allow Nix builds by not calling git in isGitRepo for Nimble #23515
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Because
isGitRepo()
call requires/bin/sh
it will always fail when building Nim in a Nix build sandbox, and the check doesn't even make sense if Nix already provides Nimble source code.Since for Nimble
allowBundled
is set totrue
this effectlvely does not change behavior for normal builds, but does avoid ugly hacks when building in Nix which lacks/bin/sh
and fails to callgit
.Reference: