git: 74817ebe9b7d - main - Uses/cabal.mk: Expand comment for cabal-extract target.

The branch main has been updated by arrowd:

URL: https://cgit.FreeBSD.org/ports/commit/?id=74817ebe9b7d52c4071372491cda1aad5b59afe9

commit 74817ebe9b7d52c4071372491cda1aad5b59afe9
Author:     Gleb Popov <arrowd@FreeBSD.org>
AuthorDate: 2022-07-28 08:31:46 +0000
Commit:     Gleb Popov <arrowd@FreeBSD.org>
CommitDate: 2022-07-28 19:52:55 +0000

    Uses/cabal.mk: Expand comment for cabal-extract target.
---
 Mk/Uses/cabal.mk | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Mk/Uses/cabal.mk b/Mk/Uses/cabal.mk
index 425c7a377d0d..a85a7b62529b 100644
--- a/Mk/Uses/cabal.mk
+++ b/Mk/Uses/cabal.mk
@@ -153,7 +153,10 @@ EXTRACT_ONLY+= ${_CABAL_EXTRACT_ONLY}
 
 # Auxiliary targets used during port creation/updating.
 
+# Populates Haskell package list from Hackage.
 # Fetches and unpacks package source from Hackage using only PORTNAME and PORTVERSION.
+# If Hackage isn't a default MASTER_SITE (for instance, when USE_GITHUB is present)
+# this target requires distinfo to be present too.
 cabal-extract: check-cabal
 .  if ${_hackage_is_default} == no
 	@${ECHO_MSG} "===> Recursing down to make extract"