backup_stashes.py

"""
Run this script using `python backup_stashes.py`

To apply the stash use command
`git apply path/to/stash.patch`
"""

import os
import re
import hashlib
import unicodedata

OUT_FOLDER_NAME = "stash_backup"

def slugify(value, allow_unicode=False):
    value = str(value)
    if allow_unicode:
        value = unicodedata.normalize('NFKC', value)
    else:
        value = unicodedata.normalize('NFKD', value).encode('ascii', 'ignore').decode('ascii')
    value = re.sub(r'[^\w\s-]', '', value.lower())
    return re.sub(r'[-\s]+', '-', value).strip('-_')

try:
    os.mkdir(OUT_FOLDER_NAME)
except Exception as err: 
    print(f"{OUT_FOLDER_NAME} already created.")

# Get the list of stashes
stash_list = os.popen("git stash list").read().splitlines()

# Iterate over the stashes and create a patch file for each one
for i, stash in enumerate(stash_list):
    # Get the patch for the stash
    patch_content = os.popen(f"git stash show -p {stash.split(':')[0]}").read()
    patch_hash = hashlib.sha256(patch_content.encode()).hexdigest()[:8]

    # remove special chars from name and append content hash to the filename 
    stash_name = stash.split('}:')[1]
    safe_filename = f"{slugify(stash_name)}_{patch_hash}.patch"

    # Create the patch file
    with open(f"stash_backup/{safe_filename}", "w") as patch_file:
        patch_file.write(patch_content)
        print('Created:',safe_filename)