Public bug reported:
When trying to work out what the correct input format for installation
was (cf. bug 1818746), I discovered that `install --gpgpu` is extremely
permissive with what strings it will accept when a version number is
given:
```
# The correct invocation (AIUI)
$ ubuntu-drivers install --gpgpu nvidia:410
nvidia-headless-no-dkms-410
...
# What I was trying
$ ubuntu-drivers install --gpgpu nvidia-driver:410
nvidia-headless-no-dkms-410
...
# A suffix of nvidia (which also happens to be the name of a free driver)
$ ubuntu-drivers install --gpgpu nv:410
nvidia-headless-no-dkms-410
...
# No driver name at all!
$ ubuntu-drivers install --gpgpu :410
nvidia-headless-no-dkms-410
...
```
This level of flexibility is actually quite confusing for users, because
they don't know what the Right thing to pass in is. Furthermore, it's
going to lead to some confusing scripting down the line (consider a case
where there's more than one nvidia family of drivers; what would
"nv:410" resolve to?)
I think not accepting anything but the actual name ("nvidia") is the
right thing to do here (and is the behaviour when a version isn't
specified).
** Affects: ubuntu-drivers-common (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
When trying to work out what the correct input format for installation
was (cf. bug 1818746), I discovered that `install --gpgpu` is extremely
permissive with what strings it will accept when a version number is
given:
```
# The correct invocation (AIUI)
$ ubuntu-drivers install --gpgpu nvidia:410
nvidia-headless-no-dkms-410
...
- ```
- ```
# What I was trying
$ ubuntu-drivers install --gpgpu nvidia-driver:410
nvidia-headless-no-dkms-410
...
- ```
- ```
# A suffix of nvidia (which also happens to be the name of a free driver)
$ ubuntu-drivers install --gpgpu nv:410
nvidia-headless-no-dkms-410
...
- ```
- ```
# No driver name at all!
$ ubuntu-drivers install --gpgpu :410
nvidia-headless-no-dkms-410
...
```
This level of flexibility is actually quite confusing for users, because
they don't know what the Right thing to pass in is. Furthermore, it's
going to lead to some confusing scripting down the line (consider a case
where there's more than one nvidia family of drivers; what would
"nv:410" resolve to?)
I think not accepting anything but the actual name ("nvidia") is the
right thing to do here (and is the behaviour when a version isn't
specified).
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https://bugs.launchpad.net/bugs/1818748
Title:
`ubuntu-drivers install --gpgpu` is strangely permissive about input
with version numbers
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