diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/byteback/backup_directory.rb | 9 | ||||
| -rw-r--r-- | lib/byteback/util.rb | 8 |
2 files changed, 15 insertions, 2 deletions
diff --git a/lib/byteback/backup_directory.rb b/lib/byteback/backup_directory.rb index 89b0ae9..a39cf84 100644 --- a/lib/byteback/backup_directory.rb +++ b/lib/byteback/backup_directory.rb @@ -1,6 +1,11 @@ +require 'byteback/utils' + module Byteback # Represents a particular timestamped backup directory class Snapshot + + include Byteback::Util + class << self # What order to remove snapshots in to regain disk space? # @@ -111,11 +116,11 @@ module Byteback end def create!(from) - system_no_error("/sbin/btrfs subvolume snapshot #{from} #{path}") + system_no_error("#{btrfs_bin} subvolume snapshot #{from} #{path}") end def delete! - system_no_error("/sbin/btrfs subvolume delete #{path}") + system_no_error("#{btrfs_bin} subvolume delete #{path}") end # Returns the size of the given snapshot (runs du, may be slow) diff --git a/lib/byteback/util.rb b/lib/byteback/util.rb index 9a993d6..ebf5ca5 100644 --- a/lib/byteback/util.rb +++ b/lib/byteback/util.rb @@ -66,5 +66,13 @@ module Byteback pid2, status = Process.waitpid2(pid, 0) status.exitstatus end + + def btrfs_bin + %w(/bin/btrfs /sbin/btrfs).each do |path| + return path if File.exist?(path) + end + raise Errno::ENOENT, 'btrfs' + end + end end |