Performs bzr branch and checks containing python scripts with fake8

checkout-flake8.sh

#!/usr/bin/bash

# Check if flake8 and bzr exists
which flake8 > /dev/null || exit 1
which bzr > /dev/null || exit 1
# Check that only one parametter was sent
if [ "$#" -lt "1" ] || [ "$#" -gt "2" ]
    then
        echo "Usage:"
        echo "$0 lp:repository [SUBDIRECTORY]"
        echo "$0 https://code.launchpad.net/~group/repository/branch/+merge/0000000 [SUBDIRECTORY]"
	exit 1
fi
SUBDIR='.'
# Subdirectory defined
if [ "$#" -eq 2 ]
    then
        SUBDIR="$2"
fi
# Check that parameters are actually a bazaar branch
bzr info "$1" > /dev/null || exit 1

echo "Making a temp directory"
mkdir -p "/tmp/checkout-flake/" || exit 1
cd "/tmp/checkout-flake/" || exit 1
SRCBRANCH=$(echo "${1}" | sed 's,/+merge/[0-9]*$,,g')
TODIR=$SRCBRANCH
TODIR="${TODIR#lp:}"
TODIR="${TODIR#http://}"
TODIR="${TODIR#https://}"
TODIR="${TODIR////.}"
echo branching to $(pwd)/$TODIR
if [ -d "$TODIR" ]
    then
        rm -rf "$TODIR"
fi
mkdir "$TODIR" || exit 1
bzr branch "$SRCBRANCH" --use-existing-dir "$TODIR"
cd "$TODIR"
flake8 "$SUBDIR" --filename __init__.py --ignore F401
flake8 "$SUBDIR" --exclude __init__.py

echo "Done"