[ISSUE] libwacom and adding custom tablets

[ISSUE] libwacom and adding custom tablets

[nvkomimi]

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New issue by nvkomimi on void-packages repository

https://github.com/void-linux/void-packages/issues/44993

Description:
### Is this a new report?

Yes

### System Info

Void 6.3.12_1 x86_64 GenuineIntel uptodate rFFFF

### Package(s) Affected

libwacom-2.7.0_1

### Does a report exist for this bug with the project's home (upstream) and/or another distro?

_No response_

### Expected behaviour

tablet should be fully usable

### Actual behaviour

after libwacom configuring, it seems to be detected in gnome control center, however I can't "test" it and no apps can grab the stylus input
the buttons work even without any configuration but that's kind of useless if the stylus can't be used

the device has 2 events in libinput, one of the buttons and one for the mouse/stylus movement
recording the mouse/stylus event shows that the input indeed works

configuring libwacom to see this tablet doesn't yield desired results but allows gnome to see and "configure" the tablet

libwacom suggests to use the utility for updating hwdb, however this seems to be dependant on systemd as this is the output
```
# libwacom-update-db

New hwdb file: /lib/udev/hwdb.d/66-libwacom.hwdb
Unable to find udev base directory: [Errno 2] No such file or directory: 'systemd-hwdb'
```

I also made an issue in libwacom's repo but I'm not even sure which package is responsible, I don't own any other tablets and haven't tested other distributions yet 
(though there are a lot of driver options available for the other distributions that say they support my specific tablet - Huion H610X)

### Steps to reproduce

1. configure a custom tablet for libwacom
2. use the utility for updating db
3. utility errors out in the end

Re: libwacom and adding custom tablets

[classabbyamp]

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New comment by classabbyamp on void-packages repository

https://github.com/void-linux/void-packages/issues/44993#issuecomment-1643012103

Comment:
use `--skip-systemd-hwdb-update`

Re: libwacom and adding custom tablets

[classabbyamp]

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New comment by classabbyamp on void-packages repository

https://github.com/void-linux/void-packages/issues/44993#issuecomment-1643012103

Comment:
use `--skip-systemd-hwdb-update` (see `libwacom-update-db --help`)

Re: libwacom and adding custom tablets

[nvkomimi]

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New comment by nvkomimi on void-packages repository

https://github.com/void-linux/void-packages/issues/44993#issuecomment-1644062796

Comment:
my issue is most likely not a void linux issue, since the utility can skip systemd hwdb update and i've looked all over digimend, libinput and libwacom docs

adding the tablet to libwacom doesn't solve input issues, only allows it to be configured in gnome settings for example

i think my tablet might be just too recent and unsupported by digimend (i'm assuming i'd have to rely on that since i've read that the kernel includes digimend ootb somewhere) and there's PRs for adding 256c:0064 support upstream - which would be my tablet, so i guess i just have to wait for that

Re: [ISSUE] [CLOSED] libwacom and adding custom tablets

[nvkomimi]

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Closed issue by nvkomimi on void-packages repository

https://github.com/void-linux/void-packages/issues/44993

Description:
### Is this a new report?

Yes

### System Info

Void 6.3.12_1 x86_64 GenuineIntel uptodate rFFFF

### Package(s) Affected

libwacom-2.7.0_1

### Does a report exist for this bug with the project's home (upstream) and/or another distro?

_No response_

### Expected behaviour

tablet should be fully usable

### Actual behaviour

after libwacom configuring, it seems to be detected in gnome control center, however I can't "test" it and no apps can grab the stylus input
the buttons work even without any configuration but that's kind of useless if the stylus can't be used

the device has 2 events in libinput, one of the buttons and one for the mouse/stylus movement
recording the mouse/stylus event shows that the input indeed works

configuring libwacom to see this tablet doesn't yield desired results but allows gnome to see and "configure" the tablet

libwacom suggests to use the utility for updating hwdb, however this seems to be dependant on systemd as this is the output
```
# libwacom-update-db

New hwdb file: /lib/udev/hwdb.d/66-libwacom.hwdb
Unable to find udev base directory: [Errno 2] No such file or directory: 'systemd-hwdb'
```

I also made an issue in libwacom's repo but I'm not even sure which package is responsible, I don't own any other tablets and haven't tested other distributions yet 
(though there are a lot of driver options available for the other distributions that say they support my specific tablet - Huion H610X)

### Steps to reproduce

1. configure a custom tablet for libwacom
2. use the utility for updating db
3. utility errors out in the end