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https://github.com/nix-community/nix-on-droid.git
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tests: increase robustness of fakedroid.sh
This commit is contained in:
Tobias Happ
parent
274bb4babd
commit
7cea00a1c7
1 changed files with 64 additions and 58 deletions
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@ -8,73 +8,78 @@
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set -ueo pipefail
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QEMU_URL=https://github.com/multiarch/qemu-user-static/releases/download/v6.1.0-8/qemu-aarch64-static
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QEMU=.fakedroid/inj/qemu-aarch64
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INSTALLATION_DIR=/data/data/com.termux.nix/files/usr
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TARGET_HOME=/data/data/com.termux.nix/files/home
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REPO_DIR="$(dirname "$(dirname "$(readlink -f "$0")")")"
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INJ_DIR="$REPO_DIR/.fakedroid/inj"
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ENV_DIR="$REPO_DIR/.fakedroid/env"
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mkdir -p .fakedroid/inj
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mkdir -p .fakedroid/env/{$INSTALLATION_DIR,$TARGET_HOME,n-o-d}
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QEMU_URL="https://github.com/multiarch/qemu-user-static/releases/download/v6.1.0-8/qemu-aarch64-static"
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QEMU="$INJ_DIR/qemu-aarch64"
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export PROOT_TMP_DIR=.fakedroid/env/$INSTALLATION_DIR/proot/tmp
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export PROOT_L2S_DIR=.fakedroid/env/$INSTALLATION_DIR/proot/l2s
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mkdir -p $PROOT_TMP_DIR
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mkdir -p $PROOT_L2S_DIR
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INSTALLATION_DIR="/data/data/com.termux.nix/files/usr"
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TARGET_HOME="/data/data/com.termux.nix/files/home"
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PASSTHROUGH_VARS=''
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PASSTHROUGH_VARS+=" PROOT_TMP_DIR=$PROOT_TMP_DIR"
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PASSTHROUGH_VARS+=" PROOT_L2S_DIR=$PROOT_L2S_DIR"
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PASSTHROUGH_VARS+=" TERM=$TERM"
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PASSTHROUGH_VARS+=" HOME=$TARGET_HOME"
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PASSTHROUGH_VARS+=" USER=$USER"
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set +u
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[[ -n "$CACHIX_SIGNING_KEY" ]] && \
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PASSTHROUGH_VARS+=" CACHIX_SIGNING_KEY=$CACHIX_SIGNING_KEY"
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set -u
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mkdir -p "$INJ_DIR"
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mkdir -p "$ENV_DIR/"{"$INSTALLATION_DIR","$TARGET_HOME",n-o-d}
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PROOT_ARGS=''
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PROOT_ARGS+=' -r .fakedroid/env'
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PROOT_ARGS+=" -q $QEMU"
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PROOT_ARGS+=" -w $TARGET_HOME"
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PROOT_ARGS+=" -b .fakedroid/env/$INSTALLATION_DIR/nix:/nix"
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PROOT_ARGS+=" -b .fakedroid/env/$INSTALLATION_DIR/bin:/bin"
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PROOT_ARGS+=" -b .fakedroid/env/$INSTALLATION_DIR/etc:/etc"
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PROOT_ARGS+=" -b .fakedroid/env/$INSTALLATION_DIR/tmp:/tmp"
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PROOT_ARGS+=" -b .fakedroid/env/$INSTALLATION_DIR/usr:/usr"
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PROOT_ARGS+=' -b /dev'
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PROOT_ARGS+=' -b /proc'
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PROOT_ARGS+=' -b /sys'
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PROOT_ARGS+=' --link2symlink'
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export PROOT_TMP_DIR="$ENV_DIR/$INSTALLATION_DIR/proot/tmp"
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export PROOT_L2S_DIR="$ENV_DIR/$INSTALLATION_DIR/proot/l2s"
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mkdir -p "$PROOT_TMP_DIR" "$PROOT_L2S_DIR"
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PASSTHROUGH_VARS=(
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"PROOT_TMP_DIR=$PROOT_TMP_DIR"
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"PROOT_L2S_DIR=$PROOT_L2S_DIR"
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"TERM=$TERM"
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"HOME=$TARGET_HOME"
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"USER=$USER"
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)
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[[ -n "${CACHIX_SIGNING_KEY:-}" ]] && \
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PASSTHROUGH_VARS+=("CACHIX_SIGNING_KEY=$CACHIX_SIGNING_KEY")
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PROOT_ARGS=(
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"-r" "$ENV_DIR"
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"-q" "$QEMU"
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"-w" "$TARGET_HOME"
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"-b" "$ENV_DIR/$INSTALLATION_DIR/nix:/nix"
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"-b" "$ENV_DIR/$INSTALLATION_DIR/bin:/bin"
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"-b" "$ENV_DIR/$INSTALLATION_DIR/etc:/etc"
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"-b" "$ENV_DIR/$INSTALLATION_DIR/tmp:/tmp"
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"-b" "$ENV_DIR/$INSTALLATION_DIR/usr:/usr"
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"-b" "/dev"
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"-b" "/proc"
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"-b" "/sys"
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"--link2symlink"
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)
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# Procure a static QEMU for user emulation and a proot with our patches:
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[[ -e .fakedroid/inj/qemu-aarch64 ]] || wget $QEMU_URL -O $QEMU
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chmod +x $QEMU
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[[ -e "$QEMU" ]] || wget "$QEMU_URL" -O "$QEMU"
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chmod +x "$QEMU"
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PROOT=$(nix-build --no-out-link tests/proot-test.nix)/bin/proot
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PROOT="$(nix-build --no-out-link tests/proot-test.nix)/bin/proot"
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# Do the first install if not installed yet:
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if [[ ! -e .fakedroid/env/$INSTALLATION_DIR/etc ||
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-e .fakedroid/env/$INSTALLATION_DIR/etc/UNINITIALIZED ]]; then
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if [[ ! -e "$ENV_DIR/$INSTALLATION_DIR/etc" ||
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-e "$ENV_DIR/$INSTALLATION_DIR/etc/UNINITIALIZED" ]]; then
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# Build a zipball:
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nix build --show-trace -f pkgs \
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--argstr arch aarch64 \
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--argstr nixOnDroidChannelURL file:///n-o-d/archive.tar.gz \
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bootstrapZip -o .fakedroid/inj/nix-on-droid-aarch64
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ZIPBALL=$(realpath .fakedroid/inj/nix-on-droid-aarch64/bootstrap-aarch64.zip)
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bootstrapZip -o "$INJ_DIR/nix-on-droid-aarch64"
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ZIPBALL="$(realpath "$INJ_DIR/nix-on-droid-aarch64/bootstrap-aarch64.zip")"
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# Unpack the zipball the way the Android app does it:
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pushd .fakedroid/env/$INSTALLATION_DIR
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pushd "$ENV_DIR/$INSTALLATION_DIR"
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unzip "$ZIPBALL"
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chmod -R u+rw . # unzip results in -r-xr-xr-x files and directories
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while read e; do
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SYM_TGT=${e%%←*}
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SYM_SRC=${e##*←}
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while read -r e; do
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SYM_TGT="${e%%←*}"
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SYM_SRC="${e##*←}"
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ln -sf "$SYM_TGT" "$SYM_SRC"
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done < SYMLINKS.txt
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while read e; do
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while read -r e; do
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chmod +x "$e"
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done < EXECUTABLES.txt
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rm SYMLINKS.txt EXECUTABLES.txt
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@ -86,30 +91,31 @@ fi
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# Uncommitted chages won't be picked up, just HEAD.
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# /n-o-d/archive.tar.gz is used as a channel, /n-o-d/unpacked --- as a flake.
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rm -rf .fakedroid/env/n-o-d; mkdir -p .fakedroid/env/n-o-d/unpacked
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git archive --format=tar --prefix n-o-d/ HEAD \
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> .fakedroid/env/n-o-d/archive.tar
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rm -rf "$ENV_DIR/n-o-d"
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mkdir -p "$ENV_DIR/n-o-d/unpacked"
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git -C "$REPO_DIR" archive --format=tar --prefix n-o-d/ HEAD \
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> "$ENV_DIR/n-o-d/archive.tar"
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tar --strip-components=1 -xf \
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.fakedroid/env/n-o-d/archive.tar -C .fakedroid/env/n-o-d/unpacked
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gzip .fakedroid/env/n-o-d/archive.tar
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"$ENV_DIR/n-o-d/archive.tar" -C "$ENV_DIR/n-o-d/unpacked"
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gzip "$ENV_DIR/n-o-d/archive.tar"
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# The 'first boot' proot invocation:
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SH=$(readlink .fakedroid/env/$INSTALLATION_DIR/bin/sh)
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SH="$(readlink "$ENV_DIR/$INSTALLATION_DIR/bin/sh")"
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# 'first boot' execs interactive bash unconditionally;
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# makes sense on device, requires us to work around it here though
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env -i $PASSTHROUGH_VARS $PROOT $PROOT_ARGS \
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$INSTALLATION_DIR/$SH ${INSTALLATION_DIR}/usr/lib/login-inner <<<'echo OK'
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env -i "${PASSTHROUGH_VARS[@]}" "$PROOT" "${PROOT_ARGS[@]}" \
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"$INSTALLATION_DIR/$SH" "${INSTALLATION_DIR}/usr/lib/login-inner" <<<'echo OK'
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# this is usually done by login on 'first reboot'
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[[ -e .fakedroid/env/${INSTALLATION_DIR}/usr/lib/.login-inner.new ]] &&
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mv .fakedroid/env/${INSTALLATION_DIR}/usr/lib/.login-inner.new \
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.fakedroid/env/${INSTALLATION_DIR}/usr/lib/login-inner
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[[ -e "$ENV_DIR/$INSTALLATION_DIR/usr/lib/.login-inner.new" ]] &&
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mv "$ENV_DIR/$INSTALLATION_DIR/usr/lib/.login-inner.new" \
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"$ENV_DIR/${INSTALLATION_DIR}/usr/lib/login-inner"
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# Actually execute something inside that fakedroid environment:
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exec env -i $PASSTHROUGH_VARS $PROOT $PROOT_ARGS \
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$INSTALLATION_DIR/$SH ${INSTALLATION_DIR}/usr/lib/login-inner "$@"
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env -i "${PASSTHROUGH_VARS[@]}" "$PROOT" "${PROOT_ARGS[@]}" \
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"$INSTALLATION_DIR/$SH" "$INSTALLATION_DIR/usr/lib/login-inner" "$@"
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