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#!/bin/sh
# Get version-info specified in Makefile
V=$1
# Use `git describe` to get current version if we're inside a git repo AND it
# yields something. A plain clone of the fork has no tags, so `git describe`
# fails there; don't let that clobber the Makefile-provided version with an
# empty string (which renders as a blank version in the footer/meta).
if test "$(git rev-parse --git-dir 2>/dev/null)" = '.git'
then
D=$(git describe --abbrev=4 HEAD 2>/dev/null)
test -n "$D" && V=$D
fi
new="CGIT_VERSION = $V"
old=$(cat VERSION 2>/dev/null)
# Exit if VERSION is uptodate
test "$old" = "$new" && exit 0
# Update VERSION with new version-info
echo "$new" > VERSION
cat VERSION
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