aboutsummaryrefslogtreecommitdiffstats
path: root/Library
diff options
context:
space:
mode:
Diffstat (limited to 'Library')
-rw-r--r--Library/Homebrew/cmd/update.rb10
1 files changed, 9 insertions, 1 deletions
diff --git a/Library/Homebrew/cmd/update.rb b/Library/Homebrew/cmd/update.rb
index b3248c5cb..09e68f688 100644
--- a/Library/Homebrew/cmd/update.rb
+++ b/Library/Homebrew/cmd/update.rb
@@ -86,11 +86,19 @@ class Updater
# the refspec ensures that 'origin/master' gets updated
args << "refs/heads/master:refs/remotes/origin/master"
- safe_system "git", *args
+ reset_on_interrupt { safe_system "git", *args }
@current_revision = read_current_revision
end
+ def reset_on_interrupt
+ ignore_interrupts { yield }
+ ensure
+ if $?.signaled? && $?.termsig == 2 # SIGINT
+ safe_system "git", "reset", "--hard", @initial_revision
+ end
+ end
+
# Matches raw git diff format (see `man git-diff-tree`)
DIFFTREE_RX = /^:[0-7]{6} [0-7]{6} [0-9a-fA-F]{40} [0-9a-fA-F]{40} ([ACDMR])\d{0,3}\t(.+?)(?:\t(.+))?$/