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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
@@ -206,6 +206,7 @@ static void prepare_context(struct cgit_context *ctx)
206 ctx->page.size = 0; 206 ctx->page.size = 0;
207 ctx->page.modified = time(NULL); 207 ctx->page.modified = time(NULL);
208 ctx->page.expires = ctx->page.modified; 208 ctx->page.expires = ctx->page.modified;
209 ctx->page.etag = NULL;
209} 210}
210 211
211struct refmatch { 212struct refmatch {
@@ -431,6 +432,7 @@ static int calc_ttl()
431int main(int argc, const char **argv) 432int main(int argc, const char **argv)
432{ 433{
433 const char *cgit_config_env = getenv("CGIT_CONFIG"); 434 const char *cgit_config_env = getenv("CGIT_CONFIG");
435 const char *method = getenv("REQUEST_METHOD");
434 const char *path; 436 const char *path;
435 char *qry; 437 char *qry;
436 int err, ttl; 438 int err, ttl;
@@ -477,6 +479,8 @@ int main(int argc, const char **argv)
477 479
478 ttl = calc_ttl(); 480 ttl = calc_ttl();
479 ctx.page.expires += ttl*60; 481 ctx.page.expires += ttl*60;
482 if (method && !strcmp(method, "HEAD"))
483 ctx.cfg.nocache = 1;
480 if (ctx.cfg.nocache) 484 if (ctx.cfg.nocache)
481 ctx.cfg.cache_size = 0; 485 ctx.cfg.cache_size = 0;
482 err = cache_process(ctx.cfg.cache_size, ctx.cfg.cache_root, 486 err = cache_process(ctx.cfg.cache_size, ctx.cfg.cache_root,
diff --git a/cgit.h b/cgit.h
index 00aca4c..07a277a 100644
--- a/cgit.h
+++ b/cgit.h
@@ -180,6 +180,7 @@ struct cgit_page {
180 char *mimetype; 180 char *mimetype;
181 char *charset; 181 char *charset;
182 char *filename; 182 char *filename;
183 char *etag;
183 char *title; 184 char *title;
184 int status; 185 int status;
185 char *statusmsg; 186 char *statusmsg;
diff --git a/ui-plain.c b/ui-plain.c
index 9a9ae7d..93a3a05 100644
--- a/ui-plain.c
+++ b/ui-plain.c
@@ -37,6 +37,7 @@ static void print_object(const unsigned char *sha1, const char *path)
37 ctx.page.mimetype = "text/plain"; 37 ctx.page.mimetype = "text/plain";
38 ctx.page.filename = fmt("%s", path); 38 ctx.page.filename = fmt("%s", path);
39 ctx.page.size = size; 39 ctx.page.size = size;
40 ctx.page.etag = sha1_to_hex(sha1);
40 cgit_print_http_headers(&ctx); 41 cgit_print_http_headers(&ctx);
41 html_raw(buf, size); 42 html_raw(buf, size);
42 match = 1; 43 match = 1;
diff --git a/ui-shared.c b/ui-shared.c
index 29036d0..10be3c0 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -467,6 +467,8 @@ void cgit_print_age(time_t t, time_t max_relative, char *format)
467 467
468void cgit_print_http_headers(struct cgit_context *ctx) 468void cgit_print_http_headers(struct cgit_context *ctx)
469{ 469{
470 const char *method = getenv("REQUEST_METHOD");
471
470 if (ctx->page.status) 472 if (ctx->page.status)
471 htmlf("Status: %d %s\n", ctx->page.status, ctx->page.statusmsg); 473 htmlf("Status: %d %s\n", ctx->page.status, ctx->page.statusmsg);
472 if (ctx->page.mimetype && ctx->page.charset) 474 if (ctx->page.mimetype && ctx->page.charset)
@@ -481,7 +483,11 @@ void cgit_print_http_headers(struct cgit_context *ctx)
481 ctx->page.filename); 483 ctx->page.filename);
482 htmlf("Last-Modified: %s\n", http_date(ctx->page.modified)); 484 htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
483 htmlf("Expires: %s\n", http_date(ctx->page.expires)); 485 htmlf("Expires: %s\n", http_date(ctx->page.expires));
486 if (ctx->page.etag)
487 htmlf("ETag: \"%s\"\n", ctx->page.etag);
484 html("\n"); 488 html("\n");
489 if (method && !strcmp(method, "HEAD"))
490 exit(0);
485} 491}
486 492
487void cgit_print_docstart(struct cgit_context *ctx) 493void cgit_print_docstart(struct cgit_context *ctx)