struct command {
struct command *next;
+ unsigned char updated;
unsigned char old_sha1[20];
unsigned char new_sha1[20];
char ref_name[0];
case -ERR_RUN_COMMAND_WAITPID_WRONG_PID:
die("waitpid is confused");
case -ERR_RUN_COMMAND_WAITPID_SIGNAL:
- fprintf(stderr, "%s died of signal", update_hook);
+ fprintf(stderr, "%s died of signal\n", update_hook);
return -1;
case -ERR_RUN_COMMAND_WAITPID_NOEXIT:
die("%s died strangely", update_hook);
}
}
-static void update(const char *name, unsigned char *old_sha1, unsigned char *new_sha1)
+static int update(const char *name,
+ unsigned char *old_sha1, unsigned char *new_sha1)
{
char new_hex[60], *old_hex, *lock_name;
int newfd, namelen, written;
+ if (!strncmp(name, "refs/", 5) && check_ref_format(name + 5))
+ return error("refusing to create funny ref '%s' locally",
+ name);
+
namelen = strlen(name);
lock_name = xmalloc(namelen + 10);
memcpy(lock_name, name, namelen);
strcpy(new_hex, sha1_to_hex(new_sha1));
old_hex = sha1_to_hex(old_sha1);
if (!has_sha1_file(new_sha1))
- die("unpack should have generated %s, but I can't find it!", new_hex);
+ return error("unpack should have generated %s, "
+ "but I can't find it!", new_hex);
+
+ safe_create_leading_directories(lock_name);
newfd = open(lock_name, O_CREAT | O_EXCL | O_WRONLY, 0666);
if (newfd < 0)
- die("unable to create %s (%s)", lock_name, strerror(errno));
+ return error("unable to create %s (%s)",
+ lock_name, strerror(errno));
/* Write the ref with an ending '\n' */
new_hex[40] = '\n';
close(newfd);
if (written != 41) {
unlink(lock_name);
- die("unable to write %s", lock_name);
+ return error("unable to write %s", lock_name);
}
if (verify_old_ref(name, old_hex) < 0) {
unlink(lock_name);
- die("%s changed during push", name);
+ return error("%s changed during push", name);
}
if (run_update_hook(name, old_hex, new_hex)) {
unlink(lock_name);
- fprintf(stderr, "hook declined to update %s\n", name);
+ return error("hook declined to update %s\n", name);
}
else if (rename(lock_name, name) < 0) {
unlink(lock_name);
- die("unable to replace %s", name);
+ return error("unable to replace %s", name);
}
- else
+ else {
fprintf(stderr, "%s: %s -> %s\n", name, old_hex, new_hex);
+ return 0;
+ }
}
+static char update_post_hook[] = "hooks/post-update";
+
+static void run_update_post_hook(struct command *cmd)
+{
+ struct command *cmd_p;
+ int argc;
+ char **argv;
+
+ if (access(update_post_hook, X_OK) < 0)
+ return;
+ for (argc = 1, cmd_p = cmd; cmd_p; cmd_p = cmd_p->next) {
+ if (!cmd_p->updated)
+ continue;
+ argc++;
+ }
+ argv = xmalloc(sizeof(*argv) * (1 + argc));
+ argv[0] = update_post_hook;
+
+ for (argc = 1, cmd_p = cmd; cmd_p; cmd_p = cmd_p->next) {
+ if (!cmd_p->updated)
+ continue;
+ argv[argc] = xmalloc(strlen(cmd_p->ref_name) + 1);
+ strcpy(argv[argc], cmd_p->ref_name);
+ argc++;
+ }
+ argv[argc] = NULL;
+ run_command_v_opt(argc, argv, RUN_COMMAND_NO_STDIO);
+}
/*
* This gets called after(if) we've successfully
struct command *cmd = commands;
while (cmd) {
- update(cmd->ref_name, cmd->old_sha1, cmd->new_sha1);
+ cmd->updated = !update(cmd->ref_name,
+ cmd->old_sha1, cmd->new_sha1);
cmd = cmd->next;
}
- run_update_hook("", NULL, NULL);
+ run_update_post_hook(commands);
}
static void read_head_info(void)
int main(int argc, char **argv)
{
int i;
- const char *dir = NULL;
+ char *dir = NULL;
argv++;
for (i = 1; i < argc; i++) {
- const char *arg = *argv++;
+ char *arg = *argv++;
if (*arg == '-') {
/* Do flag handling here */
if (!dir)
usage(receive_pack_usage);
- /* chdir to the directory. If that fails, try appending ".git" */
- if (chdir(dir) < 0) {
- if (chdir(mkpath("%s.git", dir)) < 0)
- die("unable to cd to %s", dir);
- }
-
- /* If we have a ".git" directory, chdir to it */
- chdir(".git");
- setenv("GIT_DIR", ".", 1);
+ if(!enter_repo(dir, 0))
+ die("'%s': unable to chdir or not a git archive", dir);
- if (access("objects", X_OK) < 0 || access("refs/heads", X_OK) < 0)
- die("%s doesn't appear to be a git directory", dir);
write_head_info();
/* EOF */