Git ignore help

Hello,
I am trying to setup my git ignore (resp. .git/info/exclude) so that I exclude
 all directories and files except the content of directories that I 
specifically include (incl. anything within them recursively).

I set the .git/info/exclude with the following content:

======== # Exclude everything /* # Except the below that we include !/db/data/load/base/bootstraponly !/db/data/load/base/safetoload !/db/ddl !/labels !/reports/usrint !/scripts !/src/cmdsrc/usrint ========

However it does not do what I anticipated. It indeed excludes everything but the include part does not work - it only works for !/labels and !/scripts directories (i.e. the first level directories). All other are still ignored - so when I create file /db/data/load/base/bootstraponly/somefile.txt git still ignores it...

Any idea what I am doing wrong?

I tried all of the following combinations but still with the same result: !/db/data/load/base/bootstraponly !/db/data/load/base/bootstraponly/ !/db/data/load/base/bootstraponly/* !/db/data/load/base/bootstraponly/**

When I add just "!/db" to exclude then it works. But that's not what I want - I really want to include just the /db/data/load/base/bootstraponly and its all content...

Thank you, Martin