git: 90a6548ee3bc - main - Tools/scripts: Add hackage-get-latest-version.sh

The branch main has been updated by yuri:

URL: https://cgit.FreeBSD.org/ports/commit/?id=90a6548ee3bcdabc3d98719a731f239c622b4fe3

commit 90a6548ee3bcdabc3d98719a731f239c622b4fe3
Author:     Yuri Victorovich <yuri@FreeBSD.org>
AuthorDate: 2025-09-27 16:10:38 +0000
Commit:     Yuri Victorovich <yuri@FreeBSD.org>
CommitDate: 2025-09-27 16:33:12 +0000

    Tools/scripts: Add hackage-get-latest-version.sh
    
    Script to quickly determine the latest release of a Haskell package.
---
 Tools/scripts/hackage-get-latest-version.sh | 47 +++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/Tools/scripts/hackage-get-latest-version.sh b/Tools/scripts/hackage-get-latest-version.sh
new file mode 100755
index 000000000000..d3a9c5fe55a3
--- /dev/null
+++ b/Tools/scripts/hackage-get-latest-version.sh
@@ -0,0 +1,47 @@
+#!/bin/sh
+#
+# MAINTAINER: yuri@FreeBSD.org
+
+set -e
+set -o pipefail
+
+export LC_ALL=C
+
+##
+## hackage-get-latest-version.sh: retrieves the latest version of a given Haskell package as registered on https://hackage.haskell.org
+##
+
+# args
+
+PACKAGE_NAME="$1"
+
+if [ -z "$PACKAGE_NAME" ]; then
+	echo "Usage: $0 <package-name>"
+	exit 1
+fi
+
+# check that packaged dependencies are installed
+
+for dep in curl jq version_sort; do
+	if ! which -s $dep; then
+		echo "error: the '$dep' dependency is missing"
+		if [ $dep == "curl" ]; then
+			echo "... please install the 'curl' package"
+		elif [ $dep == "jq" ]; then
+			echo "... please install the 'jq' package"
+		elif [ $dep == "version_sort" ]; then
+			echo "... please install the 'libversion' package"
+		fi
+		exit 1
+	fi
+done
+
+
+# MAIN
+
+curl -H "Accept: application/json" https://hackage.haskell.org/package/$PACKAGE_NAME 2>/dev/null |
+	grep -v "Package not found: No such package in package index" |
+	jq -r 'keys[]' |
+	version_sort |
+	tail -1 ||
+	! echo "failed to find the Python package '$PACKAGE_NAME'"