build(flox): Reorganize Flox environments

.github/workflows/build-and-test.yml

@@ -73,7 +73,7 @@ jobs:
         disable-metrics: true
       if: runner.os != 'Windows'
     - name: Run unit tests in a minimal environment
-      run: env -i "$(which flox)" activate -- ./gradlew --scan test jacocoTestReport
+      run: ./flox/run_isolated.sh minimal ./gradlew --scan test jacocoTestReport
       if: runner.os != 'Windows'
     - name: Run unit tests
       run: ./gradlew --scan test jacocoTestReport
@@ -101,7 +101,7 @@ jobs:
       with:
         disable-metrics: true
     - name: Run functional tests that do not require external tools
-      run: env -i "$(which flox)" activate -- ./gradlew --scan -Dkotest.tags=!RequiresExternalTool funTest jacocoFunTestReport
+      run: ./flox/run_isolated.sh minimal ./gradlew --scan -Dkotest.tags=!RequiresExternalTool funTest jacocoFunTestReport
     - name: Create Test Summary
       uses: test-summary/action@31493c76ec9e7aa675f1585d3ed6f1da69269a86 # v2
       with:

REUSE.toml

@@ -10,6 +10,11 @@ path = ".**"
 SPDX-FileCopyrightText = "2017 The ORT Project Authors (see <https://github.com/oss-review-toolkit/ort/blob/main/NOTICE>)"
 SPDX-License-Identifier = "Apache-2.0"
 
+[[annotations]]
+path = "**/.flox/**"
+SPDX-FileCopyrightText = "2025 The ORT Project Authors (see <https://github.com/oss-review-toolkit/ort/blob/main/NOTICE>)"
+SPDX-License-Identifier = "Apache-2.0"
+
 [[annotations]]
 path = "**/.gitattributes"
 SPDX-FileCopyrightText = "2018 The ORT Project Authors (see <https://github.com/oss-review-toolkit/ort/blob/main/NOTICE>)"

flox/external-tools/.flox/env.json

@@ -0,0 +1,4 @@
+{
+  "name": "external-tools",
+  "version": 1
+}