Installation fails in environments without Git

[kojix2]

Programmers (in the broadest sense of the word) are seldom use an environment without Git. However, when I tried to install the minimap2 gem on our new Windows machine, it failed. This is because ruby-minimap2 uses the git apply command to adapt the patch file before compiling minimap2 to create a shared library.

C:\Users\kojix>gem install minimap2

Fetching minimap2-0.2.26.1.gem
Fetching ffi-1.15.5.gem
Fetching ffi-bitfield-0.0.7.gem
Building native extensions. This could take a while...
Successfully installed ffi-1.15.5
Successfully installed ffi-bitfield-0.0.7
Building native extensions. This could take a while...
ERROR:  Error installing minimap2:
        ERROR: Failed to build gem native extension.

    current directory: C:/Ruby32-x64/lib/ruby/gems/3.2.0/gems/minimap2-0.2.26.1/ext
C:/Ruby32-x64/bin/ruby.exe -rrubygems C:/Ruby32-x64/lib/ruby/gems/3.2.0/gems/rake-13.0.6/exe/rake RUBYARCHDIR\=C:/Ruby32-x64/lib/ruby/gems/3.2.0/extensions/x64-mingw-ucrt/3.2.0/minimap2-0.2.26.1 RUBYLIBDIR\=C:/Ruby32-x64/lib/ruby/gems/3.2.0/extensions/x64-mingw-ucrt/3.2.0/minimap2-0.2.26.1
git apply ../minimap2.patch
rake aborted!
Command failed with status (127): [git apply ../minimap2.patch...]

Tasks: TOP => default => minimap2:build
(See full trace by running task with --trace)

rake failed, exit code 1

Gem files will remain installed in C:/Ruby32-x64/lib/ruby/gems/3.2.0/gems/minimap2-0.2.26.1 for inspection.
Results logged to C:/Ruby32-x64/lib/ruby/gems/3.2.0/extensions/x64-mingw-ucrt/3.2.0/minimap2-0.2.26.1/gem_make.out

This is not likely to be a serious problem for many users, but a more clear error message might be better.