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-rwxr-xr-xTools/scripts/npmjs-get-latest-version.sh45
1 files changed, 45 insertions, 0 deletions
diff --git a/Tools/scripts/npmjs-get-latest-version.sh b/Tools/scripts/npmjs-get-latest-version.sh
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+++ b/Tools/scripts/npmjs-get-latest-version.sh
@@ -0,0 +1,45 @@
+#!/bin/sh
+#
+# MAINTAINER: yuri@FreeBSD.org
+
+set -e
+set -o pipefail
+
+export LC_ALL=C
+
+##
+## npmjs-get-latest-version.sh: retrieves the latest version of a given Node.js package as registered on https://registry.npmjs.org
+##
+
+# args
+
+PACKAGE_NAME="$1"
+
+if [ -z "$PACKAGE_NAME" ]; then
+ echo "Usage: $0 <package-name>"
+ echo "Example: $0 @github/copilot"
+ echo "Example: $0 express"
+ exit 1
+fi
+
+# check that packaged dependencies are installed
+
+for dep in curl jq; do
+ if ! which $dep >/dev/null 2>&1; then
+ echo "error: the '$dep' dependency is missing"
+ if [ $dep = "curl" ]; then
+ echo "... please install the 'curl' package"
+ elif [ $dep = "jq" ]; then
+ echo "... please install the 'jq' package"
+ fi
+ exit 1
+ fi
+done
+
+
+# MAIN
+
+curl -H "Accept: application/json" https://registry.npmjs.org/$PACKAGE_NAME/latest 2>/dev/null |
+ grep -v "Not Found" |
+ jq -r '.version' ||
+ ! echo "failed to find the Node.js package '$PACKAGE_NAME'"