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vmTools.runInLinuxImage: allow setting root filesystem

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This commit is contained in:
Linus Heckemann 2023-01-10 14:15:05 +01:00
parent 8efd5d1e28
commit 01d078d970
1 changed files with 5 additions and 3 deletions
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8
pkgs/build-support/vm/default.nix
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@ -72,8 +72,8 @@ rec {
for o in $(cat /proc/cmdline); do
case $o in
mountDisk=1)
mountDisk=1
mountDisk=*)
mountDisk=''${mountDisk#mountDisk=}
;;
command=*)
set -- $(IFS==; echo $o)
@ -103,6 +103,8 @@ rec {
if test -z "$mountDisk"; then
mount -t tmpfs none /fs
elif [[ -e "$mountDisk" ]]; then
mount "$mountDisk" /fs
else
mount /dev/${hd} /fs
fi
@ -388,7 +390,7 @@ rec {
filesystem containing a non-NixOS Linux distribution. */
runInLinuxImage = drv: runInLinuxVM (lib.overrideDerivation drv (attrs: {
mountDisk = true;
mountDisk = attrs.mountDisk or true;
/* Mount `image' as the root FS, but use a temporary copy-on-write
image since we don't want to (and can't) write to `image'. */