diff --git a/applications/git.c b/applications/git.c
new file mode 100644
index 0000000..15d8e13
--- /dev/null
+++ b/applications/git.c
@@ -0,0 +1,228 @@
+#include <windows.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define BUILD_DIR ".\\build"
+#define GITREV_FILE ".\\build\\gitrev.txt"
+#define GITHASH_FILE ".\\build\\githash.txt"
+#define GITSTATUS_FILE ".\\build\\gitstatus.txt"
+#define REVISION_H_FILE "..\\applications\\revision.h"
+
+void createBuildDir()
+{
+    if (!CreateDirectory(BUILD_DIR, NULL))
+    {
+        if (GetLastError() != ERROR_ALREADY_EXISTS)
+        {
+            printf("Failed to create build directory.\n");
+            exit(EXIT_FAILURE);
+        }
+    }
+}
+
+void deleteRevisionH()
+{
+    if (!DeleteFile(REVISION_H_FILE))
+    {
+        printf("Failed to delete revision.h.\n");
+        // exit(EXIT_FAILURE);
+    }
+}
+
+int find_git_revision_number()
+{
+    FILE *fp = popen("git rev-list HEAD", "r");
+    if (fp == NULL)
+    {
+        perror("popen failed");
+        return EXIT_FAILURE;
+    }
+    int cnt = 0;
+    char buffer[1024];
+    while (fgets(buffer, sizeof(buffer), fp) != NULL)
+    {
+        // printf("%s", buffer);
+        cnt++;
+    }
+
+    pclose(fp);
+    return cnt;
+}
+
+int get_latest_version_hash(char *buffer, int len)
+{
+    FILE *fp = popen("git rev-list HEAD", "r");
+    if (fp == NULL)
+    {
+        perror("popen failed");
+        return EXIT_FAILURE;
+    }
+    int cnt = 0;
+    while (fgets(buffer, len, fp) != NULL)
+    {
+    }
+
+    pclose(fp);
+    return cnt;
+}
+/**
+ *
+ *
+ *
+ */
+int get_git_state()
+{
+    FILE *fp = popen("git status", "r");
+    if (fp == NULL)
+    {
+        perror("popen failed");
+        return EXIT_FAILURE;
+    }
+    char buffer[1024];
+    while (fgets(buffer, sizeof(buffer), fp) != NULL)
+    {
+
+        if (strstr(buffer, "modified:") != NULL)
+        {
+            return 'M';
+        }
+        if (strstr(buffer, "new file") != NULL)
+        {
+            return 'N';
+        }
+        if (strstr(buffer, "deleted:") != NULL)
+        {
+            return 'D';
+        }
+        if (strstr(buffer, "renamed:") != NULL)
+        {
+            return 'R';
+        }
+    }
+
+    pclose(fp);
+    return '\0';
+}
+
+int write_notargeted_file(int version_number, char *version_hash, char sta)
+{
+    FILE *fp = fopen(REVISION_H_FILE, "w+");
+    if (fp == NULL)
+    {
+        perror("fopen failed");
+        return EXIT_FAILURE;
+    }
+    fprintf(fp, "#ifndef REVISION_H_\n");
+    fprintf(fp, "#define REVISION_H_\n");
+    fprintf(fp, "#define FIRMWARE_VER_REV %d\n", version_number);
+    fprintf(fp, "#define FIRMWARE_VER_REV_STR \"%d\"\n", version_number);
+    fprintf(fp, "#define FIRMWARE_VER_HASH_STR ");
+    fprintf(fp, "\"");
+    for (int i = 0; i < 8; i++)
+    {
+        fprintf(fp, "%c", version_hash[i]);
+    }
+    fprintf(fp, "\"");
+    fprintf(fp, "\n");
+    fprintf(fp, "#define FIRMWARE_VER_MULTI \"%c\"\n", sta);
+    fprintf(fp, "#define		FIRMWARE_BUILD_INFO		\"r\"FIRMWARE_VER_REV_STR\" built on \"__DATE__\" \"__TIME__\n");
+    fprintf(fp, "#endif // REVISION_H_\n");
+    fclose(fp);
+    return 0;
+}
+
+int print_git_submodule_info(FILE *fp_write)
+{
+    FILE *fp = popen("git submodule status --recursive", "r");
+    if (fp == NULL)
+    {
+        perror("popen failed");
+        return EXIT_FAILURE;
+    }
+    char buffer[1024];
+    fprintf(fp_write, "\"\\\n");
+    while (fgets(buffer, 1024, fp) != NULL)
+    {
+        char *pos = buffer;
+        while (*pos != '\0' && *pos != '\r' && *pos != '\n')
+        {
+            fprintf(fp_write, "%c", *pos);
+            pos++;
+        }
+        fprintf(fp_write, " \\r\\n\\\n");
+    }
+    fprintf(fp_write, "\"\n");
+
+    pclose(fp);
+}
+int write_targeted_file(int version_number, char *version_hash, char sta)
+{
+    FILE *fp = fopen(REVISION_H_FILE, "w+");
+    if (fp == NULL)
+    {
+        perror("fopen failed");
+        return EXIT_FAILURE;
+    }
+    fprintf(fp, "#ifndef REVISION_H_\n");
+    fprintf(fp, "#define REVISION_H_\n");
+    fprintf(fp, "#if (defined DEBUG)\n");
+    fprintf(fp, "#define		FIRMWARE_TARGET_STR	\"debug\"\n");
+    fprintf(fp, "#elif (defined _DEBUG)\n");
+    fprintf(fp, "#define      FIRMWARE_TARGET_STR  \"debug\"\n");
+    fprintf(fp, "#elif (defined __DEBUG)\n");
+    fprintf(fp, "#define      FIRMWARE_TARGET_STR  \"debug\"\n");
+    fprintf(fp, "#elif (defined DISTRIBUTION)\n");
+    fprintf(fp, "#define      FIRMWARE_TARGET_STR  \"distribution\"\n");
+    fprintf(fp, "#elif (defined _DISTRIBUTION)\n");
+    fprintf(fp, "#define      FIRMWARE_TARGET_STR  \"distribution\"\n");
+    fprintf(fp, "#elif (defined __DISTRIBUTION)\n");
+    fprintf(fp, "#define      FIRMWARE_TARGET_STR  \"distribution\"\n");
+    fprintf(fp, "#else\n");
+    fprintf(fp, "#define      FIRMWARE_TARGET_STR  \"release\"\n");
+    fprintf(fp, "#endif\n");
+    fprintf(fp, "#define      FIRMWARE_VER_REV %d\n", version_number);
+    fprintf(fp, "#define      FIRMWARE_VER_REV_STR \"%d\"\n", version_number);
+    fprintf(fp, "#define      FIRMWARE_VER_HASH_STR ");
+    fprintf(fp, "\"");
+    for (int i = 0; i < 8; i++)
+    {
+        fprintf(fp, "%c", version_hash[i]);
+    }
+    fprintf(fp, "\"");
+    fprintf(fp, "\n");
+    fprintf(fp, "#define      FIRMWARE_VER_MULTI \"%c\"\n", sta);
+    if (sta == '\0')
+    {
+        fprintf(fp, "#define		FIRMWARE_BUILD_INFO		\"r\"FIRMWARE_VER_REV_STR\"-\"FIRMWARE_VER_HASH_STR\" \"FIRMWARE_TARGET_STR\" \"\" built on \"__DATE__\" \"__TIME__\n");
+    }
+    else
+    {
+        fprintf(fp, "#define      FIRMWARE_BUILD_INFO        \"r\"FIRMWARE_VER_REV_STR\"-\"FIRMWARE_VER_HASH_STR\"-\"FIRMWARE_VER_MULTI\" \"FIRMWARE_TARGET_STR\" \"\" built on \"__DATE__\" \"__TIME__\n");
+    }
+    fprintf(fp, "#define FIRMWARE_SUBMODULE_REV \\\n");
+    print_git_submodule_info(fp);
+    fprintf(fp, "#endif\n");
+    return 0;
+}
+int main(int argc, char **argv)
+{
+    createBuildDir();
+    // deleteRevisionH();
+    int version_number = find_git_revision_number();
+    char version_hash[256];
+    get_latest_version_hash(version_hash, sizeof(version_hash));
+    printf("%s\n", version_hash);
+    char sta = get_git_state();
+    printf("git state is : %c\n", sta);
+    if (argv[2][0] != 's')
+    {
+        write_notargeted_file(version_number, version_hash, sta);
+    }
+    else
+    {
+        write_targeted_file(version_number, version_hash, sta);
+    }
+
+    return 0;
+}
\ No newline at end of file