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#!/bin/sh
## @file
## @brief Generate the Geeqie version number
##
## This script is called from meson.build
##
## If the current branch is "master" a revison number is generated of the form:
## <n.m>+git<date of last commit>-<last commit hash>
## where <n.m> is the most recent tag.
## e.g. 1.7+git20220117-732b6935
##
## If not on "master" or no .git directory, a revision number extracted
## from the first line of the NEWS file is generated.
## This situation will occur when compiling from a source .tar.
## or for a release.
## The first line of NEWS must be of the form:
## Geeqie <n.m[.p]>
##
if [ -d .git ] && [ -x "$(command -v git)" ]
then
branch=$(git rev-parse --abbrev-ref HEAD)
if [ "$branch" = "master" ]
then
IFS='.'
# shellcheck disable=SC2046
set -- $(git tag --list v[1-9]* | tail -n 1 | tr -d 'v')
major_version=$1
minor_version=$2
# patch_version=$3 # not used on master branch
printf '%s%s%s%s%s%s%s' "$major_version" "." "$minor_version" "+git" "$(git log --max-count=1 --date=format:"%Y%m%d" --format="%ad")" "-" "$(git rev-parse --quiet --verify --short HEAD)"
else
version=$(head -1 NEWS)
# shellcheck disable=SC2086
set -- $version
printf '%s' "$2"
fi
else
version=$(head -1 NEWS)
# shellcheck disable=SC2086
set -- $version
printf '%s' "$2"
fi
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