flags

const COLLECT_TEST_TRACE = false

when: xgo test flag: --strace description:

persist the --strace flag when invoking xgo test,
if the value is on or true, trace will be automatically
collected when test starts and ends

values:

on,true => --strace, --strace=on, --strace=true
off,false,empty string => --strace=off, --strace=false

const COLLECT_TEST_TRACE_DIR = ""

when: xgo test and --strace is on flag: --strace-dir values:

directory, default current dir

const XGO_RACE_SAFE = false

when: xgo test,xgo run, xgo build flag: --xgo-race-safe description:

skip some functionalities that are not race-safe

values:

true, on, 1 => --xgo-race-safe, --xgo-race-safe=on, --xgo-race-safe=true, --xgo-race-safe=1
false, off, 0, empty string => --xgo-race-safe=off, --xgo-race-safe=false, --xgo-race-safe=0

see https://github.com/xhd2015/xgo/issues/341