diff options
Diffstat (limited to 'Library/Homebrew')
| -rw-r--r-- | Library/Homebrew/utils/lock.sh | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Library/Homebrew/utils/lock.sh b/Library/Homebrew/utils/lock.sh index 04d8fd1d5..b3c23c3ef 100644 --- a/Library/Homebrew/utils/lock.sh +++ b/Library/Homebrew/utils/lock.sh @@ -42,13 +42,13 @@ _create_lock() { [[ -x "$ruby" ]] || ruby="$(which ruby 2>/dev/null)" [[ -x "$python" ]] || python="$(which python 2>/dev/null)" - if [[ -n "$ruby" && $("$ruby" -e "puts RUBY_VERSION >= '1.8.7' ? 0 : 1") = 0 ]] + if [[ -x "$ruby" && $("$ruby" -e "puts RUBY_VERSION >= '1.8.7' ? 0 : 1") = 0 ]] then "$ruby" -e "File.new($lock_fd).flock(File::LOCK_EX | File::LOCK_NB) || exit(1)" - elif [[ -n "$(which flock)" ]] + elif [[ -x "$(which flock)" ]] then flock -n "$lock_fd" - elif [[ -n "$python" ]] + elif [[ -x "$python" ]] then "$python" -c "import fcntl; fcntl.flock($lock_fd, fcntl.LOCK_EX | fcntl.LOCK_NB)" else |