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@@ -1,23 +1,64 @@
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#!/usr/bin/env bash
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#!/usr/bin/env bash
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# Reproducibility guard for the official F-Droid repo.
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# Reproducibility guard for the official F-Droid repo (de.jeanlucmakiola.calendula).
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#
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#
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# F-Droid only republishes OUR signed binary if a from-source build reproduces
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# F-Droid only republishes OUR signed binary if a from-source build reproduces it
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# it byte-for-byte. AGP's VCS-info injection writes
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# byte-for-byte and the binary carries no extra signing blocks. If any invariant
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# META-INF/version-control-info.textproto with build-environment git metadata
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# below regresses, the official repo silently stalls on the last good version
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# (commit hash / path) — env-dependent, and the one thing that broke
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# (fails safe — but you'd be stuck on an old release without noticing). So fail
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# reproducibility before we disabled it. It MUST stay off on the release build,
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# loudly here, on every PR.
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# or new versions silently stop publishing to the official repo (fails safe, but
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#
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# you'd be stuck on an old version without noticing). Fail loudly if it regresses.
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# Each invariant was learned from a real fdroiddata CI rejection (see
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# docs/fdroid-official/ and the v2.7.3 -> v2.7.5 history):
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# 1. vcsInfo { include = false } — else AGP embeds env-dependent git
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# metadata (META-INF/version-control-info.textproto) -> not reproducible.
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# 2. no foojay toolchain resolver — F-Droid's offline source scanner
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# rejects org.gradle.toolchains.foojay-resolver (it can fetch a JDK over
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# the network at build time).
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# 3. dependenciesInfo { includeInApk = false } — else AGP embeds a "Dependency
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# metadata" block (id 0x504b4453) in the APK Signing Block, which F-Droid's
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# binary scanner rejects as an extra signing block.
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set -euo pipefail
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set -euo pipefail
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F="app/build.gradle.kts"
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# Match `vcsInfo { ... include = false ... }` within the block, tolerant of
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APP="app/build.gradle.kts"
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# whitespace/newlines (-z: whole file as one record; [^}] stays inside the block).
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SETTINGS="settings.gradle.kts"
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if grep -Pzoq 'vcsInfo\s*\{[^}]*include\s*=\s*false' "$F"; then
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fail=0
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echo "OK: release build disables AGP VCS-info — stays reproducible for F-Droid."
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# 1. AGP VCS-info must be disabled on the release build. -z reads the whole file
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# as one record so the match can span newlines; [^}] keeps it inside the block.
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if grep -Pzoq 'vcsInfo\s*\{[^}]*include\s*=\s*false' "$APP"; then
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echo "OK: vcsInfo { include = false } — no env-dependent VCS metadata embedded."
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else
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else
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echo "ERROR: '$F' release build is missing 'vcsInfo { include = false }'." >&2
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echo "ERROR: '$APP' release build is missing 'vcsInfo { include = false }'." >&2
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echo "AGP would embed env-dependent git metadata (version-control-info.textproto)," >&2
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echo " AGP would embed version-control-info.textproto, breaking reproducibility." >&2
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echo "breaking F-Droid reproducible builds. Restore it. See docs/fdroid-official/." >&2
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fail=1
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fi
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# 2. The foojay toolchain resolver must not be present in any Gradle script.
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gradle_files=("$SETTINGS" "$APP")
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[ -f build.gradle.kts ] && gradle_files+=(build.gradle.kts)
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if grep -qi 'foojay' "${gradle_files[@]}"; then
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echo "ERROR: foojay toolchain resolver found in: $(grep -li foojay "${gradle_files[@]}" | tr '\n' ' ')" >&2
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echo " F-Droid's source scanner rejects org.gradle.toolchains.foojay-resolver" >&2
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echo " (it can fetch a JDK over the network). Remove the plugin." >&2
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fail=1
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else
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echo "OK: no foojay toolchain resolver — offline build scanner stays happy."
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fi
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# 3. AGP dependency-metadata block must not be embedded in the APK.
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if grep -Pzoq 'dependenciesInfo\s*\{[^}]*includeInApk\s*=\s*false' "$APP"; then
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echo "OK: dependenciesInfo { includeInApk = false } — no extra APK signing block."
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else
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echo "ERROR: '$APP' is missing 'dependenciesInfo { includeInApk = false }'." >&2
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echo " AGP would embed a 'Dependency metadata' block (0x504b4453) in the APK" >&2
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echo " Signing Block, which F-Droid's binary scanner rejects." >&2
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fail=1
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fi
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if [ "$fail" -ne 0 ]; then
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echo >&2
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echo "Reproducible-release invariant(s) violated — official F-Droid publishing would" >&2
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echo "stall. Fix the above before merging. See docs/fdroid-official/." >&2
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exit 1
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exit 1
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fi
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fi
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echo "All reproducible-release invariants hold."
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