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-rw-r--r--Library/Homebrew/utils/git.rb5
1 files changed, 5 insertions, 0 deletions
diff --git a/Library/Homebrew/utils/git.rb b/Library/Homebrew/utils/git.rb
index 21bb7695c..25dc49b02 100644
--- a/Library/Homebrew/utils/git.rb
+++ b/Library/Homebrew/utils/git.rb
@@ -7,6 +7,11 @@ module Utils
def self.ensure_git_installed!
return if git_available?
+ # we cannot install brewed git if homebrew/core is unavailable.
+ unless CoreTap.instance.installed?
+ raise "Git is unavailable"
+ end
+
begin
oh1 "Installing git"
safe_system HOMEBREW_BREW_FILE, "install", "git"