diff options
| author | 2023-01-26 17:43:24 -0800 | |
|---|---|---|
| committer | 2023-03-28 18:41:39 +0000 | |
| commit | 33940a9749666eec991904094ccf56ae4ca4ae10 (patch) | |
| tree | f37a8293dd1a7d5e29bb3d65d2efd4614d28d02d /libs/androidfw/BackupData.cpp | |
| parent | cdc63a6b18225b9aec225f3a1f2643c68942e5a1 (diff) | |
[RESTRICT AUTOMERGE][pm] prevent system app downgrades of versions lower than preload
Also remove misleading commandline output.
BUG: 256202273
Test: manual
1. Install preload system app v90, reboot
2. (W/O data, W/ Flag, 90->80 NOK) adb install -d ~/Downloads/PrivApplication_80.apk
Performing Streamed Install
adb: failed to install /usr/local/google/home/schfan/Downloads/PrivApplication_80.apk: Failure [INSTALL_FAILED_VERSION_DOWNGRADE: System app: com.example.privapplication cannot be downgraded to older than its preloaded version on the system image. Update version code 80 is older than current 90]
3. (90->100) Install data app v100
4. (W/ data, W/O Flag, 100->90 NOK) adb install ~/Downloads/PrivApplication_90.apk
Performing Streamed Install
adb: failed to install /usr/local/google/home/schfan/Downloads/PrivApplication_90.apk: Failure [INSTALL_FAILED_VERSION_DOWNGRADE: Downgrade detected: Update version code 90 is older than current 100]
5. (W/ data, W/ Flag, 100->90 downgrade OK) adb install -d ~/Downloads/PrivApplication_90.apk
Performing Streamed Install
Success
6. (90->100) Install v100
6. (W/data, W/ Flag, 100->80 NOK) adb install -d ~/Downloads/PrivApplication_80.apk
Performing Streamed Install
adb: failed to install /usr/local/google/home/schfan/Downloads/PrivApplication_80.apk: Failure [INSTALL_FAILED_VERSION_DOWNGRADE: System app: com.example.privapplication cannot be downgraded to older than its preloaded version on the system image. Update version code 80 is older than current 90]
(cherry picked from commit a4484d7f1be1fa413258fe18644d61f85611f586)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:d7c72817477b7b76ea41a55067057872d5b434bf)
Merged-In: I5a8ee9e29a3a58f6e3fd188e0122355744b8b0ce
Change-Id: I5a8ee9e29a3a58f6e3fd188e0122355744b8b0ce
Diffstat (limited to 'libs/androidfw/BackupData.cpp')
0 files changed, 0 insertions, 0 deletions