prosody
7ae000fc8c07
util/paths.lua

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util/paths.lua @ 13267:7ae000fc8c07 0.12

mod_muc_mam: Improve wording of enable setting Suggested by jstein in the chat This option label is used by XMPP clients to explain what the option does. a) The user should know where the data is archived. b) The user needs a statement that can be enabled/disabled by the variable. A question would have the wrong logic here.
author Kim Alvefur <zash@zash.se>
date Sun, 15 Oct 2023 14:43:11 +0200
parent 11183:2ac63715ef6f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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2dc8dbd0940e util.paths: Add function for joining path segments
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1 local t_concat = table.concat;
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2
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3 local path_sep = package.config:sub(1,1);
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4
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5 local path_util = {}
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6
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7 -- Helper function to resolve relative paths (needed by config)
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8 function path_util.resolve_relative_path(parent_path, path)
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9 if path then
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10 -- Some normalization
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11 parent_path = parent_path:gsub("%"..path_sep.."+$", "");
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12 path = path:gsub("^%.%"..path_sep.."+", "");
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13
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14 local is_relative;
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15 if path_sep == "/" and path:sub(1,1) ~= "/" then
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16 is_relative = true;
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17 elseif path_sep == "\\" and (path:sub(1,1) ~= "/" and (path:sub(2,3) ~= ":\\" and path:sub(2,3) ~= ":/")) then
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18 is_relative = true;
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19 end
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20 if is_relative then
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21 return parent_path..path_sep..path;
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22 end
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23 end
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24 return path;
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25 end
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26
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27 -- Helper function to convert a glob to a Lua pattern
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28 function path_util.glob_to_pattern(glob)
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29 return "^"..glob:gsub("[%p*?]", function (c)
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30 if c == "*" then
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31 return ".*";
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32 elseif c == "?" then
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33 return ".";
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34 else
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35 return "%"..c;
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36 end
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37 end).."$";
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38 end
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39
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40 function path_util.join(a, b, c, ...) -- (... : string) --> string
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41 -- Optimization: Avoid creating table for most uses
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42 if b then
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43 if c then
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44 if ... then
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45 return t_concat({a,b,c,...}, path_sep);
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46 end
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47 return a..path_sep..b..path_sep..c;
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48 end
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49 return a..path_sep..b;
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50 end
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51 return a;
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52 end
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53
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54 function path_util.complement_lua_path(installer_plugin_path)
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55 -- Checking for duplicates
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56 -- The commands using luarocks need the path to the directory that has the /share and /lib folders.
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57 local lua_version = _VERSION:match(" (.+)$");
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58 local lua_path_sep = package.config:sub(3,3);
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59 local dir_sep = package.config:sub(1,1);
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60 local sub_path = dir_sep.."lua"..dir_sep..lua_version..dir_sep;
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61 if not string.find(package.path, installer_plugin_path, 1, true) then
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62 package.path = package.path..lua_path_sep..installer_plugin_path..dir_sep.."share"..sub_path.."?.lua";
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63 package.path = package.path..lua_path_sep..installer_plugin_path..dir_sep.."share"..sub_path.."?"..dir_sep.."init.lua";
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64 end
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65 if not string.find(package.path, installer_plugin_path, 1, true) then
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66 package.cpath = package.cpath..lua_path_sep..installer_plugin_path..dir_sep.."lib"..sub_path.."?.so";
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67 end
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68 end
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69
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70 return path_util;