simplify upgrade scripts

upgrade.sh

@@ -1,17 +1,26 @@
 #!/bin/bash
 
 ## How to run
-##   `./upgrade.sh from to`
-##
-## such as:
-##   `./upgrade.sh 0.3.1 0.3.2`
+##   `./upgrade.sh`
 
-if [ "$#" -ne 2 ]
-then
-   echo "Arguments are not equals to 2\n"
-   echo "./upgrade.sh from to"
-   exit 1
+# https://gist.github.com/lukechilds/a83e1d7127b78fef38c2914c4ececc3c
+# Usage
+# $ get_latest_release "duckdb/duckdb"
+get_latest_release() {
+    curl --silent "https://api.github.com/repos/$1/releases/latest" | # Get latest release from GitHub api
+      grep '"tag_name":' |                                            # Get tag line
+      sed -E 's/.*"v([^"]+)".*/\1/'                                   # Pluck JSON value
+}
+
+duckdb_version=$(get_latest_release "duckdb/duckdb")
+duckdb_rs_version=$(get_latest_release "duckdb/duckdb-rs")
+
+if [ $duckdb_version = $duckdb_rs_version ]; then
+    echo "Already update to date, latest version is $duckdb_version"
+    exit 0
 fi
 
-sed -i '' "s/$1/$2/g" Cargo.toml libduckdb-sys/upgrade.sh libduckdb-sys/Cargo.toml .github/workflows/rust.yaml
+echo "Start to upgrade from $duckdb_version to $duckdb_rs_version"
+
+sed -i '' "s/$duckdb_rs_version/$duckdb_version/g" Cargo.toml libduckdb-sys/upgrade.sh libduckdb-sys/Cargo.toml .github/workflows/rust.yaml
 ./libduckdb-sys/upgrade.sh