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make-disk-image: pre/post-format-files copies content of source path #1079

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14 changes: 7 additions & 7 deletions docs/disko-images.md
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Original file line number Diff line number Diff line change
Expand Up @@ -71,15 +71,15 @@ In the this example we create a flake containing a nixos configuration for

Options:
* --pre-format-files <src> <dst>
copies the src to the dst on the VM, before disko is run
This is useful to provide secrets like LUKS keys, or other files you need for formatting
copies the content of path <src> to path <dst> on the VM, before disko is run.
This is useful to provide secrets like LUKS keys, or other files you need for formatting.
* --post-format-files <src> <dst>
copies the src to the dst on the finished image
These end up in the images later and is useful if you want to add some extra stateful files
They will have the same permissions but will be owned by root:root
copies the content of path <src> to path <dst> on the finished image.
These end up in the images later and is useful if you want to add some extra stateful files.
They will have the same permissions but will be owned by root:root .
* --build-memory <amt>
specify the amount of memory in MiB that gets allocated to the build VM
This can be useful if you want to build images with a more involed NixOS config
specify the amount of memory in MiB that gets allocated to the build VM.
This can be useful if you want to build images with a more involed NixOS config.
The default is 1024 MiB
```

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12 changes: 6 additions & 6 deletions lib/make-disk-image.nix
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Expand Up @@ -207,13 +207,13 @@ in
--pre-format-files)
src=$2
dst=$3
cp --reflink=auto -r "$src" copy_before_disko/"$(echo "$dst" | base64)"
cp --reflink=auto -rv "$src" copy_before_disko/"$(echo "$dst" | base64)"
shift 2
;;
--post-format-files)
src=$2
dst=$3
cp --reflink=auto -r "$src" copy_after_disko/"$(echo "$dst" | base64)"
cp --reflink=auto -rv "$src" copy_after_disko/"$(echo "$dst" | base64)"
shift 2
;;
--build-memory)
Expand Down Expand Up @@ -243,17 +243,17 @@ in
for src in /tmp/xchg/copy_before_disko/*; do
[ -e "$src" ] || continue
dst=$(basename "$src" | base64 -d)
mkdir -p "$(dirname "$dst")"
cp -r "$src" "$dst"
mkdir -p "$dst"
cp -rv "$src"/. "$dst"
done
set -f
${partitioner}
set +f
for src in /tmp/xchg/copy_after_disko/*; do
[ -e "$src" ] || continue
dst=/mnt/$(basename "$src" | base64 -d)
mkdir -p "$(dirname "$dst")"
cp -r "$src" "$dst"
mkdir -p "$dst"
cp -rv "$src"/. "$dst"
done
${installer}
''}
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