ypkg-install-deps: add --dry-run and --json #57
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GZGavinZhao
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Another approach, though I don't know how viable this is with ypkg and solbuild, is to install each package into a separate overlayfs layer. Then the individual package installations can be cached so you get even more savings. |
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The only problem I could think of with this approach is how do we deal with triggers. By caching the entire root, we also cache the result of all trigger runs. |
The JSON dump has the following format:
```json
[
{
"name": "<package-name>",
"version": "<version>",
"release": "<relno>",
"packageHash": "<hash-of-eopkg>",
}
]
```
This not only dumps every single (including transitive) dependencies, but also
dumps the **currently installed** packages on the system. If we run this
inside the `solbuild` chroot and run `sudo eopkg up` prior to running `ypkg-
install-deps --dry-run --json package.yml`, we should get a (mostly)
reproducible JSON of packages that the root is comprised of. If we cache this
root identified by the hash of this JSON dump, we should be able to re-use
this cached root in `solbuild`, eliminating most if not all the time needed
for dependencies to install given that no dependency is changed.
Signed-off-by: Gavin Zhao <[email protected]>
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The JSON dump has the following format:
[ { "name": "<package-name>", "version": "<version>", "release": "<relno>", "packageHash": "<hash-of-eopkg>", } ]This not only dumps every single (including transitive) dependencies, but also dumps the currently installed packages on the system. If we run this inside the
solbuildchroot and runsudo eopkg upprior to runningypkg-install-deps --dry-run --json package.yml, we should get a (mostly) reproducible JSON of packages that the root is comprised of. If we cache this root identified by the hash of this JSON dump, we should be able to re-use this cached root insolbuild, eliminating most if not all the time needed for dependencies to install given that no dependency is changed.