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-rw-r--r--cgit.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/cgit.c b/cgit.c
index 9dbc608..372b436 100644
--- a/cgit.c
+++ b/cgit.c
@@ -1,154 +1,158 @@
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
11const char cgit_version[] = CGIT_VERSION; 11const char cgit_version[] = CGIT_VERSION;
12 12
13static void cgit_print_repo_page(struct cacheitem *item) 13static void cgit_print_repo_page(struct cacheitem *item)
14{ 14{
15 if (chdir(fmt("%s/%s", cgit_root, cgit_query_repo)) || 15 if (chdir(fmt("%s/%s", cgit_root, cgit_query_repo)) ||
16 cgit_read_config("info/cgit", cgit_repo_config_cb)) { 16 cgit_read_config("info/cgit", cgit_repo_config_cb)) {
17 char *title = fmt("%s - %s", cgit_root_title, "Bad request"); 17 char *title = fmt("%s - %s", cgit_root_title, "Bad request");
18 cgit_print_docstart(title, item); 18 cgit_print_docstart(title, item);
19 cgit_print_pageheader(title); 19 cgit_print_pageheader(title);
20 cgit_print_error(fmt("Unable to scan repository: %s", 20 cgit_print_error(fmt("Unable to scan repository: %s",
21 strerror(errno))); 21 strerror(errno)));
22 cgit_print_docend(); 22 cgit_print_docend();
23 return; 23 return;
24 } 24 }
25 setenv("GIT_DIR", fmt("%s/%s", cgit_root, cgit_query_repo), 1); 25 setenv("GIT_DIR", fmt("%s/%s", cgit_root, cgit_query_repo), 1);
26 char *title = fmt("%s - %s", cgit_repo_name, cgit_repo_desc); 26 char *title = fmt("%s - %s", cgit_repo_name, cgit_repo_desc);
27 cgit_print_docstart(title, item); 27 cgit_print_docstart(title, item);
28 cgit_print_pageheader(title); 28 cgit_print_pageheader(title);
29 if (!cgit_query_page) { 29 if (!cgit_query_page) {
30 cgit_print_summary(); 30 cgit_print_summary();
31 } else if (!strcmp(cgit_query_page, "log")) { 31 } else if (!strcmp(cgit_query_page, "log")) {
32 cgit_print_log(cgit_query_head, cgit_query_ofs, 100); 32 cgit_print_log(cgit_query_head, cgit_query_ofs, 100);
33 } else if (!strcmp(cgit_query_page, "tree")) { 33 } else if (!strcmp(cgit_query_page, "tree")) {
34 cgit_print_tree(cgit_query_sha1); 34 cgit_print_tree(cgit_query_sha1);
35 } else if (!strcmp(cgit_query_page, "commit")) { 35 } else if (!strcmp(cgit_query_page, "commit")) {
36 cgit_print_commit(cgit_query_sha1); 36 cgit_print_commit(cgit_query_sha1);
37 } else if (!strcmp(cgit_query_page, "view")) { 37 } else if (!strcmp(cgit_query_page, "view")) {
38 cgit_print_view(cgit_query_sha1); 38 cgit_print_view(cgit_query_sha1);
39 } 39 }
40 cgit_print_docend(); 40 cgit_print_docend();
41} 41}
42 42
43static void cgit_fill_cache(struct cacheitem *item) 43static void cgit_fill_cache(struct cacheitem *item)
44{ 44{
45 static char buf[PATH_MAX];
46
47 getcwd(buf, sizeof(buf));
45 htmlfd = item->fd; 48 htmlfd = item->fd;
46 item->st.st_mtime = time(NULL); 49 item->st.st_mtime = time(NULL);
47 if (cgit_query_repo) 50 if (cgit_query_repo)
48 cgit_print_repo_page(item); 51 cgit_print_repo_page(item);
49 else 52 else
50 cgit_print_repolist(item); 53 cgit_print_repolist(item);
54 chdir(buf);
51} 55}
52 56
53static void cgit_check_cache(struct cacheitem *item) 57static void cgit_check_cache(struct cacheitem *item)
54{ 58{
55 int i = 0; 59 int i = 0;
56 60
57 cache_prepare(item); 61 cache_prepare(item);
58 top: 62 top:
59 if (++i > cgit_max_lock_attempts) { 63 if (++i > cgit_max_lock_attempts) {
60 die("cgit_refresh_cache: unable to lock %s: %s", 64 die("cgit_refresh_cache: unable to lock %s: %s",
61 item->name, strerror(errno)); 65 item->name, strerror(errno));
62 } 66 }
63 if (!cache_exist(item)) { 67 if (!cache_exist(item)) {
64 if (!cache_lock(item)) { 68 if (!cache_lock(item)) {
65 sleep(1); 69 sleep(1);
66 goto top; 70 goto top;
67 } 71 }
68 if (!cache_exist(item)) { 72 if (!cache_exist(item)) {
69 cgit_fill_cache(item); 73 cgit_fill_cache(item);
70 cache_unlock(item); 74 cache_unlock(item);
71 } else { 75 } else {
72 cache_cancel_lock(item); 76 cache_cancel_lock(item);
73 } 77 }
74 } else if (cache_expired(item) && cache_lock(item)) { 78 } else if (cache_expired(item) && cache_lock(item)) {
75 if (cache_expired(item)) { 79 if (cache_expired(item)) {
76 cgit_fill_cache(item); 80 cgit_fill_cache(item);
77 cache_unlock(item); 81 cache_unlock(item);
78 } else { 82 } else {
79 cache_cancel_lock(item); 83 cache_cancel_lock(item);
80 } 84 }
81 } 85 }
82} 86}
83 87
84static void cgit_print_cache(struct cacheitem *item) 88static void cgit_print_cache(struct cacheitem *item)
85{ 89{
86 static char buf[4096]; 90 static char buf[4096];
87 ssize_t i; 91 ssize_t i;
88 92
89 int fd = open(item->name, O_RDONLY); 93 int fd = open(item->name, O_RDONLY);
90 if (fd<0) 94 if (fd<0)
91 die("Unable to open cached file %s", item->name); 95 die("Unable to open cached file %s", item->name);
92 96
93 while((i=read(fd, buf, sizeof(buf))) > 0) 97 while((i=read(fd, buf, sizeof(buf))) > 0)
94 write(STDOUT_FILENO, buf, i); 98 write(STDOUT_FILENO, buf, i);
95 99
96 close(fd); 100 close(fd);
97} 101}
98 102
99static void cgit_parse_args(int argc, const char **argv) 103static void cgit_parse_args(int argc, const char **argv)
100{ 104{
101 int i; 105 int i;
102 106
103 for (i = 1; i < argc; i++) { 107 for (i = 1; i < argc; i++) {
104 if (!strncmp(argv[i], "--root=", 7)) { 108 if (!strncmp(argv[i], "--root=", 7)) {
105 cgit_root = xstrdup(argv[i]+7); 109 cgit_root = xstrdup(argv[i]+7);
106 } 110 }
107 if (!strncmp(argv[i], "--cache=", 8)) { 111 if (!strncmp(argv[i], "--cache=", 8)) {
108 cgit_cache_root = xstrdup(argv[i]+8); 112 cgit_cache_root = xstrdup(argv[i]+8);
109 } 113 }
110 if (!strcmp(argv[i], "--nocache")) { 114 if (!strcmp(argv[i], "--nocache")) {
111 cgit_nocache = 1; 115 cgit_nocache = 1;
112 } 116 }
113 if (!strncmp(argv[i], "--query=", 8)) { 117 if (!strncmp(argv[i], "--query=", 8)) {
114 cgit_querystring = xstrdup(argv[i]+8); 118 cgit_querystring = xstrdup(argv[i]+8);
115 } 119 }
116 if (!strncmp(argv[i], "--repo=", 7)) { 120 if (!strncmp(argv[i], "--repo=", 7)) {
117 cgit_query_repo = xstrdup(argv[i]+7); 121 cgit_query_repo = xstrdup(argv[i]+7);
118 } 122 }
119 if (!strncmp(argv[i], "--page=", 7)) { 123 if (!strncmp(argv[i], "--page=", 7)) {
120 cgit_query_page = xstrdup(argv[i]+7); 124 cgit_query_page = xstrdup(argv[i]+7);
121 } 125 }
122 if (!strncmp(argv[i], "--head=", 7)) { 126 if (!strncmp(argv[i], "--head=", 7)) {
123 cgit_query_head = xstrdup(argv[i]+7); 127 cgit_query_head = xstrdup(argv[i]+7);
124 cgit_query_has_symref = 1; 128 cgit_query_has_symref = 1;
125 } 129 }
126 if (!strncmp(argv[i], "--sha1=", 7)) { 130 if (!strncmp(argv[i], "--sha1=", 7)) {
127 cgit_query_sha1 = xstrdup(argv[i]+7); 131 cgit_query_sha1 = xstrdup(argv[i]+7);
128 cgit_query_has_sha1 = 1; 132 cgit_query_has_sha1 = 1;
129 } 133 }
130 if (!strncmp(argv[i], "--ofs=", 6)) { 134 if (!strncmp(argv[i], "--ofs=", 6)) {
131 cgit_query_ofs = atoi(argv[i]+6); 135 cgit_query_ofs = atoi(argv[i]+6);
132 } 136 }
133 } 137 }
134} 138}
135 139
136int main(int argc, const char **argv) 140int main(int argc, const char **argv)
137{ 141{
138 struct cacheitem item; 142 struct cacheitem item;
139 143
140 cgit_read_config("/etc/cgitrc", cgit_global_config_cb); 144 cgit_read_config("/etc/cgitrc", cgit_global_config_cb);
141 if (getenv("QUERY_STRING")) 145 if (getenv("QUERY_STRING"))
142 cgit_querystring = xstrdup(getenv("QUERY_STRING")); 146 cgit_querystring = xstrdup(getenv("QUERY_STRING"));
143 cgit_parse_args(argc, argv); 147 cgit_parse_args(argc, argv);
144 cgit_parse_query(cgit_querystring, cgit_querystring_cb); 148 cgit_parse_query(cgit_querystring, cgit_querystring_cb);
145 149
146 if (cgit_nocache) { 150 if (cgit_nocache) {
147 item.fd = STDOUT_FILENO; 151 item.fd = STDOUT_FILENO;
148 cgit_fill_cache(&item); 152 cgit_fill_cache(&item);
149 } else { 153 } else {
150 cgit_check_cache(&item); 154 cgit_check_cache(&item);
151 cgit_print_cache(&item); 155 cgit_print_cache(&item);
152 } 156 }
153 return 0; 157 return 0;
154} 158}