diff options
Diffstat (limited to 'support/texdoc/script/texdoc.tlu')
-rwxr-xr-x | support/texdoc/script/texdoc.tlu | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/support/texdoc/script/texdoc.tlu b/support/texdoc/script/texdoc.tlu index b859868236..bc2139435a 100755 --- a/support/texdoc/script/texdoc.tlu +++ b/support/texdoc/script/texdoc.tlu @@ -7,11 +7,39 @@ -- Note: we keep this file small as much as possible so that make it easier -- to install a new version of texdoc in TEXMFHOME. --- setup the kpse library and load texdoclib +local lfs = require 'lfs' +local kpse = require 'kpse' + +-- setup kpse library kpse.set_program_name(arg[-1], 'texdoc') -local texdoc = require('texdoclib') --- execute +-- get realpath of this file +local function realpath(p) + if os.type == 'unix' then + local h = io.popen(string.format("realpath '%s'", p)) + local r = h:read('*a') + h:close() + return r:gsub('\n$', '') + else + return '' + end +end +local file = realpath(arg[0]) + +-- if the file is not in TEXMFMAIN, set temporal TEXMFAUXTREES and TEXMFDIST +local texmf = file:match('^(.*/texmf[^/]*)/scripts/texdoc/texdoc.tlu$') +if texmf ~= nil then + if texmf ~= kpse.var_value('TEXMFMAIN') then + io.stderr:write('Info: ' .. + 'Running Texdoc not installed in the current TEXMFMAIN.\n') + os.setenv('TEXMFAUXTREES', texmf .. ',') + os.setenv('TEXMFDIST', ',') + end +end + +-- load the library and execute +local texdoc = require 'texdoclib' +assert(texdoc.cli, 'Internal error: Texdoc is not installed properly.') texdoc.cli.exec() -- vim: ft=lua: |