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Before this change, the hash of the etc metadata image was included in the mount unit that's responsible for mounting this metadata image in the initrd. And because this metadata image changes with every change to the etc contents, the initrd would be rebuild every time as well. This can lead to a lot of rebuilds (especially when revision info is included in /etc/os-release) and all these initrd archives use up a lot of space on the ESP. With this change, we instead include a symlink to the metadata image in the top-level directory, in the same way as we already do for things like init and prepare-root, and we deduce the store path from the init= kernel parameter, in the same way as we already do to find the path to init and prepare-root. Doing so avoids rebuilding the initrd all the time. |
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| .. | ||
| activation | ||
| boot | ||
| etc | ||
| build.nix | ||