Normalize primitive license text to MIT

.github/workflows/determinism.yml

@@ -1,38 +1,93 @@
 name: Determinism Check
 
 on:
-  pull_request:
-    branches: [main]
   push:
-    branches: [main]
-
-env:
-  LC_ALL: C
-  TZ: UTC
+  pull_request:
 
 jobs:
   determinism:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
-      - name: Determinism (stdout)
-        shell: bash
+      - uses: actions/checkout@v4
+
+      - name: Test empty stdin → deterministic INVALID
         run: |
-          set -euo pipefail
-          TOOL="./guillotine.sh"
-          if [ ! -f "$TOOL" ]; then
-            echo "FAIL: tool not found: $TOOL"
-            ls -la
-            exit 2
+          set -eu
+          EXIT_CODE=0
+          ./guillotine.sh < /dev/null > output.txt 2>&1 || EXIT_CODE=$?
+
+          if [ "$EXIT_CODE" -eq 0 ]; then
+            echo "FAIL: Empty stdin should not succeed"
+            exit 1
           fi
-          chmod +x "$TOOL" || true
-          out1="$(mktemp)"; out2="$(mktemp)"
-          ("$TOOL" || true) | tr -d "\r" > "$out1"
-          ("$TOOL" || true) | tr -d "\r" > "$out2"
-          if ! cmp -s "$out1" "$out2"; then
-            echo "FAIL: nondeterministic stdout for $TOOL"
-            echo "--- run1"; sed -n "1,200p" "$out1" || true
-            echo "--- run2"; sed -n "1,200p" "$out2" || true
+          echo "PASS: Empty stdin rejected with exit code $EXIT_CODE"
+
+      - name: Test determinism (run twice)
+        run: |
+          set -eu
+          echo "test input" | ./guillotine.sh > output1.txt 2>&1 || true
+          echo $? > exit1.txt
+
+          echo "test input" | ./guillotine.sh > output2.txt 2>&1 || true
+          echo $? > exit2.txt
+
+          if ! diff output1.txt output2.txt; then
+            echo "FAIL: stdout differs"
+            exit 1
+          fi
+
+          if ! diff exit1.txt exit2.txt; then
+            echo "FAIL: exit code differs"
+            exit 1
+          fi
+
+          echo "PASS: determinism verified"
+
+      - name: Test no state mutation
+        run: |
+          set -eu
+          TMPDIR="${RUNNER_TEMP:-/tmp}/guillotine-mut-${RANDOM}"
+          mkdir -p "$TMPDIR"
+          cp -f ./guillotine.sh "$TMPDIR/"
+          cd "$TMPDIR"
+          chmod +x ./guillotine.sh
+
+          BEFORE="$(mktemp)"
+          AFTER="$(mktemp)"
+          find . -maxdepth 1 -type f | LC_ALL=C sort > "$BEFORE"
+          echo "test" | ./guillotine.sh > /dev/null 2>&1 || true
+          find . -maxdepth 1 -type f | LC_ALL=C sort > "$AFTER"
+
+          if ! diff "$BEFORE" "$AFTER"; then
+            echo "FAIL: filesystem mutated"
+            exit 1
+          fi
+
+          echo "PASS: no state mutation"
+
+      - name: Test env isolation
+        run: |
+          set -eu
+          env | sort > env_before.txt
+          echo "test" | ./guillotine.sh > /dev/null 2>&1 || true
+          env | sort > env_after.txt
+
+          if ! diff env_before.txt env_after.txt; then
+            echo "FAIL: environment mutated"
+            exit 1
+          fi
+          echo "PASS: no env mutation"
+
+  version-lock:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Verify VERSION is locked at v0.0.0
+        run: |
+          VERSION=$(head -1 VERSION)
+          if [ "$VERSION" != "v0.0.0" ]; then
+            echo "FAIL: VERSION must be v0.0.0, got $VERSION"
             exit 1
           fi
-          echo "PASS: deterministic stdout for $TOOL"
+          echo "PASS: VERSION locked at v0.0.0"

LICENSE

@@ -1,94 +1,21 @@
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
-   1. Definitions.
-
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-      and distribution as defined by Sections 1 through 9 of this document.
-
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-      the copyright owner that is granting the License.
-
-      "Legal Entity" shall mean the union of the acting entity and all
-      other entities that control, are controlled by, or are under common
-      control with that entity.
-
-      "You" (or "Your") shall mean an individual or Legal Entity
-      exercising permissions granted by this License.
-
-      "Source" form shall mean the preferred form for making modifications,
-      including but not limited to software source code, documentation
-      source, and configuration files.
-
-      "Object" form shall mean any form resulting from mechanical
-      transformation or translation of a Source form.
-
-      "Work" shall mean the work of authorship, whether in Source or
-      Object form, made available under the License.
-
-      "Derivative Works" shall mean any work that is based on (or derived
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-
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-      inclusion in the Work.
-
-      "Contributor" shall mean Licensor and any individual or Legal Entity
-      on behalf of whom a Contribution has been received.
-
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-      royalty-free, irrevocable (except as stated in this section) patent
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-      otherwise transfer the Work.
-
-   4. Redistribution.
-      You may reproduce and distribute copies of the Work or Derivative
-      Works provided that You:
-      (a) give recipients a copy of this License; and
-      (b) mark modified files; and
-      (c) retain notices; and
-      (d) include NOTICE contents if present.
-
-   5. Submission of Contributions.
-      Contributions submitted for inclusion in the Work are under this
-      License unless explicitly stated otherwise.
-
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-      This License does not grant permission to use trade names, trademarks,
-      service marks, or product names of the Licensor.
-
-   7. Disclaimer of Warranty.
-      The Work is provided on an "AS IS" BASIS, WITHOUT WARRANTIES OR
-      CONDITIONS OF ANY KIND, either express or implied.
-
-   8. Limitation of Liability.
-      In no event shall any Contributor be liable for any damages arising
-      from the use of the Work.
-
-   9. Accepting Warranty or Additional Liability.
-      You may offer support or warranty only on Your own behalf.
-
-   END OF TERMS AND CONDITIONS
-
-   Copyright 2026 midiakiasat
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND.
+MIT License
+
+Copyright (c) 2026 Verifrax
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.