Purges and re-runs django migrations without breaking everything.

00-README.md

django-remigrate

Removes existing migrations from django, clears the sqlite database, and re-runs migrations.

Installation

Place the script on your $PATH. Have django and python installed.

wget: wget https://gist.githubusercontent.com/hhenrichsen/4276164d086450c4870b226246d7cddb/raw/18f1f8ee1e5677aebdafdabe3433696166f2eb6a/django-remigrate

curl: curl https://gist.githubusercontent.com/hhenrichsen/4276164d086450c4870b226246d7cddb/raw/18f1f8ee1e5677aebdafdabe3433696166f2eb6a/django-remigrate -o django-remigrate -s

Usage

Run django-remigrate once the script is in your path.

To bypass the warning about losing progress, run django-remigrate -f.

django-remigrate

#!/usr/bin/env bash
force=0

while getopts 'fh' flag; do
    case "${flag}" in 
        f) force=1;;
        h)
            echo -en 'Clears a django sqlite database, resets and remakes migrations.\n'
            echo -en 'Flags:\n'
            echo -en '\t-f force: Runs without the warning.\n'
            exit 0
            ;;
    esac
done

if [ "$force" -lt 1 ]; then
    echo -en '\033[0;31mWARNING: \033[0mThis will clear your database and reset migrations.\n'
    echo -en "To ignore this message, run with the -f flag: $(basename -- $0) -f\n"
    echo -en 'Running in 5 seconds. Press Ctrl+C to cancel.\r'
    for i in {5..1}
    do
        echo -en "Running in $i seconds. Press Ctrl+C to cancel.\r"
        sleep 1
    done
    echo -en "Running in 0 seconds.\t\t\t\t\n"
fi

if [ -f $PWD/manage.py ]; then
    # CLEAR DATABASE
    echo -en 'Clearing Database \t\t[...]\r'
    if rm $PWD/db.sqlite3 ; then
        echo -en 'Clearing Database \t\t[\033[0;32mOK \033[0m]\n'
    else
        echo -en 'Clearing Database \t\t[\033[0;31mERR\033[0m]\n'
    fi

    # PURGE MIGRATIONS
    echo -en 'Purging Migrations \t\t[...]\r'
    if find . -path "*/migrations/*.py" -not -name "__init__.py" -delete && find . -path "*/migrations/*.pyc"  -delete; then
        echo -en 'Purging Migrations \t\t[\033[0;32mOK \033[0m]\n'
    else
        echo -en 'Purging Migrations \t\t[\033[0;31mERR\033[0m]\n'
        exit 1
    fi

    # MAKE MIGRATIONS
    echo -en 'Remaking Migrations \t\t[...]\r'
    if /usr/bin/env python $PWD/manage.py makemigrations > /dev/null ; then
        echo -en 'Remaking Migrations \t\t[\033[0;32mOK \033[0m]\n'
    else
        echo -en 'Remaking Migrations \t\t[\033[0;31mERR\033[0m]\n'
        exit 1
    fi

    # APPLY MIGRATIONS
    echo -en 'Applying Migrations \t\t[...]\r'
    if /usr/bin/env python $PWD/manage.py migrate > /dev/null ; then 
        echo -en 'Applying Migrations \t\t[\033[0;32mOK \033[0m]\n'
    else
        echo -en 'Applying Migrations \t\t[\033[0;31mERR\033[0m]\n'
        exit 1
    fi
else
    echo -en "$(basename -- $0): manage.py not found in the current directory.\n"
    exit 1
fi