feat(debos/flash)!: Add compatibility symlinks

Create disk-media.img1 and 2 symlinks to ../disk-media.img1 and 2. This
helps with Axiom compatibility which expects all files to be in the same
directory and doesn't necessarily cope with relative pathnames.

Fixes: qualcomm-linux#360

Signed-off-by: Loïc Minier <loic.minier@oss.qualcomm.com>

Author: lool

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

@@ -372,7 +372,7 @@ actions:
           rm -rf "${flash_dir}"
           mkdir -v "${flash_dir}"
           # copy platform partition files
-          cp --preserve=mode,timestamps -v \
+          cp --preserve=all --no-dereference -v \
               "build/ptool/${platform}"/* "${flash_dir}"
 
           # remove BLANK_GPT, WIPE_PARTITIONS and wipe_rawprogram files as
@@ -402,18 +402,18 @@ actions:
                   -or -name '*.fv' \
                   -or -name '*.mbn' \
               \) \
-              -exec cp --preserve=mode,timestamps -v '{}' "${flash_dir}" \;
+              -exec cp --preserve=all --no-dereference -v '{}' "${flash_dir}" \;
 
           if [ -n "${board_u_boot_file}" ]; then
               # copy U-Boot binary to boot.img; qcom-ptool partitions.conf
               # files use filename=boot.img for boot_a and boot_b partitions
-              cp --preserve=mode,timestamps -v \
+              cp --preserve=all --no-dereference -v \
                   "${ARTIFACTDIR}/${board_u_boot_file}" "${flash_dir}/boot.img"
           fi
 
           if [ -n "$board_cdt_filename" ]; then
               # copy just the CDT data; no partition or flashing files
-              cp --preserve=mode,timestamps -v \
+              cp --preserve=all --no-dereference -v \
                   "build/${board_name}_cdt/${board_cdt_filename}" \
                   "${flash_dir}"
           fi

scripts/gen-ptool.sh

@@ -24,12 +24,12 @@ PARTITIONS_CONF="${QCOM_PTOOL}/platforms/${PLATFORM}/partitions.conf"
 
 case "$DISK_TYPE" in
   emmc|nvme)
-    esp="../disk-sdcard.img1"
-    rootfs="../disk-sdcard.img2"
+    esp="disk-sdcard.img1"
+    rootfs="disk-sdcard.img2"
     ;;
   ufs)
-    esp="../disk-ufs.img1"
-    rootfs="../disk-ufs.img2"
+    esp="disk-ufs.img1"
+    rootfs="disk-ufs.img2"
     ;;
   spinor)
     # spinor carries firmware only; no OS efi/rootfs partitions
@@ -58,6 +58,10 @@ partition_map="${partition_map},dtb_b=dtb.bin"
 partition_map="${partition_map},efi=${esp}"
 partition_map="${partition_map},rootfs=${rootfs}"
 
+# create symlinks from flat image to actual file
+ln -s "../${esp}" "$esp"
+ln -s "../${rootfs}" "$rootfs"
+
 # generate ptool-partitions.xml from partitions.conf
 "${QCOM_PTOOL}/gen_partition.py" -i "${PARTITIONS_CONF}" \
     -o ptool-partitions.xml \