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-rw-r--r--cgit.c4
-rw-r--r--cgit.h1
-rw-r--r--ui-plain.c1
-rw-r--r--ui-shared.c6
4 files changed, 12 insertions, 0 deletions
diff --git a/cgit.c b/cgit.c
index 19adadd..ae20257 100644
--- a/cgit.c
+++ b/cgit.c
@@ -185,48 +185,49 @@ static void prepare_context(struct cgit_context *ctx)
ctx->cfg.css = "/cgit.css";
ctx->cfg.logo = "/git-logo.png";
ctx->cfg.local_time = 0;
ctx->cfg.max_repo_count = 50;
ctx->cfg.max_commit_count = 50;
ctx->cfg.max_lock_attempts = 5;
ctx->cfg.max_msg_len = 80;
ctx->cfg.max_repodesc_len = 80;
ctx->cfg.max_stats = 0;
ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s";
ctx->cfg.renamelimit = -1;
ctx->cfg.robots = "index, nofollow";
ctx->cfg.root_title = "Git repository browser";
ctx->cfg.root_desc = "a fast webinterface for the git dscm";
ctx->cfg.script_name = CGIT_SCRIPT_NAME;
ctx->cfg.summary_branches = 10;
ctx->cfg.summary_log = 10;
ctx->cfg.summary_tags = 10;
ctx->page.mimetype = "text/html";
ctx->page.charset = PAGE_ENCODING;
ctx->page.filename = NULL;
ctx->page.size = 0;
ctx->page.modified = time(NULL);
ctx->page.expires = ctx->page.modified;
+ ctx->page.etag = NULL;
}
struct refmatch {
char *req_ref;
char *first_ref;
int match;
};
int find_current_ref(const char *refname, const unsigned char *sha1,
int flags, void *cb_data)
{
struct refmatch *info;
info = (struct refmatch *)cb_data;
if (!strcmp(refname, info->req_ref))
info->match = 1;
if (!info->first_ref)
info->first_ref = xstrdup(refname);
return info->match;
}
char *find_default_branch(struct cgit_repo *repo)
{
struct refmatch info;
@@ -410,79 +411,82 @@ static void cgit_parse_args(int argc, const char **argv)
exit(0);
}
}
static int calc_ttl()
{
if (!ctx.repo)
return ctx.cfg.cache_root_ttl;
if (!ctx.qry.page)
return ctx.cfg.cache_repo_ttl;
if (ctx.qry.has_symref)
return ctx.cfg.cache_dynamic_ttl;
if (ctx.qry.has_sha1)
return ctx.cfg.cache_static_ttl;
return ctx.cfg.cache_repo_ttl;
}
int main(int argc, const char **argv)
{
const char *cgit_config_env = getenv("CGIT_CONFIG");
+ const char *method = getenv("REQUEST_METHOD");
const char *path;
char *qry;
int err, ttl;
prepare_context(&ctx);
cgit_repolist.length = 0;
cgit_repolist.count = 0;
cgit_repolist.repos = NULL;
if (getenv("SCRIPT_NAME"))
ctx.cfg.script_name = xstrdup(getenv("SCRIPT_NAME"));
if (getenv("QUERY_STRING"))
ctx.qry.raw = xstrdup(getenv("QUERY_STRING"));
cgit_parse_args(argc, argv);
parse_configfile(cgit_config_env ? cgit_config_env : CGIT_CONFIG,
config_cb);
ctx.repo = NULL;
http_parse_querystring(ctx.qry.raw, querystring_cb);
/* If virtual-root isn't specified in cgitrc, lets pretend
* that virtual-root equals SCRIPT_NAME.
*/
if (!ctx.cfg.virtual_root)
ctx.cfg.virtual_root = ctx.cfg.script_name;
/* If no url parameter is specified on the querystring, lets
* use PATH_INFO as url. This allows cgit to work with virtual
* urls without the need for rewriterules in the webserver (as
* long as PATH_INFO is included in the cache lookup key).
*/
path = getenv("PATH_INFO");
if (!ctx.qry.url && path) {
if (path[0] == '/')
path++;
ctx.qry.url = xstrdup(path);
if (ctx.qry.raw) {
qry = ctx.qry.raw;
ctx.qry.raw = xstrdup(fmt("%s?%s", path, qry));
free(qry);
} else
ctx.qry.raw = ctx.qry.url;
cgit_parse_url(ctx.qry.url);
}
ttl = calc_ttl();
ctx.page.expires += ttl*60;
+ if (method && !strcmp(method, "HEAD"))
+ ctx.cfg.nocache = 1;
if (ctx.cfg.nocache)
ctx.cfg.cache_size = 0;
err = cache_process(ctx.cfg.cache_size, ctx.cfg.cache_root,
ctx.qry.raw, ttl, process_request, &ctx);
if (err)
cgit_print_error(fmt("Error processing page: %s (%d)",
strerror(err), err));
return err;
}
diff --git a/cgit.h b/cgit.h
index 00aca4c..07a277a 100644
--- a/cgit.h
+++ b/cgit.h
@@ -159,48 +159,49 @@ struct cgit_config {
int enable_log_filecount;
int enable_log_linecount;
int local_time;
int max_repo_count;
int max_commit_count;
int max_lock_attempts;
int max_msg_len;
int max_repodesc_len;
int max_stats;
int nocache;
int renamelimit;
int snapshots;
int summary_branches;
int summary_log;
int summary_tags;
};
struct cgit_page {
time_t modified;
time_t expires;
size_t size;
char *mimetype;
char *charset;
char *filename;
+ char *etag;
char *title;
int status;
char *statusmsg;
};
struct cgit_context {
struct cgit_query qry;
struct cgit_config cfg;
struct cgit_repo *repo;
struct cgit_page page;
};
struct cgit_snapshot_format {
const char *suffix;
const char *mimetype;
write_archive_fn_t write_func;
int bit;
};
extern const char *cgit_version;
extern struct cgit_repolist cgit_repolist;
extern struct cgit_context ctx;
extern const struct cgit_snapshot_format cgit_snapshot_formats[];
diff --git a/ui-plain.c b/ui-plain.c
index 9a9ae7d..93a3a05 100644
--- a/ui-plain.c
+++ b/ui-plain.c
@@ -16,48 +16,49 @@ int match;
static void print_object(const unsigned char *sha1, const char *path)
{
enum object_type type;
char *buf;
unsigned long size;
type = sha1_object_info(sha1, &size);
if (type == OBJ_BAD) {
html_status(404, "Not found", 0);
return;
}
buf = read_sha1_file(sha1, &type, &size);
if (!buf) {
html_status(404, "Not found", 0);
return;
}
if (buffer_is_binary(buf, size))
ctx.page.mimetype = "application/octet-stream";
else
ctx.page.mimetype = "text/plain";
ctx.page.filename = fmt("%s", path);
ctx.page.size = size;
+ ctx.page.etag = sha1_to_hex(sha1);
cgit_print_http_headers(&ctx);
html_raw(buf, size);
match = 1;
}
static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
const char *pathname, unsigned mode, int stage,
void *cbdata)
{
if (S_ISDIR(mode))
return READ_TREE_RECURSIVE;
if (S_ISREG(mode))
print_object(sha1, pathname);
return 0;
}
void cgit_print_plain(struct cgit_context *ctx)
{
const char *rev = ctx->qry.sha1;
unsigned char sha1[20];
struct commit *commit;
const char *paths[] = {ctx->qry.path, NULL};
diff --git a/ui-shared.c b/ui-shared.c
index 29036d0..10be3c0 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -446,63 +446,69 @@ void cgit_print_age(time_t t, time_t max_relative, char *format)
secs * 1.0 / TM_HOUR);
return;
}
if (secs < TM_WEEK * 2) {
htmlf("<span class='age-days'>%.0f days</span>",
secs * 1.0 / TM_DAY);
return;
}
if (secs < TM_MONTH * 2) {
htmlf("<span class='age-weeks'>%.0f weeks</span>",
secs * 1.0 / TM_WEEK);
return;
}
if (secs < TM_YEAR * 2) {
htmlf("<span class='age-months'>%.0f months</span>",
secs * 1.0 / TM_MONTH);
return;
}
htmlf("<span class='age-years'>%.0f years</span>",
secs * 1.0 / TM_YEAR);
}
void cgit_print_http_headers(struct cgit_context *ctx)
{
+ const char *method = getenv("REQUEST_METHOD");
+
if (ctx->page.status)
htmlf("Status: %d %s\n", ctx->page.status, ctx->page.statusmsg);
if (ctx->page.mimetype && ctx->page.charset)
htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,
ctx->page.charset);
else if (ctx->page.mimetype)
htmlf("Content-Type: %s\n", ctx->page.mimetype);
if (ctx->page.size)
htmlf("Content-Length: %ld\n", ctx->page.size);
if (ctx->page.filename)
htmlf("Content-Disposition: inline; filename=\"%s\"\n",
ctx->page.filename);
htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
htmlf("Expires: %s\n", http_date(ctx->page.expires));
+ if (ctx->page.etag)
+ htmlf("ETag: \"%s\"\n", ctx->page.etag);
html("\n");
+ if (method && !strcmp(method, "HEAD"))
+ exit(0);
}
void cgit_print_docstart(struct cgit_context *ctx)
{
char *host = cgit_hosturl();
html(cgit_doctype);
html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
html("<head>\n");
html("<title>");
html_txt(ctx->page.title);
html("</title>\n");
htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
if (ctx->cfg.robots && *ctx->cfg.robots)
htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots);
html("<link rel='stylesheet' type='text/css' href='");
html_attr(ctx->cfg.css);
html("'/>\n");
if (ctx->cfg.favicon) {
html("<link rel='shortcut icon' href='");
html_attr(ctx->cfg.favicon);
html("'/>\n");
}
if (host && ctx->repo) {
html("<link rel='alternate' title='Atom feed' href='");