n2n/scripts/version.sh
Hamish Coleman a1facf0f3f
Update Openwrt process (#900)
* First attempt at a openwrt CI

* Fix action - helps if I dont forget the syntax half way through writing it

* Try building /this/ branch for the openwrt CI

* Try a build with openssl configured

* Dont enable the n2n package until we have built the environment - makes errors easier to see and clearly related to n2n

* Attempt to speed up the openwrt build

* Upload any created ipkg packages

* Dont test with openssl for the moment

* Attempt to speed up openwrt build using a cache of the build dir

* The make defconfig run turns all the built binaries stale, so stop caching them.  Also use a real ref for the cache key

* Minor text name changes

* Address yamllint concerns

* Attempt to simplify and document missing parts of the openwrt makefile

* Attempt to fix mystery openwrt make error

* Rename build job name

* Avoid nested checkouts, use two separate dirs for the two checkouts in this build

* Move the n2n checkout to earler, allowing us to skip one defconfig run

* We are going to need working tags from the n2n repo, so ensure we unbreak the github checkout braindamage

* Calculate and save the n2n version string

* Prepare the way to pass the correct external vars into the openwrt build

* Hook calculated build variables into the openwrt package definition

* Update artifacts source to match moved checkout dir

* Pass env vars in to the make

* Allow version script to be influenced by external vars

* It will help if I use the same variable names everywhere

* Add more version variable calculation overrides

* Configure openwrt to use the external git checkout instead of their create-tar-then-extract dance

* Using the correct syntax for ifdef will help significantly

* Use as many jobs as we have cpus

* As the USE_SOURCE_DIR option allows us to use a full git checkout, we do not need to hack the version.sh to allow overrides

* Ensure scripts/version.sh works from anywhere

* Remove unneeded variables

* Update openwrt build documentation to match the new build process

* Catch failure to cd as per shellcheck suggestion

* Limit lengthy openwrt builds to manual triggers or on a release

* Also run on specially named branches

* Break list into separate lines for easier future editing
2021-11-18 21:28:50 +00:00

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#!/bin/sh
#
# Output the current version number
#
usage() {
echo "Usage: $0 [short|hash]"
echo
echo "Determine the correct version number for the current build"
exit 0
}
# We assume this script is in the TOPDIR/scripts directory and use that
# to find any other files we need
TOPDIR=$(dirname "$0")/..
VER_FILE_SHORT=$(cat "${TOPDIR}/VERSION")
if [ -d "$TOPDIR/.git" ]; then
# If there is a .git directory in our TOPDIR, then this is assumed to be
# real git checkout
cd "$TOPDIR" || exit 1
VER_GIT_SHORT=$(git describe --abbrev=0)
if [ "$VER_FILE_SHORT" != "$VER_GIT_SHORT" ]; then
echo "Error: VERSION file does not match tag version ($VER_FILE_SHORT != $VER_GIT_SHORT)"
exit 1
fi
VER_SHORT="$VER_GIT_SHORT"
VER_HASH=$(git rev-parse --short HEAD)
VER=$(git describe --abbrev=7 --dirty)
else
# If there is no .git directory in our TOPDIR, we fall back on relying on
# the VERSION file
VER_SHORT="$VER_FILE_SHORT"
VER_HASH="HEAD"
VER="$VER_FILE_SHORT"
fi
case "$1" in
hash)
echo "$VER_HASH"
;;
short)
echo "$VER_SHORT"
;;
"")
echo "$VER"
;;
*)
usage
;;
esac