#!/usr/bin/env bash # Tool for converting between MXE patch files and git repos# Imports and exports patch files in "git format-patch" format. cmd=$1pkg=$2patch_name=${3:-1-fixes} setupEnv() {  # MXE directory  export mxedir=$(cd $(dirname $0) && cd .. && pwd)} function init_git {  setupEnv  make -C $mxedir init-git-$pkg} function export_patch {  setupEnv  make -C $mxedir export-patch-$pkg PATCH_NAME=${patch_name}} function import_patch {  setupEnv  make -C $mxedir import-patch-$pkg PATCH_NAME=${patch_name}} function import_all_patches {  setupEnv  make -C $mxedir import-all-patches-$pkg} case "$cmd" in  init)    init_git $pkg    ;;  import)    import_patch $pkg    ;;  import-all)    import_all_patches $pkg    ;;  export)    export_patch $pkg    ;;  *)    echo "Unrecognized command '${cmd}'" >&2    cat <<EOS    Usage: $0 COMMAND PACKAGENAME [PATCHNAME]    where COMMAND is one of:      init - create a git directory for the package with the raw source      import - apply the "pkgname-PATCHNAME.patch" patch commits      import-all - apply commits from all the patches of the package      export - create/replace the "pkgname-PATCHNAME.patch" patch with a patch of all commits since init.     If PATCHNAME is not set, it is default to "1-fixes".EOS    exit 1    ;;esac