connect.c: move duplicated code to a new function 'get_host_and_port'

diff --git a/connect.c b/connect.c
index db965c9982f1f2ae7e08331d3fa1d40e194a6520..f4563f951ac48dcc359071b7c1d68b795b617012 100644 (file)
--- a/connect.c
+++ b/connect.c
@@ -152,6 +152,28 @@ static enum protocol get_protocol(const char *name)
 #define STR_(s)        # s
 #define STR(s) STR_(s)
 
+static void get_host_and_port(char **host, const char **port)
+{
+       char *colon, *end;
+
+       if (*host[0] == '[') {
+               end = strchr(*host + 1, ']');
+               if (end) {
+                       *end = 0;
+                       end++;
+                       (*host)++;
+               } else
+                       end = *host;
+       } else
+               end = *host;
+       colon = strchr(end, ':');
+
+       if (colon) {
+               *colon = 0;
+               *port = colon + 1;
+       }
+}
+
 #ifndef NO_IPV6
 
 static const char *ai_name(const struct addrinfo *ai)
@@ -170,30 +192,14 @@ static const char *ai_name(const struct addrinfo *ai)
 static int git_tcp_connect_sock(char *host, int flags)
 {
        int sockfd = -1, saved_errno = 0;
-       char *colon, *end;
        const char *port = STR(DEFAULT_GIT_PORT);
        struct addrinfo hints, *ai0, *ai;
        int gai;
        int cnt = 0;
 
-       if (host[0] == '[') {
-               end = strchr(host + 1, ']');
-               if (end) {
-                       *end = 0;
-                       end++;
-                       host++;
-               } else
-                       end = host;
-       } else
-               end = host;
-       colon = strchr(end, ':');
-
-       if (colon) {
-               *colon = 0;
-               port = colon + 1;
-               if (!*port)
-                       port = "<none>";
-       }
+       get_host_and_port(&host, &port);
+       if (!*port)
+               port = "<none>";
 
        memset(&hints, 0, sizeof(hints));
        hints.ai_socktype = SOCK_STREAM;
@@ -251,30 +257,15 @@ static int git_tcp_connect_sock(char *host, int flags)
 static int git_tcp_connect_sock(char *host, int flags)
 {
        int sockfd = -1, saved_errno = 0;
-       char *colon, *end;
-       char *port = STR(DEFAULT_GIT_PORT), *ep;
+       const char *port = STR(DEFAULT_GIT_PORT);
+       char *ep;
        struct hostent *he;
        struct sockaddr_in sa;
        char **ap;
        unsigned int nport;
        int cnt;
 
-       if (host[0] == '[') {
-               end = strchr(host + 1, ']');
-               if (end) {
-                       *end = 0;
-                       end++;
-                       host++;
-               } else
-                       end = host;
-       } else
-               end = host;
-       colon = strchr(end, ':');
-
-       if (colon) {
-               *colon = 0;
-               port = colon + 1;
-       }
+       get_host_and_port(&host, &port);
 
        if (flags & CONNECT_VERBOSE)
                fprintf(stderr, "Looking up %s ... ", host);
@@ -406,26 +397,10 @@ static int git_use_proxy(const char *host)
 static void git_proxy_connect(int fd[2], char *host)
 {
        const char *port = STR(DEFAULT_GIT_PORT);
-       char *colon, *end;
        const char *argv[4];
        struct child_process proxy;
 
-       if (host[0] == '[') {
-               end = strchr(host + 1, ']');
-               if (end) {
-                       *end = 0;
-                       end++;
-                       host++;
-               } else
-                       end = host;
-       } else
-               end = host;
-       colon = strchr(end, ':');
-
-       if (colon) {
-               *colon = 0;
-               port = colon + 1;
-       }
+       get_host_and_port(&host, &port);
 
        argv[0] = git_proxy_command;
        argv[1] = host;
@@ -502,12 +477,18 @@ struct child_process *git_connect(int fd[2], const char *url_orig,
                c = ':';
        }
 
+       /*
+        * Don't do destructive transforms with git:// as that
+        * protocol code does '[]' dewrapping of its own.
+        */
        if (host[0] == '[') {
                end = strchr(host + 1, ']');
                if (end) {
-                       *end = 0;
+                       if (protocol != PROTO_GIT) {
+                               *end = 0;
+                               host++;
+                       }
                        end++;
-                       host++;
                } else
                        end = host;
        } else
@@ -613,8 +594,7 @@ struct child_process *git_connect(int fd[2], const char *url_orig,
                        NULL
                };
                conn->env = env;
-               *arg++ = "sh";
-               *arg++ = "-c";
+               conn->use_shell = 1;
        }
        *arg++ = cmd.buf;
        *arg = NULL;