Module: Sys

Public Instance methods

Copy a single file from file_name to dest_file.

    # File lib/rake/contrib/sys.rb, line 62
62:   def copy(file_name, dest_file)
63:     log "Copying file #{file_name} to #{dest_file}"
64:     File.copy(file_name, dest_file)
65:   end

copy_files(wildcard, dest_dir)

Copy all files matching wildcard into the directory dest_dir.

    # File lib/rake/contrib/sys.rb, line 68
68:   def copy_files(wildcard, dest_dir)
69:     for_matching_files(wildcard, dest_dir) { |from, to| copy(from, to) }
70:   end

delete(*wildcards)

Remove all files matching wildcard. If a matching file is a directory, it must be empty to be removed. used delete_all to recursively delete directories.

     # File lib/rake/contrib/sys.rb, line 97
 97:   def delete(*wildcards)
 98:     wildcards.each do |wildcard|
 99:       Dir[wildcard].each do |fn|
100:         if File.directory?(fn)
101:           log "Deleting directory #{fn}"
102:           Dir.delete(fn)
103:         else
104:           log "Deleting file #{fn}"
105:           File.delete(fn)
106:         end
107:       end
108:     end
109:   end

delete_all(*wildcards)

Recursively delete all files and directories matching wildcard.

     # File lib/rake/contrib/sys.rb, line 112
112:   def delete_all(*wildcards)
113:     wildcards.each do |wildcard|
114:       Dir[wildcard].each do |fn|
115:         next if ! File.exist?(fn)
116:         if File.directory?(fn)
117:           Dir["#{fn}/*"].each do |subfn|
118:             next if subfn=='.' || subfn=='..'
119:             delete_all(subfn)
120:           end
121:           log "Deleting directory #{fn}"
122:           Dir.delete(fn)
123:         else
124:           log "Deleting file #{fn}"
125:           File.delete(fn)
126:         end
127:       end
128:     end
129:   end

for_files(*wildcards) {|fn| ...}

Perform a block with each file matching a set of wildcards.

     # File lib/rake/contrib/sys.rb, line 177
177:   def for_files(*wildcards)
178:     wildcards.each do |wildcard|
179:       Dir[wildcard].each do |fn|
180:         yield(fn)
181:       end
182:     end
183:   end

indir(dir) {|| ...}

Make dir the current working directory for the duration of executing the given block.

     # File lib/rake/contrib/sys.rb, line 141
141:   def indir(dir)
142:     olddir = Dir.pwd
143:     Dir.chdir(dir)
144:     yield
145:   ensure
146:     Dir.chdir(olddir)
147:   end

install(wildcard, dest_dir, mode)

Install all the files matching wildcard into the dest_dir directory. The permission mode is set to mode.

    # File lib/rake/contrib/sys.rb, line 44
44:   def install(wildcard, dest_dir, mode)
45:     Dir[wildcard].each do |fn|
46:       File.install(fn, dest_dir, mode, $verbose)
47:     end
48:   end

link(file_name, dest_file)

Link file_name to dest_file.

    # File lib/rake/contrib/sys.rb, line 73
73:   def link(file_name, dest_file)
74:     log "Linking file #{file_name} to #{dest_file}"
75:     File.link(file_name, dest_file)
76:   end

link_files(wildcard, dest_dir)

Link all files matching wildcard into the directory dest_dir.

    # File lib/rake/contrib/sys.rb, line 79
79:   def link_files(wildcard, dest_dir)
80:     for_matching_files(wildcard, dest_dir) { |from, to| link(from, to) }
81:   end

log(msg)

Write a message to standard out if $verbose is enabled.

     # File lib/rake/contrib/sys.rb, line 161
161:   def log(msg)
162:     print "  " if $trace && $verbose
163:     puts msg if $verbose
164:   end

makedirs(*dirs)

Make the directories given in dirs.

     # File lib/rake/contrib/sys.rb, line 132
132:   def makedirs(*dirs)
133:     dirs.each do |fn|
134:       log "Making directory #{fn}"
135:       File.makedirs(fn)
136:     end
137:   end

quiet(&block)

Perform a block with $verbose disabled.

     # File lib/rake/contrib/sys.rb, line 167
167:   def quiet(&block)
168:     with_verbose(false, &block)
169:   end

ruby(*args)

Run a Ruby interpreter with the given arguments.

    # File lib/rake/contrib/sys.rb, line 57
57:   def ruby(*args)
58:     run "#{RUBY} #{args.join(' ')}"
59:   end

run(cmd)

Run the system command cmd.

    # File lib/rake/contrib/sys.rb, line 51
51:   def run(cmd)
52:     log cmd
53:     system(cmd) or fail "Command Failed: [#{cmd}]"
54:   end

split_all(path)

Split a file path into individual directory names.

For example:

  split_all("a/b/c") =>  ['a', 'b', 'c']

     # File lib/rake/contrib/sys.rb, line 153
153:   def split_all(path)
154:     head, tail = File.split(path)
155:     return [tail] if head == '.' || tail == '/'
156:     return [head, tail] if head == '/'
157:     return split_all(head) + [tail]
158:   end

symlink(file_name, dest_file)

Symlink file_name to dest_file.

    # File lib/rake/contrib/sys.rb, line 84
84:   def symlink(file_name, dest_file)
85:     log "Symlinking file #{file_name} to #{dest_file}"
86:     File.symlink(file_name, dest_file)
87:   end

symlink_files(wildcard, dest_dir)

Symlink all files matching wildcard into the directory dest_dir.

    # File lib/rake/contrib/sys.rb, line 90
90:   def symlink_files(wildcard, dest_dir)
91:     for_matching_files(wildcard, dest_dir) { |from, to| link(from, to) }
92:   end

verbose(&block)

Perform a block with $verbose enabled.

     # File lib/rake/contrib/sys.rb, line 172
172:   def verbose(&block)
173:     with_verbose(true, &block)
174:   end