subsurface/scripts/get-version
Dirk Hohndel aea2f36de2 rename variable in get-version script
Yeah... that looks better. Thanks @mikeller.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2024-01-06 10:55:24 -08:00

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#!/bin/bash
# shellcheck disable=SC2164
# consistently name all builds, regardless of OS or desktop/mobile
#
# we do need to be able to create three digit (M.m.p) and four digit (M.m.p.c) version strings
# default is VERSION_EXTENSION version - an argument of '4' or '3' gets you a digits only version string
#
# we hardcode a base version - this will rarely change
# (we actually haven't discussed a situation where it would change...)
SUBSURFACE_BASE_VERSION=6.0
# little silly helper functions
croak() {
echo "$0: $*" >&2
exit 1
}
croak_usage() {
croak "Usage: $0 [3|4]"
}
if [[ $# -gt 1 ]] ; then croak_usage ; fi
if [[ $# -eq 1 ]] ; then
if [[ $1 != "4" && $1 != "3" ]] ; then croak_usage ; fi
DIGITS="$1"
fi
# figure out where we are in the file system
cd "$(dirname "$0")/../"
export SUBSURFACE_SOURCE=$PWD
# add the build number to this as 'patch' component
# if we run in an environment where we are given a build number (e.g. CICD builds)
# we just grab that - otherwise we have to figure it out on the fly
if [ ! -f latest-subsurface-buildnumber ] ; then
# figure out the most recent build number, given our own git history
# this assumes that (a) we are in a checked out git tree and
# (b) we have the ability to check out another git repo
# in situations where either of these isn't true, it's the caller's
# responsibility to ensure that the latest-subsurface-buildnumber file exists
if [ ! -d "$SUBSURFACE_SOURCE/nightly-builds" ] ; then
git clone https://github.com/subsurface/nightly-builds &> /dev/null || croak "failed to clone nightly-builds repo"
fi
cd nightly-builds
git fetch &> /dev/null
LAST_BUILD_BRANCHES=$(git branch -a --sort=-committerdate --list | grep remotes/origin/branch-for | head -50 | cut -d/ -f3)
for LAST_BUILD_BRANCH in $LAST_BUILD_BRANCHES "not-found" ; do
LAST_BUILD_SHA=$(cut -d- -f 3 <<< "$LAST_BUILD_BRANCH")
git -C "$SUBSURFACE_SOURCE" merge-base --is-ancestor "$LAST_BUILD_SHA" HEAD && break
done
[ "not-found" = "$LAST_BUILD_BRANCH" ] && croak "can't find a build number for the current working tree"
git checkout "$LAST_BUILD_BRANCH" &> /dev/null || croak "failed to check out $LAST_BUILD_BRANCH in nightly-builds"
BUILDNR=$(<./latest-subsurface-buildnumber)
cd "$SUBSURFACE_SOURCE"
VERSION_EXTENSION="-"
VERSION_EXTENSION+=$(git log --pretty="oneline" "${LAST_BUILD_SHA}...HEAD" | wc -l | tr -d '[:space:]')
VERSION_EXTENSION+="-"
[ "$VERSION_EXTENSION" = "-0-" ] && VERSION_EXTENSION="-"
VERSION_EXTENSION+="local"
else
# use the files included with the sources
BUILDNR=$(<"$SUBSURFACE_SOURCE/latest-subsurface-buildnumber")
VERSION_EXTENSION=""
if [ -f "$SUBSURFACE_SOURCE/latest-subsurface-buildnumber-extension" ] ; then
VERSION_EXTENSION="-"
VERSION_EXTENSION+=$(<"$SUBSURFACE_SOURCE/latest-subsurface-buildnumber-extension")
fi
fi
COMMITS_SINCE=$(tr -cd "[:digit:]" <<<"$VERSION_EXTENSION")
[[ -z $COMMITS_SINCE ]] && COMMITS_SINCE="0"
if [[ $DIGITS == "3" ]] ; then
VERSION="${SUBSURFACE_BASE_VERSION}.${BUILDNR}"
elif [[ $DIGITS == "4" ]] ; then
VERSION="${SUBSURFACE_BASE_VERSION}.${BUILDNR}.${COMMITS_SINCE}"
else
VERSION="${SUBSURFACE_BASE_VERSION}.${BUILDNR}${VERSION_EXTENSION}"
fi
printf '%s' "$VERSION"