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-rw-r--r--cgit.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/cgit.c b/cgit.c
index 7b55b7b..8795bbc 100644
--- a/cgit.c
+++ b/cgit.c
@@ -1,169 +1,170 @@
1/* cgit.c: cgi for the git scm 1/* cgit.c: cgi for the git scm
2 * 2 *
3 * Copyright (C) 2006 Lars Hjemli 3 * Copyright (C) 2006 Lars Hjemli
4 * 4 *
5 * Licensed under GNU General Public License v2 5 * Licensed under GNU General Public License v2
6 * (see COPYING for full license text) 6 * (see COPYING for full license text)
7 */ 7 */
8 8
9#include "cgit.h" 9#include "cgit.h"
10 10
11static int cgit_prepare_cache(struct cacheitem *item) 11static int cgit_prepare_cache(struct cacheitem *item)
12{ 12{
13 if (!cgit_repo && cgit_query_repo) { 13 if (!cgit_repo && cgit_query_repo) {
14 char *title = fmt("%s - %s", cgit_root_title, "Bad request"); 14 char *title = fmt("%s - %s", cgit_root_title, "Bad request");
15 cgit_print_docstart(title, item); 15 cgit_print_docstart(title, item);
16 cgit_print_pageheader(title, 0); 16 cgit_print_pageheader(title, 0);
17 cgit_print_error(fmt("Unknown repo: %s", cgit_query_repo)); 17 cgit_print_error(fmt("Unknown repo: %s", cgit_query_repo));
18 cgit_print_docend(); 18 cgit_print_docend();
19 return 0; 19 return 0;
20 } 20 }
21 21
22 if (!cgit_repo) { 22 if (!cgit_repo) {
23 item->name = xstrdup(fmt("%s/index.html", cgit_cache_root)); 23 item->name = xstrdup(fmt("%s/index.html", cgit_cache_root));
24 item->ttl = cgit_cache_root_ttl; 24 item->ttl = cgit_cache_root_ttl;
25 return 1; 25 return 1;
26 } 26 }
27 27
28 if (!cgit_cmd) { 28 if (!cgit_cmd) {
29 item->name = xstrdup(fmt("%s/%s/index.%s.html", cgit_cache_root, 29 item->name = xstrdup(fmt("%s/%s/index.%s.html", cgit_cache_root,
30 cache_safe_filename(cgit_repo->url), 30 cache_safe_filename(cgit_repo->url),
31 cache_safe_filename(cgit_querystring))); 31 cache_safe_filename(cgit_querystring)));
32 item->ttl = cgit_cache_repo_ttl; 32 item->ttl = cgit_cache_repo_ttl;
33 } else { 33 } else {
34 item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root, 34 item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root,
35 cache_safe_filename(cgit_repo->url), 35 cache_safe_filename(cgit_repo->url),
36 cgit_query_page, 36 cgit_query_page,
37 cache_safe_filename(cgit_querystring))); 37 cache_safe_filename(cgit_querystring)));
38 if (cgit_query_has_symref) 38 if (cgit_query_has_symref)
39 item->ttl = cgit_cache_dynamic_ttl; 39 item->ttl = cgit_cache_dynamic_ttl;
40 else if (cgit_query_has_sha1) 40 else if (cgit_query_has_sha1)
41 item->ttl = cgit_cache_static_ttl; 41 item->ttl = cgit_cache_static_ttl;
42 else 42 else
43 item->ttl = cgit_cache_repo_ttl; 43 item->ttl = cgit_cache_repo_ttl;
44 } 44 }
45 return 1; 45 return 1;
46} 46}
47 47
48static void cgit_print_repo_page(struct cacheitem *item) 48static void cgit_print_repo_page(struct cacheitem *item)
49{ 49{
50 char *title; 50 char *title;
51 int show_search; 51 int show_search;
52 52
53 if (!cgit_query_head) 53 if (!cgit_query_head)
54 cgit_query_head = cgit_repo->defbranch; 54 cgit_query_head = cgit_repo->defbranch;
55 55
56 if (chdir(cgit_repo->path)) { 56 if (chdir(cgit_repo->path)) {
57 title = fmt("%s - %s", cgit_root_title, "Bad request"); 57 title = fmt("%s - %s", cgit_root_title, "Bad request");
58 cgit_print_docstart(title, item); 58 cgit_print_docstart(title, item);
59 cgit_print_pageheader(title, 0); 59 cgit_print_pageheader(title, 0);
60 cgit_print_error(fmt("Unable to scan repository: %s", 60 cgit_print_error(fmt("Unable to scan repository: %s",
61 strerror(errno))); 61 strerror(errno)));
62 cgit_print_docend(); 62 cgit_print_docend();
63 return; 63 return;
64 } 64 }
65 65
66 title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc); 66 title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc);
67 show_search = 0; 67 show_search = 0;
68 setenv("GIT_DIR", cgit_repo->path, 1); 68 setenv("GIT_DIR", cgit_repo->path, 1);
69 69
70 if ((cgit_cmd == CMD_SNAPSHOT) && cgit_repo->snapshots) { 70 if ((cgit_cmd == CMD_SNAPSHOT) && cgit_repo->snapshots) {
71 cgit_print_snapshot(item, cgit_query_sha1, 71 cgit_print_snapshot(item, cgit_query_sha1,
72 cgit_repobasename(cgit_repo->url), 72 cgit_repobasename(cgit_repo->url),
73 cgit_query_name); 73 cgit_query_name,
74 cgit_repo->snapshots );
74 return; 75 return;
75 } 76 }
76 77
77 if (cgit_cmd == CMD_BLOB) { 78 if (cgit_cmd == CMD_BLOB) {
78 cgit_print_blob(item, cgit_query_sha1, cgit_query_path); 79 cgit_print_blob(item, cgit_query_sha1, cgit_query_path);
79 return; 80 return;
80 } 81 }
81 82
82 show_search = (cgit_cmd == CMD_LOG); 83 show_search = (cgit_cmd == CMD_LOG);
83 cgit_print_docstart(title, item); 84 cgit_print_docstart(title, item);
84 if (!cgit_cmd) { 85 if (!cgit_cmd) {
85 cgit_print_pageheader("summary", show_search); 86 cgit_print_pageheader("summary", show_search);
86 cgit_print_summary(); 87 cgit_print_summary();
87 cgit_print_docend(); 88 cgit_print_docend();
88 return; 89 return;
89 } 90 }
90 91
91 cgit_print_pageheader(cgit_query_page, show_search); 92 cgit_print_pageheader(cgit_query_page, show_search);
92 93
93 switch(cgit_cmd) { 94 switch(cgit_cmd) {
94 case CMD_LOG: 95 case CMD_LOG:
95 cgit_print_log(cgit_query_sha1, cgit_query_ofs, 96 cgit_print_log(cgit_query_sha1, cgit_query_ofs,
96 cgit_max_commit_count, cgit_query_search, 97 cgit_max_commit_count, cgit_query_search,
97 cgit_query_path, 1); 98 cgit_query_path, 1);
98 break; 99 break;
99 case CMD_TREE: 100 case CMD_TREE:
100 cgit_print_tree(cgit_query_sha1, cgit_query_path); 101 cgit_print_tree(cgit_query_sha1, cgit_query_path);
101 break; 102 break;
102 case CMD_COMMIT: 103 case CMD_COMMIT:
103 cgit_print_commit(cgit_query_sha1); 104 cgit_print_commit(cgit_query_sha1);
104 break; 105 break;
105 case CMD_DIFF: 106 case CMD_DIFF:
106 cgit_print_diff(cgit_query_sha1, cgit_query_sha2); 107 cgit_print_diff(cgit_query_sha1, cgit_query_sha2);
107 break; 108 break;
108 default: 109 default:
109 cgit_print_error("Invalid request"); 110 cgit_print_error("Invalid request");
110 } 111 }
111 cgit_print_docend(); 112 cgit_print_docend();
112} 113}
113 114
114static void cgit_fill_cache(struct cacheitem *item, int use_cache) 115static void cgit_fill_cache(struct cacheitem *item, int use_cache)
115{ 116{
116 static char buf[PATH_MAX]; 117 static char buf[PATH_MAX];
117 int stdout2; 118 int stdout2;
118 119
119 getcwd(buf, sizeof(buf)); 120 getcwd(buf, sizeof(buf));
120 item->st.st_mtime = time(NULL); 121 item->st.st_mtime = time(NULL);
121 122
122 if (use_cache) { 123 if (use_cache) {
123 stdout2 = chk_positive(dup(STDOUT_FILENO), 124 stdout2 = chk_positive(dup(STDOUT_FILENO),
124 "Preserving STDOUT"); 125 "Preserving STDOUT");
125 chk_zero(close(STDOUT_FILENO), "Closing STDOUT"); 126 chk_zero(close(STDOUT_FILENO), "Closing STDOUT");
126 chk_positive(dup2(item->fd, STDOUT_FILENO), "Dup2(cachefile)"); 127 chk_positive(dup2(item->fd, STDOUT_FILENO), "Dup2(cachefile)");
127 } 128 }
128 129
129 if (cgit_repo) 130 if (cgit_repo)
130 cgit_print_repo_page(item); 131 cgit_print_repo_page(item);
131 else 132 else
132 cgit_print_repolist(item); 133 cgit_print_repolist(item);
133 134
134 if (use_cache) { 135 if (use_cache) {
135 chk_zero(close(STDOUT_FILENO), "Close redirected STDOUT"); 136 chk_zero(close(STDOUT_FILENO), "Close redirected STDOUT");
136 chk_positive(dup2(stdout2, STDOUT_FILENO), 137 chk_positive(dup2(stdout2, STDOUT_FILENO),
137 "Restoring original STDOUT"); 138 "Restoring original STDOUT");
138 chk_zero(close(stdout2), "Closing temporary STDOUT"); 139 chk_zero(close(stdout2), "Closing temporary STDOUT");
139 } 140 }
140 141
141 chdir(buf); 142 chdir(buf);
142} 143}
143 144
144static void cgit_check_cache(struct cacheitem *item) 145static void cgit_check_cache(struct cacheitem *item)
145{ 146{
146 int i = 0; 147 int i = 0;
147 148
148 top: 149 top:
149 if (++i > cgit_max_lock_attempts) { 150 if (++i > cgit_max_lock_attempts) {
150 die("cgit_refresh_cache: unable to lock %s: %s", 151 die("cgit_refresh_cache: unable to lock %s: %s",
151 item->name, strerror(errno)); 152 item->name, strerror(errno));
152 } 153 }
153 if (!cache_exist(item)) { 154 if (!cache_exist(item)) {
154 if (!cache_lock(item)) { 155 if (!cache_lock(item)) {
155 sleep(1); 156 sleep(1);
156 goto top; 157 goto top;
157 } 158 }
158 if (!cache_exist(item)) { 159 if (!cache_exist(item)) {
159 cgit_fill_cache(item, 1); 160 cgit_fill_cache(item, 1);
160 cache_unlock(item); 161 cache_unlock(item);
161 } else { 162 } else {
162 cache_cancel_lock(item); 163 cache_cancel_lock(item);
163 } 164 }
164 } else if (cache_expired(item) && cache_lock(item)) { 165 } else if (cache_expired(item) && cache_lock(item)) {
165 if (cache_expired(item)) { 166 if (cache_expired(item)) {
166 cgit_fill_cache(item, 1); 167 cgit_fill_cache(item, 1);
167 cache_unlock(item); 168 cache_unlock(item);
168 } else { 169 } else {
169 cache_cancel_lock(item); 170 cache_cancel_lock(item);