packed_object_info_detail(): check for corrupt packfile.

diff --git a/connect.c b/connect.c
index 93f6f80d3e8c5f1592353b6feadb9de2c768b649..6a8f8a6a24dd8894cfcb7e89d8952a9a595d5200 100644 (file)
--- a/connect.c
+++ b/connect.c
@@ -1,3 +1,4 @@
+#include "git-compat-util.h"
 #include "cache.h"
 #include "pkt-line.h"
 #include "quote.h"
@@ -34,10 +35,6 @@ struct ref **get_remote_heads(int in, struct ref **list,
                        die("protocol error: expected sha/ref, got '%s'", buffer);
                name = buffer + 41;
 
-               if (ignore_funny && 45 < len && !memcmp(name, "refs/", 5) &&
-                   check_ref_format(name + 5))
-                       continue;
-
                name_len = strlen(name);
                if (len != name_len + 41) {
                        if (server_capabilities)
@@ -45,6 +42,10 @@ struct ref **get_remote_heads(int in, struct ref **list,
                        server_capabilities = strdup(name + name_len + 1);
                }
 
+               if (ignore_funny && 45 < len && !memcmp(name, "refs/", 5) &&
+                   check_ref_format(name + 5))
+                       continue;
+
                if (nr_match && !path_match(name, nr_match, match))
                        continue;
                ref = xcalloc(1, sizeof(*ref) + len - 40);
@@ -73,7 +74,7 @@ int get_ack(int fd, unsigned char *result_sha1)
                line[--len] = 0;
        if (!strcmp(line, "NAK"))
                return 0;
-       if (!strncmp(line, "ACK ", 3)) {
+       if (!strncmp(line, "ACK ", 4)) {
                if (!get_sha1_hex(line+4, result_sha1)) {
                        if (strstr(line+45, "continue"))
                                return 2;
@@ -561,25 +562,42 @@ int git_connect(int fd[2], char *url, const char *prog)
 {
        char command[1024];
        char *host, *path = url;
-       char *colon = NULL;
+       char *end;
+       int c;
        int pipefd[2][2];
        pid_t pid;
        enum protocol protocol = PROTO_LOCAL;
+       int free_path = 0;
 
        host = strstr(url, "://");
        if(host) {
                *host = '\0';
                protocol = get_protocol(url);
                host += 3;
-               path = strchr(host, '/');
-       }
-       else {
+               c = '/';
+       } else {
                host = url;
-               if ((colon = strchr(host, ':'))) {
+               c = ':';
+       }
+
+       if (host[0] == '[') {
+               end = strchr(host + 1, ']');
+               if (end) {
+                       *end = 0;
+                       end++;
+                       host++;
+               } else
+                       end = host;
+       } else
+               end = host;
+
+       path = strchr(end, c);
+       if (c == ':') {
+               if (path) {
                        protocol = PROTO_SSH;
-                       *colon = '\0';
-                       path = colon + 1;
-               }
+                       *path++ = '\0';
+               } else
+                       path = host;
        }
 
        if (!path || !*path)
@@ -593,16 +611,23 @@ int git_connect(int fd[2], char *url, const char *prog)
                char *ptr = path;
                if (path[1] == '~')
                        path++;
-               else
+               else {
                        path = strdup(ptr);
+                       free_path = 1;
+               }
 
                *ptr = '\0';
        }
 
        if (protocol == PROTO_GIT) {
+               int ret;
                if (git_use_proxy(host))
-                       return git_proxy_connect(fd, prog, host, path);
-               return git_tcp_connect(fd, prog, host, path);
+                       ret = git_proxy_connect(fd, prog, host, path);
+               else
+                       ret = git_tcp_connect(fd, prog, host, path);
+               if (free_path)
+                       free(path);
+               return ret;
        }
 
        if (pipe(pipefd[0]) < 0 || pipe(pipefd[1]) < 0)
@@ -628,14 +653,22 @@ int git_connect(int fd[2], char *url, const char *prog)
                                ssh_basename++;
                        execlp(ssh, ssh_basename, host, command, NULL);
                }
-               else
+               else {
+                       unsetenv(ALTERNATE_DB_ENVIRONMENT);
+                       unsetenv(DB_ENVIRONMENT);
+                       unsetenv(GIT_DIR_ENVIRONMENT);
+                       unsetenv(GRAFT_ENVIRONMENT);
+                       unsetenv(INDEX_ENVIRONMENT);
                        execlp("sh", "sh", "-c", command, NULL);
+               }
                die("exec failed");
-       }               
+       }
        fd[0] = pipefd[0][0];
        fd[1] = pipefd[1][1];
        close(pipefd[0][1]);
        close(pipefd[1][0]);
+       if (free_path)
+               free(path);
        return pid;
 }