--- a/Admin/components/components.sha1 Wed Jun 30 16:53:33 2021 +0200
+++ b/Admin/components/components.sha1 Wed Jun 30 20:57:38 2021 +0200
@@ -121,6 +121,7 @@
b166b4bd583b6442a5d75eab06f7adbb66919d6d isabelle_fonts-20210319.tar.gz
9467ad54a9ac10a6e7e8db5458d8d2a5516eba96 isabelle_fonts-20210321.tar.gz
1f7a0b9829ecac6552b21e995ad0f0ac168634f3 isabelle_fonts-20210322.tar.gz
+916adccd2f40c55116b68b92ce1eccb24d4dd9a2 isabelle_setup-20210630.tar.gz
0b2206f914336dec4923dd0479d8cee4b904f544 jdk-11+28.tar.gz
e12574d838ed55ef2845acf1152329572ab0cc56 jdk-11.0.10+9.tar.gz
3e05213cad47dbef52804fe329395db9b4e57f39 jdk-11.0.2+9.tar.gz
--- a/Admin/components/main Wed Jun 30 16:53:33 2021 +0200
+++ b/Admin/components/main Wed Jun 30 20:57:38 2021 +0200
@@ -8,6 +8,7 @@
flatlaf-1.2
idea-icons-20210508
isabelle_fonts-20210322
+isabelle_setup-20210630
jdk-15.0.2+7
jedit_build-20210510-1
jfreechart-1.5.1
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Admin/lib/Tools/build_setup Wed Jun 30 20:57:38 2021 +0200
@@ -0,0 +1,83 @@
+#!/usr/bin/env bash
+#
+# Author: Makarius
+#
+# DESCRIPTION: build component for Isabelle/Java setup tool
+
+## sources
+
+declare -a SOURCES=(
+ "Environment.java"
+ "Setup.java"
+)
+
+
+## usage
+
+PRG=$(basename "$0")
+
+function usage()
+{
+ echo
+ echo "Usage: isabelle $PRG [OPTIONS] COMPONENT_DIR"
+ echo
+ echo " Build component for Isabelle/Java setup tool."
+ echo
+ exit 1
+}
+
+function fail()
+{
+ echo "$1" >&2
+ exit 2
+}
+
+
+## process command line
+
+[ "$#" -ge 1 ] && { COMPONENT_DIR="$1"; shift; }
+[ "$#" -ne 0 -o -z "$COMPONENT_DIR" ] && usage
+
+
+
+## main
+
+[ -d "$COMPONENT_DIR" ] && fail "Directory already exists: \"$COMPONENT_DIR\""
+
+
+# build jar
+
+TARGET_DIR="$COMPONENT_DIR/lib"
+mkdir -p "$TARGET_DIR/isabelle/setup"
+
+declare -a ARGS=("-Xlint:unchecked")
+for SRC in "${SOURCES[@]}"
+do
+ ARGS["${#ARGS[@]}"]="$(platform_path "$ISABELLE_HOME/src/Tools/Setup/src/isabelle/setup/$SRC")"
+done
+
+isabelle_jdk javac -d "$TARGET_DIR" "${ARGS[@]}" || \
+ fail "Failed to compile sources"
+
+isabelle_jdk jar -c -f "$(platform_path "$TARGET_DIR/isabelle_setup.jar")" \
+ -e "isabelle.setup.Setup" -C "$TARGET_DIR" isabelle || fail "Failed to produce jar"
+
+rm -rf "$TARGET_DIR/isabelle"
+
+
+# etc/settings
+
+mkdir -p "$COMPONENT_DIR/etc"
+cat > "$COMPONENT_DIR/etc/settings" <<EOF
+# -*- shell-script -*- :mode=shellscript:
+
+ISABELLE_SETUP_JAR="\$COMPONENT/lib/isabelle_setup.jar"
+classpath "\$ISABELLE_SETUP_JAR"
+EOF
+
+
+# README
+
+cat > "$COMPONENT_DIR/README" <<EOF
+Isabelle setup in pure Java, see also \$ISABELLE_HOME/src/Tools/Setup/.
+EOF
--- a/src/Pure/General/file.scala Wed Jun 30 16:53:33 2021 +0200
+++ b/src/Pure/General/file.scala Wed Jun 30 20:57:38 2021 +0200
@@ -29,7 +29,7 @@
def standard_path(path: Path): String = path.expand.implode
def standard_path(platform_path: String): String =
- isabelle.setup.Isabelle_Env.standard_path(Isabelle_System.cygwin_root(), platform_path)
+ isabelle.setup.Environment.standard_path(Isabelle_System.cygwin_root(), platform_path)
def standard_path(file: JFile): String = standard_path(file.getPath)
@@ -46,7 +46,7 @@
/* platform path (Windows or Posix) */
def platform_path(standard_path: String): String =
- isabelle.setup.Isabelle_Env.platform_path(Isabelle_System.cygwin_root(), standard_path)
+ isabelle.setup.Environment.platform_path(Isabelle_System.cygwin_root(), standard_path)
def platform_path(path: Path): String = platform_path(standard_path(path))
def platform_file(path: Path): JFile = new JFile(platform_path(path))
--- a/src/Pure/System/bash.scala Wed Jun 30 16:53:33 2021 +0200
+++ b/src/Pure/System/bash.scala Wed Jun 30 20:57:38 2021 +0200
@@ -59,7 +59,7 @@
}
cmd.add("-c")
cmd.add("kill -" + signal + " -" + group_pid)
- isabelle.setup.Isabelle_Env.exec_process(cmd).ok
+ isabelle.setup.Environment.exec_process(cmd, null, null, false).ok
}
def process(script: String,
@@ -94,10 +94,10 @@
File.write(script_file, winpid_script)
private val proc =
- isabelle.setup.Isabelle_Env.process_builder(
+ isabelle.setup.Environment.process_builder(
JList.of(File.platform_path(Path.variable("ISABELLE_BASH_PROCESS")),
File.standard_path(timing_file), "bash", File.standard_path(script_file)),
- cwd = cwd, env = env, redirect = redirect).start()
+ cwd, env, redirect).start()
// channels
--- a/src/Pure/System/isabelle_env.scala Wed Jun 30 16:53:33 2021 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,308 +0,0 @@
-/* Title: Pure/System/isabelle_env.scala
- Author: Makarius
-
-Fundamental Isabelle system environment: quasi-static module with
-optional init operation.
-*/
-
-package isabelle.setup
-
-
-import java.util.Locale
-import java.util.regex.Pattern
-import java.util.{HashMap, LinkedList, List => JList, Map => JMap}
-import java.io.{File => JFile}
-import java.nio.file.Files
-
-
-object Isabelle_Env
-{
- val is_windows: Boolean = System.getProperty("os.name", "").startsWith("Windows")
-
- def runtime_exception(message: String): Nothing = throw new RuntimeException(message)
-
- def quote(s: String): String = "\"" + s + "\""
-
-
-
- /** bootstrap information **/
-
- def bootstrap_directory(
- preference: String, variable: String, property: String, description: String): String =
- {
- val a = preference // explicit argument
- val b = System.getenv(variable) // e.g. inherited from running isabelle tool
- val c = System.getProperty(property) // e.g. via JVM application boot process
- val dir =
- if (a != null && a.nonEmpty) a
- else if (b != null && b.nonEmpty) b
- else if (c != null && c.nonEmpty) c
- else runtime_exception("Unknown " + description + " directory")
-
- if ((new JFile(dir)).isDirectory) dir
- else runtime_exception("Bad " + description + " directory " + quote(dir))
- }
-
-
-
- /** Support for Cygwin as POSIX emulation on Windows **/
-
- /* system path representations */
-
- def standard_path(cygwin_root: String, platform_path: String): String =
- if (is_windows) {
- val backslashes = platform_path.replace('/', '\\')
- def slashes(s: String): String = s.replace('\\', '/')
-
- val root_pattern = Pattern.compile("(?i)" + Pattern.quote(cygwin_root) + """(?:\\+|\z)(.*)""")
- val root_matcher = root_pattern.matcher(backslashes)
-
- val drive_pattern = Pattern.compile("""([a-zA-Z]):\\*(.*)""")
- val drive_matcher = drive_pattern.matcher(backslashes)
-
- if (root_matcher.matches) {
- val rest = root_matcher.group(1)
- "/" + slashes(rest)
- }
- else if (drive_matcher.matches) {
- val letter = drive_matcher.group(1).toLowerCase(Locale.ROOT)
- val rest = drive_matcher.group(2)
- "/cygdrive/" + letter + (if (rest == "") "" else "/" + slashes(rest))
- }
- else slashes(backslashes)
- }
- else platform_path
-
- def platform_path(cygwin_root: String, standard_path: String): String =
- if (is_windows) {
- val result_path = new StringBuilder
-
- val cygdrive_pattern = Pattern.compile("/cygdrive/([a-zA-Z])($|/.*)")
- val cygdrive_matcher = cygdrive_pattern.matcher(standard_path)
-
- val named_root_pattern = Pattern.compile("//+([^/]*)(.*)")
- val named_root_matcher = named_root_pattern.matcher(standard_path)
-
- val rest =
- if (cygdrive_matcher.matches) {
- val drive = cygdrive_matcher.group(1).toUpperCase(Locale.ROOT)
- val rest = cygdrive_matcher.group(2)
- result_path ++= drive
- result_path ++= ":"
- result_path ++= JFile.separator
- rest
- }
- else if (named_root_matcher.matches) {
- val root = named_root_matcher.group(1)
- val rest = named_root_matcher.group(2)
- result_path ++= JFile.separator
- result_path ++= JFile.separator
- result_path ++= root
- rest
- }
- else {
- if (standard_path.startsWith("/")) result_path ++= cygwin_root
- standard_path
- }
- for (p <- rest.split("/", -1) if p != "") {
- val len = result_path.length
- if (len > 0 && result_path(len - 1) != JFile.separatorChar)
- result_path += JFile.separatorChar
- result_path ++= p
- }
- result_path.toString
- }
- else standard_path
-
-
- /* symlink emulation */
-
- def cygwin_link(content: String, target: JFile): Unit =
- {
- val target_path = target.toPath
- Files.writeString(target_path, "!<symlink>" + content + "\u0000")
- Files.setAttribute(target_path, "dos:system", true)
- }
-
-
- /* init (e.g. after extraction via 7zip) */
-
- def cygwin_init(isabelle_root: String, cygwin_root: String): Unit =
- {
- if (is_windows) {
- def cygwin_exec(cmd: JList[String]): Unit =
- {
- val cwd = new JFile(isabelle_root)
- val env = new HashMap(System.getenv())
- env.put("CYGWIN", "nodosfilewarning")
- val res = exec_process(cmd, cwd = cwd, env = env, redirect = true)
- if (!res.ok) runtime_exception(res.out)
- }
-
- val uninitialized_file = new JFile(cygwin_root, "isabelle\\uninitialized")
- val uninitialized = uninitialized_file.isFile && uninitialized_file.delete
-
- if (uninitialized) {
- val symlinks_path = (new JFile(cygwin_root + "\\isabelle\\symlinks")).toPath
- val symlinks = Files.readAllLines(symlinks_path).toArray(new Array[String](0))
-
- // recover symlinks
- var i = 0
- val m = symlinks.length
- val n = if (m > 0 && symlinks(m - 1).isEmpty) m - 1 else m
- while (i < n) {
- if (i + 1 < n) {
- val target = symlinks(i)
- val content = symlinks(i + 1)
- cygwin_link(content, new JFile(isabelle_root, target))
- i += 2
- }
- else runtime_exception("Unbalanced symlinks list")
- }
-
- cygwin_exec(JList.of(cygwin_root + "\\bin\\dash.exe", "/isabelle/rebaseall"))
- cygwin_exec(JList.of(cygwin_root + "\\bin\\bash.exe", "/isabelle/postinstall"))
- }
- }
- }
-
-
-
- /** raw process **/
-
- /* raw process */
-
- def process_builder(cmd: JList[String],
- cwd: JFile = null,
- env: JMap[String, String] = settings(),
- redirect: Boolean = false): ProcessBuilder =
- {
- val builder = new ProcessBuilder
-
- // fragile on Windows:
- // see https://docs.microsoft.com/en-us/cpp/cpp/main-function-command-line-args?view=msvc-160
- builder.command(cmd)
-
- if (cwd != null) builder.directory(cwd)
- if (env != null) {
- builder.environment.clear()
- builder.environment().putAll(env)
- }
- builder.redirectErrorStream(redirect)
- }
-
- class Exec_Result(val rc: Int, val out: String, val err: String)
- {
- def ok: Boolean = rc == 0
- }
-
- def exec_process(command_line: JList[String],
- cwd: JFile = null,
- env: JMap[String, String] = settings(),
- redirect: Boolean = false): Exec_Result =
- {
- val out_file = Files.createTempFile(null, null)
- val err_file = Files.createTempFile(null, null)
- try {
- val proc =
- {
- val builder = process_builder(command_line, cwd = cwd, env = env, redirect = redirect)
- builder.redirectOutput(out_file.toFile)
- builder.redirectError(err_file.toFile)
- builder.start()
- }
- proc.getOutputStream.close()
- try { proc.waitFor() }
- finally {
- proc.getInputStream.close()
- proc.getErrorStream.close()
- proc.destroy()
- Thread.interrupted()
- }
-
- val rc = proc.exitValue()
- val out = Files.readString(out_file)
- val err = Files.readString(err_file)
- new Exec_Result(rc, out, err)
- }
- finally {
- Files.deleteIfExists(out_file)
- Files.deleteIfExists(err_file)
- }
- }
-
-
-
- /** implicit settings environment **/
-
- @volatile private var _settings: JMap[String, String] = null
-
- def settings(): JMap[String, String] =
- {
- if (_settings == null) init("", "") // unsynchronized check
- _settings
- }
-
- def init(_isabelle_root: String, _cygwin_root: String): Unit = synchronized
- {
- if (_settings == null) {
- val isabelle_root =
- bootstrap_directory(_isabelle_root, "ISABELLE_ROOT", "isabelle.root", "Isabelle root")
-
- val cygwin_root =
- if (is_windows) {
- val root = bootstrap_directory(_cygwin_root, "CYGWIN_ROOT", "cygwin.root", "Cygwin root")
- cygwin_init(isabelle_root, root)
- root
- }
- else ""
-
- val env = new HashMap(System.getenv())
- def env_default(a: String, b: String): Unit = if (b != "") env.putIfAbsent(a, b)
-
- env_default("CYGWIN_ROOT", cygwin_root)
- env_default("TEMP_WINDOWS",
- {
- val temp = if (is_windows) System.getenv("TEMP") else null
- if (temp != null && temp.contains('\\')) temp else ""
- })
- env_default("ISABELLE_JDK_HOME",
- standard_path(cygwin_root, System.getProperty("java.home", "")))
- env_default("HOME", System.getProperty("user.home", ""))
- env_default("ISABELLE_APP", System.getProperty("isabelle.app", ""))
-
- val settings = new HashMap[String, String]
- val settings_file = Files.createTempFile(null, null)
- try {
- val cmd = new LinkedList[String]
- if (is_windows) {
- cmd.add(cygwin_root + "\\bin\\bash")
- cmd.add("-l")
- cmd.add(standard_path(cygwin_root, isabelle_root + "\\bin\\isabelle"))
- } else {
- cmd.add(isabelle_root + "/bin/isabelle")
- }
- cmd.add("getenv")
- cmd.add("-d")
- cmd.add(settings_file.toString)
-
- val res = exec_process(cmd, env = env, redirect = true)
- if (!res.ok) runtime_exception(res.out)
-
- for (s <- Files.readString(settings_file).split("\u0000", -1)) {
- val i = s.indexOf('=')
- if (i > 0) settings.put(s.substring(0, i), s.substring(i + 1))
- else if (i < 0 && s.nonEmpty) settings.put(s, "")
- }
- }
- finally { Files.delete(settings_file) }
-
- if (is_windows) settings.put("CYGWIN_ROOT", cygwin_root)
-
- settings.put("PATH", settings.get("PATH_JVM"))
- settings.remove("PATH_JVM")
-
- _settings = JMap.copyOf(settings)
- }
- }
-}
--- a/src/Pure/System/isabelle_system.scala Wed Jun 30 16:53:33 2021 +0200
+++ b/src/Pure/System/isabelle_system.scala Wed Jun 30 20:57:38 2021 +0200
@@ -18,7 +18,7 @@
{
/* settings */
- def settings(): JMap[String, String] = isabelle.setup.Isabelle_Env.settings()
+ def settings(): JMap[String, String] = isabelle.setup.Environment.settings()
def getenv(name: String, env: JMap[String, String] = settings()): String =
Option(env.get(name)).getOrElse("")
@@ -51,7 +51,7 @@
def init(isabelle_root: String = "", cygwin_root: String = ""): Unit =
{
- isabelle.setup.Isabelle_Env.init(isabelle_root, cygwin_root)
+ isabelle.setup.Environment.init(isabelle_root, cygwin_root)
synchronized {
if (_services.isEmpty) {
val variable = "ISABELLE_SCALA_SERVICES"
@@ -253,7 +253,7 @@
if (force) target.delete
def cygwin_link(): Unit =
- isabelle.setup.Isabelle_Env.cygwin_link(File.standard_path(src), target)
+ isabelle.setup.Environment.cygwin_link(File.standard_path(src), target)
try { Files.createSymbolicLink(target.toPath, src_file.toPath) }
catch {
--- a/src/Pure/System/platform.scala Wed Jun 30 16:53:33 2021 +0200
+++ b/src/Pure/System/platform.scala Wed Jun 30 20:57:38 2021 +0200
@@ -11,7 +11,7 @@
{
/* platform family */
- def is_windows: Boolean = isabelle.setup.Isabelle_Env.is_windows
+ val is_windows: Boolean = isabelle.setup.Environment.is_windows()
val is_linux: Boolean = System.getProperty("os.name", "") == "Linux"
val is_macos: Boolean = System.getProperty("os.name", "") == "Mac OS X"
val is_unix: Boolean = is_linux || is_macos
--- a/src/Pure/build-jars Wed Jun 30 16:53:33 2021 +0200
+++ b/src/Pure/build-jars Wed Jun 30 20:57:38 2021 +0200
@@ -136,7 +136,6 @@
src/Pure/System/executable.scala
src/Pure/System/getopts.scala
src/Pure/System/isabelle_charset.scala
- src/Pure/System/isabelle_env.scala
src/Pure/System/isabelle_fonts.scala
src/Pure/System/isabelle_platform.scala
src/Pure/System/isabelle_process.scala
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Tools/Setup/src/isabelle/setup/Environment.java Wed Jun 30 20:57:38 2021 +0200
@@ -0,0 +1,336 @@
+/* Title: Pure/System/isabelle_env.scala
+ Author: Makarius
+
+Fundamental Isabelle system environment: quasi-static module with
+optional init operation.
+*/
+
+package isabelle.setup;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.function.BiFunction;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+
+public class Environment
+{
+ /** Support for Cygwin as POSIX emulation on Windows **/
+
+ public static Boolean is_windows()
+ {
+ return System.getProperty("os.name", "").startsWith("Windows");
+ }
+
+ public static String quote(String s)
+ {
+ return "\"" + s + "\"";
+ }
+
+
+
+ /* system path representations */
+
+ private static String slashes(String s) { return s.replace('\\', '/'); }
+
+ public static String standard_path(String cygwin_root, String platform_path)
+ {
+ if (is_windows()) {
+ String backslashes = platform_path.replace('/', '\\');
+
+ Pattern root_pattern =
+ Pattern.compile("(?i)" + Pattern.quote(cygwin_root) + "(?:\\\\+|\\z)(.*)");
+ Matcher root_matcher = root_pattern.matcher(backslashes);
+
+ Pattern drive_pattern = Pattern.compile("([a-zA-Z]):\\\\*(.*)");
+ Matcher drive_matcher = drive_pattern.matcher(backslashes);
+
+ if (root_matcher.matches()) {
+ String rest = root_matcher.group(1);
+ return "/" + slashes(rest);
+ }
+ else if (drive_matcher.matches()) {
+ String letter = drive_matcher.group(1).toLowerCase(Locale.ROOT);
+ String rest = drive_matcher.group(2);
+ return "/cygdrive/" + letter + (rest.isEmpty() ? "" : "/" + slashes(rest));
+ }
+ else { return slashes(backslashes); }
+ }
+ else { return platform_path; }
+ }
+
+ public static String platform_path(String cygwin_root, String standard_path)
+ {
+ if (is_windows()) {
+ StringBuilder result_path = new StringBuilder();
+
+ Pattern cygdrive_pattern = Pattern.compile("/cygdrive/([a-zA-Z])($|/.*)");
+ Matcher cygdrive_matcher = cygdrive_pattern.matcher(standard_path);
+
+ Pattern named_root_pattern = Pattern.compile("//+([^/]*)(.*)");
+ Matcher named_root_matcher = named_root_pattern.matcher(standard_path);
+
+ String rest;
+ if (cygdrive_matcher.matches()) {
+ String drive = cygdrive_matcher.group(1).toUpperCase(Locale.ROOT);
+ rest = cygdrive_matcher.group(2);
+ result_path.append(drive);
+ result_path.append(':');
+ result_path.append(File.separatorChar);
+ }
+ else if (named_root_matcher.matches()) {
+ String root = named_root_matcher.group(1);
+ rest = named_root_matcher.group(2);
+ result_path.append(File.separatorChar);
+ result_path.append(File.separatorChar);
+ result_path.append(root);
+ }
+ else {
+ if (standard_path.startsWith("/")) { result_path.append(cygwin_root); }
+ rest = standard_path;
+ }
+
+ for (String p : rest.split("/", -1)) {
+ if (!p.isEmpty()) {
+ int len = result_path.length();
+ if (len > 0 && result_path.charAt(len - 1) != File.separatorChar) {
+ result_path.append(File.separatorChar);
+ }
+ result_path.append(p);
+ }
+ }
+
+ return result_path.toString();
+ }
+ else { return standard_path; }
+ }
+
+
+ /* raw process */
+
+ public static ProcessBuilder process_builder(
+ List<String> cmd, File cwd, Map<String,String> env, boolean redirect)
+ {
+ ProcessBuilder builder = new ProcessBuilder();
+
+ // fragile on Windows:
+ // see https://docs.microsoft.com/en-us/cpp/cpp/main-function-command-line-args?view=msvc-160
+ builder.command(cmd);
+
+ if (cwd != null) builder.directory(cwd);
+ if (env != null) {
+ builder.environment().clear();
+ builder.environment().putAll(env);
+ }
+ builder.redirectErrorStream(redirect);
+
+ return builder;
+ }
+
+ public static class Exec_Result
+ {
+ private final int _rc;
+ private final String _out;
+ private final String _err;
+
+ Exec_Result(int rc, String out, String err)
+ {
+ _rc = rc;
+ _out = out;
+ _err = err;
+ }
+
+ public int rc() { return _rc; }
+ public boolean ok() { return _rc == 0; }
+ public String out() { return _out; }
+ public String err() { return _err; }
+ }
+
+ public static Exec_Result exec_process(
+ List<String> command_line,
+ File cwd,
+ Map<String,String> env,
+ boolean redirect) throws IOException, InterruptedException
+ {
+ Path out_file = Files.createTempFile(null, null);
+ Path err_file = Files.createTempFile(null, null);
+ Exec_Result res;
+ try {
+ ProcessBuilder builder = process_builder(command_line, cwd, env, redirect);
+ builder.redirectOutput(out_file.toFile());
+ builder.redirectError(err_file.toFile());
+
+ Process proc = builder.start();
+ proc.getOutputStream().close();
+ try { proc.waitFor(); }
+ finally {
+ proc.getInputStream().close();
+ proc.getErrorStream().close();
+ proc.destroy();
+ Thread.interrupted();
+ }
+
+ int rc = proc.exitValue();
+ String out = Files.readString(out_file);
+ String err = Files.readString(err_file);
+ res = new Exec_Result(rc, out, err);
+ }
+ finally {
+ Files.deleteIfExists(out_file);
+ Files.deleteIfExists(err_file);
+ }
+ return res;
+ }
+
+
+ /* init (e.g. after extraction via 7zip) */
+
+ private static String bootstrap_directory(
+ String preference, String variable, String property, String description)
+ {
+ String a = preference; // explicit argument
+ String b = System.getenv(variable); // e.g. inherited from running isabelle tool
+ String c = System.getProperty(property); // e.g. via JVM application boot process
+ String dir;
+
+ if (a != null && !a.isEmpty()) { dir = a; }
+ else if (b != null && !b.isEmpty()) { dir = b; }
+ else if (c != null && !c.isEmpty()) { dir = c; }
+ else { throw new RuntimeException("Unknown " + description + " directory"); }
+
+ if ((new File(dir)).isDirectory()) { return dir; }
+ else { throw new RuntimeException("Bad " + description + " directory " + quote(dir)); }
+ }
+
+ private static void cygwin_exec(String isabelle_root, List<String> cmd)
+ throws IOException, InterruptedException
+ {
+ File cwd = new File(isabelle_root);
+ Map<String,String> env = new HashMap<String,String>(System.getenv());
+ env.put("CYGWIN", "nodosfilewarning");
+ Exec_Result res = exec_process(cmd, cwd, env, true);
+ if (!res.ok()) throw new RuntimeException(res.out());
+ }
+
+ public static void cygwin_link(String content, File target) throws IOException
+ {
+ Path target_path = target.toPath();
+ Files.writeString(target_path, "!<symlink>" + content + "\u0000");
+ Files.setAttribute(target_path, "dos:system", true);
+ }
+
+ public static void cygwin_init(String isabelle_root, String cygwin_root)
+ throws IOException, InterruptedException
+ {
+ if (is_windows()) {
+ File uninitialized_file = new File(cygwin_root, "isabelle\\uninitialized");
+ boolean uninitialized = uninitialized_file.isFile() && uninitialized_file.delete();
+
+ if (uninitialized) {
+ Path symlinks_path = (new File(cygwin_root + "\\isabelle\\symlinks")).toPath();
+ String[] symlinks = Files.readAllLines(symlinks_path).toArray(new String[0]);
+
+ // recover symlinks
+ int i = 0;
+ int m = symlinks.length;
+ int n = (m > 0 && symlinks[m - 1].isEmpty()) ? m - 1 : m;
+ while (i < n) {
+ if (i + 1 < n) {
+ String target = symlinks[i];
+ String content = symlinks[i + 1];
+ cygwin_link(content, new File(isabelle_root, target));
+ i += 2;
+ } else { throw new RuntimeException("Unbalanced symlinks list"); }
+ }
+
+ cygwin_exec(isabelle_root,
+ List.of(cygwin_root + "\\bin\\dash.exe", "/isabelle/rebaseall"));
+ cygwin_exec(isabelle_root,
+ List.of(cygwin_root + "\\bin\\bash.exe", "/isabelle/postinstall"));
+ }
+ }
+ }
+
+
+ /* implicit settings environment */
+
+ private static volatile Map<String,String> _settings = null;
+
+ public static Map<String,String> settings()
+ throws IOException, InterruptedException
+ {
+ if (_settings == null) { init("", ""); } // unsynchronized check
+ return _settings;
+ }
+
+ public static synchronized void init(String _isabelle_root, String _cygwin_root)
+ throws IOException, InterruptedException
+ {
+ if (_settings == null) {
+ String isabelle_root =
+ bootstrap_directory(_isabelle_root, "ISABELLE_ROOT", "isabelle.root", "Isabelle root");
+
+ String cygwin_root = "";
+ if (is_windows()) {
+ cygwin_root = bootstrap_directory(_cygwin_root, "CYGWIN_ROOT", "cygwin.root", "Cygwin root");
+ cygwin_init(isabelle_root, cygwin_root);
+ }
+
+ Map<String,String> env = new HashMap<String,String>(System.getenv());
+
+ BiFunction<String,String,Void> env_default =
+ (String a, String b) -> { if (!b.isEmpty()) env.putIfAbsent(a, b); return null; };
+
+ String temp_windows = is_windows() ? System.getenv("TEMP") : null;
+
+ env_default.apply("CYGWIN_ROOT", cygwin_root);
+ env_default.apply("TEMP_WINDOWS",
+ (temp_windows != null && temp_windows.contains("\\")) ? temp_windows : "");
+ env_default.apply("ISABELLE_JDK_HOME",
+ standard_path(cygwin_root, System.getProperty("java.home", "")));
+ env_default.apply("HOME", System.getProperty("user.home", ""));
+ env_default.apply("ISABELLE_APP", System.getProperty("isabelle.app", ""));
+
+ Map<String,String> settings = new HashMap<String,String>();
+ Path settings_file = Files.createTempFile(null, null);
+ try {
+ List<String> cmd = new LinkedList<String>();
+ if (is_windows()) {
+ cmd.add(cygwin_root + "\\bin\\bash");
+ cmd.add("-l");
+ cmd.add(standard_path(cygwin_root, isabelle_root + "\\bin\\isabelle"));
+ } else {
+ cmd.add(isabelle_root + "/bin/isabelle");
+ }
+ cmd.add("getenv");
+ cmd.add("-d");
+ cmd.add(settings_file.toString());
+
+ Exec_Result res = exec_process(cmd, null, env, true);
+ if (!res.ok()) throw new RuntimeException(res.out());
+
+ for (String s : Files.readString(settings_file).split("\u0000", -1)) {
+ int i = s.indexOf('=');
+ if (i > 0) { settings.put(s.substring(0, i), s.substring(i + 1)); }
+ else if (i < 0 && !s.isEmpty()) { settings.put(s, ""); }
+ }
+ }
+ finally { Files.delete(settings_file); }
+
+ if (is_windows()) { settings.put("CYGWIN_ROOT", cygwin_root); }
+
+ settings.put("PATH", settings.get("PATH_JVM"));
+ settings.remove("PATH_JVM");
+
+ _settings = Map.copyOf(settings);
+ }
+ }
+}