[PATCH] Core: add $nginx_build variable

[Piotr Sikora]

# HG changeset patch
# User Piotr Sikora <piotr at cloudflare.com>
# Date 1435116970 25200
#      Tue Jun 23 20:36:10 2015 -0700
# Node ID 3bbe405ecafcec573957a5afd9f2a75be19d52f0
# Parent  24488e6db782e24b9a30ba31f0b719204e582918
Core: add $nginx_build variable.

Signed-off-by: Piotr Sikora <piotr at cloudflare.com>

diff -r 24488e6db782 -r 3bbe405ecafc src/http/ngx_http_variables.c
--- a/src/http/ngx_http_variables.c	Tue Jun 23 20:17:48 2015 +0300
+++ b/src/http/ngx_http_variables.c	Tue Jun 23 20:36:10 2015 -0700
@@ -123,6 +123,8 @@ static ngx_int_t ngx_http_variable_conne
 
 static ngx_int_t ngx_http_variable_nginx_version(ngx_http_request_t *r,
     ngx_http_variable_value_t *v, uintptr_t data);
+static ngx_int_t ngx_http_variable_nginx_build(ngx_http_request_t *r,
+    ngx_http_variable_value_t *v, uintptr_t data);
 static ngx_int_t ngx_http_variable_hostname(ngx_http_request_t *r,
     ngx_http_variable_value_t *v, uintptr_t data);
 static ngx_int_t ngx_http_variable_pid(ngx_http_request_t *r,
@@ -316,6 +318,9 @@ static ngx_http_variable_t  ngx_http_cor
     { ngx_string("nginx_version"), NULL, ngx_http_variable_nginx_version,
       0, 0, 0 },
 
+    { ngx_string("nginx_build"), NULL, ngx_http_variable_nginx_build,
+      0, 0, 0 },
+
     { ngx_string("hostname"), NULL, ngx_http_variable_hostname,
       0, 0, 0 },
 
@@ -2122,6 +2127,28 @@ ngx_http_variable_nginx_version(ngx_http
 
 
 static ngx_int_t
+ngx_http_variable_nginx_build(ngx_http_request_t *r,
+    ngx_http_variable_value_t *v, uintptr_t data)
+{
+#ifdef NGX_BUILD
+
+    v->len = sizeof(NGX_BUILD) - 1;
+    v->valid = 1;
+    v->no_cacheable = 0;
+    v->not_found = 0;
+    v->data = (u_char *) NGX_BUILD;
+
+#else
+
+    v->not_found = 1;
+
+#endif
+
+    return NGX_OK;
+}
+
+
+static ngx_int_t
 ngx_http_variable_hostname(ngx_http_request_t *r,
     ngx_http_variable_value_t *v, uintptr_t data)
 {