fix: improve run script

- if `VERSION` ends with `-pro`, set `DISTRIBUTION` to `pro`
- if `DISTRIBUTION` is `pro`, and `VERSION` does not have the `-pro`
  suffix, add it

closes #4374

www/docs/install.md

@@ -205,6 +205,9 @@ Once you do that, you can install the packages.
     ```bash
     curl -sfL https://goreleaser.com/static/run |
       VERSION=__VERSION__ DISTRIBUTION=oss bash -s -- check
+
+    curl -sfL https://goreleaser.com/static/run |
+      VERSION=__VERSION__ DISTRIBUTION=pro bash -s -- check
     ```
 
 !!! tip

www/docs/static/run

@@ -1,6 +1,10 @@
-#!/bin/sh
+#!/bin/bash
 set -e
 
+if [[ "$VERSION" == *-pro ]]; then
+	DISTRIBUTION="pro"
+fi
+
 if test "$DISTRIBUTION" = "pro"; then
 	echo "Using Pro distribution..."
 	RELEASES_URL="https://github.com/goreleaser/goreleaser-pro/releases"
@@ -20,9 +24,14 @@ test -z "$VERSION" && {
 	exit 1
 }
 
+if test "$DISTRIBUTION" = "pro" && [[ "$VERSION" != *-pro ]]; then
+	VERSION="$VERSION-pro"
+fi
+
 TMP_DIR="$(mktemp -d)"
 # shellcheck disable=SC2064 # intentionally expands here
 trap "rm -rf \"$TMP_DIR\"" EXIT INT TERM
+
 OS="$(uname -s)"
 ARCH="$(uname -m)"
 test "$ARCH" = "aarch64" && ARCH="arm64"