feat(pg-neo-migration): init

package/postgres/pg-neo-migration/src/main.c

@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "type.c"
+
+LogLevel currentLogLevel = LOG_LEVEL_DEBUG;
+
+// TODO: check on the specific psql version 
+int check_psql_installed(void) {
+  int returned = system("psql --version > /dev/null 2>&1");
+  if (returned != 0) {
+    fprintf(stderr, "Error: psql is not installed or not in PATH.\n");
+    return 1;
+  }
+  return 0;
+}
+
+void help_message() {
+    fprintf(stdout, "Usage: TODO");
+}
+
+int main(int argc, char *argv[]) {
+  if (!check_psql_installed()) { exit(1); }
+
+  if (argc < 2) {
+    help_message();
+  }
+}

package/postgres/pg-neo-migration/src/type.c

@@ -0,0 +1,8 @@
+typedef enum {
+  LOG_LEVEL_DEBUG,
+  LOG_LEVEL_LOG,
+  LOG_LEVEL_INFO,
+  LOG_LEVEL_NOTICE,
+  LOG_LEVEL_WARN,
+  LOG_LEVEL_EXCEPTION
+} LogLevel;