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A simple CLI client for installing and maintaining linux GOG games

License: GNU General Public License v3.0

Rust 100.00%

wyvern gog linux rust downloading-games installing-games gog-galaxy

wyvern's People

Contributors

Stargazers

Watchers

Forkers

jjesus-dev sigboe peneheals jbaker0

wyvern's Issues

Some Windows games fail to install

Installing the Windows versions of the following games fails:

FTL
Tyrian 2000
Theme Park
Flight of the Amazon Queen

and probably more.

Installing some other games works, such as:

La-Mulana
Reigns
Akalabeth: World of Doom

Log output on failure:

name = 'wyvern'
operating_system = 'unix:Arch'
crate_version = '1.4.1'
explanation = '''
Panic occurred in file '~/.cargo/registry/src/github.com-1ecc6299db9ec823/gog-0.4.0/src/extract.rs' at line 243
cause = 'called `Result::unwrap()` on an `Err` value: FromUtf8Error { bytes : [ <removed giant array of integers for brevity> ] }
method = 'Panic'
backtrace = '''
   0: 0x5614e4241c63 - <unresolved>
   1: 0x5614e3e1eb50 - <unresolved>
   2: 0x5614e3dfd591 - <unresolved>
   3: 0x5614e3d99726 - <unresolved>
   4: 0x5614e3d97f8f - <unresolved>
   5: 0x5614e3deb9e3 - <unresolved>
   6: 0x5614e3debef3 - <unresolved>
   7: 0x5614e421f76e - <unresolved>
   8: 0x5614e3d9fea2 - <unresolved>
   9: 0x7fb4ff402152 - __libc_start_main
  10: 0x5614e3d7c10e - <unresolved>
  11:        0x0 - <unresolved>'''

Looks like some kind of an encoding issue perhaps?

Crash

Because I wanted to see what error message I got I altered the refresh_token and got the following error. Exit code 101,

It asked to file a bug report, so here it is.

I am guessing it should rather detect that he login information is not valid, and ask you to login again?

Well, this is embarrassing.

wyvern had a problem and crashed. To help us diagnose the problem you can send us a crash report.

We have generated a report file at "/tmp/report-a20b3f83-f898-4b04-9992-87539dcec20f.toml". Submit an issue or email with the subject of "wyvern Crash Report" and include the report as an attachment.

- Authors: nicohman <[email protected]>

We take privacy seriously, and do not perform any automated error collection. In order to improve the software, we rely on people to submit reports.

Thank you kindly!

Crash report

name = 'wyvern'
operating_system = 'unix:Unknown'
crate_version = '1.2.0'
explanation = '''
Panic occurred in file 'src/libcore/result.rs' at line 1009
'''
method = 'Panic'
backtrace = '''
stack backtrace:
   0: <no info> (0x55ff3e3723b6)
   1: <no info> (0x55ff3e371387)
   2: <no info> (0x55ff3e3712ad)
   3: <no info> (0x55ff3e2c9ca2)
   4: <no info> (0x55ff3e2c9187)
   5: <no info> (0x55ff3dfbcecb)
   6: <no info> (0x55ff3e3e21e9)
   7: <no info> (0x55ff3e3e1ca1)
   8: <no info> (0x55ff3e3e1b85)
   9: <no info> (0x55ff3e41449c)
  10: <no info> (0x55ff3dfe3c79)
  11: <no info> (0x55ff3dfb4dfb)
  12: <no info> (0x55ff3dfbe4ef)
  13: <no info> (0x55ff3e3e1b22)
  14: <no info> (0x55ff3e4064d9)
  15: <no info> (0x55ff3e3ee85a)
  16: <no info> (0x55ff3dfbcf44)
  17: <no info> (0x7fd72b670412)
  18: <no info> (0x55ff3dfaa15d)
  19: <no info> (0x0)'''

Are both galaxy and non-galaxy installers avilable for download?

dscharrer/innoextract#79

The guy over at innoextract says that the installers that wyvern fetches are galaxy installers, and they are more different from normal innosetup files.

Can you see both in the API? can you maybe allow or even default to preferring non-galaxy setup files?

Wyvern cant see that some games with linux installer has linux installer

Baseball Stars 2 [2020914910]
Garou - Mark of the Wolves [1830215906]
Last Blade [2146639333]
Metal Slug [1136471182]
Metal Slug 2 [1241813850]
Metal Slug 3 [1370911530]
Metal Slug X [2046360890]
Shock Troopers [1633815479]
Shock Troopers: Second Squad [1816849333]
Twinkle Star Sprites  [1955376433]

these games all have linux installers, but they give the message

This game does not support linux! Would you like to download the windows version to run under wine? [Y/n]

On the webpage these games list OSX and Linux installers as unsupported extras

Thanks to @MajorDangerNine for discovering this

wrong signature type

Hello Nicohman,

First of all, I really like the program you are making! Keep up the good work!

Unfortunately I cannot get it to work properly. I logged in with a OAuth token, when i do wyvern ls, it shows the games I have but when I download I get this error:

Error downloading file. Error message:https://gog.com/downloads/dead_cells/en3installer0: error trying to connect: error:1414D172:SSL routines:tls12_check_peer_sigalg:wrong signature type:../ssl/t1_lib.c:1110:

Also when I try to login with my username and password I get this error:

ERROR 2019-08-17T07:06:41Z: wyvern: Could not login to GOG. ERROR 2019-08-17T07:06:41Z: wyvern: Error: Error(SessionNetwork(ReqwestError(Error(Hyper(Error(Connect, Custom { kind: Other, error: Ssl(Error { code: ErrorCode(1), cause: Some(Ssl(ErrorStack([Error { code: 336908658, library: "SSL routines", function: "tls12_check_peer_sigalg", reason: "wrong signature type", file: "../ssl/t1_lib.c", line: 1110 }]))) }, X509VerifyResult { code: 0, error: "ok" }) })), "https://gog.com/"))), State { next_error: None, backtrace: InternalBacktrace { backtrace: None } })
Hopefully it can be solved, I would love to use wyvern!

SSL error again

SSL: no alternative certificate subject name matches target host name 'demenses.net'

Host raspberry pi binaries?

Hey when I try to install from binary it on a raspberry pi it starts compiling dependencies.

I imagine you don't host binaries for arm architectures?

I would like to get this working on raspberry pi so I can possibly look into a converter for for example retropie, so I can download dosbox based games from gog, and convert the settings files, or image files to be run from dosbox on linux, and be put into launcher entries in EmulationStation.

`wyvern ls` returns 100 games when I have 492

I'm guessing it's not taking pagination into account?
There's exactly 100 games per page in the store's game list.

OS info:

 ██████████████████  ████████     bant@floyd
 ██████████████████  ████████     OS: Manjaro 18.0.2 Illyria
 ██████████████████  ████████     Kernel: x86_64 Linux 4.14.94-1-MANJARO
 ██████████████████  ████████     Uptime: 37m
 ████████            ████████     Packages: 1280
 ████████  ████████  ████████     Shell: zsh 5.6.2
 ████████  ████████  ████████     Resolution: 1920x1200
 ████████  ████████  ████████     WM: i3
 ████████  ████████  ████████     GTK Theme: Adapta-Nokto-Eta-Maia [GTK2/3]
 ████████  ████████  ████████     Icon Theme: Papirus-Adapta-Nokto-Maia
 ████████  ████████  ████████     Font: Noto Sans 10
 ████████  ████████  ████████     CPU: Intel Core i7-7500U @ 4x 3.5GHz [54.0°C]
 ████████  ████████  ████████     GPU: Mesa DRI Intel(R) HD Graphics 620 (Kaby Lake GT2) 
 ████████  ████████  ████████     RAM: 5965MiB / 24007MiB

Crash report

This happens on wyvern installed via cargo on Rasbian Buster when trying to download my full games library. (for now I've just wrapped it in a while loop that continues until exit code is 0, it does get to download few gigabytes every time before crashing, so I can still make progress)

name = 'wyvern'
operating_system = 'unix:Unknown'
crate_version = '1.4.1'
explanation = '''
Panic occurred in file 'src/libcore/result.rs' at line 1188
'''
cause = 'called `Result::unwrap()` on an `Err` value: Error(Io(Custom { kind: TimedOut, error: "timed out" }), State { next_error: None, backtrace: InternalBacktrace { backtrace: None } })'
method = 'Panic'
backtrace = '''

   0: 0x98611c - core::result::unwrap_failed::h6f265d930aca7ba0
            at /usr/src/rustc-1.41.1/src/libcore/result.rs:1188
   1: 0x52d2fc - wyvern::games::download::download_prep::h25ea0ce7c56e8db1
   2: 0x4dd7bc - wyvern::parse_args::hbf1cb48c0dbb5a60
   3: 0x4db364 - wyvern::main::hba3c02c2804132ac
   4: 0x534928 - std::rt::lang_start::{{closure}}::h323683cfed830603
   5: 0x96da2c - std::rt::lang_start_internal::{{closure}}::hd577abfa6cbb5c86
            at /usr/src/rustc-1.41.1/src/libstd/rt.rs:52
             - std::panicking::try::do_call::hc3f947477ee8c99a
            at /usr/src/rustc-1.41.1/src/libstd/panicking.rs:292
   6: 0x97074c - __rust_maybe_catch_panic
            at /usr/src/rustc-1.41.1/src/libpanic_unwind/lib.rs:78
   7: 0x95b9c8 - std::panicking::try::h418b59a1b5e34b4e
            at /usr/src/rustc-1.41.1/src/libstd/panicking.rs:270
             - std::panic::catch_unwind::he1fef2aa549f171b
            at /usr/src/rustc-1.41.1/src/libstd/panic.rs:394
             - std::rt::lang_start_internal::he16591861f8071f7
            at /usr/src/rustc-1.41.1/src/libstd/rt.rs:51
   8: 0x4e3248 - main
   9: 0xb6a33718 - __libc_start_main'''

If Ctrl+C during download please clean up

If you do Ctrl+C during download, making an unfinished download. Please clean up before exiting.

Or if you want to implement resuming downloads, maybe append .tmp to the file during downloads.

wyvern extras --all --id 1207666073 --output folder/

It would be super nice to get a few extra features in the extras subcommand.

wyvern extras --all --id 1207666073 --output folder-name

I'd like to decide both the specific game, not searching for a name, and selecting what folder to download to. This would practically fix #17 for me.

returncodes for login errors?

Sometimes I get errors like

ERROR 2019-06-18T21:09:40Z: gog::token: Login failed. Incorrect credentials
ERROR 2019-06-18T21:09:40Z: wyvern: Could not login to GOG.
ERROR 2019-06-18T21:09:40Z: wyvern: Wrong email or password. Sometimes this fails because GOG's login form can be inconsistent, so you may just need to try again.

Which are totally fair. I just wonder if you could add a retuncodes so I can react to them more easily.

Option to return in json format for better batch and automation support.

Could you have the option to return in json instead of plain text?

Right now I do crazy stuff like
mapfile -t myLibrary < <(wyvern ls | perl -pe 's:\ -\ (?!.*\ -\ ):;:g' | awk -F';' '{print $2 "\n" $1}')

😄

Cannot login

So either I'm too stupid to use this, it's not properly documented or I am encountering a bug:

$ wyvern ls
It appears that you have not logged into GOG. Please pick a login method.
Login Method:
  OAuth Token Login
  Username/Password Login

so far so good. But as soon as I press any button, the text below Login Method: disappears and nothing happens anymore, also no characters that I type are displayed. Should I type something into a password field or should there appear something that doesn't?

I don't want to put my password into my bash-history, so I would prefer an interactive login method.

Distro: Archlinux
Version: wyvern 1.4.0 - installed from AUR an hour or so ago.

Download single files

Can i select files to download (not extras or dlc but the main game installer)? If i have an installer weighing 47 GB i might not want to start downloading all 21 files but only the last if something went wrong...

Update fails at "Fetching installer data." with certain games

I've ran into an issue when updating certain games, different from #15. So far i've encountered this when updating BattleTech, Tower of Time and SOMA.

mike@bigrig:~/GOG Games/BATTLETECH$ RUST_BACKTRACE=1 wyvern -vvvv update
 INFO 2019-03-19T19:17:27Z: wyvern: Path not specified. Using current dir
 INFO 2019-03-19T19:17:27Z: wyvern: Updating game
 INFO 2019-03-19T19:17:27Z: wyvern::games::update: Reading in gameinfo file
 INFO 2019-03-19T19:17:27Z: wyvern::games::update: Parsing gameinfo
 INFO 2019-03-19T19:17:27Z: wyvern::config: Getting name from gameinfo
 INFO 2019-03-19T19:17:27Z: wyvern::config: Getting version string from gameinfo
 INFO 2019-03-19T19:17:27Z: wyvern::games::update: Searching GOG products for BATTLETECH
 INFO 2019-03-19T19:17:28Z: wyvern::games::update: Fetching the GameDetails for first result of search
 INFO 2019-03-19T19:17:29Z: wyvern::games::update: Getting game's linux downloads
 INFO 2019-03-19T19:17:29Z: wyvern::games::update: Fetching installer data.
thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Custom { kind: UnexpectedEof, error: StringError("failed to fill whole buffer") }', src/libcore/result.rs:997:5
stack backtrace:
   0: std::sys::unix::backtrace::tracing::imp::unwind_backtrace
             at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
   1: std::sys_common::backtrace::_print
             at src/libstd/sys_common/backtrace.rs:70
   2: std::panicking::default_hook::{{closure}}
             at src/libstd/sys_common/backtrace.rs:58
             at src/libstd/panicking.rs:200
   3: std::panicking::default_hook
             at src/libstd/panicking.rs:215
   4: std::panicking::rust_panic_with_hook
             at src/libstd/panicking.rs:478
   5: std::panicking::continue_panic_fmt
             at src/libstd/panicking.rs:385
   6: rust_begin_unwind
             at src/libstd/panicking.rs:312
   7: core::panicking::panic_fmt
             at src/libcore/panicking.rs:85
   8: core::result::unwrap_failed
             at /rustc/2aa4c46cfdd726e97360c2734835aa3515e8c858/src/libcore/macros.rs:16
   9: <core::result::Result<T, E>>::unwrap
             at /rustc/2aa4c46cfdd726e97360c2734835aa3515e8c858/src/libcore/result.rs:798
  10: gog::extract::CDEntry::from_reader
             at /home/mike/.cargo/git/checkouts/gog-rs-3c06ac510bb5cd16/0d2a926/src/extract.rs:175
  11: gog::Gog::extract_data
             at /home/mike/.cargo/git/checkouts/gog-rs-3c06ac510bb5cd16/0d2a926/src/lib.rs:752
  12: wyvern::games::update::update
             at src/games.rs:38
  13: wyvern::parse_args
             at src/main.rs:397
  14: wyvern::main
             at src/main.rs:89
  15: std::rt::lang_start::{{closure}}
             at /rustc/2aa4c46cfdd726e97360c2734835aa3515e8c858/src/libstd/rt.rs:64
  16: std::panicking::try::do_call
             at src/libstd/rt.rs:49
             at src/libstd/panicking.rs:297
  17: __rust_maybe_catch_panic
             at src/libpanic_unwind/lib.rs:92
  18: std::rt::lang_start_internal
             at src/libstd/panicking.rs:276
             at src/libstd/panic.rs:388
             at src/libstd/rt.rs:48
  19: std::rt::lang_start
             at /rustc/2aa4c46cfdd726e97360c2734835aa3515e8c858/src/libstd/rt.rs:64
  20: main
  21: __libc_start_main
  22: _start

Could you implement `wyvern login --status`?

Could you implement wyvern login --status and wyvern login --status --json to give information like if you are logged in, what is your user-name, and maybe more?

issue with preserving filename

some characters are not preserved, like ( and ) which are written out as %28 and %29 respectively.

progress bar option

Would it be okay to get a commandline flag to get another kind of progress bar?

Just echo a new line with the percent whenever a new whole number percent is reached?

I know wget has a --progress=type flag, and I have seen people pipe wget with progress=dot through awk and sed to get just the percent.

I don't know, maybe the argument could be called --progress=dumb

If you add other aesthetic types, maybe the user preferred one could be put in the config file. I know pacman has an option to let the progress bar be a pacman that eats dots, thats always funny if you run arch linux.

Can I get some metadata from the file before download?

Can you implement fetching some metadata before downloading?

Wishlist:

Filesize
Is it a dosbox game? (I don't know if this is possible)
other metadata listed on the website

Not sure how to enter login details

Hi,

I'm running ''s saves are located
'wyvern -vvvv int'
It appears that you have not logged into GOG. Please pick a login method.
Login Method:

I can try to put '0' or '1', but nothing changes on the screen then. Een ton't know how to select if I want to use OAuth or User/Pass login method.

Wyvern straight frm AUR, 1.4.1-3

SSL cert expired

I suggest switching to Letsencrypt

sudo curl -o wyvern -O https://demenses.net/wyvern-nightly
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
curl: (60) SSL certificate problem: certificate has expired
More details here: https://curl.haxx.se/docs/sslcerts.html

curl performs SSL certificate verification by default, using a "bundle"
 of Certificate Authority (CA) public keys (CA certs). If the default
 bundle file isn't adequate, you can specify an alternate file
 using the --cacert option.
If this HTTPS server uses a certificate signed by a CA represented in
 the bundle, the certificate verification probably failed due to a
 problem with the certificate (it might be expired, or the name might
 not match the domain name in the URL).
If you'd like to turn off curl's verification of the certificate, use
 the -k (or --insecure) option.

Failed to Connect to Demenses.net

User @CountMetal opened an issue over at my place. sigboe/pie-galaxy#11 where your site seams to be offline.

Will we be expecting this to come back up?

Download everything into folders per game

So far wyvern down and wyvern extras both support the --output flag. But wyvern down -a does not create folders per game. wyvern extras does, so one might end up with a folder full of install files, patch files and a bunch of subdirs for extras. And still wyvern extras needs to be called per game.

I have > 50 games on gog so this is not tidy enough for me. It would be very nice for wyvern to have an option to automatically create one folder per game based on the metadata received from gog.com (e.g. game title).

Until then this script might come in handy (it mentions zsh, but should run on bash, too) (it requires: wyvern, json_pp and jq):

#!/bin/bash

GAMESDIR=SOMEPLACE/gog-games
(
    cd $GAMESDIR
    wyvern ls --json | json_pp > ALLGAMES

    for row in `jq -r '.games[].ProductInfo | {title: .title, id: .id} | @base64' ALLGAMES`
    do 
        R=`echo ${row} | base64 --decode`
        D=`echo $R | jq -r '.title'`
        I=`echo $R | jq -r '.id'`
        echo Downloading $D
        mkdir "$D"
        cd "$D"
        wyvern down -D -r -w --id $I
        wyvern extras -a --id $I
        cd -
    done

) 2>&1 | tee -a $GAMESDIR/log-`date +%Y-%m-%d`.log

Update: redirection of stderr fixed, uses bash

Interactive login?

Would it be feasible to have an interactive login method?
Also supporting entering the pin if you log in from a new IP address.

I looked slightly into using curl to do this, but I didn't look into it thoroughly.
I tried something like this https://github.com/sigboe/glaxy-pie/blob/a54c57eb437fe9e02c409c2a3b6097d2df2133fd/galaxy-pie.sh#L85-L95

Would you be able to download single extras if yo knew the slug for each of them?

If you cold download single extras if you knew the slug, then check out the v2 api.

curl -s https://api.gog.com/v2/games/1207658787?locale=en |  jq '._embedded | .bonuses[] | .type'

I there are more things in the way to download a single extra, then feel free to close this issue.

Session Credentials timeout.

Logging in with user/pass and downloading one 4GB+ game part, (witcher 3) my session times out with GOG.com and subsequent file retreivals in the set all faill, creating files named e1installer [18-23] the files contain the text:
{"error":"invalid_grant","error_description":"The access token provided has expired."}

Subsequent redownload of the game results in wyvern creating another copy of the first file.

Hoped-for behavior:

wyvern tests session active before requesting next file in a set,
wyvern tests for existince of files before redownloading them (either by length or md5sum/etc)

Cheers!

Fail to compile

Last two days or maybe three days, I have been unable to compile

sigurdb@zig-pc-04 ~/Documents/wyvern (git)-[master] % cargo install --path . --force
  Installing wyvern v1.2.1 (/home/sigurdb/Documents/wyvern)
    Updating crates.io index
error: failed to compile `wyvern v1.2.1 (/home/sigurdb/Documents/wyvern)`, intermediate artifacts can be found at `/home/sigurdb/Documents/wyvern/target`

Caused by:
  failed to load source for a dependency on `dialoguer`

Caused by:
  Unable to update /home/sigurdb/Documents/wyvern/src/dialoguer

Caused by:
  failed to read `/home/sigurdb/Documents/wyvern/src/dialoguer/Cargo.toml`

Caused by:
  No such file or directory (os error 2)

login via commandline parameters

Could you please add a way to login like so?

wyvern login --email "${email}" --password "${password}"

Oh and the most common convention is if you don't have the --password parameter, you would be able to type that after, to not pollute your bash history.

Maybe

wyvern login --token "${token}"

should also work

Extract installer?

I am looking into the possibility of making a curses (or something) frontend for retropie that will download and convert dosbox games to hopefully work in retropie.

I am currently downloading a game like this

wyvern down --id 1207659026 --windows-auto

The resulting filename should maybe have the .exe file ending?

I have successfully extracted an installer using innoextract which is in the raspbian (and debian) repositories like this.

innoextract --exclude-temp  -gog filename

Is extracting the exe files something you think you would integrate into Wyvern?

Login via `login -u xxx -p xxx` does not work

Login via login -u xxx -p xxx does not work. Even if I get to enter the 2FA, it just creates a empty wyvern.toml including only version = 1

Also happens if I delete the wyvern.toml and get past the 2FA on the first try, so it does not seam to have an issue overwriting the file.

arm buildbot not functioning

arm binary is not in the last major release. Is it manually compiled or was the buildbot supposed to build it?

Being able to set a path/filename for downloads would be great

Being able to decide where to download, and decide an output filename would be great.
Example:

wyvern down --id 1234 -o ~/Downloads/ #I just want to pick a folder
wyvern down --id 1234 -o ~/Downloads/myfilename.exe #I want to pick a fully qualified name

Being able to perserve the fileextension if you didnt pick one or using a flag would be even greater

wyvern down --id 1207659026 -o ~/Downloads/Theme\ Hospital/1207659026 --preserve-fileextension
#I want t pick a folder and a name, but I don't want to care about the extension.

Crash when using ls and update

I just wanted to report some crashes I'm getting when I tried wyvern.

I get the following anytime I run the "ls" command, and when attempting to update certain games, such as Tower of Time. The backtrace is identical in both cases.

name = 'wyvern'
operating_system = 'unix:Ubuntu'
crate_version = '1.3.1'
explanation = '''
Panic occurred in file 'src/libcore/result.rs' at line 997
'''
method = 'Panic'
backtrace = '''
stack backtrace:
   0: backtrace::backtrace::trace_unsynchronized::h1329a2593493e9a4 (0x5596ba11b856)
   1: backtrace::capture::Backtrace::create::h16101f07b59a61ea (0x5596ba11ac77)
   2: backtrace::capture::Backtrace::new::h71f40c1b075807a9 (0x5596ba11ab9d)
   3: human_panic::report::Report::new::h7ca9937bcaa66099 (0x5596ba074742)
   4: human_panic::handle_dump::h7be66dc999882f6f (0x5596ba073e17)
   5: wyvern::main::{{closure}}::h24d4f5a3c90a0f57 (0x5596b9d71798)
   6: std::panicking::rust_panic_with_hook::h744417edfe714d72 (0x5596ba19c3e9)
             at src/libstd/panicking.rs:482
   7: std::panicking::continue_panic_fmt::h3557b3c3fa21b47b (0x5596ba19be91)
             at src/libstd/panicking.rs:385
   8: rust_begin_unwind (0x5596ba19bd75)
             at src/libstd/panicking.rs:312
   9: core::panicking::panic_fmt::h74ee8034b317ceed (0x5596ba1b99fc)
             at src/libcore/panicking.rs:85
  10: core::result::unwrap_failed::hd485e30a906e635d (0x5596b9da0dc9)
  11: wyvern::parse_args::hc891995a89059041 (0x5596b9d6edd1)
  12: wyvern::main::hb228d5a73bc9c62c (0x5596b9d6ac1e)
  13: std::rt::lang_start::{{closure}}::h8560fca4078eb982 (0x5596b9d7321f)
  14: std::rt::lang_start_internal::{{closure}}::h8ad4264c6b68797c (0x5596ba19bd12)
             at src/libstd/rt.rs:49
      std::panicking::try::do_call::h7a0381557c6c2cee
             at src/libstd/panicking.rs:297
  15: __rust_maybe_catch_panic (0x5596ba1a5729)
             at src/libpanic_unwind/lib.rs:92
  16: std::panicking::try::h72cb0fef6e9c0ab1 (0x5596ba19c925)
             at src/libstd/panicking.rs:276
      std::panic::catch_unwind::hbff071ae76e6f224
             at src/libstd/panic.rs:388
      std::rt::lang_start_internal::he0d8d06abc6f912f
             at src/libstd/rt.rs:48
  17: main (0x5596b9d71811)
  18: __libc_start_main (0x7fc164107b96)
  19: _start (0x5596b9d22839)
  20: <unknown> (0x0)'''

Download DLCs (and Extras)

Great Idea, especially the delta-downloads.

There is one thing, i would like to see, and that is downloading of DLCs for the games. Downloading the Extras (Soundtrack, etc) if available would be a nice to have, if download of DLCs is easy to implement.