diff options
Diffstat (limited to 'Master/texmf-dist/scripts/epspdf/epspdfboot.rb')
-rw-r--r-- | Master/texmf-dist/scripts/epspdf/epspdfboot.rb | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/Master/texmf-dist/scripts/epspdf/epspdfboot.rb b/Master/texmf-dist/scripts/epspdf/epspdfboot.rb new file mode 100644 index 00000000000..bdcebb77b26 --- /dev/null +++ b/Master/texmf-dist/scripts/epspdf/epspdfboot.rb @@ -0,0 +1,40 @@ +# Manipulate library path and maybe search path. + +# Problem to be solved: + +# We don't want to require Windows users to install Ruby and Tcl/Tk so +# we offer a package with a built-in Ruby subset. This subset is +# slightly modified from the subset created by rubyscript2exe +# (http://www.erikveen.dds.nl/rubyscript2exe/). + +# The rubyscript2exe directory structure is simplified compared to the +# original Ruby directory structure, so we need to modify the library +# search path and also the general search path. + +# Assumptions: + +# - The script itself is at the root or in a toplevel subdirectory. +# - If an rbconfig.rb is found at the root or in +# a toplevel directory then there is a Ruby subset. +# If that is the Ruby which is used +# then it needs help to find its files. + +dir = File.expand_path( File.dirname( __FILE__ ) ) +parent = File.dirname( dir ) +parent_sl = parent.dup + ( parent =~ /[\\\/]$/ ? '' : '/' ) +dir_sl = dir.dup + ( parent =~ /[\\\/]$/ ? '' : '/' ) +spath = ENV['PATH'].dup + +if test( ?e, parent_sl + 'lib/rbconfig.rb' ) + root_sl = parent_sl +elsif test( ?e, dir_sl + 'lib/rbconfig.rb' ) + root_sl = dir_sl +else + root_sl = nil +end + +if root_sl + $: << "#{root_sl}lib" +end + +$:.unshift( dir ) |