Test sync_default_gems.rb only when git 2.32 is available
With older git, as GIT_CONFIG_GLOBAL environment variable is not supported, these tests clobber user's configurations.
GIT_CONFIG_GLOBAL
Test sync_default_gems.rb only when git 2.32 is available
With older git, as
GIT_CONFIG_GLOBALenvironment variable is notsupported, these tests clobber user's configurations.