diff options
Diffstat (limited to 'connect.c')
| -rw-r--r-- | connect.c | 102 |
1 files changed, 52 insertions, 50 deletions
@@ -8,32 +8,29 @@ #include "connect.h" #include "url.h" #include "string-list.h" +#include "sha1-array.h" static char *server_capabilities; static const char *parse_feature_value(const char *, const char *, int *); -static int check_ref(const char *name, int len, unsigned int flags) +static int check_ref(const char *name, unsigned int flags) { if (!flags) return 1; - if (len < 5 || memcmp(name, "refs/", 5)) + if (!skip_prefix(name, "refs/", &name)) return 0; - /* Skip the "refs/" part */ - name += 5; - len -= 5; - /* REF_NORMAL means that we don't want the magic fake tag refs */ if ((flags & REF_NORMAL) && check_refname_format(name, 0)) return 0; /* REF_HEADS means that we want regular branch heads */ - if ((flags & REF_HEADS) && !memcmp(name, "heads/", 6)) + if ((flags & REF_HEADS) && starts_with(name, "heads/")) return 1; /* REF_TAGS means that we want tags */ - if ((flags & REF_TAGS) && !memcmp(name, "tags/", 5)) + if ((flags & REF_TAGS) && starts_with(name, "tags/")) return 1; /* All type bits clear means that we are ok with anything */ @@ -42,14 +39,7 @@ static int check_ref(const char *name, int len, unsigned int flags) int check_ref_type(const struct ref *ref, int flags) { - return check_ref(ref->name, strlen(ref->name), flags); -} - -static void add_extra_have(struct extra_have_objects *extra, unsigned char *sha1) -{ - ALLOC_GROW(extra->array, extra->nr + 1, extra->alloc); - hashcpy(&(extra->array[extra->nr][0]), sha1); - extra->nr++; + return check_ref(ref->name, flags); } static void die_initial_contact(int got_at_least_one_head) @@ -70,9 +60,7 @@ static void parse_one_symref_info(struct string_list *symref, const char *val, i if (!len) return; /* just "symref" */ /* e.g. "symref=HEAD:refs/heads/master" */ - sym = xmalloc(len + 1); - memcpy(sym, val, len); - sym[len] = '\0'; + sym = xmemdupz(val, len); target = strchr(sym, ':'); if (!target) /* just "symref=something" */ @@ -105,7 +93,7 @@ static void annotate_refs_with_symref_info(struct ref *ref) parse_one_symref_info(&symref, val, len); feature_list = val + 1; } - sort_string_list(&symref); + string_list_sort(&symref); for (; ref; ref = ref->next) { struct string_list_item *item; @@ -122,7 +110,8 @@ static void annotate_refs_with_symref_info(struct ref *ref) */ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len, struct ref **list, unsigned int flags, - struct extra_have_objects *extra_have) + struct sha1_array *extra_have, + struct sha1_array *shallow_points) { struct ref **orig_list = list; int got_at_least_one_head = 0; @@ -134,6 +123,7 @@ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len, char *name; int len, name_len; char *buffer = packet_buffer; + const char *arg; len = packet_read(in, &src_buf, &src_len, packet_buffer, sizeof(packet_buffer), @@ -145,8 +135,17 @@ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len, if (!len) break; - if (len > 4 && !prefixcmp(buffer, "ERR ")) - die("remote error: %s", buffer + 4); + if (len > 4 && skip_prefix(buffer, "ERR ", &arg)) + die("remote error: %s", arg); + + if (len == 48 && skip_prefix(buffer, "shallow ", &arg)) { + if (get_sha1_hex(arg, old_sha1)) + die("protocol error: expected shallow sha-1, got '%s'", arg); + if (!shallow_points) + die("repository on the other end cannot be shallow"); + sha1_array_append(shallow_points, old_sha1); + continue; + } if (len < 42 || get_sha1_hex(buffer, old_sha1) || buffer[40] != ' ') die("protocol error: expected sha/ref, got '%s'", buffer); @@ -160,11 +159,11 @@ struct ref **get_remote_heads(int in, char *src_buf, size_t src_len, if (extra_have && name_len == 5 && !memcmp(".have", name, 5)) { - add_extra_have(extra_have, old_sha1); + sha1_array_append(extra_have, old_sha1); continue; } - if (!check_ref(name, name_len, flags)) + if (!check_ref(name, flags)) continue; ref = alloc_ref(buffer + 41); hashcpy(ref->old_sha1, old_sha1); @@ -530,22 +529,19 @@ static int git_use_proxy(const char *host) static struct child_process *git_proxy_connect(int fd[2], char *host) { const char *port = STR(DEFAULT_GIT_PORT); - const char **argv; struct child_process *proxy; get_host_and_port(&host, &port); - argv = xmalloc(sizeof(*argv) * 4); - argv[0] = git_proxy_command; - argv[1] = host; - argv[2] = port; - argv[3] = NULL; - proxy = xcalloc(1, sizeof(*proxy)); - proxy->argv = argv; + proxy = xmalloc(sizeof(*proxy)); + child_process_init(proxy); + argv_array_push(&proxy->args, git_proxy_command); + argv_array_push(&proxy->args, host); + argv_array_push(&proxy->args, port); proxy->in = -1; proxy->out = -1; if (start_command(proxy)) - die("cannot start proxy %s", argv[0]); + die("cannot start proxy %s", git_proxy_command); fd[0] = proxy->out; /* read from proxy stdout */ fd[1] = proxy->in; /* write to proxy stdin */ return proxy; @@ -640,7 +636,7 @@ static enum protocol parse_connect_url(const char *url_orig, char **ret_host, return protocol; } -static struct child_process no_fork; +static struct child_process no_fork = CHILD_PROCESS_INIT; /* * This returns a dummy child_process if the transport protocol does not @@ -659,7 +655,6 @@ struct child_process *git_connect(int fd[2], const char *url, char *hostandport, *path; struct child_process *conn = &no_fork; enum protocol protocol; - const char **arg; struct strbuf cmd = STRBUF_INIT; /* Without this we cannot rely on waitpid() to tell @@ -696,40 +691,48 @@ struct child_process *git_connect(int fd[2], const char *url, target_host, 0); free(target_host); } else { - conn = xcalloc(1, sizeof(*conn)); + conn = xmalloc(sizeof(*conn)); + child_process_init(conn); strbuf_addstr(&cmd, prog); strbuf_addch(&cmd, ' '); sq_quote_buf(&cmd, path); conn->in = conn->out = -1; - conn->argv = arg = xcalloc(7, sizeof(*arg)); if (protocol == PROTO_SSH) { - const char *ssh = getenv("GIT_SSH"); - int putty = ssh && strcasestr(ssh, "plink"); + const char *ssh; + int putty; char *ssh_host = hostandport; const char *port = NULL; get_host_and_port(&ssh_host, &port); port = get_port_numeric(port); - if (!ssh) ssh = "ssh"; + ssh = getenv("GIT_SSH_COMMAND"); + if (ssh) { + conn->use_shell = 1; + putty = 0; + } else { + ssh = getenv("GIT_SSH"); + if (!ssh) + ssh = "ssh"; + putty = !!strcasestr(ssh, "plink"); + } - *arg++ = ssh; + argv_array_push(&conn->args, ssh); if (putty && !strcasestr(ssh, "tortoiseplink")) - *arg++ = "-batch"; + argv_array_push(&conn->args, "-batch"); if (port) { /* P is for PuTTY, p is for OpenSSH */ - *arg++ = putty ? "-P" : "-p"; - *arg++ = port; + argv_array_push(&conn->args, putty ? "-P" : "-p"); + argv_array_push(&conn->args, port); } - *arg++ = ssh_host; - } else { + argv_array_push(&conn->args, ssh_host); + } else { /* remove repo-local variables from the environment */ conn->env = local_repo_env; conn->use_shell = 1; } - *arg++ = cmd.buf; - *arg = NULL; + argv_array_push(&conn->args, cmd.buf); if (start_command(conn)) die("unable to fork"); @@ -755,7 +758,6 @@ int finish_connect(struct child_process *conn) return 0; code = finish_command(conn); - free(conn->argv); free(conn); return code; } |