ok: token set: header on stdin, -H @- on argv, token on no argv
ok: token unset: argv unchanged, no stdin
ok: token empty: argv unchanged, no stdin
/nix/store/hgysxspr24d35bgg8r7g4d6ljy7x313v-ntfy-send.sh: line 42: /build/tmp.5q8XpIVKpn/missing: No such file or directory
ok: unreadable token file: exit 1 before curl
ok: --help documents NTFY_TOKEN_FILE
FAIL: token set: the token is on curl's argv
ok: the mutant passing the header on argv was rejected