Keep server apk installed instead of pushing each time

[psychowood]

Hi,
I tried searching for a similar feature request without success, hopefully it's not a duplicate

Is your feature request related to a problem? Please describe.
I start & stop scrcpy very frequently, and I was wondering if this could lead to useless flash memory degradation on my android device.
From my understanding, the file is pushed to /data/local/tmp/scrcpy-server.jar

Describe the solution you'd like
Option to persist the server instead of pushing and deleting it each time. Maybe comparing the shasum with something like

adb shell sha2sum /data/local/tmp/scrcpy-server.jar

before pushing.

Describe alternatives you've considered
Always pushing to a tmpfs to avoid writing on persistent storage.

[rom1v]

From my understanding, the file is pushed to /data/local/tmp/scrcpy-server.jar

Correct.

The reason why it is always push is that:

• it's very fast
• it avoids a mechanism to check if the installed version is up-to-date
• checking would actually take as much time as just pushing it (and check+push takes more time)

I didn't thing about flash memory degradation though. But a priori, I would say that the write frequency is very low (it's not like a log file which could be written several times per second).

I'm not against an option to avoid it.

[psychowood]

What about the alternative, pushing to ramfs/tmpfs? I don't know Android well enough, is there a standard/default path that can be used in alternative?

[rom1v]

$ adb shell mount | grep tmpfs
tmpfs /dev tmpfs rw,seclabel,nosuid,relatime,mode=755 0 0
none /sys/fs/cgroup tmpfs rw,seclabel,relatime,mode=750,gid=1000 0 0
tmpfs /mnt tmpfs rw,seclabel,relatime,mode=755,gid=1000 0 0
tmpfs /storage tmpfs rw,seclabel,relatime,mode=755,gid=1000 0 0

shell do not have permission to write to these directories.

[rom1v]

#1880 (comment)

[rom1v]

Please check #3517.