Add owner permissions tests

tests/fixtures/owners/delta/build.yaml

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+image: "busybox"
+
+steps:
+- adduser foo -D
+- addgroup bar
+- touch /foo
+- chown foo:bar /foo
+- chmod 500 /foo

tests/fixtures/owners/delta/definition.yaml

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+category: "test"
+name: "delta"
+version: "1.0"

tests/fixtures/owners/unpack/build.yaml

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+image: "busybox"
+
+steps:
+- adduser baz -D
+- addgroup ba
+- touch /bar
+- chown baz:ba /bar
+- chmod 600 /bar
+- ls -liah /bar
+unpack: true
+
+includes:
+- bar

tests/fixtures/owners/unpack/definition.yaml

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+category: "test"
+name: "unpack"
+version: "1.0"

tests/integration/26_owners.sh

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+#!/bin/bash
+
+export LUET_NOLOCK=true
+
+oneTimeSetUp() {
+export tmpdir="$(mktemp -d)"
+}
+
+oneTimeTearDown() {
+  rm -rf "$tmpdir"
+}
+
+testBuild() {
+    [ "$LUET_BACKEND" == "img" ] && startSkipping
+    mkdir $tmpdir/testbuild
+    luet build --tree "$ROOT_DIR/tests/fixtures/owners" --destination $tmpdir/testbuild --compression gzip test/unpack test/delta
+    buildst=$?
+    assertEquals 'builds successfully' "$buildst" "0"
+    assertTrue 'create package unpack' "[ -e '$tmpdir/testbuild/unpack-test-1.0.package.tar.gz' ]"
+    assertTrue 'create package delta' "[ -e '$tmpdir/testbuild/delta-test-1.0.package.tar.gz' ]"
+}
+
+testRepo() {
+    [ "$LUET_BACKEND" == "img" ] && startSkipping
+    assertTrue 'no repository' "[ ! -e '$tmpdir/testbuild/repository.yaml' ]"
+    luet create-repo --tree "$ROOT_DIR/tests/fixtures/owners" \
+    --output $tmpdir/testbuild \
+    --packages $tmpdir/testbuild \
+    --name "test" \
+    --descr "Test Repo" \
+    --urls $tmpdir/testrootfs \
+    --type disk > /dev/null
+
+    createst=$?
+    assertEquals 'create repo successfully' "$createst" "0"
+    assertTrue 'create repository' "[ -e '$tmpdir/testbuild/repository.yaml' ]"
+}
+
+testConfig() {
+    [ "$LUET_BACKEND" == "img" ] && startSkipping
+    mkdir $tmpdir/testrootfs
+    cat <<EOF > $tmpdir/luet.yaml
+general:
+  debug: true
+system:
+  rootfs: $tmpdir/testrootfs
+  database_path: "/"
+  database_engine: "boltdb"
+config_from_host: true
+repositories:
+   - name: "main"
+     type: "disk"
+     enable: true
+     urls:
+       - "$tmpdir/testbuild"
+EOF
+    luet config --config $tmpdir/luet.yaml
+    res=$?
+    assertEquals 'config test successfully' "$res" "0"
+}
+
+testInstall() {
+    [ "$LUET_BACKEND" == "img" ] && startSkipping
+    luet install -y --config $tmpdir/luet.yaml test/unpack test/delta
+    installst=$?
+    assertEquals 'install test successfully' "$installst" "0"
+    fileUID=$(stat -c "%u" $tmpdir/testrootfs/foo)
+    fileGID=$(stat -c "%g" $tmpdir/testrootfs/foo)
+    filePerms=$(stat -c "%a" $tmpdir/testrootfs/foo)
+    assertEquals 'UID on /foo matches' "1000" "$fileUID"
+    assertEquals 'GID on /foo matches' "1001" "$fileGID"
+    assertEquals 'bits on /foo matches' "500" "$filePerms"
+
+    fileUID=$(stat -c "%u" $tmpdir/testrootfs/bar)
+    fileGID=$(stat -c "%g" $tmpdir/testrootfs/bar)
+    filePerms=$(stat -c "%a" $tmpdir/testrootfs/bar)
+    assertEquals 'UID on /bar matches' "1000" "$fileUID"
+    assertEquals 'GID on /bar matches' "1001" "$fileGID"
+    assertEquals 'bits on /bar matches' "600" "$filePerms"
+}
+
+testCleanup() {
+    [ "$LUET_BACKEND" == "img" ] && startSkipping
+    luet cleanup --config $tmpdir/luet.yaml
+    installst=$?
+    assertEquals 'cleanup test successfully' "$installst" "0"
+}
+
+# Load shUnit2.
+. "$ROOT_DIR/tests/integration/shunit2"/shunit2