config: handle empty conditional in includeIf

Add `rename_threshold` to `git_status_options`.

When a config file contains `[includeIf]` (with no condition), we should
treat that as a falsey value.  This means that we should properly parse
a config value of `includeIf.path`.

ntmlclient: fix linking with libressl

Remove PSGit from Language Bindings section of README

PSGit is not using libgit2 library. It is stub of a library and is not developed further.

ci: build with ssh on nightly

remote: refactor insteadof application

Using the insteadof helper would leak memory when we didn't really want
the pushInsteadOf configuration.  Refactor the choice into the function
that allocates memory (or now, not) and use a more idiomatic `int`
return code.

See commit f0e693b1

Since we are able to give our own git checkout options,
the default git checkout strategy will be the same as
initialized in a new git_checkout_options struct.

Extend the `git_worktree_add_options` to include `git_checkout_options`.

github issue #5949

blob: identify binary content

Config parsing

git_commit_summary: ignore lines with spaces

remotes: fix insteadOf/pushInsteadOf handling

Better revparse compatibility for at time notation

Fix a long long that crept past