dotfiles/dot_local/bin/executable_git-diff-date

#!/usr/bin/env bash

# $1 is a date, e.g 01.01.2022
# $2 is a file, e.g. config/juniper.conf

if [[ -z $1 ]]
then
    echo "No date and file specified." 1>&2
    echo "Hint: git diff-date 01.01.2022 config/juniper.conf" 1>&2
    exit 1
fi

if [[ -z $2 ]]
then
    echo "No file specified." 1>&2
    echo "Hint: git diff-date ${1} config/juniper.conf" 1>&2
    exit 1
fi

git diff "$(git log --format=%H --since="$1" --reverse | head -1)"..HEAD -- "$2"