git branch cleanup tool, for deleting local and remote branches

README.md

git-branch-cleanup

git-branch-cleanup basically just allows me to do housekeeping more easily on my many branches.

git-branch-cleanup

#!/bin/bash

REMOTE="smoser"
VERBOSITY=0
TEMP_D=""

error() { echo "$@" 1>&2; }
errorp() { printf "$@" 1>&2; }
failp() { [ $# -eq 0 ] || errorp "$@"; exit 1; }
fail() { local r=$?;  [ $r -eq 0 ] && r=1; failrc "$r" "$@"; }
failrc() { local r=$1; shift; [ $# -eq 0 ] || error "$@"; exit $r; }

Usage() {
    cat <<EOF
Usage: ${0##*/} [ options ] <<ARGUMENTS>>

   <<SUMMARY HERE>>

   options:
      <<OPTIONS HERE>>
EOF
}

bad_Usage() { Usage 1>&2; [ $# -eq 0 ] || error "$@"; return 1; }
cleanup() {
    [ -z "${TEMP_D}" -o ! -d "${TEMP_D}" ] || rm -Rf "${TEMP_D}"
}

debug() {
    local level=${1}; shift;
    [ "${level}" -gt "${VERBOSITY}" ] && return
    error "${@}"
}

delRemote() {
    local branch="$1" out="" r=""
    out=$(git show "$REMOTE/$branch" 2>&1)
    r=$?
    if [ $r -eq 128 ]; then
        # fatal: ambiguous argument '<remote>/<branch>': unknown revision or path...
        echo "$branch does not exist on $REMOTE"
        return 0
    fi

    out=$(git push --delete $REMOTE "$branch") && return 0
    r=$?
    case "$r:$out" in
        1:*remote\ ref\ does\ not\ exist)
            echo "$branch did not exist on $REMOTE. use git prune $REMOTE."
            return 0
    esac

    error "Failed to delete branch $branch on remote $REMOTE"
    return 1
}

delBranch() {
    local branch="$1"
    git branch --delete "$branch" || {
        error "Failed to remove branch $branch. try D?"
        return 1
    }
    delRemote "$branch"
}

delBranchForce() {
    local branch="$1"
    echo branch=$branch
    git branch --delete --force "$branch" || return
    delRemote "$branch"
}

main() {
    local short_opts="ho:v"
    local long_opts="help,output:,verbose"
    local getopt_out=""
    getopt_out=$(getopt --name "${0##*/}" \
        --options "${short_opts}" --long "${long_opts}" -- "$@") &&
        eval set -- "${getopt_out}" ||
        { bad_Usage; return; }

    local cur="" next=""

    while [ $# -ne 0 ]; do
        cur="$1"; next="$2";
        case "$cur" in
            -h|--help) Usage ; exit 0;;
            -v|--verbose) VERBOSITY=$((${VERBOSITY}+1));;
            --) shift; break;;
        esac
        shift;
    done

    git fetch "$REMOTE" || fail "probably your remote \$REMOTE ($REMOTE) is wrong"
    #[ $# -ne 0 ] || { bad_Usage "must provide arguments"; return; }

    TEMP_D=$(mktemp -d "${TMPDIR:-/tmp}/${0##*/}.XXXXXX") ||
        fail "failed to make tempdir"
    trap cleanup EXIT

    set -f

    local dataf="${TEMP_D}/data"
    show "|" > "$dataf" || fail "Failed to show data"

    local oifs="$IFS"
    # read fd 3
    echo "([s]kip, i[nfo] l[og], d[elete] D[force del] q[uit])"
    exec 3<"$dataf" || fail "failed to get fd"
    while read -u 3 line; do
        IFS="|"; set -- $line; IFS="$oifs"
        branch="$1"; hash="$2"; date="$3"; subject="$4"
        while :; do
            read -p "$date $hash $branch | $subject ?" action
            case "$action" in
                s) :;; # skip
                i) git show "$branch"; continue;;
                l) git log "$branch"; continue;;
                d) delBranch "$branch" || continue;;
                D) delBranchForce "$branch" || continue;;
                q) exit;;
                *) echo "bad action: $action"; continue;;
            esac
            echo
            break
        done
    done
    IFS="$oifs"

    return 0
}

#!/bin/sh

# https://stackoverflow.com/questions/5188320/how-can-i-get-a-list-of-git-branches-ordered-by-most-recent-commit
show() {
    local d="${1:- }"
    local fmt="%(refname:short)$d%(objectname:short)$d%(committerdate:iso)$d%(subject)"
    set -- git for-each-ref --sort=committerdate refs/heads/ --format="$fmt"
    "$@" || {
        error "Failed to execute command: $*"
        return 1
    }
    return 0
}

main "$@"
# vi: ts=4 expandtab