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-rw-r--r--cgit.c4
-rw-r--r--cgit.h1
-rw-r--r--cgitrc4
-rw-r--r--shared.c3
4 files changed, 10 insertions, 2 deletions
diff --git a/cgit.c b/cgit.c
index 28bab8d..aee7ba3 100644
--- a/cgit.c
+++ b/cgit.c
@@ -1,239 +1,239 @@
/* cgit.c: cgi for the git scm
*
* Copyright (C) 2006 Lars Hjemli
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
#include "cgit.h"
const char cgit_version[] = CGIT_VERSION;
static struct repoinfo *cgit_get_repoinfo(char *url)
{
int i;
struct repoinfo *repo;
for (i=0; i<cgit_repolist.count; i++) {
repo = &cgit_repolist.repos[i];
if (!strcmp(repo->url, url))
return repo;
}
return NULL;
}
static int cgit_prepare_cache(struct cacheitem *item)
{
if (!cgit_query_repo) {
item->name = xstrdup(fmt("%s/index.html", cgit_cache_root));
item->ttl = cgit_cache_root_ttl;
return 1;
}
cgit_repo = cgit_get_repoinfo(cgit_query_repo);
if (!cgit_repo) {
char *title = fmt("%s - %s", cgit_root_title, "Bad request");
cgit_print_docstart(title, item);
cgit_print_pageheader(title, 0);
cgit_print_error(fmt("Unknown repo: %s", cgit_query_repo));
cgit_print_docend();
return 0;
}
if (!cgit_query_page) {
item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root,
cgit_repo->url));
item->ttl = cgit_cache_repo_ttl;
} else {
item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root,
cgit_repo->url, cgit_query_page,
cache_safe_filename(cgit_querystring)));
if (cgit_query_has_symref)
item->ttl = cgit_cache_dynamic_ttl;
else if (cgit_query_has_sha1)
item->ttl = cgit_cache_static_ttl;
else
item->ttl = cgit_cache_repo_ttl;
}
return 1;
}
static void cgit_print_repo_page(struct cacheitem *item)
{
char *title;
int show_search;
if (chdir(cgit_repo->path)) {
title = fmt("%s - %s", cgit_root_title, "Bad request");
cgit_print_docstart(title, item);
cgit_print_pageheader(title, 0);
cgit_print_error(fmt("Unable to scan repository: %s",
strerror(errno)));
cgit_print_docend();
return;
}
title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc);
show_search = 0;
setenv("GIT_DIR", cgit_repo->path, 1);
if (cgit_query_page) {
if (cgit_repo->snapshots && !strcmp(cgit_query_page, "snapshot")) {
cgit_print_snapshot(item, cgit_query_sha1, "zip",
cgit_repo->url, cgit_query_name);
return;
}
if (!strcmp(cgit_query_page, "blob")) {
cgit_print_blob(item, cgit_query_sha1, cgit_query_path);
return;
}
}
if (cgit_query_page && !strcmp(cgit_query_page, "log"))
show_search = 1;
cgit_print_docstart(title, item);
if (!cgit_query_page) {
cgit_print_pageheader("summary", show_search);
cgit_print_summary();
cgit_print_docend();
return;
}
cgit_print_pageheader(cgit_query_page, show_search);
if (!strcmp(cgit_query_page, "log")) {
- cgit_print_log(cgit_query_head, cgit_query_ofs, 100,
- cgit_query_search);
+ cgit_print_log(cgit_query_head, cgit_query_ofs,
+ cgit_max_commit_count, cgit_query_search);
} else if (!strcmp(cgit_query_page, "tree")) {
cgit_print_tree(cgit_query_sha1, cgit_query_path);
} else if (!strcmp(cgit_query_page, "commit")) {
cgit_print_commit(cgit_query_sha1);
} else if (!strcmp(cgit_query_page, "view")) {
cgit_print_view(cgit_query_sha1, cgit_query_path);
} else if (!strcmp(cgit_query_page, "diff")) {
cgit_print_diff(cgit_query_sha1, cgit_query_sha2);
} else {
cgit_print_error("Invalid request");
}
cgit_print_docend();
}
static void cgit_fill_cache(struct cacheitem *item, int use_cache)
{
static char buf[PATH_MAX];
int stdout2;
getcwd(buf, sizeof(buf));
item->st.st_mtime = time(NULL);
if (use_cache) {
stdout2 = chk_positive(dup(STDOUT_FILENO),
"Preserving STDOUT");
chk_zero(close(STDOUT_FILENO), "Closing STDOUT");
chk_positive(dup2(item->fd, STDOUT_FILENO), "Dup2(cachefile)");
}
if (cgit_query_repo)
cgit_print_repo_page(item);
else
cgit_print_repolist(item);
if (use_cache) {
chk_zero(close(STDOUT_FILENO), "Close redirected STDOUT");
chk_positive(dup2(stdout2, STDOUT_FILENO),
"Restoring original STDOUT");
chk_zero(close(stdout2), "Closing temporary STDOUT");
}
chdir(buf);
}
static void cgit_check_cache(struct cacheitem *item)
{
int i = 0;
top:
if (++i > cgit_max_lock_attempts) {
die("cgit_refresh_cache: unable to lock %s: %s",
item->name, strerror(errno));
}
if (!cache_exist(item)) {
if (!cache_lock(item)) {
sleep(1);
goto top;
}
if (!cache_exist(item)) {
cgit_fill_cache(item, 1);
cache_unlock(item);
} else {
cache_cancel_lock(item);
}
} else if (cache_expired(item) && cache_lock(item)) {
if (cache_expired(item)) {
cgit_fill_cache(item, 1);
cache_unlock(item);
} else {
cache_cancel_lock(item);
}
}
}
static void cgit_print_cache(struct cacheitem *item)
{
static char buf[4096];
ssize_t i;
int fd = open(item->name, O_RDONLY);
if (fd<0)
die("Unable to open cached file %s", item->name);
while((i=read(fd, buf, sizeof(buf))) > 0)
write(STDOUT_FILENO, buf, i);
close(fd);
}
static void cgit_parse_args(int argc, const char **argv)
{
int i;
for (i = 1; i < argc; i++) {
if (!strncmp(argv[i], "--cache=", 8)) {
cgit_cache_root = xstrdup(argv[i]+8);
}
if (!strcmp(argv[i], "--nocache")) {
cgit_nocache = 1;
}
if (!strncmp(argv[i], "--query=", 8)) {
cgit_querystring = xstrdup(argv[i]+8);
}
if (!strncmp(argv[i], "--repo=", 7)) {
cgit_query_repo = xstrdup(argv[i]+7);
}
if (!strncmp(argv[i], "--page=", 7)) {
cgit_query_page = xstrdup(argv[i]+7);
}
if (!strncmp(argv[i], "--head=", 7)) {
cgit_query_head = xstrdup(argv[i]+7);
cgit_query_has_symref = 1;
}
if (!strncmp(argv[i], "--sha1=", 7)) {
cgit_query_sha1 = xstrdup(argv[i]+7);
cgit_query_has_sha1 = 1;
}
if (!strncmp(argv[i], "--ofs=", 6)) {
cgit_query_ofs = atoi(argv[i]+6);
}
}
}
int main(int argc, const char **argv)
{
struct cacheitem item;
htmlfd = STDOUT_FILENO;
diff --git a/cgit.h b/cgit.h
index 43de375..46f3173 100644
--- a/cgit.h
+++ b/cgit.h
@@ -1,181 +1,182 @@
#ifndef CGIT_H
#define CGIT_H
#include <git-compat-util.h>
#include <cache.h>
#include <grep.h>
#include <object.h>
#include <tree.h>
#include <commit.h>
#include <tag.h>
#include <diff.h>
#include <diffcore.h>
#include <refs.h>
#include <revision.h>
#include <log-tree.h>
#include <archive.h>
#include <xdiff/xdiff.h>
typedef void (*configfn)(const char *name, const char *value);
typedef void (*filepair_fn)(struct diff_filepair *pair);
typedef void (*linediff_fn)(char *line, int len);
struct cacheitem {
char *name;
struct stat st;
int ttl;
int fd;
};
struct repoinfo {
char *url;
char *name;
char *path;
char *desc;
char *owner;
char *module_link;
int snapshots;
};
struct repolist {
int length;
int count;
struct repoinfo *repos;
};
struct commitinfo {
struct commit *commit;
char *author;
char *author_email;
unsigned long author_date;
char *committer;
char *committer_email;
unsigned long committer_date;
char *subject;
char *msg;
};
struct taginfo {
char *tagger;
char *tagger_email;
int tagger_date;
char *msg;
};
extern const char cgit_version[];
extern struct repolist cgit_repolist;
extern struct repoinfo *cgit_repo;
extern char *cgit_root_title;
extern char *cgit_css;
extern char *cgit_logo;
extern char *cgit_logo_link;
extern char *cgit_module_link;
extern char *cgit_virtual_root;
extern char *cgit_cache_root;
extern int cgit_nocache;
extern int cgit_snapshots;
extern int cgit_max_lock_attempts;
extern int cgit_cache_root_ttl;
extern int cgit_cache_repo_ttl;
extern int cgit_cache_dynamic_ttl;
extern int cgit_cache_static_ttl;
extern int cgit_cache_max_create_time;
extern int cgit_max_msg_len;
+extern int cgit_max_commit_count;
extern char *cgit_repo_name;
extern char *cgit_repo_desc;
extern char *cgit_repo_owner;
extern int cgit_query_has_symref;
extern int cgit_query_has_sha1;
extern char *cgit_querystring;
extern char *cgit_query_repo;
extern char *cgit_query_page;
extern char *cgit_query_search;
extern char *cgit_query_head;
extern char *cgit_query_sha1;
extern char *cgit_query_sha2;
extern char *cgit_query_path;
extern char *cgit_query_name;
extern int cgit_query_ofs;
extern int htmlfd;
extern void cgit_global_config_cb(const char *name, const char *value);
extern void cgit_repo_config_cb(const char *name, const char *value);
extern void cgit_querystring_cb(const char *name, const char *value);
extern int chk_zero(int result, char *msg);
extern int chk_positive(int result, char *msg);
extern int hextoint(char c);
extern void *cgit_free_commitinfo(struct commitinfo *info);
extern int cgit_diff_files(const unsigned char *old_sha1,
const unsigned char *new_sha1,
linediff_fn fn);
extern void cgit_diff_tree(const unsigned char *old_sha1,
const unsigned char *new_sha1,
filepair_fn fn);
extern void cgit_diff_commit(struct commit *commit, filepair_fn fn);
extern char *fmt(const char *format,...);
extern void html(const char *txt);
extern void htmlf(const char *format,...);
extern void html_txt(char *txt);
extern void html_ntxt(int len, char *txt);
extern void html_attr(char *txt);
extern void html_hidden(char *name, char *value);
extern void html_link_open(char *url, char *title, char *class);
extern void html_link_close(void);
extern void html_filemode(unsigned short mode);
extern int cgit_read_config(const char *filename, configfn fn);
extern int cgit_parse_query(char *txt, configfn fn);
extern struct commitinfo *cgit_parse_commit(struct commit *commit);
extern struct taginfo *cgit_parse_tag(struct tag *tag);
extern char *cache_safe_filename(const char *unsafe);
extern int cache_lock(struct cacheitem *item);
extern int cache_unlock(struct cacheitem *item);
extern int cache_cancel_lock(struct cacheitem *item);
extern int cache_exist(struct cacheitem *item);
extern int cache_expired(struct cacheitem *item);
extern char *cgit_repourl(const char *reponame);
extern char *cgit_pageurl(const char *reponame, const char *pagename,
const char *query);
extern void cgit_print_error(char *msg);
extern void cgit_print_date(unsigned long secs);
extern void cgit_print_docstart(char *title, struct cacheitem *item);
extern void cgit_print_docend();
extern void cgit_print_pageheader(char *title, int show_search);
extern void cgit_print_snapshot_start(const char *mimetype,
const char *filename,
struct cacheitem *item);
extern void cgit_print_repolist(struct cacheitem *item);
extern void cgit_print_summary();
extern void cgit_print_log(const char *tip, int ofs, int cnt, char *grep);
extern void cgit_print_view(const char *hex, char *path);
extern void cgit_print_blob(struct cacheitem *item, const char *hex, char *path);
extern void cgit_print_tree(const char *hex, char *path);
extern void cgit_print_commit(const char *hex);
extern void cgit_print_diff(const char *old_hex, const char *new_hex);
extern void cgit_print_snapshot(struct cacheitem *item, const char *hex,
const char *format, const char *prefix,
const char *filename);
#endif /* CGIT_H */
diff --git a/cgitrc b/cgitrc
index f217b39..019781e 100644
--- a/cgitrc
+++ b/cgitrc
@@ -1,89 +1,93 @@
##
## cgitrc: template for /etc/cgitrc
##
## Uncomment and set to 1 to deactivate caching of generated pages. Mostly
## usefull for testing.
#nocache=0
## Enable/disable snapshots by default. This can be overridden per repo
#snapshots=0
## Specify a root for virtual urls. This makes cgit generate urls like
##
## http://localhost/git/repo/log/?id=master
##
## instead of
##
## http://localhost/cgit/cgit.cgi?r=repo&p=log&id=master
##
## For this to work with apache, rewrite rules must be added to httpd.conf,
## possibly looking something like this:
##
## RewriteRule ^/git/$ /cgit/cgit.cgi [L,QSA]
## RewriteRule ^/git/([^/]+)/$ /cgit/cgit.cgi?r=$1 [L,QSA]
## RewriteRule ^/git/([^/]+)/([^/]+)/$ /cgit/cgit.cgi?r=$1&p=$2 [L,QSA]
##
## This setting is disabled by default.
#virtual-root=/git
## Set the title printed on the root page
#root-title=Git repository browser
## Link to css file
#css=/cgit/cgit.css
## Link to logo file
#logo=/cgit/git-logo.png
## Url loaded when clicking the logo
#logo-link=http://www.kernel.org/pub/software/scm/git/docs/
## Url loaded when clicking a submodule link
#module-link=./?repo=%s&page=commit&id=%s
## Number of chars shown of commit subject message (in log view)
#max-message-length=60
+## Number of commits per page in log view
+#max-commit-count=50
+
+
## Root of cached output
#cache-root=/var/cache/cgit
##
## Time-To-Live settings: specifies how long (in minutes) different pages
## should be cached (0 for instant expiration, -1 for immortal pages)
##
## ttl for root page
#cache-root-ttl=5
## ttl for repo summary page
#cache-repo-ttl=5
## ttl for other dynamic pages
#cache-dynamic-ttl=5
## ttl for static pages (addressed by SHA-1)
#cache-static-ttl=-1
## Example repository entry. Required values are repo.url and repo.path (each
## repository section must start with repo.url).
#repo.url=cgit
#repo.name=cgit
#repo.desc=the caching cgi for git
#repo.path=/pub/git/cgit
#repo.owner=Lars Hjemli
#repo.snapshots=1 # override a sitewide snapshot-setting
#repo.module-link=/git/%s/commit/?id=%s # override the standard module-link
diff --git a/shared.c b/shared.c
index 801f68d..ffecac8 100644
--- a/shared.c
+++ b/shared.c
@@ -1,250 +1,253 @@
/* shared.c: global vars + some callback functions
*
* Copyright (C) 2006 Lars Hjemli
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
#include "cgit.h"
struct repolist cgit_repolist;
struct repoinfo *cgit_repo;
char *cgit_root_title = "Git repository browser";
char *cgit_css = "/cgit.css";
char *cgit_logo = "/git-logo.png";
char *cgit_logo_link = "http://www.kernel.org/pub/software/scm/git/docs/";
char *cgit_module_link = "./?repo=%s&page=commit&id=%s";
char *cgit_virtual_root = NULL;
char *cgit_cache_root = "/var/cache/cgit";
int cgit_nocache = 0;
int cgit_snapshots = 0;
int cgit_max_lock_attempts = 5;
int cgit_cache_root_ttl = 5;
int cgit_cache_repo_ttl = 5;
int cgit_cache_dynamic_ttl = 5;
int cgit_cache_static_ttl = -1;
int cgit_cache_max_create_time = 5;
int cgit_max_msg_len = 60;
+int cgit_max_commit_count = 50;
char *cgit_repo_name = NULL;
char *cgit_repo_desc = NULL;
char *cgit_repo_owner = NULL;
int cgit_query_has_symref = 0;
int cgit_query_has_sha1 = 0;
char *cgit_querystring = NULL;
char *cgit_query_repo = NULL;
char *cgit_query_page = NULL;
char *cgit_query_head = NULL;
char *cgit_query_search = NULL;
char *cgit_query_sha1 = NULL;
char *cgit_query_sha2 = NULL;
char *cgit_query_path = NULL;
char *cgit_query_name = NULL;
int cgit_query_ofs = 0;
int htmlfd = 0;
int chk_zero(int result, char *msg)
{
if (result != 0)
die("%s: %s", msg, strerror(errno));
return result;
}
int chk_positive(int result, char *msg)
{
if (result <= 0)
die("%s: %s", msg, strerror(errno));
return result;
}
struct repoinfo *add_repo(const char *url)
{
struct repoinfo *ret;
if (++cgit_repolist.count > cgit_repolist.length) {
if (cgit_repolist.length == 0)
cgit_repolist.length = 8;
else
cgit_repolist.length *= 2;
cgit_repolist.repos = xrealloc(cgit_repolist.repos,
cgit_repolist.length *
sizeof(struct repoinfo));
}
ret = &cgit_repolist.repos[cgit_repolist.count-1];
ret->url = xstrdup(url);
ret->name = ret->url;
ret->path = NULL;
ret->desc = NULL;
ret->owner = NULL;
ret->snapshots = cgit_snapshots;
ret->module_link = cgit_module_link;
return ret;
}
void cgit_global_config_cb(const char *name, const char *value)
{
if (!strcmp(name, "root-title"))
cgit_root_title = xstrdup(value);
else if (!strcmp(name, "css"))
cgit_css = xstrdup(value);
else if (!strcmp(name, "logo"))
cgit_logo = xstrdup(value);
else if (!strcmp(name, "logo-link"))
cgit_logo_link = xstrdup(value);
else if (!strcmp(name, "module-link"))
cgit_module_link = xstrdup(value);
else if (!strcmp(name, "virtual-root"))
cgit_virtual_root = xstrdup(value);
else if (!strcmp(name, "nocache"))
cgit_nocache = atoi(value);
else if (!strcmp(name, "snapshots"))
cgit_snapshots = atoi(value);
else if (!strcmp(name, "cache-root"))
cgit_cache_root = xstrdup(value);
else if (!strcmp(name, "cache-root-ttl"))
cgit_cache_root_ttl = atoi(value);
else if (!strcmp(name, "cache-repo-ttl"))
cgit_cache_repo_ttl = atoi(value);
else if (!strcmp(name, "cache-static-ttl"))
cgit_cache_static_ttl = atoi(value);
else if (!strcmp(name, "cache-dynamic-ttl"))
cgit_cache_dynamic_ttl = atoi(value);
else if (!strcmp(name, "max-message-length"))
cgit_max_msg_len = atoi(value);
+ else if (!strcmp(name, "max-commit-count"))
+ cgit_max_commit_count = atoi(value);
else if (!strcmp(name, "repo.url"))
cgit_repo = add_repo(value);
else if (!strcmp(name, "repo.name"))
cgit_repo->name = xstrdup(value);
else if (cgit_repo && !strcmp(name, "repo.path"))
cgit_repo->path = xstrdup(value);
else if (cgit_repo && !strcmp(name, "repo.desc"))
cgit_repo->desc = xstrdup(value);
else if (cgit_repo && !strcmp(name, "repo.owner"))
cgit_repo->owner = xstrdup(value);
else if (cgit_repo && !strcmp(name, "repo.snapshots"))
cgit_repo->snapshots = atoi(value);
else if (cgit_repo && !strcmp(name, "repo.module-link"))
cgit_repo->module_link= xstrdup(value);
}
void cgit_repo_config_cb(const char *name, const char *value)
{
if (!strcmp(name, "name"))
cgit_repo_name = xstrdup(value);
else if (!strcmp(name, "desc"))
cgit_repo_desc = xstrdup(value);
else if (!strcmp(name, "owner"))
cgit_repo_owner = xstrdup(value);
}
void cgit_querystring_cb(const char *name, const char *value)
{
if (!strcmp(name,"r")) {
cgit_query_repo = xstrdup(value);
} else if (!strcmp(name, "p")) {
cgit_query_page = xstrdup(value);
} else if (!strcmp(name, "q")) {
cgit_query_search = xstrdup(value);
} else if (!strcmp(name, "h")) {
cgit_query_head = xstrdup(value);
cgit_query_has_symref = 1;
} else if (!strcmp(name, "id")) {
cgit_query_sha1 = xstrdup(value);
cgit_query_has_sha1 = 1;
} else if (!strcmp(name, "id2")) {
cgit_query_sha2 = xstrdup(value);
cgit_query_has_sha1 = 1;
} else if (!strcmp(name, "ofs")) {
cgit_query_ofs = atoi(value);
} else if (!strcmp(name, "path")) {
cgit_query_path = xstrdup(value);
} else if (!strcmp(name, "name")) {
cgit_query_name = xstrdup(value);
}
}
void *cgit_free_commitinfo(struct commitinfo *info)
{
free(info->author);
free(info->author_email);
free(info->committer);
free(info->committer_email);
free(info->subject);
free(info);
return NULL;
}
int hextoint(char c)
{
if (c >= 'a' && c <= 'f')
return 10 + c - 'a';
else if (c >= 'A' && c <= 'F')
return 10 + c - 'A';
else if (c >= '0' && c <= '9')
return c - '0';
else
return -1;
}
void cgit_diff_tree_cb(struct diff_queue_struct *q,
struct diff_options *options, void *data)
{
int i;
for (i = 0; i < q->nr; i++) {
if (q->queue[i]->status == 'U')
continue;
((filepair_fn)data)(q->queue[i]);
}
}
static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
{
enum object_type type;
if (is_null_sha1(sha1)) {
file->ptr = (char *)"";
file->size = 0;
} else {
file->ptr = read_sha1_file(sha1, &type, &file->size);
}
return 1;
}
/*
* Receive diff-buffers from xdiff and concatenate them as
* needed across multiple callbacks.
*
* This is basically a copy of xdiff-interface.c/xdiff_outf(),
* ripped from git and modified to use globals instead of
* a special callback-struct.
*/
char *diffbuf = NULL;
int buflen = 0;
int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
{
int i;
for (i = 0; i < nbuf; i++) {
if (mb[i].ptr[mb[i].size-1] != '\n') {
/* Incomplete line */
diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
buflen += mb[i].size;
continue;
}
/* we have a complete line */
if (!diffbuf) {
((linediff_fn)priv)(mb[i].ptr, mb[i].size);
continue;