What's Changed

• testscript: print background command output on failure by @rogpeppe in https://github.com/rogpeppe/go-internal/pull/148
• testscript: support named background commands by @rogpeppe in https://github.com/rogpeppe/go-internal/pull/152
• testscript: remove errgo dependency by @rogpeppe in https://github.com/rogpeppe/go-internal/pull/155
• testscript: add Go compiler and version conditions by @twpayne in https://github.com/rogpeppe/go-internal/pull/154
• gotooltest: move default GOPATH out of the main module by @mvdan in https://github.com/rogpeppe/go-internal/pull/156
• drop Go 1.16, add Go 1.18 by @mvdan in https://github.com/rogpeppe/go-internal/pull/158
• testscript: exit 0 in runCoverSubcommand if -help is used by @FiloSottile in https://github.com/rogpeppe/go-internal/pull/160
• all: add support for txtar extension and prefer it by @mvdan in https://github.com/rogpeppe/go-internal/pull/159
• testscript: add Params.RequireExplicitExec by @mvdan in https://github.com/rogpeppe/go-internal/pull/164
• Add 'unix' condition by @bitfield in https://github.com/rogpeppe/go-internal/pull/169
• testscript: fix RequireExplicitExec error messages by @mvdan in https://github.com/rogpeppe/go-internal/pull/167
• testscript: port "mv" and "! cmp" from upstream by @mvdan in https://github.com/rogpeppe/go-internal/pull/168
• testscript: trim '.txtar' extension from subtest name by @bitfield in https://github.com/rogpeppe/go-internal/pull/179
• Use 0o prefix for octal literals, and gofumpt all files by @bitfield in https://github.com/rogpeppe/go-internal/pull/180
• testscript: remove leading newline before results by @bitfield in https://github.com/rogpeppe/go-internal/pull/177
• testscript: update docs on set variables by @mvdan in https://github.com/rogpeppe/go-internal/pull/174

New Contributors

• @FiloSottile made their first contribution in https://github.com/rogpeppe/go-internal/pull/160
• @bitfield made their first contribution in https://github.com/rogpeppe/go-internal/pull/169

Full Changelog: https://github.com/rogpeppe/go-internal/compare/v1.8.1...v1.9.0