diff --git a/package/c/lib/Makefile b/package/c/lib/Makefile
new file mode 100644
index 0000000..6d0c6c8
--- /dev/null
+++ b/package/c/lib/Makefile
@@ -0,0 +1,26 @@
+CC = gcc
+CFLAGS = -Wall -Wextra -std=c11
+LDFLAGS = -L. -lmylib  # Link with your library
+
+# Source files
+LIB_SRC = mylib.c
+LIB_OBJ = $(LIB_SRC:.c=.o)
+TEST_SRC = test/test.c
+TEST_OBJ = $(TEST_SRC:.c=.o)
+TEST_BIN = test
+
+# Build library
+libmylib.a: $(LIB_OBJ)
+	ar rcs $@ $^
+
+# Build test executable
+$(TEST_BIN): $(TEST_OBJ) libmylib.a
+	$(CC) $(CFLAGS) $^ -o $@ $(LDFLAGS)
+
+# Compile C files
+%.o: %.c
+	$(CC) $(CFLAGS) -c $< -o $@
+
+# Clean build artifacts
+clean:
+	rm -f $(LIB_OBJ) $(TEST_OBJ) $(TEST_BIN) libmylib.a
diff --git a/package/c/lib/default.nix b/package/c/lib/default.nix
new file mode 100644
index 0000000..e69de29
diff --git a/package/c/lib/lib/heclib.c b/package/c/lib/lib/heclib.c
new file mode 100644
index 0000000..e69de29
diff --git a/package/c/lib/lib/heclib.h b/package/c/lib/lib/heclib.h
new file mode 100644
index 0000000..5d3e78e
--- /dev/null
+++ b/package/c/lib/lib/heclib.h
@@ -0,0 +1,189 @@
+#ifndef EPRINTF_H
+#define EPRINTF_H
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <time.h>
+#include <string.h>
+
+// -------------
+// -- Helpers --
+// -------------
+
+// Helper macros for argument counting
+// NOTE(yukkop): this ugly macroses for avoid all posible warnings
+#define PP_CAT(a, b) PP_CAT_I(a, b)
+#define PP_CAT_I(a, b) a##b
+
+#define PP_NARG(...) PP_NARG_(__VA_ARGS__, PP_RSEQ_N())
+#define PP_NARG_(...) PP_ARG_N(__VA_ARGS__)
+#define PP_ARG_N(_1,_2,_3,_4,_5,_6,_7,_8,_9,N,...) N
+#define PP_RSEQ_N() 9,8,7,6,5,4,3,2,1,0
+
+// ------------
+// -- Colors --
+// ------------
+
+// Color mode enumeration
+typedef enum {
+  COLOR_MODE_AUTO, 
+  COLOR_MODE_FORCE,
+  COLOR_MODE_DISABLE
+} ColorMode;
+
+// Static color mode variable
+static ColorMode color_mode = COLOR_MODE_AUTO;
+
+// Function to set color mode
+void set_output_color_mode(ColorMode mode) {
+    color_mode = mode;
+}
+
+// Macros for detecting terminal and color usage
+#define IS_TERMINAL() (isatty(fileno(stderr)))
+#define USE_COLOR() ((color_mode == COLOR_MODE_FORCE) || (color_mode == COLOR_MODE_AUTO && IS_TERMINAL()))
+
+#define COLOR_RED (USE_COLOR() ? "\033[1;31m" : "")
+#define COLOR_RESET (USE_COLOR() ? "\033[0m" : "")
+
+// ------------ 
+// -- Errors --
+// ------------ 
+
+// Define color macros based on output type
+#define ERROR_PREFIX PP_CAT_I(COLOR_RED, "Error: ")
+#define ERROR_SUFFIX PP_CAT_I(COLOR_RESET, "\n")
+
+// eprintf handling 1 or more arguments
+#define eprintf_1(fmt) \
+    fprintf(stderr, "%s" fmt "%s", ERROR_PREFIX, ERROR_SUFFIX)
+
+#define eprintf_2(fmt, ...) \
+    fprintf(stderr, "%s" fmt "%s", ERROR_PREFIX, __VA_ARGS__, ERROR_SUFFIX)
+
+#define eprintf(...) \
+    PP_CAT(eprintf_, PP_NARG(__VA_ARGS__))(__VA_ARGS__)
+
+#define todo fprintf(stderr, "%sNot implimented yet%s", COLOR_RED, COLOR_RESET);exit(1)
+
+// ------------
+// -- Logger --
+// ------------
+
+typedef enum {
+  LOG_LEVEL_DEBUG,
+  LOG_LEVEL_LOG,
+  LOG_LEVEL_INFO,
+  LOG_LEVEL_NOTICE,
+  LOG_LEVEL_WARN,
+  LOG_LEVEL_EXCEPTION
+} LogLevel;
+
+const char* log_level_to_string(LogLevel level) {
+    switch (level) {
+        case LOG_LEVEL_DEBUG: return "DEBUG";
+        case LOG_LEVEL_LOG:  return "LOG";
+        case LOG_LEVEL_INFO:  return "INFO";
+        case LOG_LEVEL_NOTICE:  return "NOTICE";
+        case LOG_LEVEL_WARN:  return "WARN";
+        case LOG_LEVEL_EXCEPTION: return "EXCEPTION";
+        default:              return "UNKNOWN";
+    }
+}
+
+LogLevel log_level_from_string(const char *level_str) {
+    if (!level_str) return LOG_LEVEL_INFO;
+    if (strcmp(level_str, "DEBUG") == 0)
+        return LOG_LEVEL_DEBUG;
+    else if (strcmp(level_str, "LOG") == 0)
+        return LOG_LEVEL_LOG;
+    else if (strcmp(level_str, "INFO") == 0)
+        return LOG_LEVEL_INFO;
+    else if (strcmp(level_str, "NOTICE") == 0)
+        return LOG_LEVEL_NOTICE;
+    else if (strcmp(level_str, "WARN") == 0)
+        return LOG_LEVEL_WARN;
+    else if (strcmp(level_str, "EXCEPTION") == 0)
+        return LOG_LEVEL_EXCEPTION;
+    else
+        return LOG_LEVEL_INFO;
+}
+
+LogLevel current_log_level = LOG_LEVEL_INFO;
+
+void init_logger(void) {
+    current_log_level = log_level_from_string(getenv("LOG_LEVEL"));
+}
+
+void log_message(LogLevel level, int line, const char *format, ...) {
+    if (level < current_log_level) {
+        return;
+    }
+
+    time_t now = time(NULL);
+    struct tm tm_info;
+    localtime_r(&now, &tm_info);
+    char timeStr[20];
+    strftime(timeStr, sizeof(timeStr), "%Y-%m-%d %H:%M:%S", &tm_info);
+
+    fprintf(stderr, "%s %d %s: ", timeStr, line, log_level_to_string(level));
+
+    va_list args;
+    va_start(args, format);
+    vfprintf(stderr, format, args);
+    va_end(args);
+
+    fprintf(stderr, "\n");
+}
+
+// DEBUG level
+#define raise_debug_1(fmt) \
+    log_message(LOG_LEVEL_DEBUG, __LINE__, fmt)
+#define raise_debug_2(fmt, ...) \
+    log_message(LOG_LEVEL_DEBUG, __LINE__, fmt, __VA_ARGS__)
+#define raise_debug(...) \
+    PP_CAT(raise_debug_, PP_NARG(__VA_ARGS__))(__VA_ARGS__)
+
+// LOG level
+#define raise_log_1(fmt) \
+    log_message(LOG_LEVEL_LOG, __LINE__, fmt)
+#define raise_log_2(fmt, ...) \
+    log_message(LOG_LEVEL_LOG, __LINE__, fmt, __VA_ARGS__)
+#define raise_log(...) \
+    PP_CAT(raise_log_, PP_NARG(__VA_ARGS__))(__VA_ARGS__)
+
+// INFO level
+#define raise_info_1(fmt) \
+    log_message(LOG_LEVEL_INFO, __LINE__, fmt)
+#define raise_info_2(fmt, ...) \
+    log_message(LOG_LEVEL_INFO, __LINE__, fmt, __VA_ARGS__)
+#define raise_info(...) \
+    PP_CAT(raise_info_, PP_NARG(__VA_ARGS__))(__VA_ARGS__)
+
+// NOTICE level
+#define raise_notice_1(fmt) \
+    log_message(LOG_LEVEL_NOTICE, __LINE__, fmt)
+#define raise_notice_2(fmt, ...) \
+    log_message(LOG_LEVEL_NOTICE, __LINE__, fmt, __VA_ARGS__)
+#define raise_notice(...) \
+    PP_CAT(raise_notice_, PP_NARG(__VA_ARGS__))(__VA_ARGS__)
+
+// WARN level
+#define raise_warn_1(fmt) \
+    log_message(LOG_LEVEL_WARN, __LINE__, fmt)
+#define raise_warn_2(fmt, ...) \
+    log_message(LOG_LEVEL_WARN, __LINE__, fmt, __VA_ARGS__)
+#define raise_warn(...) \
+    PP_CAT(raise_warn_, PP_NARG(__VA_ARGS__))(__VA_ARGS__)
+
+// EXCEPTION level
+#define raise_exception_1(fmt) \
+    log_message(LOG_LEVEL_EXCEPTION, __LINE__, fmt)
+#define raise_exception_2(fmt, ...) \
+    log_message(LOG_LEVEL_EXCEPTION, __LINE__, fmt, __VA_ARGS__)
+#define raise_exception(...) \
+    PP_CAT(raise_exception_, PP_NARG(__VA_ARGS__))(__VA_ARGS__)
+
+#endif // EPRINTF_H
diff --git a/package/c/lib/test/test.c b/package/c/lib/test/test.c
new file mode 100644
index 0000000..b31e5c3
--- /dev/null
+++ b/package/c/lib/test/test.c
@@ -0,0 +1,12 @@
+#include <assert.h>
+#include <stdio.h>
+#include "heclib.h" 
+
+void test_function() {
+}
+
+int main(void) {
+    test_function();
+    printf("All tests passed\n");
+    return 0;
+}
diff --git a/package/postgres/pg-neo-migration/hectic-chan b/package/postgres/pg-neo-migration/hectic-chan
deleted file mode 100755
index 5a1a25f..0000000
Binary files a/package/postgres/pg-neo-migration/hectic-chan and /dev/null differ
diff --git a/package/postgres/pg-neo-migration/src/logger.c b/package/postgres/pg-neo-migration/src/logger.c
index 9615f44..bfa36c5 100644
--- a/package/postgres/pg-neo-migration/src/logger.c
+++ b/package/postgres/pg-neo-migration/src/logger.c
@@ -3,7 +3,7 @@
 #include <stdarg.h>
 #include <time.h>
 #include <string.h>
-#include "macros.h"
+#include "macro.h"
 
 typedef enum {
   LOG_LEVEL_DEBUG,
diff --git a/package/postgres/pg-neo-migration/src/macro.c b/package/postgres/pg-neo-migration/src/macro.c
new file mode 100644
index 0000000..1a98ff2
--- /dev/null
+++ b/package/postgres/pg-neo-migration/src/macro.c
@@ -0,0 +1,2 @@
+#include "macro.h"
+
diff --git a/package/postgres/pg-neo-migration/src/macros.h b/package/postgres/pg-neo-migration/src/macro.h
similarity index 70%
rename from package/postgres/pg-neo-migration/src/macros.h
rename to package/postgres/pg-neo-migration/src/macro.h
index b1649be..62d23a0 100644
--- a/package/postgres/pg-neo-migration/src/macros.h
+++ b/package/postgres/pg-neo-migration/src/macro.h
@@ -11,16 +11,24 @@ typedef enum {
   COLOR_MODE_DISABLE
 } ColorMode;
 
-// Function to set the color mode
-void set_output_color_mode(ColorMode mode);
+// Static color mode variable
+static ColorMode color_mode = COLOR_MODE_AUTO;
+
+// Function to set color mode
+void set_output_color_mode(ColorMode mode) {
+    color_mode = mode;
+}
 
 // Macros for detecting terminal and color usage
 #define IS_TERMINAL() (isatty(fileno(stderr)))
 #define USE_COLOR() ((color_mode == COLOR_MODE_FORCE) || (color_mode == COLOR_MODE_AUTO && IS_TERMINAL()))
 
+#define COLOR_RED (USE_COLOR() ? "\033[1;31m" : "")
+#define COLOR_RESET (USE_COLOR() ? "\033[0m" : "")
+
 // Define color macros based on output type
-#define ERROR_PREFIX (IS_TERMINAL() ? "\033[1;31mError: " : "Error: ")
-#define ERROR_SUFFIX (IS_TERMINAL() ? "\033[0m\n" : "\n")
+#define ERROR_PREFIX PP_CAT_I(COLOR_RED, "Error: ")
+#define ERROR_SUFFIX PP_CAT_I(COLOR_RESET, "\n")
 
 // Helper macros for argument counting
 // NOTE(yukkop): this ugly macroses for avoid all posible warnings
@@ -42,4 +50,6 @@ void set_output_color_mode(ColorMode mode);
 #define eprintf(...) \
     PP_CAT(eprintf_, PP_NARG(__VA_ARGS__))(__VA_ARGS__)
 
+#define todo fprintf(stderr, "%sNot implimented yet%s", COLOR_RED, COLOR_RESET);exit(1)
+
 #endif // EPRINTF_H
diff --git a/package/postgres/pg-neo-migration/src/macros.c b/package/postgres/pg-neo-migration/src/macros.c
deleted file mode 100644
index 1b61d85..0000000
--- a/package/postgres/pg-neo-migration/src/macros.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include "macros.h"
-
-// Static color mode variable
-static ColorMode color_mode = COLOR_MODE_AUTO;
-
-// Function to set color mode
-void set_output_color_mode(ColorMode mode) {
-    color_mode = mode;
-}
diff --git a/package/postgres/pg-neo-migration/src/main.c b/package/postgres/pg-neo-migration/src/main.c
index 723dcc6..89c2897 100644
--- a/package/postgres/pg-neo-migration/src/main.c
+++ b/package/postgres/pg-neo-migration/src/main.c
@@ -2,10 +2,11 @@
 #include <stdlib.h>
 #include <string.h>
 #include "logger.c"
-#include "macros.h"
+#include "macro.h"
 #include <sys/stat.h>
 #include <errno.h>    
 #include <time.h>   
+#include <stdbool.h>
 
 // TODO: check on the specific psql version 
 int check_psql_installed(void) {
@@ -58,7 +59,7 @@ void create_migration_inner(const char* migration_path, const char* type) {
   }
 
   char filename[1024 + 19];
-  snprintf(filename, sizeof(filename), "%s/00-entry-point.sql", path);
+  snprintf(filename, sizeof(filename), "%s/0000-entry-point.sql", path);
 
   FILE *fp = fopen(filename, "w");
   if (!fp) {
@@ -101,9 +102,10 @@ void help_message(char name[]) {
 int main(int argc, char *argv[]) {
   srand(time(NULL));
   init_logger();
-
   raise_log("init");
 
+  todo;
+
   if (check_psql_installed()) { exit(1); }
 
   if (argc < 2) {
@@ -115,7 +117,9 @@ int main(int argc, char *argv[]) {
   char *migration_dir;
   char *db_url;
   char *migration_name;
-  char force = 0;
+  bool force = true;
+  char **set_vars = NULL;
+  int set_vars_count = 0;
 
   /* Process global options until a known subcommand is encountered */
   int i = 1;
@@ -171,11 +175,18 @@ int main(int argc, char *argv[]) {
 	force = 1;
       } else if (strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "--set")) {
         if (i+1 < argc) {
-          set_vars = relloc(set_vars);
+	  set_vars = realloc(set_vars, (set_vars_count+1) * sizeof(char*));
+          set_vars[set_vars_count++] = argv[i+1];
+          i++;
 	} else {
           eprintf("%s requires an argument", argv[i]);
 	}
+      }
 
+      if (!db_url) {
+        eprintf("Database URL is required for %s subcommand.\n", subcommand);
+        help_message(argv[0]);
+        exit(1);
       }
     }
   } else if (strcmp(subcommand, "fetch") == 0) {
@@ -187,14 +198,13 @@ int main(int argc, char *argv[]) {
 	} else {
           eprintf("%s requires an argument", argv[i]);
 	}
-
+        
+	if (!db_url) {
+          eprintf("Database URL is required for %s subcommand.\n", subcommand);
+          help_message(argv[0]);
+          exit(1);
+        }
       }
     }
   }
-
-  if (!db_url) {
-    eprintf("Database URL is required for migrate subcommand.\n");
-    help_message(argv[0]);
-    exit(1);
-  }
 }