diff options
-rw-r--r-- | lib/fileutils.rb | 98 |
1 files changed, 54 insertions, 44 deletions
diff --git a/lib/fileutils.rb b/lib/fileutils.rb index d98d2a08be..dcdd620c4a 100644 --- a/lib/fileutils.rb +++ b/lib/fileutils.rb @@ -269,7 +269,7 @@ module FileUtils return false unless FileTest.exist? new new_time = File.ctime(new) args.each do |old| - if FileTest.exist? old then + if FileTest.exist? old return false unless new_time > File.mtime(old) end end @@ -294,14 +294,14 @@ module FileUtils fu_output_message "mkdir -p #{list.join ' '}" if verbose return *list if noop - list.collect {|n| File.expand_path(n) }.each do |dir| + list.map {|n| File.expand_path(n) }.each do |dir| stack = [] - until FileTest.directory? dir do + until FileTest.directory? dir stack.push dir dir = File.dirname(dir) end - stack.reverse_each do |dir| - Dir.mkdir dir + stack.reverse_each do |n| + Dir.mkdir n end end @@ -329,7 +329,7 @@ module FileUtils fu_output_message "ln #{argv.join ' '}" if verbose return if noop - fu_each_src_dest( src, dest ) do |s,d| + fu_each_src_dest(src, dest) do |s,d| remove_file d, true if force File.link s, d end @@ -342,7 +342,7 @@ module FileUtils fu_output_message "ln -s#{force ? 'f' : ''} #{[src,dest].flatten.join ' '}" if verbose return if noop - fu_each_src_dest( src, dest ) do |s,d| + fu_each_src_dest(src, dest) do |s,d| remove_file d, true if force File.symlink s, d end @@ -361,7 +361,7 @@ module FileUtils fu_output_message "cp#{preserve ? ' -p' : ''} #{[src,dest].flatten.join ' '}" if verbose return if noop - fu_each_src_dest( src, dest ) do |s,d| + fu_each_src_dest(src, dest) do |s,d| fu_preserve_attr(preserve, s, d) { copy_file s, d } @@ -375,8 +375,8 @@ module FileUtils fu_output_message "cp -r #{[src,dest].flatten.join ' '}" if verbose return if noop - fu_each_src_dest( src, dest ) do |s,d| - if FileTest.directory? s then + fu_each_src_dest(src, dest) do |s,d| + if FileTest.directory? s fu_copy_dir s, d, '.', preserve else fu_p_copy s, d, preserve @@ -391,7 +391,7 @@ module FileUtils Dir.mkdir dir unless FileTest.directory? dir } Dir.entries( "#{src}/#{rel}" ).each do |fn| - if FileTest.directory? File.join(src,rel,fn) then + if FileTest.directory? File.join(src,rel,fn) next if /\A\.\.?\z/ === fn fu_copy_dir src, dest, "#{rel}/#{fn}", preserve else @@ -409,7 +409,7 @@ module FileUtils private :fu_p_copy def fu_preserve_attr( really, src, dest ) - unless really then + unless really yield src, dest return end @@ -418,7 +418,7 @@ module FileUtils yield src, dest File.utime st.atime, st.mtime, dest begin - File.chown st.uid, st.gid + File.chown st.uid, st.gid, dest rescue Errno::EPERM File.chmod st.mode & 01777, dest # clear setuid/setgid else @@ -428,14 +428,12 @@ module FileUtils private :fu_preserve_attr def copy_file( src, dest ) - st = r = w = nil - - File.open( src, 'rb' ) {|r| - File.open( dest, 'wb' ) {|w| - st = r.stat + bsize = fu_blksize(File.stat(src).blksize) + File.open(src, 'rb') {|r| + File.open(dest, 'wb') {|w| begin - while true do - w.write r.sysread(st.blksize) + while true + w.syswrite r.sysread(bsize) end rescue EOFError end @@ -448,16 +446,15 @@ module FileUtils fu_output_message "mv #{[src,dest].flatten.join ' '}" if verbose return if noop - fu_each_src_dest( src, dest ) do |s,d| - if /djgpp|cygwin|mswin32/ === RUBY_PLATFORM and - FileTest.file? d then - File.unlink d + fu_each_src_dest(src, dest) do |s,d| + if cannot_overwrite_file? and FileTest.file? d + File.unlink d end begin File.rename s, d rescue - if FileTest.symlink? s then + if FileTest.symlink? s File.symlink File.readlink(s), dest File.unlink s else @@ -477,6 +474,10 @@ module FileUtils alias move mv + def cannot_overwrite_file? + /djgpp|cygwin|mswin32/ === RUBY_PLATFORM + end + def rm( list, *options ) force, noop, verbose, = fu_parseargs(options, :force, :noop, :verbose) @@ -531,7 +532,7 @@ module FileUtils rescue # rescue dos? begin - if first then + if first first = false File.chmod 0777, fn retry @@ -542,7 +543,7 @@ module FileUtils end def remove_dir( dir, force = false ) - Dir.foreach( dir ) do |file| + Dir.foreach(dir) do |file| next if /\A\.\.?\z/ === file path = "#{dir}/#{file}" if FileTest.directory? path then remove_dir path, force @@ -563,16 +564,17 @@ module FileUtils sa = sb = nil st = File.stat(filea) + bsize = fu_blksize(st.blksize) File.size(fileb) == st.size or return true - File.open( filea, 'rb' ) {|a| - File.open( fileb, 'rb' ) {|b| + File.open(filea, 'rb') {|a| + File.open(fileb, 'rb') {|b| begin - while sa == sb do - sa = a.read( st.blksize ) - sb = b.read( st.blksize ) - unless sa and sb then - if sa.nil? and sb.nil? then + while sa == sb + sa = a.read(bsize) + sb = b.read(bsize) + unless sa and sb + if sa.nil? and sb.nil? return true end end @@ -593,7 +595,7 @@ module FileUtils return if noop fu_each_src_dest( src, dest ) do |s,d| - unless FileTest.exist? d and cmp(s,d) then + unless FileTest.exist? d and cmp(s,d) remove_file d, true copy_file s, d File.chmod mode, d if mode @@ -631,10 +633,10 @@ module FileUtils def fu_parseargs( opts, *flagdecl ) tab = {} - if opts.last == true or opts.last == false then + if opts.last == true or opts.last == false tab[:verbose] = opts.pop end - while Symbol === opts.last do + while Symbol === opts.last tab[opts.pop] = true end @@ -650,7 +652,7 @@ module FileUtils end def fu_each_src_dest( src, dest ) - unless Array === src then + unless Array === src yield src, fu_dest_filename(src, dest) else dir = dest @@ -663,13 +665,21 @@ module FileUtils end def fu_dest_filename( src, dest ) - if FileTest.directory? dest then + if FileTest.directory? dest (dest[-1,1] == '/' ? dest : dest + '/') + File.basename(src) else dest end end + def fu_blksize( size ) + if size.nil? or size.zero? + 2048 + else + size + end + end + @fileutils_output = $stderr @fileutils_label = 'fileutils.' @@ -729,11 +739,11 @@ module FileUtils next unless opts.include? 'verbose' module_eval <<-End, __FILE__, __LINE__ + 1 def #{name}( *args ) - unless defined? @fileutils_verbose then + unless defined? @fileutils_verbose @fileutils_verbose = true end args.push :verbose if @fileutils_verbose - super( *args ) + super(*args) end End end @@ -755,11 +765,11 @@ module FileUtils next unless opts.include? 'noop' module_eval <<-End, __FILE__, __LINE__ + 1 def #{name}( *args ) - unless defined? @fileutils_nowrite then + unless defined? @fileutils_nowrite @fileutils_nowrite = true end args.push :noop if @fileutils_nowrite - super( *args ) + super(*args) end End end @@ -790,7 +800,7 @@ module FileUtils module_eval <<-End, __FILE__, __LINE__ + 1 def #{name}( *args ) #{s} - super( *args ) + super(*args) end End end |