mudgangster

Tiny, scriptable MUD client
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git_version.lua (501B)

      1 local function exec( cmd )
      2 	local pipe = assert( io.popen( cmd ) )
      3 	local res = pipe:read( "*line" )
      4 	pipe:close()
      5 	return res or ""
      6 end
      7 
      8 local version = exec( "git rev-parse --short HEAD" )
      9 local gitversion = "#define APP_VERSION \"" .. version .. "\"\n"
     10 
     11 local r = io.open( "src/gitversion.h", "r" )
     12 local current = r and r:read( "*all" )
     13 if r then
     14 	r:close()
     15 end
     16 
     17 if current ~= gitversion then
     18 	local w = assert( io.open( "src/gitversion.h", "w" ) )
     19 	w:write( gitversion )
     20 	assert( w:close() )
     21 end