feat: debos: Option for local APT repository

Pass a local directory to bind-mount and use as a local APT repository
during rootfs creation. This should eventually allow simplifying kernel
and local-debs logic.

Signed-off-by: Loïc Minier <[email protected]>

Author: lool

debos-recipes/qualcomm-linux-debian-rootfs.yaml

@@ -1,6 +1,7 @@
 {{- $xfcedesktop := or .xfcedesktop "false" }}
 {{- $experimentalkernel := or .experimentalkernel "false" }}
 {{- $localdebs := or .localdebs "none" }}
+{{- $aptlocalrepo := or .aptlocalrepo "none" }}
 {{- $kernelpackage := or .kernelpackage "linux-image-arm64" }}
 
 architecture: arm64
@@ -17,6 +18,32 @@ actions:
     mirror: http://deb.debian.org/debian
     variant: minbase
 
+{{- if ne $aptlocalrepo "none" }}
+  - action: run
+    description: Setup bind mount of local APT repository
+    chroot: false
+    command: |
+      set -eux
+      mkdir -v "${ROOTDIR}/media/apt-local-repo"
+      mount --bind {{$aptlocalrepo}} "${ROOTDIR}/media/apt-local-repo"
+
+  - action: run
+    description: APT update and upgrade with local APT repository
+    chroot: true
+    command: |
+      set -eux
+      cat >/etc/apt/sources.list.d/apt-local-repo.sources <<EOF
+      Types: deb
+      URIs: file:///media/apt-local-repo
+      Suites: trixie
+      Components: main
+      Trusted: true
+      EOF
+
+      apt update
+      apt -y upgrade
+{{- end }}
+
   - action: run
     description: Modernize APT sources
     chroot: true
@@ -290,6 +317,31 @@ actions:
       rm -vf /root/*.deb
 {{- end }}
 
+{{- if ne $aptlocalrepo "none" }}
+  - action: run
+    description: APT update without local APT repository
+    chroot: true
+    command: |
+      set -eux
+      rm -v /etc/apt/sources.list.d/apt-local-repo.sources
+      apt update
+
+  - action: run
+    description: Remove bind mount of local APT repository
+    chroot: false
+    command: |
+      set -eux
+      umount "${ROOTDIR}/media/apt-local-repo"
+      rmdir -v "${ROOTDIR}/media/apt-local-repo"
+
+  - action: run
+    description: APT update and upgrade with local APT repository
+    chroot: true
+    command: |
+      set -eux
+      cat >/etc/apt/sources.list.d/apt-local-repo.sources <<EOF
+{{- end }}
+
   - action: run
     description: Create DTBs tarball
     chroot: false