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#!/bin/sh
#
# MAINTAINER: yuri@FreeBSD.org
set -e
set -o pipefail
export LC_ALL=C
##
## git-get-latest-remote-version.sh: retrieves the latest version of a remote project at the given Git URL
##
# args
REPOSITORY_URL="$1"
TAG_PREFIX="$2"
if [ -z "$REPOSITORY_URL" ]; then
echo "Usage: $0 <repository-url> <tag-prefix>"
exit 1
fi
# check that packaged dependencies are installed
for dep in git version_sort; do
if ! which -s $dep; then
echo "error: the '$dep' dependency is missing"
if [ $dep = "git" ]; then
echo "... please install the 'git' package"
elif [ $dep = "version_sort" ]; then
echo "... please install the 'libversion' package"
fi
exit 1
fi
done
# MAIN
git ls-remote --refs --tags $REPOSITORY_URL 2>/dev/null |
grep "refs/tags/$TAG_PREFIX" |
sed -e "s|.*refs/tags/$TAG_PREFIX||" |
version_sort |
tail -1 ||
! echo "failed to find the git project '$REPOSITORY_URL' or tags in it"
|
