chore: some cleanup

yes. I made the cardinal sin. I am using a goto.

src/main.c

@@ -14,52 +14,71 @@
 threadpool* pool = NULL;
 char* log_dir = "./"; // NOTE: must end with a /
 
-void executor(void* data) {
-    const pipeline_event* const e = data;
-    pid_t pid;
+char* create_pipeline_id() {
     uuid_t uuid;
     uuid_generate(uuid);
     char* pipeline_id = malloc(32);
     uuid_unparse_lower(uuid, pipeline_id);
-    posix_spawn_file_actions_t actions;
-    posix_spawn_file_actions_init(&actions);
+    return pipeline_id;
+}
+
+optional_int open_logfile(const char* const pipeline_id) {
+    optional_int result;
+    result.has_value = false;
+    result.value = 0;
     char* log_file = join(pipeline_id, ".log");
     char* log_filepath = join(log_dir, log_file);
     int fd = open(log_filepath, O_WRONLY | O_CREAT | O_TRUNC, 0644);
-    if (fd == -1) {
+    if (fd != -1) {
+        result.has_value = true;
+        result.value = fd;
+    } else
         perror("open");
-        return;
+    free(log_file);
+    free(log_filepath);
+    return result;
 }
-    posix_spawn_file_actions_adddup2(&actions, fd, STDOUT_FILENO);
-    posix_spawn_file_actions_adddup2(&actions, fd, STDERR_FILENO);
+
+void executor(void* data) {
+    // Create pipeline id
+    char* pipeline_id = create_pipeline_id();
+
+    // Create logfile path
+    optional_int fd = open_logfile(pipeline_id);
+    if(!fd.has_value)
+        return;
+
+    // spawn the process
+    pid_t pid;
+    posix_spawn_file_actions_t actions;
+    posix_spawn_file_actions_init(&actions);
+    posix_spawn_file_actions_adddup2(&actions, fd.value, STDOUT_FILENO);
+    posix_spawn_file_actions_adddup2(&actions, fd.value, STDERR_FILENO);
+    const pipeline_event* const e = data;
     char* name = join("SCI_PIPELINE_NAME=", e->name);
     char* url = join("SCI_PIPELINE_URL=", e->url);
     char* trigger = join("SCI_PIPELINE_TRIGGER=", e->trigger);
     char* id = join("SCI_PIPELINE_ID=", pipeline_id);
-    char *envp[] = {
-        name,
-        url,
-        trigger,
-        id,
-        NULL
-    };
+    char* envp[] = { name, url, trigger, id, NULL };
     char* argv[] = { "/bin/sh", "-c", e->command, NULL };
     if(posix_spawn(&pid, "/bin/sh", &actions, NULL, argv, envp) != 0) {
         perror("posix_spawn");
-        return;
+        goto end; // I know. The raptors have picked up the scent. I'll just have to mask it with more poopy code.
     }
-    log_trace("{%s} spawned (%s)", pipeline_id, e->name);
+    log_trace("{%s} (%s) spawned", pipeline_id, e->name);
+
+    // Wait for process to complete
     int status;
     waitpid(pid, &status, 0);
     if(WIFEXITED(status))
-        log_trace("{%s} exited with status %d", pipeline_id, WEXITSTATUS(status));
-    // TODO: clean this function up!
+        log_trace("{%s} (%s) exited with status %d", pipeline_id, e->name, WEXITSTATUS(status));
+end:
+    close(fd.value);
     free(pipeline_id);
-    free(log_file);
-    free(log_filepath);
     free(name);
     free(url);
     free(trigger);
+    free(id);
 }
 
 void on_event(pipeline_event* const e) {