Update configuration method

[geeqie.git] / version.sh

diff --git a/version.sh b/version.sh
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+#!/bin/bash
+
+## @file
+## @brief Generate the Geeqie version number
+##
+## This script is called from configure.ac
+##
+## 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 ]
+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=$3  # not used on master branch
+
+               echo "$major_version" && echo "." && echo "$minor_version" && echo "+git" && git log --max-count=1 --date=format:"%Y%m%d" --format="%ad" && echo "-" && git rev-parse --quiet --verify --short HEAD
+       else
+               version=$(head -1 NEWS)
+# shellcheck disable=SC2086
+               set -- $version
+               echo "$2"
+       fi
+else
+       version=$(head -1 NEWS)
+# shellcheck disable=SC2086
+       set -- $version
+       echo "$2"
+fi
+