.github/workflows/squash.py

from time import sleep
import os

c_msg = "GitHub Action Workflow - Market Data Download (Default Config)"

print("[+] === SQUASHING COMMITS : actions-data-download branch ===")
print("[+] Saving Commit messages log..")
os.system("git log --pretty=oneline > msg.log")

sleep(5)

lines = None
with open('msg.log','r') as f:
    lines = f.readlines()

cnt = 0
for l in lines:
    if c_msg in l:
        cnt += 1
    else:
        commit_hash = l.split(" ")[0]
        cnt -= 1
        break


print(f"[+] Reset at HEAD~{cnt}")
print(f"[+] Reset hash = {commit_hash}")
print(f"git reset --soft {commit_hash}")
print(f"git commit -m '{c_msg}'")

if cnt < 1:
    print("[+] No Need to Squash! Skipping...")
else:
    os.system(f"git reset --soft HEAD~{cnt}")
    os.system(f"git commit -m '{c_msg}'")
    os.system(f"git push -f")

os.remove("msg.log")
sleep(5)

print("[+] === SQUASHING COMMITS : DONE ===")