···

       
57
       
57
       
 
       


     

       
58
       
58
       
 
       
    def check_etag(url):

     

       
59
       
59
       
 
       
        etag = webserver.succeed(

     

       
60
       
60
       
-
       
            "curl -v '{}' 2>&1 | sed -n -e \"s/^< [Ee][Tt][Aa][Gg]: *//p\"".format(url)

     

       
60
       
60
       
+
       
            "curl --fail -v '{}' 2>&1 | sed -n -e \"s/^< [Ee][Tt][Aa][Gg]: *//p\"".format(

     

       
61
       
61
       
+
       
                url

     

       
62
       
62
       
+
       
            )

     

       
61
       
63
       
 
       
        )

     

       
62
       
64
       
 
       
        etag = etag.replace("\r\n", " ")

     

       
63
       
65
       
 
       
        http_code = webserver.succeed(

     

       
64
       
64
       
-
       
            "curl --silent --show-error -o /dev/null -w \"%{{http_code}}\" --head -H 'If-None-Match: {}' {}".format(

     

       
66
       
66
       
+
       
            "curl --fail --silent --show-error -o /dev/null -w \"%{{http_code}}\" --head -H 'If-None-Match: {}' {}".format(

     

       
65
       
67
       
 
       
                etag, url

     

       
66
       
68
       
 
       
            )

     

       
67
       
69
       
 
       
        )