Add download_release.sh

See #1738

scripts/dev/download_release.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+
+# This script downloads the given release from GitHub so we can mirror it on
+# qutebrowser.org.
+
+tmpdir=$(mktemp -d)
+oldpwd=$PWD
+
+if [[ $# != 1 ]]; then
+    echo "Usage: $0 <version>" >&2
+    exit 1
+fi
+
+cd "$tmpdir"
+mkdir windows
+
+base="https://github.com/The-Compiler/qutebrowser/releases/download/v$1"
+
+wget "$base/qutebrowser-$1.tar.gz" || exit 1
+wget "$base/qutebrowser-$1.tar.gz.asc" || exit 1
+wget "$base/qutebrowser-$1.dmg" || exit 1
+wget "$base/qutebrowser_${1}-1_all.deb" || exit 1
+
+cd windows
+wget "$base/qutebrowser-${1}-amd64.msi" || exit 1
+wget "$base/qutebrowser-${1}-win32.msi" || exit 1
+wget "$base/qutebrowser-${1}-windows-standalone-amd64.zip" || exit 1
+wget "$base/qutebrowser-${1}-windows-standalone-win32.zip" || exit 1
+
+dest="/srv/http/qutebrowser/releases/v$1"
+cd "$oldpwd"
+sudo mv "$tmpdir" "$dest"
+sudo chown -R http:http "$dest"