When will git support be enabled again?

Are you using PopOS?

Yes. Pop!_OS 20.10.

Then you want the PopOS forum here
https://pop-planet.info/forums/

None of the "Ubuntu based" distributions are supported here.

There would be no point in going there as nobody there has got anything to do with this package as it comes from this repository. Pop!_OS is essentially Ubuntu and it uses this repository.

$ apt show exa
Package: exa
Version: 0.9.0-4
Built-Using: rustc (= 1.43.0+dfsg1+llvm-1~exp1ubuntu2)
Priority: optional
Section: universe/utils
Source: rust-exa
Origin: Ubuntu
Maintainer: Ubuntu Developers <email address hidden>
Original-Maintainer: Debian Rust Maintainers <email address hidden>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 890 kB
Depends: libc6 (>= 2.18), libgcc-s1 (>= 3.3)
Homepage: https://the.exa.website/
X-Cargo-Built-Using: rust-aho-corasick (= 0.7.10-1), rust-ansi-term (= 0.12.1-1), rust-atty (= 0.2.14-2), rust-byteorder (= 1.3.4-1), rust-cfg-if (= 0.1.10-4.1), rust-datetime (= 0.4.7-2build1), rust-env-logger (= 0.7.1-2), rust-glob (= 0.3.0-1), rust-humantime (= 2.0.0-1), rust-iso8601 (= 0.3.0-1), rust-lazy-static (= 1.4.0-1), rust-libc (= 0.2.68-2), rust-locale (= 0.2.2-1), rust-log (= 0.4.8-4), rust-memchr (= 2.2.1-1), rust-natord (= 1.0.9-1), rust-nom-4 (= 4.2.3-3), rust-num-cpus (= 1.13.0-1), rust-num-traits (= 0.2.11-1+doctestfix), rust-number-prefix (= 0.3.0-1), rust-pad (= 0.1.6-1), rust-regex (= 1.3.7-1), rust-regex-syntax (= 0.6.17-1), rust-scoped-threadpool (= 0.1.9-1), rust-term-grid (= 0.1.7-1), rust-term-size (= 0.3.1-2), rust-termcolor (= 1.1.0-1), rust-thread-local (= 1.0.1-1), rust-unicode-width (= 0.1.7-2.1), rust-users (= 0.10.0-1), rust-zoneinfo-compiled (= 0.4.8-1), rustc (= 1.43.0+dfsg1+llvm-1~exp1ubuntu2)
Download-Size: 302 kB
APT-Manual-Installed: yes
APT-Sources: http://us.archive.ubuntu.com/ubuntu groovy/universe amd64 Packages
Description: Modern replacement for ls
 exa is an improved file lister with more features and better defaults.
 It uses colours to distinguish file types and metadata. It knows about
 symlinks, extended attributes, and Git. And it’s small, fast, and just
  one single binary.
 .
 This package contains the following binaries built from the Rust crate
 "exa":
  - exa

That's not my problem. This is Ubuntu support only. You aren't using Ubuntu. You can't just defect here because your community doesn't reply.

There are distribution agnostic forums on the Web but this isn't one of them.

Remark: Ubuntu has copied that package from Debian without additional modifications.
see https://metadata.ftp-master.debian.org/changelogs//main/r/rust-exa/rust-exa_0.9.0-4_changelog to see that git support was removed there, because it failed in the tests.