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2b7900b68d
Make the version information used throughout the application and build process compliant with the SemVer specifications, so that it can be processed with libraries. Signed-off-by: Michael Keller <github@ike.ch>
89 lines
3.1 KiB
Bash
Executable file
89 lines
3.1 KiB
Bash
Executable file
#!/bin/bash
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# shellcheck disable=SC2164
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# consistently name all builds, regardless of OS or desktop/mobile
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#
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# we do need to be able to create three digit (M.m.p) and four digit (M.m.p.c) version strings
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# default is VERSION_EXTENSION version - an argument of '1', '3', or '4' gets you a digits only version string
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#
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# we hardcode a base version - this will rarely change
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# (we actually haven't discussed a situation where it would change...)
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SUBSURFACE_BASE_VERSION=6.0
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# little silly helper functions
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croak() {
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echo "$0: $*" >&2
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exit 1
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}
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croak_usage() {
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croak "Usage: $0 [1|3|4]"
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}
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if [[ $# -gt 1 ]] ; then croak_usage ; fi
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if [[ $# -eq 1 ]] ; then
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if [[ $1 != "1" && $1 != "3" && $1 != "4" ]] ; then croak_usage ; fi
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DIGITS="$1"
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fi
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# figure out where we are in the file system
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pushd "$(dirname "$0")/../" &> /dev/null
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export SUBSURFACE_SOURCE=$PWD
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COMMITS_SINCE="0"
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# add the build number to this as 'patch' component
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# if we run in an environment where we are given a build number (e.g. CICD builds)
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# we just grab that - otherwise we have to figure it out on the fly
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if [ ! -f latest-subsurface-buildnumber ] ; then
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# figure out the most recent build number, given our own git history
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# this assumes that (a) we are in a checked out git tree and
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# (b) we have the ability to check out another git repo
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# in situations where either of these isn't true, it's the caller's
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# responsibility to ensure that the latest-subsurface-buildnumber file exists
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if [ ! -d "nightly-builds" ] ; then
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git clone https://github.com/subsurface/nightly-builds &> /dev/null || croak "failed to clone nightly-builds repo"
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fi
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pushd nightly-builds &> /dev/null
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git fetch &> /dev/null
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LAST_BUILD_BRANCHES=$(git branch -a --sort=-committerdate --list | grep remotes/origin/branch-for | cut -d/ -f3)
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for LAST_BUILD_BRANCH in $LAST_BUILD_BRANCHES "not-found" ; do
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LAST_BUILD_SHA=$(cut -d- -f 3 <<< "$LAST_BUILD_BRANCH")
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git -C "$SUBSURFACE_SOURCE" merge-base --is-ancestor "$LAST_BUILD_SHA" HEAD && break
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done
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[ "not-found" = "$LAST_BUILD_BRANCH" ] && croak "can't find a build number for the current working tree"
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git checkout "$LAST_BUILD_BRANCH" &> /dev/null || croak "failed to check out $LAST_BUILD_BRANCH in nightly-builds"
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BUILDNR=$(<./latest-subsurface-buildnumber)
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popd &> /dev/null
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COMMITS_SINCE=$(git log --pretty="oneline" "${LAST_BUILD_SHA}...HEAD" | wc -l | tr -d '[:space:]')
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if [[ -z $COMMITS_SINCE ]]; then
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COMMITS_SINCE="0"
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fi
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else
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BUILDNR=$(<"latest-subsurface-buildnumber")
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fi
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VERSION_EXTENSION="-"
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if [ $COMMITS_SINCE -ne 0 ]; then
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VERSION_EXTENSION+="patch.${COMMITS_SINCE}."
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fi
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if [ -f "latest-subsurface-buildnumber-extension" ] ; then
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SUFFIX=$(<"latest-subsurface-buildnumber-extension")
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VERSION_EXTENSION+=$(sed 's/_/-/g;s/[^.a-zA-Z0-9-]//g' <<< "$SUFFIX")
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else
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VERSION_EXTENSION+="local"
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fi
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if [[ $DIGITS == "1" ]] ; then
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VERSION="${BUILDNR}"
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elif [[ $DIGITS == "3" ]] ; then
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VERSION="${SUBSURFACE_BASE_VERSION}.${BUILDNR}"
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elif [[ $DIGITS == "4" ]] ; then
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VERSION="${SUBSURFACE_BASE_VERSION}.${BUILDNR}.${COMMITS_SINCE}"
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else
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VERSION="${SUBSURFACE_BASE_VERSION}.${BUILDNR}${VERSION_EXTENSION}"
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fi
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printf '%s' "$VERSION"
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popd &> /dev/null
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