Re: [PATCH 1/6] test-lib: introduce test_commit_bulk

> [...]
> For bulk creation, we can do much better by using fast-import, but it's
> often a pain to generate the input. Let's provide a helper to do so.
> [...]
> Signed-off-by: Jeff King <peff@peff.net>
> ---
> diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh
> @@ -233,6 +233,137 @@ test_merge () {
> +# Similar to test_commit, but efficiently create <nr> commits, each with a
> +# unique number $n (from 1 to <nr> by default) in the commit message.
> +#
> +# Usage: test_commit_bulk [options] <nr>
> +#   [...]
> +#
> +# The message, filename, and contents strings are evaluated by the shell inside
> +# double-quotes, with $n set to the current commit number. So you can do:
> +#
> +#   test_commit_bulk --filename=file --contents='modification $n'

> +# to have every commit touch the same file, but with unique content. Spaces are
> +# OK, but you must escape any metacharacters (like backslashes or
> +# double-quotes) you do not want expanded.
> +#
> +test_commit_bulk () {
> +       [...]
> +       in_dir=${indir:+-C "$indir"}