git-new

#!/usr/bin/env bash

source "utils.sh"

branch=$1

git fetch -p

# The branch we're coming off
cb=$(current_branch)

if [[ "${cb}" == "${branch}" ]]; then
    writeln "<red>Error</red> Already checked out on branch <yellow>${branch}</yellow>"
    exit 1
fi

if [[ "${branch}" == "-" ]]; then
    previous_branch=$(previous_branch)

    writeln "Switching back to branch <magenta>${previous_branch}</magenta>"

    git checkout --quiet -
    git pull -p

    exit 0
fi

# Does the branch already exist? If yes, switch to it
if git show-ref --quiet "refs/heads/${branch}"; then
    writeln "Checking out branch <magenta>${branch}</magenta>"

    git checkout --quiet "${branch}"
    git pull -p

    exit 0
fi

# Does the branch exist in remote? If yes, switch to it
if git show-branch "remotes/origin/${branch}" >/dev/null 2>&1; then
    writeln "Checking out branch <magenta>${branch}</magenta>"

    git checkout --quiet "${branch}"
    git pull -p

    exit 0
fi

# The branch doesn't exist so create it if wanted
write "Branch <yellow>${branch}</yellow> does not exist. Do you want to create it? [y/n] "
read -r answer

if [[ "${answer}" != "y" ]]; then
    echo "Aborted."

    exit 0
fi

writeln "Creating branch <green>${branch}</green>"

git checkout --quiet -b "${branch}"

# Write to .githistory
if [[ "${GIT_INFO_FILE}" != "" ]]; then
    repo=$(repo)
#    touch "${GIT_INFO_FILE}"
    echo "${repo}:${branch}:${cb}" >> "${GIT_INFO_FILE}"
fi