.repo = NULL; http_parse_querystring(ctx.qry.raw, querystring_cb); /* If virtual-root isn't specified in cgitrc, lets pretend * that virtual-root equals SCRIPT_NAME. */ if (!ctx.cfg.virtual_root) ctx.cfg.virtual_root = ctx.cfg.script_name; /* If no url parameter is specified on the querystring, lets * use PATH_INFO as url. This allows cgit to work with virtual * urls without the need for rewriterules in the webserver (as * long as PATH_INFO is included in the cache lookup key). */ path = ctx.env.path_info; if (!ctx.qry.url && path) { if (path[0] == '/') path++; ctx.qry.url = xstrdup(path); if (ctx.qry.raw) { qry = ctx.qry.raw; ctx.qry.raw = xstrdup(fmt("%s?%s", path, qry)); free(qry); } else ctx.qry.raw = xstrdup(ctx.qry.url); cgit_parse_url(ctx.qry.url); } ttl = calc_ttl(); ctx.page.expires += ttl*60; if (ctx.env.request_method && !strcmp(ctx.env.request_method, "HEAD")) ctx.cfg.nocache = 1; if (ctx.cfg.nocache) ctx.cfg.cache_size = 0; err = cache_process(ctx.cfg.cache_size, ctx.cfg.cache_root, ctx.qry.raw, ttl, process_request, &ctx); if (err) cgit_print_error(fmt("Error processing page: %s (%d)", strerror(err), err)); return err; }