prosody
5c54097ef84a
util/dependencies.lua

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util/dependencies.lua @ 2146:5c54097ef84a

util.dependencies: Make the commands line up properly in the "missing dependency" output. Yes, this was the commit you didn't know you were waiting for!
author Matthew Wild <mwild1@gmail.com>
date Mon, 23 Nov 2009 02:58:42 +0000
parent 1523:841d61be198f
child 2160:0ef04962e112
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2009 Matthew Wild
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3 -- Copyright (C) 2008-2009 Waqas Hussain
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4 --
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b1885732e979 GPL->MIT!
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9
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10 local fatal;
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11
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12 local function softreq(...) local ok, lib = pcall(require, ...); if ok then return lib; else return nil, lib; end end
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13
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14 local function missingdep(name, sources, msg)
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15 print("");
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16 print("**************************");
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17 print("Prosody was unable to find "..tostring(name));
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18 print("This package can be obtained in the following ways:");
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19 print("");
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20 local longest_platform = 0;
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21 for platform in pairs(sources) do
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22 longest_platform = math.max(longest_platform, #platform);
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23 end
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24 for platform, source in pairs(sources) do
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25 print("", platform..":"..(" "):rep(4+longest_platform-#platform)..source);
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26 end
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27 print("");
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28 print(msg or (name.." is required for Prosody to run, so we will now exit."));
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29 print("More help can be found on our website, at http://prosody.im/doc/depends");
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30 print("**************************");
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31 print("");
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32 end
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33
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34 local lxp = softreq "lxp"
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35
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36 if not lxp then
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37 missingdep("luaexpat", { ["Ubuntu 8.04 (Hardy)"] = "sudo apt-get install liblua5.1-expat0"; ["luarocks"] = "luarocks install luaexpat"; });
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38 fatal = true;
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39 end
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40
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41 local socket = softreq "socket"
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42
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43 if not socket then
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44 missingdep("luasocket", { ["Ubuntu 8.04 (Hardy)"] = "sudo apt-get install liblua5.1-socket2"; ["luarocks"] = "luarocks install luasocket"; });
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45 fatal = true;
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46 end
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47
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48 local ssl = softreq "ssl"
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49
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50 if not ssl then
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51 if config.get("*", "core", "run_without_ssl") then
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52 log("warn", "Running without SSL support because run_without_ssl is defined in the config");
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53 else
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54 missingdep("LuaSec", { ["Source"] = "http://www.inf.puc-rio.br/~brunoos/luasec/" }, "SSL/TLS support will not be available");
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55 end
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56 end
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57
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58 local encodings, err = softreq "util.encodings"
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59 if not encodings then
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60 if err:match("not found") then
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61 missingdep("util.encodings", { ["Windows"] = "Make sure you have encodings.dll from the Prosody distribution in util/";
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62 ["GNU/Linux"] = "Run './configure' and 'make' in the Prosody source directory to build util/encodings.so";
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63 });
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64 else
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65 print "***********************************"
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66 print("util/encodings couldn't be loaded. Check that you have a recent version of libidn");
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67 print ""
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68 print("The full error was:");
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69 print(err)
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70 print "***********************************"
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71 end
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72 fatal = true;
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73 end
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74
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75 local hashes, err = softreq "util.hashes"
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76 if not hashes then
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77 if err:match("not found") then
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78 missingdep("util.hashes", { ["Windows"] = "Make sure you have hashes.dll from the Prosody distribution in util/";
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79 ["GNU/Linux"] = "Run './configure' and 'make' in the Prosody source directory to build util/hashes.so";
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80 });
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81 else
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82 print "***********************************"
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83 print("util/hashes couldn't be loaded. Check that you have a recent version of OpenSSL (libcrypto in particular)");
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84 print ""
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85 print("The full error was:");
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86 print(err)
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87 print "***********************************"
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88 end
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89 fatal = true;
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90 end
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91
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92 if fatal then os.exit(1); end