Can you give an example of a .ca-bundle file?

Question

Digital certificates

You won't believe it, but in google for queries

ca-bundle example
ca-bundle file example
load ca-bundle file example

etc. silence until the tenth page at least

Answer 1

There's nothing to add :) They're just root certificates one after the other in PEM format.

Answer 2

I believe that we are talking about a file containing root certificates.
For example, this one: https://curl.haxx.se/docs/caextract.html