misc cleanups

README.md

@@ -45,8 +45,7 @@ A few options are provided in the debos recipes; for the root filesystem recipe:
 
 For the image recipe:
 - dtb: override the firmware provided device tree with one from the linux kernel, e.g. `qcom/qcs6490-rb3gen2.dtb`; default: don't override
-- imagetype: either `ufs` (the default) or (`sdcard`); UFS uses 4096 bytes sectors and SD card 512 bytes
-- image: set the output disk image filename; default is to suffix it with the imagetype: `disk-ufs.img`
+- imagetype: either `ufs` (the default) or (`sdcard`); UFS images are named disk-ufs.img and use 4096 bytes sectors and SD card images are named disk-sdcard.img and use 512 bytes sectors
 - imagesize: set the output disk image size; default: `4GiB`
 
 These can be passed as follows:
@@ -72,7 +71,7 @@ The RB3 Gen2 board boots from UFS by default. To flash a disk image to the UFS s
     ```xml
     <?xml version="1.0" ?>
     <data>
-      <program SECTOR_SIZE_IN_BYTES="4096" file_sector_offset="0" filename="disk-4096.img" label="image" num_partition_sectors="0" partofsingleimage="false" physical_partition_number="0" start_sector="0"/>
+      <program SECTOR_SIZE_IN_BYTES="4096" file_sector_offset="0" filename="disk-ufs.img" label="image" num_partition_sectors="0" partofsingleimage="false" physical_partition_number="0" start_sector="0"/>
     </data>
     ```
 1. put the board in "emergency download" mode (EDL) by removing any cable from the USB type-C port, and pressing the `F_DL` button while turning the power on

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

@@ -1,7 +1,7 @@
 {{- $dtb := or .dtb "firmware" }}
 {{- $imagesize := or .imagesize "4GiB" }}
 {{- $imagetype := or .imagetype "ufs" }}
-{{- $image := or .image (printf "disk-%s.img" $imagetype) }}
+{{- $image := printf "disk-%s.img" $imagetype }}
 
 architecture: arm64
 sectorsize: {{if eq $imagetype "ufs"}} 4096 {{else}} 512 {{end}}
@@ -17,9 +17,9 @@ actions:
     description: Use OS device tree override (board specific)
     chroot: true
     command: |
-      set -eu
-      mkdir -p /etc/kernel
-      echo {{ $dtb }} >/etc/kernel/devicetree
+      set -eux
+      mkdir -pv /etc/kernel
+      echo "{{ $dtb }}" >/etc/kernel/devicetree
 {{- end }}
 
   # parttype values are from:
@@ -72,7 +72,7 @@ actions:
     description: Create task to grow root filesystem on first boot
     chroot: true
     command: |
-      set -eu
+      set -eux
       # for growpart
       apt -y install cloud-guest-utils
       # extract the dev of the root filesystem from fstab; change UUID=id into
@@ -97,5 +97,5 @@ actions:
 
   - action: run
     postprocess: true
-    command: gzip -f "${ARTIFACTDIR}/{{ $image }}"
+    command: gzip -v -f "${ARTIFACTDIR}/{{ $image }}"
 

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

@@ -18,8 +18,10 @@ actions:
     description: Modernize APT sources
     chroot: true
     command: |
-      apt modernize-sources -y
-      rm /etc/apt/sources.list.bak
+      set -eux
+      apt -y modernize-sources
+      rm -v /etc/apt/sources.list.bak
+
   - action: apt
     description: Install foundational packages
     recommends: true
@@ -47,14 +49,16 @@ actions:
     description: Set hostname to "debian"
     chroot: true
     command: |
+      set -eux
       echo debian >/etc/hostname
       # /etc/hosts is created by netbase
       sed -i "1s/^/127.0.1.1	debian\n/" /etc/hosts
+
   - action: run
     description: Add a "debian" user, add it to sudoers and various groups
     chroot: true
     command: |
-      set -eu
+      set -eux
       # pre-emptively create a sudo group if sudo isn't installed
       getent group sudo >/dev/null 2>&1 || groupadd --system sudo
       # some of these groups are only needed for desktop scenarios
@@ -64,7 +68,8 @@ actions:
       chage --lastday 0 debian
       echo debian:debian | chpasswd
       # add to sudoers
-      mkdir --mode 755 --parents /etc/sudoers.d
+      mkdir -v --mode 755 --parents /etc/sudoers.d
+      # subshell to override umask
       (
         umask 226
         echo "debian ALL=(ALL) NOPASSWD:ALL" >/etc/sudoers.d/90-debos
@@ -144,7 +149,7 @@ actions:
     description: Set default locale
     chroot: true
     command: |
-      set -eu
+      set -eux
       if which locale-gen >/dev/null 2>&1; then
           echo en_US.UTF-8 UTF-8 >>/etc/locale.gen
           locale-gen en_US.UTF-8 UTF-8
@@ -167,7 +172,7 @@ actions:
     description: Install Linux kernel from experimental
     chroot: true
     command: |
-      set -eu
+      set -eux
       # add experimental APT sources
       cat >/etc/apt/sources.list.d/debian-experimental.sources <<EOF
       Types: deb
@@ -178,7 +183,7 @@ actions:
       EOF
       # update and install kernel from experimental
       apt update
-      apt install -y -t experimental linux-image-arm64
+      apt -y install -t experimental linux-image-arm64
       # disable experimental from APT sources
       sed -i "1s/^/Enabled: no\n/" \
           /etc/apt/sources.list.d/debian-experimental.sources