315 lines
8.8 KiB
Lua
Executable File
315 lines
8.8 KiB
Lua
Executable File
#!/usr/bin/lua
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-- rpm call
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-- lua -- copy_jdk_configs.lua --currentjvm "%{uniquesuffix %{nil}}" --jvmdir "%{_jvmdir %{nil}}" --origname "%{name}" --origjavaver "%{javaver}" --arch "%{_arch}" --debug true
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--test call
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--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" --debug true --jvmDestdir /home/jvanek/Desktop
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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/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/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/ext",
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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 debug = false;
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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")
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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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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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--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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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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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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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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debugOneLinePrint("matched "..#jvms.." jdk in "..jvmdir)
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--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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-- version-sort
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-- split on non word: . -
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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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--if hunks are numbers, go with them
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if (l1x < l2x) then return true; end
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if (l1x > l2x) then return false; end
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else
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if (l1[x] < l2[x]) then return true; end
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if (l1[x] > l2[x]) then return false; end
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end
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-- if hunks are equals then move to another pair of hunks
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end
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return a<b
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end)
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if (debug) then
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print("sorted lsit of jvms")
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for i,file in pairs(jvms) do
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print(file)
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end
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end
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latestjvm = jvms[#jvms]
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if ( temp ~= nil ) then
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src=jvmdir.."/"..latestjvm
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debugOneLinePrint("temp declared as "..temp.." saving used dir of "..src)
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file = io.open (temp, "w")
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file:write(src)
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file:close()
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end
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local readlinkOutput=os.tmpname()
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for i,file in pairs(caredFiles) do
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local SOURCE=jvmdir.."/"..latestjvm.."/"..file
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local DEST=jvmDestdir.."/"..currentjvm.."/"..file
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debugOneLinePrint("going to copy "..SOURCE)
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debugOneLinePrint("to "..DEST)
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local stat1 = posix.stat(SOURCE, "type");
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if (stat1 ~= nil) then
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debugOneLinePrint(SOURCE.." exists")
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dirWithParents(DEST)
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-- Copy with -a to keep everything intact
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local exe = "cp".." -ar "..SOURCE.." "..DEST
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local linkExe = "readlink".." -f "..SOURCE.." > "..readlinkOutput
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debugOneLinePrint("executing "..linkExe)
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os.remove(readlinkOutput)
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os.execute(linkExe)
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local link=trim(slurp(readlinkOutput))
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debugOneLinePrint(" ...link is "..link)
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if (not ((link) == (SOURCE))) then
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debugOneLinePrint("WARNING link "..link.." where file "..SOURCE.." expected!")
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debugOneLinePrint("Will try to copy link target rather then link itself!")
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--replacing any NVRA by future NVRA (still execting to have NVRA for any multiple-installable targets
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-- lua stubbornly consider dash as inteval. Replacing by dot to match X-Y more correct as X.Y rather then not at all
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local linkDest=string.gsub(link, latestjvm:gsub("-", "."), currentjvm)
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debugOneLinePrint("attempting to copy "..link.." to "..linkDest)
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if (link == linkDest) then
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debugOneLinePrint("Those are identical files! Nothing to do!")
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else
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local exe2 = "cp".." -ar "..link.." "..linkDest
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dirWithParents(linkDest)
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debugOneLinePrint("executing "..exe2)
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if (not dry) then
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os.execute(exe2)
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end
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end
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else
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debugOneLinePrint("executing "..exe)
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if (not dry) then
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os.execute(exe)
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end
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end
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else
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debugOneLinePrint(SOURCE.." does not exists")
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end
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end
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