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Allow user to skip updating VideoCore libraries (#292)

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* Allow user to skip updating VideoCore libraries

Users who are running non-raspbian distributions, especially on other architectures
like arm64, may already have videocore libraries and applications compiled for arm64.
These will get overwritten unless updating the VideoCore libraries is skipped.

This implements a SKIP_VCLIBS option to allow that step to be skipped, which may be 
used alongside the SKIP_SDK option. This is also referred to in a suggestion for a
SKIP_USERLAND option here: https://github.com/Hexxeh/rpi-update/pull/221#issuecomment-243559009

Signed-off-by: Satadru Pramanik <satadru@umich.edu>
This commit is contained in:
satmandu
2019-12-13 10:19:41 -05:00
committed by popcornmix
parent 8abc084233
commit 0916287b79
2 changed files with 15 additions and 1 deletions
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8
README.md
View File

@@ -96,6 +96,14 @@ Avoids making backup of /boot and /lib/modules on first run.
By default the downloaded files (/root/.rpi-firmware) are deleted at end of update. By default the downloaded files (/root/.rpi-firmware) are deleted at end of update.
Use this option to keep the files. Use this option to keep the files.
#### `SKIP_VCLIBS`
sudo SKIP_VCLIBS=1 rpi-update
Will update everything **except** the VideoCore libraries.
Use this option to keep the existing VideoCore libraries if you do not want your
local versions overwritten.
#### `ROOT_PATH` and `BOOT_PATH` #### `ROOT_PATH` and `BOOT_PATH`
sudo ROOT_PATH=/media/root BOOT_PATH=/media/boot rpi-update sudo ROOT_PATH=/media/root BOOT_PATH=/media/boot rpi-update

6
rpi-update
View File

@@ -30,6 +30,7 @@ BOOT_PATH=${BOOT_PATH:-"/boot"}
WORK_PATH=${WORK_PATH:-"${ROOT_PATH}/root"} WORK_PATH=${WORK_PATH:-"${ROOT_PATH}/root"}
SKIP_KERNEL=${SKIP_KERNEL:-0} SKIP_KERNEL=${SKIP_KERNEL:-0}
SKIP_SDK=${SKIP_SDK:-0} SKIP_SDK=${SKIP_SDK:-0}
SKIP_VCLIBS=${SKIP_VCLIBS:-0}
SKIP_REPODELETE=${SKIP_REPODELETE:-0} SKIP_REPODELETE=${SKIP_REPODELETE:-0}
SKIP_BACKUP=${SKIP_BACKUP:-0} SKIP_BACKUP=${SKIP_BACKUP:-0}
SKIP_DOWNLOAD=${SKIP_DOWNLOAD:-0} SKIP_DOWNLOAD=${SKIP_DOWNLOAD:-0}
@@ -151,7 +152,12 @@ function update_modules {
} }
function update_vc_libs { function update_vc_libs {
if [[ ${SKIP_VCLIBS} -eq 0 ]]; then
echo " *** Updating VideoCore libraries" echo " *** Updating VideoCore libraries"
else
echo " *** As requested, not updating VideoCore libraries"
return
fi
if [[ -e ${ROOT_PATH}/bin/sh ]]; then if [[ -e ${ROOT_PATH}/bin/sh ]]; then
local ELFOUTPUT=$(readelf -a "${ROOT_PATH}/bin/sh"; readelf -h "${ROOT_PATH}/bin/sh") local ELFOUTPUT=$(readelf -a "${ROOT_PATH}/bin/sh"; readelf -h "${ROOT_PATH}/bin/sh")