diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index aa46dca0c..c723f0614 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,7 +34,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: denoland/setup-deno@v1   # using ourself to install deno could compromise the tests
         with:
-          deno-version: 1.39
+          deno-version: 1.40
       - run: deno cache **/*.test.ts
       - run: deno task test --coverage=cov_profile --no-check
       - run: deno coverage cov_profile --lcov --exclude=tests/ --output=cov_profile.lcov
@@ -59,7 +59,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: denoland/setup-deno@v1   # using ourself to install deno could compromise the tests
         with:
-          deno-version: 1.39
+          deno-version: 1.40
       - run: deno lint
 
   typecheck:
@@ -68,5 +68,5 @@ jobs:
       - uses: actions/checkout@v4
       - uses: denoland/setup-deno@v1
         with:
-          deno-version: 1.39
+          deno-version: 1.40
       - run: deno task typecheck
diff --git a/deno.jsonc b/deno.jsonc
index e46f9a704..73d4bb017 100644
--- a/deno.jsonc
+++ b/deno.jsonc
@@ -5,12 +5,12 @@
   },
   "tasks": {
     // runs this source checkout, args will be passed
-    "run": "deno run --unstable -A ./entrypoint.ts",
+    "run": "deno run --unstable-fs --unstable-ffi -A ./entrypoint.ts",
 
     // you can specify paths to specific tests if you need
     // follows is the ideal permissions lines, unfortunately deno considers making symlinks to require full read/write permissions for fuck knows why reasons
     //"test": "deno test --allow-read=$PWD,$TMPDIR,$HOME,/ --allow-env --allow-write=$TMPDIR --allow-ffi --unstable",
-    "test": "deno test --allow-read --allow-env --allow-write --allow-ffi --unstable",
+    "test": "deno test --unstable-ffi --allow-ffi --allow-read --allow-env --allow-write",
     // ^^ ffi & unstable needed for execve.ts
 
     // installs to /usr/local/bin/pkgx
@@ -18,10 +18,10 @@
 
     //--------------------------------------- ci/cd/admin
     "coverage" : "scripts/run-coverage.sh",
-    "typecheck": "deno check --unstable ./entrypoint.ts",
-    "compile": "deno compile --lock=deno.lock --allow-read --allow-write --allow-net --allow-run --allow-env --allow-ffi --unstable --output $INIT_CWD/pkgx ./entrypoint.ts"
+    "typecheck": "deno check ./entrypoint.ts",
+    "compile": "deno compile --lock=deno.lock --allow-read --allow-write --allow-net --allow-run --allow-env --allow-ffi --unstable-ffi --unstable-fs --output $INIT_CWD/pkgx ./entrypoint.ts"
   },
-  "pkgx": "deno~1.39",
+  "pkgx": "deno~1.40.2",
   "lint": {
     "exclude": ["src/**/*.test.ts"]
   },
diff --git a/deno.lock b/deno.lock
index 7b359645f..9ce7d76ee 100644
--- a/deno.lock
+++ b/deno.lock
@@ -20,9 +20,34 @@
     "https://deno.land/x/semver/mod.ts": "https://deno.land/x/semver@v1.4.1/mod.ts"
   },
   "remote": {
+    "https://deno.land/std@0.196.0/_util/diff.ts": "1a3c044aedf77647d6cac86b798c6417603361b66b54c53331b312caeb447aea",
     "https://deno.land/std@0.196.0/_util/os.ts": "d932f56d41e4f6a6093d56044e29ce637f8dcc43c5a90af43504a889cf1775e3",
+    "https://deno.land/std@0.196.0/assert/_constants.ts": "8a9da298c26750b28b326b297316cdde860bc237533b07e1337c021379e6b2a9",
+    "https://deno.land/std@0.196.0/assert/_format.ts": "a69126e8a469009adf4cf2a50af889aca364c349797e63174884a52ff75cf4c7",
     "https://deno.land/std@0.196.0/assert/assert.ts": "9a97dad6d98c238938e7540736b826440ad8c1c1e54430ca4c4e623e585607ee",
+    "https://deno.land/std@0.196.0/assert/assert_almost_equals.ts": "e15ca1f34d0d5e0afae63b3f5d975cbd18335a132e42b0c747d282f62ad2cd6c",
+    "https://deno.land/std@0.196.0/assert/assert_array_includes.ts": "6856d7f2c3544bc6e62fb4646dfefa3d1df5ff14744d1bca19f0cbaf3b0d66c9",
+    "https://deno.land/std@0.196.0/assert/assert_equals.ts": "a0ee60574e437bcab2dcb79af9d48dc88845f8fd559468d9c21b15fd638ef943",
+    "https://deno.land/std@0.196.0/assert/assert_exists.ts": "407cb6b9fb23a835cd8d5ad804e2e2edbbbf3870e322d53f79e1c7a512e2efd7",
+    "https://deno.land/std@0.196.0/assert/assert_false.ts": "a9962749f4bf5844e3fa494257f1de73d69e4fe0e82c34d0099287552163a2dc",
+    "https://deno.land/std@0.196.0/assert/assert_instance_of.ts": "09fd297352a5b5bbb16da2b5e1a0d8c6c44da5447772648622dcc7df7af1ddb8",
+    "https://deno.land/std@0.196.0/assert/assert_is_error.ts": "b4eae4e5d182272efc172bf28e2e30b86bb1650cd88aea059e5d2586d4160fb9",
+    "https://deno.land/std@0.196.0/assert/assert_match.ts": "c4083f80600bc190309903c95e397a7c9257ff8b5ae5c7ef91e834704e672e9b",
+    "https://deno.land/std@0.196.0/assert/assert_not_equals.ts": "9f1acab95bd1f5fc9a1b17b8027d894509a745d91bac1718fdab51dc76831754",
+    "https://deno.land/std@0.196.0/assert/assert_not_instance_of.ts": "0c14d3dfd9ab7a5276ed8ed0b18c703d79a3d106102077ec437bfe7ed912bd22",
+    "https://deno.land/std@0.196.0/assert/assert_not_match.ts": "3796a5b0c57a1ce6c1c57883dd4286be13a26f715ea662318ab43a8491a13ab0",
+    "https://deno.land/std@0.196.0/assert/assert_not_strict_equals.ts": "ca6c6d645e95fbc873d25320efeb8c4c6089a9a5e09f92d7c1c4b6e935c2a6ad",
+    "https://deno.land/std@0.196.0/assert/assert_object_match.ts": "27439c4f41dce099317566144299468ca822f556f1cc697f4dc8ed61fe9fee4c",
+    "https://deno.land/std@0.196.0/assert/assert_rejects.ts": "45c59724de2701e3b1f67c391d6c71c392363635aad3f68a1b3408f9efca0057",
+    "https://deno.land/std@0.196.0/assert/assert_strict_equals.ts": "5cf29b38b3f8dece95287325723272aa04e04dbf158d886d662fa594fddc9ed3",
+    "https://deno.land/std@0.196.0/assert/assert_string_includes.ts": "b821d39ebf5cb0200a348863c86d8c4c4b398e02012ce74ad15666fc4b631b0c",
+    "https://deno.land/std@0.196.0/assert/assert_throws.ts": "63784e951475cb7bdfd59878cd25a0931e18f6dc32a6077c454b2cd94f4f4bcd",
     "https://deno.land/std@0.196.0/assert/assertion_error.ts": "4d0bde9b374dfbcbe8ac23f54f567b77024fb67dbb1906a852d67fe050d42f56",
+    "https://deno.land/std@0.196.0/assert/equal.ts": "9f1a46d5993966d2596c44e5858eec821859b45f783a5ee2f7a695dfc12d8ece",
+    "https://deno.land/std@0.196.0/assert/fail.ts": "c36353d7ae6e1f7933d45f8ea51e358c8c4b67d7e7502028598fe1fea062e278",
+    "https://deno.land/std@0.196.0/assert/mod.ts": "08d55a652c22c5da0215054b21085cec25a5da47ce4a6f9de7d9ad36df35bdee",
+    "https://deno.land/std@0.196.0/assert/unimplemented.ts": "d56fbeecb1f108331a380f72e3e010a1f161baa6956fd0f7cf3e095ae1a4c75a",
+    "https://deno.land/std@0.196.0/assert/unreachable.ts": "4600dc0baf7d9c15a7f7d234f00c23bca8f3eba8b140286aaca7aa998cf9a536",
     "https://deno.land/std@0.196.0/bytes/concat.ts": "d26d6f3d7922e6d663dacfcd357563b7bf4a380ce5b9c2bbe0c8586662f25ce2",
     "https://deno.land/std@0.196.0/bytes/copy.ts": "939d89e302a9761dcf1d9c937c7711174ed74c59eef40a1e4569a05c9de88219",
     "https://deno.land/std@0.196.0/crypto/_fnv/fnv32.ts": "e4649dfdefc5c987ed53c3c25db62db771a06d9d1b9c36d2b5cf0853b8e82153",
@@ -39,11 +64,15 @@
     "https://deno.land/std@0.196.0/encoding/base64.ts": "144ae6234c1fbe5b68666c711dc15b1e9ee2aef6d42b3b4345bf9a6c91d70d0d",
     "https://deno.land/std@0.196.0/encoding/base64url.ts": "2ed4ba122b20fedf226c5d337cf22ee2024fa73a8f85d915d442af7e9ce1fae1",
     "https://deno.land/std@0.196.0/encoding/hex.ts": "b4b1a7cb678745b0bf181ed8cf2498c7be00d121a7de244b752fbf9c7d9c48cd",
+    "https://deno.land/std@0.196.0/fmt/colors.ts": "a7eecffdf3d1d54db890723b303847b6e0a1ab4b528ba6958b8f2e754cf1b3bc",
     "https://deno.land/std@0.196.0/fs/_util.ts": "fbf57dcdc9f7bc8128d60301eece608246971a7836a3bb1e78da75314f08b978",
     "https://deno.land/std@0.196.0/fs/move.ts": "b4f8f46730b40c32ea3c0bc8eb0fd0e8139249a698883c7b3756424cf19785c9",
     "https://deno.land/std@0.196.0/io/buf_reader.ts": "2bccff0878537ef201c5051fc0db0ce8196388c5ea69d2be6be1900fe48c5f4b",
     "https://deno.land/std@0.196.0/io/buffer.ts": "4d6883daeb2e698579c4064170515683d69f40f3de019bfe46c5cf31e74ae793",
     "https://deno.land/std@0.196.0/io/read_lines.ts": "c526c12a20a9386dc910d500f9cdea43cba974e853397790bd146817a7eef8cc",
+    "https://deno.land/std@0.196.0/json/common.ts": "ecd5e87d45b5f0df33238ed8b1746e1444da7f5c86ae53d0f0b04280f41a25bb",
+    "https://deno.land/std@0.196.0/jsonc/mod.ts": "b88dce28eb3645667caa856538ae2fe87af51410822544a0b45a4177ef3bd7dd",
+    "https://deno.land/std@0.196.0/jsonc/parse.ts": "c1096e2b7ffb4996d7ed841dfdb29a4fccc78edcc55299beaa20d6fe5facf7b6",
     "https://deno.land/std@0.196.0/path/_constants.ts": "e49961f6f4f48039c0dfed3c3f93e963ca3d92791c9d478ac5b43183413136e0",
     "https://deno.land/std@0.196.0/path/_interface.ts": "6471159dfbbc357e03882c2266d21ef9afdb1e4aa771b0545e90db58a0ba314b",
     "https://deno.land/std@0.196.0/path/_util.ts": "d7abb1e0dea065f427b89156e28cdeb32b045870acdf865833ba808a73b576d0",
@@ -53,7 +82,12 @@
     "https://deno.land/std@0.196.0/path/posix.ts": "8b7c67ac338714b30c816079303d0285dd24af6b284f7ad63da5b27372a2c94d",
     "https://deno.land/std@0.196.0/path/separator.ts": "0fb679739d0d1d7bf45b68dacfb4ec7563597a902edbaf3c59b50d5bcadd93b1",
     "https://deno.land/std@0.196.0/path/win32.ts": "4fca292f8d116fd6d62f243b8a61bd3d6835a9f0ede762ba5c01afe7c3c0aa12",
+    "https://deno.land/std@0.196.0/streams/read_all.ts": "ee319772fb0fd28302f97343cc48dfcf948f154fd0d755d8efe65814b70533be",
     "https://deno.land/std@0.196.0/streams/write_all.ts": "aec90152978581ea62d56bb53a5cbf487e6a89c902f87c5969681ffbdf32b998",
+    "https://deno.land/std@0.196.0/testing/_test_suite.ts": "30f018feeb3835f12ab198d8a518f9089b1bcb2e8c838a8b615ab10d5005465c",
+    "https://deno.land/std@0.196.0/testing/asserts.ts": "b4e4b1359393aeff09e853e27901a982c685cb630df30426ed75496961931946",
+    "https://deno.land/std@0.196.0/testing/bdd.ts": "3f446df5ef8e856a869e8eec54c8482590415741ff0b6358a00c43486cc15769",
+    "https://deno.land/std@0.196.0/testing/mock.ts": "4c52b8312d159179fdd9d9a1b35e342ee4e1a1248f29e5c7f57fb4011c3f55ed",
     "https://deno.land/std@0.196.0/yaml/_error.ts": "b59e2c76ce5a47b1b9fa0ff9f96c1dd92ea1e1b17ce4347ece5944a95c3c1a84",
     "https://deno.land/std@0.196.0/yaml/_loader/loader.ts": "47b9592efcb390b58b1903cc471bfdf1fc71a0d2d2b31e37b5cae7d8804c7aed",
     "https://deno.land/std@0.196.0/yaml/_loader/loader_state.ts": "0841870b467169269d7c2dfa75cd288c319bc06f65edd9e42c29e5fced91c7a4",
@@ -363,6 +397,7 @@
     "https://deno.land/std@0.204.0/yaml/schema/json.ts": "5f41dd7c2f1ad545ef6238633ce9ee3d444dfc5a18101e1768bd5504bf90e5e5",
     "https://deno.land/std@0.204.0/yaml/schema/mod.ts": "4472e827bab5025e92bc2eb2eeefa70ecbefc64b2799b765c69af84822efef32",
     "https://deno.land/std@0.204.0/yaml/type.ts": "65553da3da3c029b6589c6e4903f0afbea6768be8fca61580711457151f2b30f",
+    "https://deno.land/std@0.213.0/fmt/colors.ts": "aeaee795471b56fc62a3cb2e174ed33e91551b535f44677f6320336aabb54fbb",
     "https://deno.land/x/cliffy@v1.0.0-rc.3/ansi/ansi.ts": "481e382126922ff686dd664f4bae6bc44df44bc5ed883c0f5f8a8b3776e5a983",
     "https://deno.land/x/cliffy@v1.0.0-rc.3/ansi/ansi_escapes.ts": "193b3c3a4e520274bd8322ca4cab1c3ce38070bed1898cb2ade12a585dddd7c9",
     "https://deno.land/x/cliffy@v1.0.0-rc.3/ansi/chain.ts": "eca61b1b64cad7b9799490c12c7aa5538d0f63ac65a73ddb6acac8b35f0a5323",
@@ -452,6 +487,34 @@
     "https://deno.land/x/libpkgx@v0.16.0/src/utils/misc.ts": "a4d7944da07066e5dd2ef289af436dc7f1032aed4272811e9b19ceeed60b8491",
     "https://deno.land/x/libpkgx@v0.16.0/src/utils/pkg.ts": "5ef9cc1955a5067489ac4d2af8615652505cb17a48745e811cb786ab89377547",
     "https://deno.land/x/libpkgx@v0.16.0/src/utils/semver.ts": "eec31f4345ea483eac7e0fbfdcc0061499077df03c4b6ec7666cd0d29c6cab98",
+    "https://deno.land/x/libpkgx@v0.17.0/mod.ts": "14a69905ffad8064444c02d146008efeb6a0ddf0fe543483839af18e01684f5a",
+    "https://deno.land/x/libpkgx@v0.17.0/src/deps.ts": "4315cdd8b0c9eef84e30f73080b8838fb5fcece1ef28f0cc3ae2b6d7ad21eb43",
+    "https://deno.land/x/libpkgx@v0.17.0/src/hooks/useCache.ts": "9f3cc576fabae2caa6aedbf00ab12a59c732be1315471e5a475fef496c1e35ae",
+    "https://deno.land/x/libpkgx@v0.17.0/src/hooks/useCellar.ts": "c1e264fcb732423734f8c113fc7cb80c97befe8f13ed9d24906328bc5526c72d",
+    "https://deno.land/x/libpkgx@v0.17.0/src/hooks/useConfig.ts": "c29d8f9c6dc7b5289c485b3ff37a6e0f04d9a51031813e892015e69afc512a64",
+    "https://deno.land/x/libpkgx@v0.17.0/src/hooks/useDownload.ts": "62b2043fcbc06a0925eb06fc5ed5f2f2ef3779e8ce10bc44b0163e9bd9b8cbc0",
+    "https://deno.land/x/libpkgx@v0.17.0/src/hooks/useFetch.ts": "ecf29342210b8eceed216e3bb73fcc7ea5b3ea5059686cf344ed190ca42ff682",
+    "https://deno.land/x/libpkgx@v0.17.0/src/hooks/useInventory.ts": "0f47a71f51f752e53e2e32786e68375a314f6fc6bb225cd626a412a83086ebbd",
+    "https://deno.land/x/libpkgx@v0.17.0/src/hooks/useMoustaches.ts": "e9166ddace759315782be0f570a4cd63c78e3b85592d59b75ddd33a0e401aa6b",
+    "https://deno.land/x/libpkgx@v0.17.0/src/hooks/useOffLicense.ts": "9a7a35bd83a8dbb5a25d532e2ab885b5fb77101cc38fad10c5f3ea6a49a24e02",
+    "https://deno.land/x/libpkgx@v0.17.0/src/hooks/usePantry.ts": "cdbc3bd1abf41eb2d7369fdc6adf1fe9baca0fc8f3df5aac23fa64730972d821",
+    "https://deno.land/x/libpkgx@v0.17.0/src/hooks/useShellEnv.ts": "14d29f23b8e256590318cfd5fb840955038429c4cac8f71dfbf8deb46b7d88ec",
+    "https://deno.land/x/libpkgx@v0.17.0/src/hooks/useSync.ts": "c098321da6c59126a3b8150bcea5e6fc43348c00810ba6db88ce4f5de0fdb556",
+    "https://deno.land/x/libpkgx@v0.17.0/src/plumbing/hydrate.ts": "c75f151ed307532ce9c2bf62c61e6478bb1132f95a11b848e02ea2dec08c2ff3",
+    "https://deno.land/x/libpkgx@v0.17.0/src/plumbing/install.ts": "19244fb150e80a0bbbed90e4a3f47e2c5aa3e0919ff060cec1db0b789730b560",
+    "https://deno.land/x/libpkgx@v0.17.0/src/plumbing/link.ts": "acb98bf014414208f14c5f57fa36e2aa66ae9bee69d763120c3ddb656e244063",
+    "https://deno.land/x/libpkgx@v0.17.0/src/plumbing/resolve.ts": "9425e0d201ee440a8dc011940046f0bb6d94aa29cd738e1a8c39ca86e55aad41",
+    "https://deno.land/x/libpkgx@v0.17.0/src/plumbing/which.ts": "24778f645c9aaea67df51b671474fffe01c1d3b188552943e24d61d51fa6b80d",
+    "https://deno.land/x/libpkgx@v0.17.0/src/porcelain/install.ts": "6e41d94226b8eb33a9fbb591e5ddd95e2c5e0c2449cc617ac5f365746d1e4592",
+    "https://deno.land/x/libpkgx@v0.17.0/src/porcelain/run.ts": "20c60bebeca51daf12d9e5baefe8670844162308734f8a189a1f484c4155d671",
+    "https://deno.land/x/libpkgx@v0.17.0/src/types.ts": "dc1a4e6458d11454282f832909838c56f786a26eed54fb8ab5675d6691ebf534",
+    "https://deno.land/x/libpkgx@v0.17.0/src/utils/Path.ts": "72bbb8afa6a40e3cfbf01d4d9069e0818e7abaf0021703a20b0677f06c01e883",
+    "https://deno.land/x/libpkgx@v0.17.0/src/utils/error.ts": "b0d3130f5cdfc0cc8ea10f93fea0e7e97d4473ddc9bc527156b0fcf24c7b939c",
+    "https://deno.land/x/libpkgx@v0.17.0/src/utils/flock.deno.ts": "c57b32f656d06140e58886973beec20661f1d0809bf652376acc64969b85942a",
+    "https://deno.land/x/libpkgx@v0.17.0/src/utils/host.ts": "3b9e0d4cb05f9bde0ee8bcb0f8557b0a339f6ef56dfb1f08b2cfa63b44db91ee",
+    "https://deno.land/x/libpkgx@v0.17.0/src/utils/misc.ts": "a4d7944da07066e5dd2ef289af436dc7f1032aed4272811e9b19ceeed60b8491",
+    "https://deno.land/x/libpkgx@v0.17.0/src/utils/pkg.ts": "e737cc9a98cd6a2797668c6ef856128692290256a521cc3906bd538410925451",
+    "https://deno.land/x/libpkgx@v0.17.0/src/utils/semver.ts": "eec31f4345ea483eac7e0fbfdcc0061499077df03c4b6ec7666cd0d29c6cab98",
     "https://deno.land/x/outdent@v0.8.0/mod.ts": "72630e680dcc36d5ae556fbff6900b12706c81a6fd592345fc98bcc0878fb3ca",
     "https://deno.land/x/outdent@v0.8.0/src/index.ts": "6dc3df4108d5d6fedcdb974844d321037ca81eaaa16be6073235ff3268841a22",
     "https://deno.land/x/semver@v1.4.1/mod.ts": "0b79c87562eb8a1f008ab0d98f8bb60076dd65bc06f1f8fdfac2d2dab162c27b",
diff --git a/entrypoint.ts b/entrypoint.ts
index c9471fc49..b434849b5 100644
--- a/entrypoint.ts
+++ b/entrypoint.ts
@@ -7,7 +7,7 @@ import { render as perror } from "./src/err-handler.ts"
 import { setColorEnabled } from "deno/fmt/colors.ts"
 import clicolor from "./src/utils/clicolor.ts"
 
-setColorEnabled(clicolor(Deno.stderr.rid))
+setColorEnabled(clicolor(Deno.stderr))
 
 ///////////////////////////////////////////////////////// backwards compatability
 const argstr = Deno.args.join(' ')
@@ -71,7 +71,7 @@ try {
 
 /////////////////////////////////////////////////////////////////////////// utils
 function logger_prefix() {
-  if (Deno.env.get("CI") || !Deno.isatty(Deno.stdin.rid)) {
+  if (Deno.env.get("CI") || !Deno.stdin.isTerminal()) {
     return 'pkgx'
   }
 }
diff --git a/src/app.ts b/src/app.ts
index 1a6d44dbd..20d1f323c 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -92,7 +92,7 @@ export default async function({ flags, ...opts }: Args, logger_prefix?: string)
     console.log(shellcode())
     break
   case 'help':
-    setColorEnabled(clicolor(Deno.stdout.rid))
+    setColorEnabled(clicolor(Deno.stdout))
     console.log(help(flags.verbosity))
     break
   case 'env': {
@@ -122,7 +122,7 @@ async function ensure_pantry() {
 
 function make_logger(verbosity: number, logger_prefix?: string): IInstallLogger {
   const logger = new Logger(logger_prefix)
-  if (verbosity <= -2 || !Deno.isatty(Deno.stderr.rid)) {
+  if (verbosity <= -2 || !Deno.stderr.isTerminal()) {
     return {
       replace: () => {},
       clear: () => {},
diff --git a/src/modes/integrate.ts b/src/modes/integrate.ts
index 7cc6d2050..b09c10ca9 100644
--- a/src/modes/integrate.ts
+++ b/src/modes/integrate.ts
@@ -80,7 +80,7 @@ export default async function(op: 'install' | 'uninstall', { dryrun }: { dryrun:
     }
     break
   case 'install':
-    if (!_internals.isatty(Deno.stdout.rid)) {
+    if (!_internals.isatty(Deno.stdout)) {
       // we're being sourced, output the hook
       _internals.stdout(shellcode())
     } else if (opd_at_least_once) {
@@ -125,7 +125,7 @@ function shells(): [Path, string][] {
 export const _internals = {
   home: Path.home,
   host,
-  isatty: Deno.isatty,
+  isatty: (x: {isTerminal: () => boolean}) => x.isTerminal(),
   stdout: console.log,
   stderr: console.error
 }
diff --git a/src/utils/clicolor.ts b/src/utils/clicolor.ts
index 6d0213f89..5de986e0d 100644
--- a/src/utils/clicolor.ts
+++ b/src/utils/clicolor.ts
@@ -1,5 +1,5 @@
 
-export default function(dst = Deno.stdout.rid, env = Deno.env.toObject()) {
+export default function(dst = Deno.stdout, env = Deno.env.toObject()) {
   // interprets https://no-color.org
   // see: https://deno.land/api@v1.37.1?s=Deno.noColor
   if (Deno.noColor) {
@@ -8,9 +8,9 @@ export default function(dst = Deno.stdout.rid, env = Deno.env.toObject()) {
 
   //https://bixense.com/clicolors/
 
-  //NOTE we (mostly) only output colors to stderr hence the isatty check for that
+  //NOTE we (mostly) only output colors to stderr hence the isTerminal() check for that
   //FIXME not true for --help tho
-  if (env.CLICOLOR !== '0' && Deno.isatty(dst)) {
+  if (env.CLICOLOR !== '0' && dst.isTerminal()) {
     return true
   }
   if ((env.CLICOLOR_FORCE ?? '0') != '0') {
diff --git a/src/utils/exeve.test.ts b/src/utils/execve.test.ts
similarity index 100%
rename from src/utils/exeve.test.ts
rename to src/utils/execve.test.ts