// 2-byte needle
	{"xxxxxx", "01", false},
	{"01xxxx", "01", true},
	{"xx01xx", "01", true},
	{"xxxx01", "01", true},
	{"01xxxxx"[1:], "01", false},
	{"xxxxx01"[:6], "01", false},
	// 3-byte needle
	{"xxxxxxx", "012", false},
	{"012xxxx", "012", true},
	{"xx012xx", "012", true},
	{"xxxx012", "012", true},
	{"012xxxxx"[1:], "012", false},

	b.Run(" X00000|X00000 ", func(b *testing.B) { benchmarkErasureDecode(6, 6, 1, 1, size, b) })
	b.Run(" 000000|XXXXXX ", func(b *testing.B) { benchmarkErasureDecode(6, 6, 0, 6, size, b) })
	b.Run(" XXX000|XXX000 ", func(b *testing.B) { benchmarkErasureDecode(6, 6, 3, 3, size, b) })
	b.Run(" XXXXXX|000000 ", func(b *testing.B) { benchmarkErasureDecode(6, 6, 6, 0, size, b) })
}

func BenchmarkErasureDecode_16_40MB(b *testing.B) {

var (
	short = X{
	}
	aMuchLongerName = X{}

	x1 = X{} // foo
	x2 = X{
	} // foo
)

func _() {
	type (
		xxxxxx int
		x float
		xxx string
		xxxxx []x
		xx struct{}
		xxxxxxx struct {
			_, _ int
			_ float
		}
		xxxx chan<- string
	)
}

// alignment of "=" in consecutive lines (extended example from issue 1414)
const (

)

var (
	short		= X{}
	aMuchLongerName	= X{}

	x1	= X{}	// foo
	x2	= X{}	// foo
)

func _() {
	type (
		xxxxxx	int
		x	float
		xxx	string
		xxxxx	[]x
		xx	struct{}
		xxxxxxx	struct {
			_, _	int
			_	float
		}
		xxxx	chan<- string
	)
}

// alignment of "=" in consecutive lines (extended example from issue 1414)
const (

	b.Run(" X00000|000000 ", func(b *testing.B) { benchmarkErasureEncode(6, 6, 1, 0, size, b) })
	b.Run(" 000000|XXXXX0 ", func(b *testing.B) { benchmarkErasureEncode(6, 6, 0, 5, size, b) })
	b.Run(" XXXXX0|000000 ", func(b *testing.B) { benchmarkErasureEncode(6, 6, 5, 0, size, b) })
}

func BenchmarkErasureEncode_16_40MB(b *testing.B) {
	const size = 40 * 1024 * 1024

)

const (
	// Version of the formatMetaV1
	formatMetaVersionV1 = "1"
)

// format.json currently has the format:
// {
//   "version": "1",
//   "format": "XXXXX",
//   "XXXXX": {
//
//   }
// }
// Here "XXXXX" depends on the backend, currently we have "fs" and "xl" implementations.
// formatMetaV1 should be inherited by backend format structs. Please look at format-fs.go
// and format-xl.go for details.

if ! [[ -r "$scrapes_file" ]]; then
    echo "$0: $scrapes_file is not a readable file" >&2
    exit 2
fi

SCRIPT_ROOT=$(dirname "${BASH_SOURCE[0]}")

CONFIG="/tmp/$(cd /tmp && mktemp config.XXXXXX)"
UNPACKDIR="/tmp/$(cd /tmp && mktemp -d unpack.XXXXXX)"
SERVER_PID=""

cleanup_prom() {
    rm -f "$CONFIG"
    rm -rf "$UNPACKDIR"
    if [[ -n "$SERVER_PID" ]]; then
	kill "$SERVER_PID"
    fi
}

trap cleanup_prom EXIT

exec ./mkold$GOEXE 50s testcache/script.sh
go test testcache -run=Exec
! stdout '\(cached\)'
go test testcache -run=Exec
stdout '\(cached\)'

-- testcache/file.txt --
xx
-- 4x.txt --
xxxx
-- 6x.txt --
xxxxxx
-- 2y.txt --
yy
-- $WORK/external.txt --
This file is outside of GOPATH.
-- testcache/script.sh --
#!/bin/sh
exit 0
-- testcache/testcache_test.go --

"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"+
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"+
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"+
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"+
"xxxxxxxxxxxxxxxxxxx"+
"xxxxxx"+
"xxxxxxxxxxxxxxxxxxxx"+
"xxxxxxxx"+
"xxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
;
_ = prog;
}

set -o errexit
set -o nounset
set -o pipefail

SCRIPT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)"
DIFFROOT="${SCRIPT_ROOT}/pkg"
TMP_DIFFROOT="$(mktemp -d -t "$(basename "$0").XXXXXX")/pkg"

cleanup() {
  rm -rf "${TMP_DIFFROOT}"
}
trap "cleanup" EXIT SIGINT

cleanup

mkdir -p "${TMP_DIFFROOT}"
cp -a "${DIFFROOT}"/* "${TMP_DIFFROOT}"

"${SCRIPT_ROOT}/hack/update-codegen.sh"