"); - html_txt(title);

X-Git-Url: https://gitweb.ps.run/ps-cgit/blobdiff_plain/0d169ada2ba81210ab1191a5f2212662e90db77e..23734c5a2b607dca2d634cafdc63202a687f26d3:/cgit.c diff --git a/cgit.c b/cgit.c index 4c14f77..9535abc 100644 --- a/cgit.c +++ b/cgit.c @@ -1,410 +1,185 @@ -#include "cgit.h" - -static const char cgit_doctype[] = -"\n"; - -static const char cgit_error[] = -"

"; - -static const char cgit_lib_error[] = -"

%s: %s

"; - - -char *cgit_root = "/var/git"; -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_virtual_root = NULL; - -char *cgit_repo_name = NULL; -char *cgit_repo_desc = NULL; -char *cgit_repo_owner = NULL; - -char *cgit_query_repo = NULL; -char *cgit_query_page = NULL; -char *cgit_query_head = NULL; - -int cgit_parse_query(char *txt, configfn fn) -{ - char *t = txt, *value = NULL, c; - - if (!txt) - return 0; - - while((c=*t) != '\0') { - if (c=='=') { - *t = '\0'; - value = t+1; - } else if (c=='&') { - *t = '\0'; - (*fn)(txt, value); - txt = t+1; - value = NULL; - } - t++; - } - if (t!=txt) - (*fn)(txt, value); - return 0; -} +/* 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) + */ -void cgit_global_config_cb(const char *name, const char *value) -{ - if (!strcmp(name, "root")) - cgit_root = xstrdup(value); - else 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, "virtual-root")) - cgit_virtual_root = 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, "h")) - cgit_query_head = xstrdup(value); -} - -char *cgit_repourl(const char *reponame) -{ - if (cgit_virtual_root) { - return fmt("%s/%s/", cgit_virtual_root, reponame); - } else { - return fmt("?r=%s", reponame); - } -} +#include "cgit.h" -char *cgit_pageurl(const char *reponame, const char *pagename, - const char *query) -{ - if (cgit_virtual_root) { - return fmt("%s/%s/%s/?%s", cgit_virtual_root, reponame, - pagename, query); - } else { - return fmt("?r=%s&p=%s&%s", reponame, pagename, query); - } -} +const char cgit_version[] = CGIT_VERSION; -static int cgit_print_branch_cb(const char *refname, const unsigned char *sha1, - int flags, void *cb_data) +static void cgit_prepare_cache(struct cacheitem *item) { - struct commit *commit; - char buf[256], *url; - - commit = lookup_commit(sha1); - if (commit && !parse_commit(commit)){ - html(""); - url = cgit_pageurl(cgit_query_repo, "log", - fmt("h=%s", refname)); - html_link_open(url, NULL, NULL); - strncpy(buf, refname, sizeof(buf)); - html_txt(buf); - html_link_close(); - html(""); - pretty_print_commit(CMIT_FMT_ONELINE, commit, ~0, buf, - sizeof(buf), 0, NULL, NULL, 0); - html_txt(buf); - html("\n"); + if (!cgit_query_repo) { + item->name = xstrdup(fmt("%s/index.html", cgit_cache_root)); + item->ttl = cgit_cache_root_ttl; + } else if (!cgit_query_page) { + item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root, + cgit_query_repo)); + item->ttl = cgit_cache_repo_ttl; } else { - html(""); - html_txt(buf); - html(""); - htmlf("*** bad ref %s", sha1_to_hex(sha1)); - html("\n"); + item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root, + cgit_query_repo, 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 0; -} - -static void cgit_print_docstart(char *title) -{ - html("Content-Type: text/html; charset=utf-8\n"); - html("\n"); - html(cgit_doctype); - html("\n"); - html("\n"); - html(""); - html_txt(title); - html("\n"); - html("\n"); - html("\n"); - html("\n"); } -static void cgit_print_docend() +static void cgit_print_repo_page(struct cacheitem *item) { - html("\n\n"); -} - -static void cgit_print_pageheader(char *title) -{ - html(""); -} - -static void cgit_print_repolist() -{ - DIR *d; - struct dirent *de; - struct stat st; - char *name; - - cgit_print_docstart(cgit_root_title); - cgit_print_pageheader(cgit_root_title); - - if (!(d = opendir("."))) { - htmlf(cgit_lib_error, "Unable to scan repository directory", - strerror(errno)); + if (chdir(fmt("%s/%s", cgit_root, cgit_query_repo)) || + cgit_read_config("info/cgit", cgit_repo_config_cb)) { + char *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; } - - html("

Repositories

\n"); - html(""); - html("\n"); - while ((de = readdir(d)) != NULL) { - if (de->d_name[0] == '.') - continue; - if (stat(de->d_name, &st) < 0) - continue; - if (!S_ISDIR(st.st_mode)) - continue; - - cgit_repo_name = cgit_repo_desc = cgit_repo_owner = NULL; - name = fmt("%s/.git/info/cgit", de->d_name); - if (cgit_read_config(name, cgit_repo_config_cb)) - continue; - - html("\n"); + setenv("GIT_DIR", fmt("%s/%s", cgit_root, cgit_query_repo), 1); + char *title = fmt("%s - %s", cgit_repo_name, cgit_repo_desc); + int show_search = 0; + if (cgit_query_page && !strcmp(cgit_query_page, "log")) + show_search = 1; + cgit_print_docstart(title, item); + cgit_print_pageheader(title, show_search); + if (!cgit_query_page) { + cgit_print_summary(); + } else if (!strcmp(cgit_query_page, "log")) { + cgit_print_log(cgit_query_head, cgit_query_ofs, 100, 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); + } else if (!strcmp(cgit_query_page, "diff")) { + cgit_print_diff(cgit_query_sha1, cgit_query_sha2); } - closedir(d); - html("

Name	Description	Owner
"); - html_link_open(cgit_repourl(de->d_name), NULL, NULL); - html_txt(cgit_repo_name); - html_link_close(); - html("	"); - html_txt(cgit_repo_desc); - html("	"); - html_txt(cgit_repo_owner); - html("

"); cgit_print_docend(); } -static void cgit_print_branches() +static void cgit_fill_cache(struct cacheitem *item) { - html(""); - html("\n"); - for_each_branch_ref(cgit_print_branch_cb, NULL); - html("

Branch name	Head commit

"); -} + static char buf[PATH_MAX]; -static int get_one_line(char *txt) -{ - char *t; - - for(t=txt; *t != '\n' && t != '\0'; t++) - ; - *t = '\0'; - return t-txt-1; + getcwd(buf, sizeof(buf)); + htmlfd = item->fd; + item->st.st_mtime = time(NULL); + if (cgit_query_repo) + cgit_print_repo_page(item); + else + cgit_print_repolist(item); + chdir(buf); } -static void cgit_print_commit_shortlog(struct commit *commit) +static void cgit_check_cache(struct cacheitem *item) { - char *h, *t, *p; - char *tree = NULL, *author = NULL, *subject = NULL; - int len; - time_t sec; - struct tm *time; - char buf[32]; + int i = 0; - h = t = commit->buffer; - - if (strncmp(h, "tree ", 5)) - die("Bad commit format: %s", - sha1_to_hex(commit->object.sha1)); - - len = get_one_line(h); - tree = h+5; - h += len + 2; - - while (!strncmp(h, "parent ", 7)) - h += get_one_line(h) + 2; - - if (!strncmp(h, "author ", 7)) { - author = h+7; - h += get_one_line(h) + 2; - t = author; - while(t!=h && *t!='<') - t++; - *t='\0'; - p = t; - while(--t!=author && *t==' ') - *t='\0'; - while(++p!=h && *p!='>') - ; - while(++p!=h && !isdigit(*p)) - ; - - t = p; - while(++p && isdigit(*p)) - ; - *p = '\0'; - sec = atoi(t); - time = gmtime(&sec); + top: + if (++i > cgit_max_lock_attempts) { + die("cgit_refresh_cache: unable to lock %s: %s", + item->name, strerror(errno)); } - - while((len = get_one_line(h)) > 0) - h += len+2; - - h++; - len = get_one_line(h); - - subject = h; - - html(""); - strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", time); - html_txt(buf); - html(""); - char *qry = fmt("h=%s", sha1_to_hex(commit->object.sha1)); - char *url = cgit_pageurl(cgit_query_repo, "view", qry); - html_link_open(url, NULL, NULL); - html_txt(subject); - html_link_close(); - html(""); - html_txt(author); - html("\n"); -} - -static void cgit_print_log(const char *tip, int ofs, int cnt) -{ - struct rev_info rev; - struct commit *commit; - const char *argv[2] = {NULL, tip}; - int n = 0; - - init_revisions(&rev, NULL); - rev.abbrev = DEFAULT_ABBREV; - rev.commit_format = CMIT_FMT_DEFAULT; - rev.verbose_header = 1; - rev.show_root_diff = 0; - setup_revisions(2, argv, &rev, NULL); - prepare_revision_walk(&rev); - - html("

Log

"); - html(""); - html("\n"); - while ((commit = get_revision(&rev)) != NULL && n++ < 100) { - cgit_print_commit_shortlog(commit); - free(commit->buffer); - commit->buffer = NULL; - free_commit_list(commit->parents); - commit->parents = NULL; + if (!cache_exist(item)) { + if (!cache_lock(item)) { + sleep(1); + goto top; + } + if (!cache_exist(item)) { + cgit_fill_cache(item); + cache_unlock(item); + } else { + cache_cancel_lock(item); + } + } else if (cache_expired(item) && cache_lock(item)) { + if (cache_expired(item)) { + cgit_fill_cache(item); + cache_unlock(item); + } else { + cache_cancel_lock(item); + } } - html("

Date	Message	Author

\n"); } -static void cgit_print_repo_summary() +static void cgit_print_cache(struct cacheitem *item) { - html("

"); - html_txt("Repo summary page"); - html("

"); - cgit_print_branches(); -} - -static void cgit_print_object(char *hex) -{ - unsigned char sha1[20]; - //struct object *object; - char type[20]; - unsigned char *buf; - unsigned long size; + static char buf[4096]; + ssize_t i; - if (get_sha1_hex(hex, sha1)){ - htmlf(cgit_error, "Bad hex value"); - return; - } + int fd = open(item->name, O_RDONLY); + if (fd<0) + die("Unable to open cached file %s", item->name); - if (sha1_object_info(sha1, type, NULL)){ - htmlf(cgit_error, "Bad object name"); - return; - } + while((i=read(fd, buf, sizeof(buf))) > 0) + write(STDOUT_FILENO, buf, i); - buf = read_sha1_file(sha1, type, &size); - if (!buf) { - htmlf(cgit_error, "Error reading object"); - return; - } - - buf[size] = '\0'; - html("

Object view

"); - htmlf("sha1=%s
type=%s
size=%i
", hex, type, size); - html("

");
-	html_txt(buf);
-	html("

"); + close(fd); } -static void cgit_print_repo_page() +static void cgit_parse_args(int argc, const char **argv) { - if (chdir(cgit_query_repo) || - cgit_read_config(".git/info/cgit", cgit_repo_config_cb)) { - char *title = fmt("%s - %s", cgit_root_title, "Bad request"); - cgit_print_docstart(title); - cgit_print_pageheader(title); - htmlf(cgit_lib_error, "Unable to scan repository", - strerror(errno)); - cgit_print_docend(); - return; - } - - char *title = fmt("%s - %s", cgit_repo_name, cgit_repo_desc); - cgit_print_docstart(title); - cgit_print_pageheader(title); - if (!cgit_query_page) - cgit_print_repo_summary(); - else if (!strcmp(cgit_query_page, "log")) { - cgit_print_log(cgit_query_head, 0, 100); - } else if (!strcmp(cgit_query_page, "view")) { - cgit_print_object(cgit_query_head); + int i; + + for (i = 1; i < argc; i++) { + if (!strncmp(argv[i], "--root=", 7)) { + cgit_root = xstrdup(argv[i]+7); + } + 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); + } } - cgit_print_docend(); } int main(int argc, const char **argv) { - if (cgit_read_config("/etc/cgitrc", cgit_global_config_cb)) - die("Error reading config: %d %s", errno, strerror(errno)); + struct cacheitem item; - chdir(cgit_root); - cgit_parse_query(getenv("QUERY_STRING"), cgit_querystring_cb); - if (cgit_query_repo) - cgit_print_repo_page(); - else - cgit_print_repolist(); + cgit_read_config("/etc/cgitrc", cgit_global_config_cb); + if (getenv("QUERY_STRING")) + cgit_querystring = xstrdup(getenv("QUERY_STRING")); + cgit_parse_args(argc, argv); + cgit_parse_query(cgit_querystring, cgit_querystring_cb); + + cgit_prepare_cache(&item); + if (cgit_nocache) { + item.fd = STDOUT_FILENO; + cgit_fill_cache(&item); + } else { + cgit_check_cache(&item); + cgit_print_cache(&item); + } return 0; }