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diff --git a/cgit.c b/cgit.c index 7b55b7b..8795bbc 100644 --- a/ cgit.c+++ b/ cgit.c |
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@@ -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 | |
11 | static int cgit_prepare_cache(struct cacheitem *item) |
11 | static 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 | |
48 | static void cgit_print_repo_page(struct cacheitem *item) |
48 | static 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 | |
114 | static void cgit_fill_cache(struct cacheitem *item, int use_cache) |
115 | static 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 | |
144 | static void cgit_check_cache(struct cacheitem *item) |
145 | static 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); |
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