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| author | Jack Nagel | 2013-09-10 15:08:03 -0500 |
|---|---|---|
| committer | Jack Nagel | 2013-09-10 15:12:39 -0500 |
| commit | 95020adf9d3910c15df685855c21a522f4202036 (patch) | |
| tree | a9fbbbb0967738ef8cb9f46f42b796c26226cdc0 | |
| parent | 3483d6857814d344d5259cc0978a20cc54c62e77 (diff) | |
| download | homebrew-95020adf9d3910c15df685855c21a522f4202036.tar.bz2 | |
update: restore previous state when interrupted
Fixes #19460.
Closes #22375.
| -rw-r--r-- | Library/Homebrew/cmd/update.rb | 10 |
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? && $?.termsig == 2 # SIGINT + safe_system "git", "reset", "--hard", @initial_revision + end + end + # Matches raw git diff format (see `man git-diff-tree`) DIFFTREE_RX = /^:[0-7]{6} [0-7]{6} [0-9a-fA-F]{40} [0-9a-fA-F]{40} ([ACDMR])\d{0,3}\t(.+?)(?:\t(.+))?$/ |