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converted sha1 check in favour of checking cached file modified timestamps

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This commit is contained in:
Darren Pearce 2011-08-26 11:05:16 -06:00
parent 8da8f6a33d
commit f8960ec783
1 changed files with 17 additions and 3 deletions
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20
lib/guard/listener.rb
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@ -28,6 +28,7 @@ module Guard
def initialize(directory=Dir.pwd, options={}) def initialize(directory=Dir.pwd, options={})
@directory = directory.to_s @directory = directory.to_s
@sha1_checksums_hash = {} @sha1_checksums_hash = {}
@file_timestamp_hash = {}
@relativize_paths = options.fetch(:relativize_paths, true) @relativize_paths = options.fetch(:relativize_paths, true)
@watch_deletions = options.deletions @watch_deletions = options.deletions
update_last_event update_last_event
@ -36,7 +37,7 @@ module Guard
def start def start
watch(@directory) watch(@directory)
# populate initial sha1 hash to watch for deleted or moved files # populate initial sha1 hash to watch for deleted or moved files
all_files.each {|path| set_sha1_checksums_hash(path, sha1_checksum(path))} if @watch_deletions all_files.each {|path| set_file_timestamp_hash(path, file_timestamp(path)) } if @watch_deletions
end end
def stop def stop
@ -53,9 +54,10 @@ module Guard
def modified_files(dirs, options={}) def modified_files(dirs, options={})
files = [] files = []
if @watch_deletions if @watch_deletions
deleted_files = @sha1_checksums_hash.collect do |path, sha1| deleted_files = @file_timestamp_hash.collect do |path, ts|
unless File.exists?(path) unless File.exists?(path)
@sha1_checksums_hash.delete(path) @sha1_checksums_hash.delete(path)
@file_timestamp_hash.delete(path)
"!#{path}" "!#{path}"
end end
end end
@ -121,7 +123,11 @@ module Guard
set_sha1_checksums_hash(path, sha1_checksum(path)) set_sha1_checksums_hash(path, sha1_checksum(path))
true true
elsif @watch_deletions elsif @watch_deletions
file_content_modified?(path, sha1_checksum(path)) ts = file_timestamp(path)
if ts != @file_timestamp_hash[path]
set_file_timestamp_hash(path, ts)
true
end
end end
rescue rescue
false false
@ -136,10 +142,18 @@ module Guard
end end
end end
def set_file_timestamp_hash(path, file_timestamp)
@file_timestamp_hash[path] = file_timestamp
end
def set_sha1_checksums_hash(path, sha1_checksum) def set_sha1_checksums_hash(path, sha1_checksum)
@sha1_checksums_hash[path] = sha1_checksum @sha1_checksums_hash[path] = sha1_checksum
end end
def file_timestamp(path)
File.mtime(path).to_i
end
def sha1_checksum(path) def sha1_checksum(path)
Digest::SHA1.file(path).to_s Digest::SHA1.file(path).to_s
end end