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#!/usr/bin/lua
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-- rpm call
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-- debug=true lua -- copy_jdk_configs.lua --currentjvm "%{uniquesuffix %{nil}}" --jvmdir "%{_jvmdir %{nil}}" --origname "%{name}" --origjavaver "%{javaver}" --arch "%{_arch}"
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--test call
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-- debug=true lua -- copy_jdk_configs.lua --currentjvm "java-1.8.0-openjdk-1.8.0.65-3.b17.fc22.x86_64" --jvmdir "/usr/lib/jvm" --origname "java-1.8.0-openjdk" --origjavaver "1.8.0" --arch "x86_64" --jvmDestdir /home/jvanek/Desktop
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local M = {}
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if (os.getenv("debug") == "true") then
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debug = true;
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else
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debug = false;
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end
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local function debugOneLinePrint(string)
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if (debug) then
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print(string)
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end ;
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end
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function getPath(str, sep)
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sep = sep or '/'
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return str:match("(.*" .. sep .. ")")
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end
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function splitToTable(source, pattern)
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local i1 = string.gmatch(source, pattern)
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local l1 = {}
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for i in i1 do
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table.insert(l1, i)
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end
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return l1
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end
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local function slurp(path)
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local f = io.open(path)
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local s = f:read("*a")
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f:close()
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return s
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end
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function trim(s)
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return (s:gsub("^%s*(.-)%s*$", "%1"))
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end
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local function dirWithParents(path)
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local s = ""
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local dirs = splitToTable(path, "[^/]+")
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for i, d in pairs(dirs) do
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if (i == #dirs) then
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break
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end
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s = s .. "/" .. d
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local stat2 = posix.stat(s, "type");
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if (stat2 == nil) then
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debugOneLinePrint(s .. " does not exists, creating")
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if (not dry) then
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posix.mkdir(s)
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end
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else
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debugOneLinePrint(s .. " exists,not creating")
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end
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end
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end
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-- main function,
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-- formelry main body
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-- move to function resolved
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-- https://bugzilla.redhat.com/show_bug.cgi?id=1892224
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-- for readability not indented, todo, indent once tuned
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function M.mainProgram(arg)
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debugOneLinePrint("cjc: lua debug on")
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local caredFiles = { "jre/lib/calendars.properties",
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"jre/lib/content-types.properties",
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"jre/lib/flavormap.properties",
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"jre/lib/logging.properties",
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"jre/lib/net.properties",
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"jre/lib/psfontj2d.properties",
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"jre/lib/sound.properties",
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"jre/lib/deployment.properties",
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"jre/lib/deployment.config",
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"jre/lib/security/US_export_policy.jar",
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"jre/lib/security/unlimited/US_export_policy.jar",
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"jre/lib/security/limited/US_export_policy.jar",
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"jre/lib/security/policy/unlimited/US_export_policy.jar",
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"jre/lib/security/policy/limited/US_export_policy.jar",
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"jre/lib/security/java.policy",
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"jre/lib/security/java.security",
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"jre/lib/security/local_policy.jar",
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"jre/lib/security/unlimited/local_policy.jar",
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"jre/lib/security/limited/local_policy.jar",
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"jre/lib/security/policy/unlimited/local_policy.jar",
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"jre/lib/security/policy/limited/local_policy.jar",
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"jre/lib/security/nss.cfg",
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"jre/lib/security/cacerts",
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"jre/lib/security/blacklisted.certs",
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"jre/lib/security/jssecacerts",
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"jre/lib/security/trusted.certs",
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"jre/lib/security/trusted.jssecerts",
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"jre/lib/security/trusted.clientcerts",
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"jre/lib/ext",
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"jre/lib/security/blacklist",
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"jre/lib/security/javaws.policy",
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"jre/lib/security/nss.fips.cfg",
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"lib/security",
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"conf",
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"lib/ext" }
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-- before import to allow run from spec
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if (arg[1] == "--list") then
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for i, file in pairs(caredFiles) do
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print(file)
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end
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return 0;
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end
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-- yum install lua-posix
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local posix = require "posix"
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-- the one we are installing
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local currentjvm = nil
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local jvmdir = nil
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local jvmDestdir = nil
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local origname = nil
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local origjavaver = nil
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local arch = nil
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local temp = nil;
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local dry = false;
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for i = 1, #arg, 2 do
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if (arg[i] == "--help" or arg[i] == "-h") then
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print("all but jvmDestdir and debug are mandatory")
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print(" --currentjvm")
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print(" NVRA of currently installed java")
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print(" --jvmdir")
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print(" Directory where to find this kind of virtual machine. Generally /usr/lib/jvm")
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print(" --origname")
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print(" convinient switch to determine jdk. Generally java-1.X.0-vendor")
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print(" --origjavaver")
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print(" convinient switch to determine jdk's version. Generally 1.X.0")
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print(" --arch")
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print(" convinient switch to determine jdk's arch")
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print(" --jvmDestdir")
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print(" Migration/testing switch. Target Mostly same as jvmdir, but you may wont to copy ouside it.")
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print(" --debug or $debug")
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print(" Enables printing out whats going on. true/false. False by default")
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print(" --temp")
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print(" optional file to save intermediate result - directory configs were copied from")
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print(" --dry")
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print(" true/fase if true, then no changes will be written to disk except one tmp file. False by default")
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print(" **** specil parasm ****")
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print(" --list")
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print(" if present on cmdline, list all cared files and exists")
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os.exit(0)
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end
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if (arg[i] == "--currentjvm") then
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currentjvm = arg[i + 1]
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end
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if (arg[i] == "--jvmdir") then
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jvmdir = arg[i + 1]
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end
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if (arg[i] == "--origname") then
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origname = arg[i + 1]
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end
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if (arg[i] == "--origjavaver") then
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origjavaver = arg[i + 1]
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end
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if (arg[i] == "--arch") then
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arch = arg[i + 1]
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end
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if (arg[i] == "--jvmDestdir") then
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jvmDestdir = arg[i + 1]
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end
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if (arg[i] == "--debug") then
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--no string, boolean, workaround
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if (arg[i + 1] == "true") then
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debug = true
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end
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end
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if (arg[i] == "--dry") then
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--no string, boolean, workaround
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if (arg[i + 1] == "true") then
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dry = true
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end
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end
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if (arg[i] == "--temp") then
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temp = arg[i + 1]
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end
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end
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if (jvmDestdir == nil) then
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jvmDestdir = jvmdir
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end
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if (debug) then
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print("--currentjvm:");
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print(currentjvm);
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print("--jvmdir:");
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print(jvmdir);
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print("--jvmDestdir:");
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print(jvmDestdir);
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print("--origname:");
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print(origname);
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print("--origjavaver:");
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print(origjavaver);
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print("--arch:");
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print(arch);
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print("--debug:");
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print(debug);
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end
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--trasnform substitute names to lua patterns
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local name = string.gsub(string.gsub(origname, "%-", "%%-"), "%.", "%%.")
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local javaver = string.gsub(origjavaver, "%.", "%%.")
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local jvms = { }
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debugOneLinePrint("started")
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foundJvms = posix.dir(jvmdir);
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if (foundJvms == nil) then
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debugOneLinePrint("no, or nothing in " .. jvmdir .. " exit")
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return
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end
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debugOneLinePrint("found " .. #foundJvms .. " jvms")
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for i, p in pairs(foundJvms) do
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-- regex similar to %{_jvmdir}/%{name}-%{javaver}*%{_arch} bash command
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if (string.find(p, name .. "%-" .. javaver .. ".*" .. arch) ~= nil) then
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debugOneLinePrint("matched: " .. p)
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if (currentjvm == p) then
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debugOneLinePrint("this jdk is already installed. exiting lua script")
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return
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end ;
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if (string.match(p, ".*-debug$")) then
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print(p .. " matched but seems to be debug variant. Skipping")
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else
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table.insert(jvms, p)
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end
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else
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debugOneLinePrint("NOT matched: " .. p)
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0be2c1 |
end
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end
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if (#jvms <= 0) then
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debugOneLinePrint("no matching jdk in " .. jvmdir .. " exit")
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return
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end ;
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0be2c1 |
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debugOneLinePrint("matched " .. #jvms .. " jdk in " .. jvmdir)
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0be2c1 |
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0be2c1 |
--full names are like java-1.7.0-openjdk-1.7.0.60-2.4.5.1.fc20.x86_64
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table.sort(jvms, function(a, b)
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0be2c1 |
-- version-sort
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0be2c1 |
-- split on non word: . -
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0be2c1 |
local l1 = splitToTable(a, "[^%.-]+")
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local l2 = splitToTable(b, "[^%.-]+")
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for x = 1, math.min(#l1, #l2) do
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local l1x = tonumber(l1[x])
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local l2x = tonumber(l2[x])
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if (l1x ~= nil and l2x ~= nil) then
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0be2c1 |
--if hunks are numbers, go with them
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0be2c1 |
if (l1x < l2x) then
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return true;
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0be2c1 |
end
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0be2c1 |
if (l1x > l2x) then
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0be2c1 |
return false;
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0be2c1 |
end
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else
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0be2c1 |
if (l1[x] < l2[x]) then
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0be2c1 |
return true;
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0be2c1 |
end
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0be2c1 |
if (l1[x] > l2[x]) then
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0be2c1 |
return false;
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0be2c1 |
end
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0be2c1 |
end
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0be2c1 |
-- if hunks are equals then move to another pair of hunks
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0be2c1 |
end
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0be2c1 |
return a < b
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0be2c1 |
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0be2c1 |
end)
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0be2c1 |
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0be2c1 |
if (debug) then
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0be2c1 |
print("sorted lsit of jvms")
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0be2c1 |
for i, file in pairs(jvms) do
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0be2c1 |
print(file)
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0be2c1 |
end
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0be2c1 |
end
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0be2c1 |
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0be2c1 |
latestjvm = jvms[#jvms]
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0be2c1 |
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0be2c1 |
if (temp ~= nil) then
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0be2c1 |
src = jvmdir .. "/" .. latestjvm
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0be2c1 |
debugOneLinePrint("temp declared as " .. temp .. " saving used dir of " .. src)
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0be2c1 |
file = io.open(temp, "w")
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0be2c1 |
file:write(src)
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0be2c1 |
file:close()
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0be2c1 |
end
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|
0be2c1 |
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0be2c1 |
local readlinkOutput = os.tmpname()
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0be2c1 |
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0be2c1 |
for i, file in pairs(caredFiles) do
|
|
|
0be2c1 |
local SOURCE = jvmdir .. "/" .. latestjvm .. "/" .. file
|
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|
0be2c1 |
local DEST = jvmDestdir .. "/" .. currentjvm .. "/" .. file
|
|
|
0be2c1 |
debugOneLinePrint("going to copy " .. SOURCE)
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|
0be2c1 |
debugOneLinePrint("to " .. DEST)
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|
0be2c1 |
local stat1 = posix.stat(SOURCE, "type");
|
|
|
0be2c1 |
if (stat1 ~= nil) then
|
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|
0be2c1 |
debugOneLinePrint(SOURCE .. " exists")
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|
|
0be2c1 |
dirWithParents(DEST)
|
|
|
0be2c1 |
-- Copy with -a to keep everything intact
|
|
|
0be2c1 |
local exe = "cp" .. " -ar " .. SOURCE .. " " .. DEST
|
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|
0be2c1 |
local linkExe = "readlink" .. " -f " .. SOURCE .. " > " .. readlinkOutput
|
|
|
0be2c1 |
debugOneLinePrint("executing " .. linkExe)
|
|
|
0be2c1 |
os.remove(readlinkOutput)
|
|
|
0be2c1 |
os.execute(linkExe)
|
|
|
0be2c1 |
local link = trim(slurp(readlinkOutput))
|
|
|
0be2c1 |
debugOneLinePrint(" ...link is " .. link)
|
|
|
0be2c1 |
if (not ((link) == (SOURCE))) then
|
|
|
0be2c1 |
debugOneLinePrint("WARNING link " .. link .. " where file " .. SOURCE .. " expected!")
|
|
|
0be2c1 |
debugOneLinePrint("Will try to copy link target rather then link itself!")
|
|
|
0be2c1 |
--replacing any NVRA by future NVRA (still execting to have NVRA for any multiple-installable targets
|
|
|
0be2c1 |
-- lua stubbornly consider dash as inteval. Replacing by dot to match X-Y more correct as X.Y rather then not at all
|
|
|
0be2c1 |
local linkDest = string.gsub(link, latestjvm:gsub("-", "."), currentjvm)
|
|
|
0be2c1 |
debugOneLinePrint("attempting to copy " .. link .. " to " .. linkDest)
|
|
|
0be2c1 |
if (link == linkDest) then
|
|
|
0be2c1 |
debugOneLinePrint("Those are identical files! Nothing to do!")
|
|
|
0be2c1 |
else
|
|
|
0be2c1 |
local exe2 = "cp" .. " -ar " .. link .. " " .. linkDest
|
|
|
0be2c1 |
dirWithParents(linkDest)
|
|
|
0be2c1 |
debugOneLinePrint("executing " .. exe2)
|
|
|
0be2c1 |
if (not dry) then
|
|
|
0be2c1 |
os.execute(exe2)
|
|
|
0be2c1 |
end
|
|
|
0be2c1 |
end
|
|
|
0be2c1 |
else
|
|
|
0be2c1 |
debugOneLinePrint("executing " .. exe)
|
|
|
0be2c1 |
if (not dry) then
|
|
|
0be2c1 |
os.execute(exe)
|
|
|
0be2c1 |
end
|
|
|
0be2c1 |
end
|
|
|
0be2c1 |
else
|
|
|
0be2c1 |
debugOneLinePrint(SOURCE .. " does not exists")
|
|
|
0be2c1 |
end
|
|
|
0be2c1 |
end
|
|
|
0be2c1 |
|
|
|
0be2c1 |
end --unindented main function
|
|
|
0be2c1 |
|
|
|
0be2c1 |
if (arg == nil) then
|
|
|
0be2c1 |
debugOneLinePrint("arg variable is nil, you have to call mainProgram manually") -- this can actually not be invoked, as the debug is set via arg
|
|
|
0be2c1 |
else
|
|
|
0be2c1 |
M.mainProgram(arg)
|
|
|
0be2c1 |
end
|
|
|
0be2c1 |
|
|
|
0be2c1 |
return M
|