Use consistent compression and archive naming.

Signed-off-by: Drew Moseley <drew.moseley@northern.tech>

Changelog: Title

configs/beaglebone_black_base_config

@@ -10,14 +10,14 @@ MENDER_COPY_BOOT_GAP=n
 # 4MB alignment
 MENDER_PARTITION_ALIGNMENT="4194304"
 
-BEAGLEBONE_BLACK_BINARIES="${BEAGLEBONE_BLACK_CONFIG}-2018.07.tar"
+BEAGLEBONE_BLACK_BINARIES="${BEAGLEBONE_BLACK_CONFIG}-2018.07.tar.gz"
 BEAGLEBONE_BLACK_BINARIES_URL="${MENDER_STORAGE_URL}/mender-convert/uboot/beaglebone/${BEAGLEBONE_BLACK_BINARIES}"
 
 function platform_modify() {
   mkdir -p work/bbb/binaries
 
   run_and_log_cmd "wget -q ${BEAGLEBONE_BLACK_BINARIES_URL} -P work/bbb/binaries"
-  run_and_log_cmd "tar xvf work/bbb/binaries/${BEAGLEBONE_BLACK_BINARIES} -C work/bbb/binaries"
+  run_and_log_cmd "tar xzvf work/bbb/binaries/${BEAGLEBONE_BLACK_BINARIES} -C work/bbb/binaries"
 
   # Mask udisks2.service, otherwise it will mount the inactive part and we
   # might write an update while it is mounted which often result in

configs/raspberrypi_config

@@ -17,7 +17,7 @@ function platform_modify() {
   mkdir -p work/rpi/binaries
 
   run_and_log_cmd "wget -q ${RASPBERRYPI_BINARIES_URL} -P work/rpi/binaries"
-  run_and_log_cmd "tar xvf work/rpi/binaries/${RASPBERRYPI_BINARIES} -C work/rpi/binaries"
+  run_and_log_cmd "tar xzvf work/rpi/binaries/${RASPBERRYPI_BINARIES} -C work/rpi/binaries"
 
   # By default, we modify cmdline.txt.
   #

configs/rockpro64_config

@@ -14,7 +14,7 @@ function platform_modify() {
   mkdir -p work/rockpro64
 
   run_and_log_cmd "wget -Nq ${ROCKPRO64_BINARIES_URL} -P work/rockpro64"
-  run_and_log_cmd "tar xvf work/rockpro64/${ROCKPRO64_BINARIES} -C work/rockpro64"
+  run_and_log_cmd "tar xzvf work/rockpro64/${ROCKPRO64_BINARIES} -C work/rockpro64"
 
   run_and_log_cmd "sudo cp work/rockpro64/boot.scr work/boot"
 

mender-convert-modify

@@ -92,7 +92,7 @@ run_and_log_cmd "wget -Nq ${MENDER_STORAGE_URL}/${MENDER_CLIENT_VERSION}/dist-pa
 
 cd work/mender-deb
 run_and_log_cmd "ar -xv ${deb_name}"
-run_and_log_cmd "tar -xf data.tar.xz -C files"
+run_and_log_cmd "tar xJf data.tar.xz -C files"
 cd - > /dev/null 2>&1
 
 run_and_log_cmd "sudo rsync --archive --keep-dirlinks --verbose work/mender-deb/files/ work/rootfs/"
@@ -104,7 +104,7 @@ fi
 
 if [ "${MENDER_GRUB_EFI_INTEGRATION}" == "y" ]; then
   run_and_log_cmd "wget -Nq '${MENDER_GRUBENV_URL}' -P work/"
-  run_and_log_cmd "tar xvf work/${MENDER_GRUBENV_VERSION}.tar.gz -C work/"
+  run_and_log_cmd "tar xzvf work/${MENDER_GRUBENV_VERSION}.tar.gz -C work/"
 
   if [ -z "${MENDER_GRUB_KERNEL_IMAGETYPE}" ]; then
     kernel_imagetype=$(probe_kernel_in_boot_and_root)