Trivial Bug: Installer is not using shallow cloning for submodules

[xrobau]

While watching the installer run through, I noticed that most (all?) modules are shallow cloned.

Disregarding if that is a good idea or not (personally, I think it's a BAD idea, but that's not for this ticket), I noticed that you're not shallow cloning the SUBMODULES.

~/RetroPie-Setup/tmp/build/lr-ppsspp ~/RetroPie-Setup

= = = = = = = = = = = = = = = = = = = = =
Getting sources for 'lr-ppsspp' : PlayStation Portable emu - PPSSPP port for libretro
= = = = = = = = = = = = = = = = = = = = =

git clone --depth 1 "https://github.com/libretro/libretro-ppsspp.git" "/root/RetroPie-Setup/tmp/build/lr-ppsspp"
Cloning into '/root/RetroPie-Setup/tmp/build/lr-ppsspp'...
Submodule 'dx9sdk' (https://github.com/hrydgard/minidx9.git) registered for path 'dx9sdk'
Submodule 'ext/armips' (https://github.com/Kingcom/armips) registered for path 'ext/armips'
Submodule 'ffmpeg' (https://github.com/libretro/ppsspp-ffmpeg.git) registered for path 'ffmpeg'
Submodule 'lang' (https://github.com/hrydgard/ppsspp-lang.git) registered for path 'lang'
Submodule 'native' (https://github.com/libretro/ppsspp-native.git) registered for path 'native'
Submodule 'pspautotests' (https://github.com/hrydgard/pspautotests.git) registered for path 'pspautotests'
Cloning into 'dx9sdk'...
Submodule path 'dx9sdk': checked out 'ec19e643461c84dbb256f6faaaab02cba61d4edc'
Cloning into 'ext/armips'...
Submodule path 'ext/armips': checked out '8bd93be9ba715d2f5723857edacf936ae904d07c'
Cloning into 'ffmpeg'...

And it sits there.. This is because ffmpeg is a huge repository.

I would suggest you add --shallow-submodules to your git clone command, so only the required hash is retrieved.

[joolswills]

This could be problematic actually - http://stackoverflow.com/questions/27188899/shallow-clone-with-submodules-in-git-how-to-use-pointed-commits-and-not-latest

[xrobau]

Hmm, I think that's right. I was going to actually try it after this had finished... It may not be possible.

[joolswills]

(I was using --depth since older git doesn't have --shallow-submodules) - im reverting. sorry.

[xrobau]

What are the chances of you guys accepting a pull request to NOT use shallow cloning and to use persistent directories for git checkouts? (I'm on IRC at the moment, if you want to talk about it there)

[joolswills]

Bearing in mind x86 is not the primary target for retropie (rpi with small sd cards are), it would have to be an optional feature etc.

[joolswills]

I added a quick variable - will work for most stuff, but there may be issues

sudo __persistent_repos=1 ./retropie_setup.sh
sudo __persistent_repos=1 ./retropie_packages.sh

[joolswills]

variable name likely to change in the future and may be set automatically for desktop machines, but you can give it a test now anyway.