1#!/bin/bash
2
3mydir="$(dirname $0)"
4
5function freeze() {
6  [[ $# == 1 ]] || {
7    echo "usage: freeze.sh <level>"
8    echo "e.g. To freeze framework manifest for Android R, run:"
9    echo "  freeze.sh 5"
10    return 1
11  }
12  local level="$1"
13  [[ "${ANDROID_BUILD_TOP}" ]] || {
14    echo "ANDROID_BUILD_TOP is not set; did you run envsetup.sh?"
15    return 1
16  }
17  [[ "${ANDROID_HOST_OUT}" ]] || {
18    echo "ANDROID_HOST_OUT is not set; did you run envsetup.sh?"
19    return 1
20  }
21
22  local modules_to_build=check-vintf-all
23  echo "Building ${modules_to_build}"
24  "${ANDROID_BUILD_TOP}/build/soong/soong_ui.bash" --build-mode --all-modules --dir="$(pwd)" ${modules_to_build} || {
25    echo "${modules_to_build} failed. Backwards compatibility might be broken."
26    echo "Check framework manifest changes. If this is intentional, run "
27    echo "  \`vintffm --update\` with appropriate options to update frozen files."
28    return 1
29  }
30
31  echo "Updating level ${level}"
32  "${ANDROID_HOST_OUT}/bin/vintffm" --update --level "${level}" --dirmap "/system:${ANDROID_PRODUCT_OUT}/system" "${mydir}/frozen" || return 1
33
34  local files_to_diff="$(printf "${mydir}/frozen/%s\n" $(ls -1 -t -r ${mydir}/frozen | xargs -I{} basename {} | grep -B1 "${level}.xml"))"
35
36  echo
37  echo "Summary of changes:"
38  echo diff ${files_to_diff}
39  diff ${files_to_diff} || true
40}
41
42freeze $@
43