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@chand1012
Created May 4, 2023 17:53
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This script squashes a git repo into a single commit with a specified commit message. MIT License https://chand1012.mit-license.org
#!/bin/bash
# This script squashes a git repo into a single commit with a specified commit message
# Check if git is installed
if ! git --version 1>/dev/null 2>&1; then
echo "Error: git is not installed. Please install git and try again."
exit 1
fi
# Check if the current directory is a git repository
if ! git rev-parse --is-inside-work-tree 1>/dev/null 2>&1; then
echo "Error: Not in a git repository. Please run this script in a git repo."
exit 1
fi
# Check if a commit message is provided
if [ -z "$1" ]; then
echo "Error: Please provide a commit message."
echo "Usage: ./big_squash.sh \"Your commit message\""
exit 1
else
COMMIT_MESSAGE=$1
fi
# Get the current branch
CURRENT_BRANCH="$(git symbolic-ref --short HEAD)"
# Backup the current branch
BACKUP_BRANCH="$CURRENT_BRANCH-backup"
git checkout -b "$BACKUP_BRANCH"
git checkout "$CURRENT_BRANCH"
# Create a new temporary branch and switch to it
TEMP_BRANCH="temp-squash-branch"
git checkout --orphan "$TEMP_BRANCH"
# Add all the files to the new branch and commit with the specified message
git add -A
git commit -m "$COMMIT_MESSAGE"
# Replace the current branch with the new temporary branch
git branch -M "$TEMP_BRANCH" "$CURRENT_BRANCH"
# Delete backup branch (optional)
# git branch -D "$BACKUP_BRANCH"
echo "Successfully squashed the branch into a single commit: $COMMIT_MESSAGE"
exit 0
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