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# Migration Guide | ||
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v4 is a complete overhaul for Aura. Care has been taken to maintain prior usage | ||
patterns, but there are some changes that the user should be aware of. If you're | ||
new to Aura, you can skip this entirely and move straight to [Usage](usage.md). | ||
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If you notice that something other than what is mentioned here used to work but | ||
no longer does, please [report it](https://github.com/fosskers/aura/issues). | ||
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## sudo | ||
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You no longer need to run Aura with `sudo` for "administrative" tasks. So: | ||
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``` | ||
> aura -S firefox | ||
``` | ||
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"just works", and you'll be prompted for a password as necessary. This is true | ||
for all Aura commands. | ||
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## Package Building | ||
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### Build User and Build Directory | ||
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Since `sudo` is no longer necessary, Aura runs entirely as your personal user, | ||
and thus `makepkg` is also invoked internally entirely as you. There are no | ||
longer any internal user switching hacks just to build packages. This fixes a | ||
number of historical bugs. | ||
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Aura packages were previously built in `/tmp/`, but now they are built in | ||
`~/.cache/aura/builds/` by default. Aura also keeps its own cache, whereas | ||
previously all built package tarballs were moved to the pacman cache under | ||
`/var/`. Doing everything as the local user in the user's own section of the | ||
filesystem ensures that special permissions are never necessary. | ||
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An exception to the above is when `aura` is run as the `root` user, for example | ||
on remote servers or within Docker containers. In these cases, `root` is | ||
detected and packages are built under `/tmp/` as the `nobody` user. Since | ||
`nobody` has no `$HOME` and no permissions to write anywhere else, this helps | ||
ensure that package building cannot harm your wider system. | ||
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### Makepkg output suppression with `-x` | ||
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`makepkg` output is now shown by default and cannot be hidden. `-x` is still | ||
provided to prevent old scripts from breaking, but it has no effect. | ||
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### PKGBUILD diff viewing with `-k` | ||
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You are now prompted after the diff is printed so that you actually have a | ||
chance to read what has changed. | ||
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### PKGBUILD Analysis | ||
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The `-P` command has been removed entirely. Further, automatic analysis that | ||
occurred before building is now done through `shellcheck`. | ||
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## Configuration | ||
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Previously Aura was configured in `/etc/aura.conf` using a custom format. Now | ||
configuration files exist per-user in `~/.config/aura/config.toml` and use the | ||
TOML format. A fresh configuration file can be generated via: | ||
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``` | ||
aura conf --gen > ~/.config/aura/config.toml | ||
``` | ||
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### Locale | ||
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Aura will auto-detect your system's language from your `$LANG` variable, but | ||
it's still possible to override this with the `language` field. Previously the | ||
language code was just the language portion (e.g. `hi`), but now it requires the | ||
country portion as well (e.g. `hi-IN`, Hindi from India). Acceptable values can | ||
been found in the output of: | ||
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``` | ||
aura stats --lang | ||
``` |