unixorn/git-extra-commands

#!/usr/bin/env bash
#
# Show the log for a single file
#
# Copyright 2022, Joe Block <jpb@unixorn.net>

set -o pipefail

if [[ -n "$DEBUG" ]]; then
  set -x
fi

function fail() {
  printf '%s\n' "$1" >&2  ## Send message to stderr. Exclude >&2 if you don't want it that way.
  exit "${2:-1}"  ## Return a code specified by $2 or 1 by default.
}

if [[ ! -f "$1" ]]; then
  fail "No such file: $1"
fi
exec git log --follow -p "$1"