Merge remote-tracking branch 'freebsd/main' into lf/main

1 files changed, 46 insertions, 0 deletions

diff --git a/Tools/scripts/git-get-latest-remote-version.sh b/Tools/scripts/git-get-latest-remote-version.sh
new file mode 100755
index 000000000000..3148305b4f95
--- /dev/null
+++ b/Tools/scripts/git-get-latest-remote-version.sh
@@ -0,0 +1,46 @@
+#!/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"