Add vim-changelog.sh, a vim changelog generator

OBS-URL: https://build.opensuse.org/package/show/editors/vim?expand=0&rev=517

vim-changelog.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env zsh
+
+directory=http://ftp.vim.org/pub/vim/patches
+version=8.1
+
+echo "Updated to revision $(echo $2 | sed 's/^0*//'), fixes the following problems"
+for i in {$1..$2}; do
+    curl $directory/$version/$version.$i -s | grep -v "Binary file (standard input) matches" | \
+    tr -d '\n' | grep -oP "Problem:.*Solution:" | sed s,"Problem:    ","  * ", | sed s,"Solution:",, | \
+    tr '\t' '\n' | sed  s,'           ','', | fmt -w 80
+done