/* Title: Pure/System/mingw.scala
Author: Makarius
Support for MSYS2/MinGW64 on Windows.
*/
package isabelle
object MinGW {
def env_prefix: String =
Bash.exports(
"PATH=/ucrt64/bin:/usr/local/bin:/usr/bin:/bin" ,
"CONFIG_SITE=/etc/config.site" ,
"MSYSTEM=UCRT64" ) + "source /etc/msystem\n"
val none: MinGW = new MinGW(None)
def apply(path: Path) = new MinGW(Some(path))
}
class MinGW private (val root: Option[Path]) {
override def toString: String =
root match {
case None => "MinGW.none"
case Some(msys_root) => "MinGW(" + msys_root.toString + ")"
}
private def convert_path(str: String, opt: String): Option[String] =
root match {
case Some(msys_root) if Platform.is_windows =>
val command_line =
java.util.List.of(
File.platform_path(msys_root) + "\\usr\\bin\\cygpath" , opt, str)
val res = isabelle.setup.Environment.exec_process(command_line, null , null , false )
if (res.ok) Some(Library.trim_line(res.out))
else error("Error: " + quote(Library.trim_line(res.err)))
case _ => None
}
def standard_path(platform_path: String): String =
convert_path(platform_path, "-u" ) getOrElse File.standard_path(platform_path)
def platform_path(standard_path: String): String =
convert_path(standard_path, "-w" ) getOrElse File.platform_path(standard_path)
def bash_script(script: String, env_prefix: String = MinGW.env_prefix): String =
root match {
case None => script
case Some(msys_root) =>
File.bash_path(msys_root + Path.explode("usr/bin/bash" )) +
" -c " + Bash.string(env_prefix + script)
}
def get_root: Path =
if (!Platform.is_windows) error("Windows platform required" )
else if (root.isEmpty) error("Windows platform requires msys/mingw root specification" )
else root.get
def check(): Unit = {
if (Platform.is_windows) {
get_root
try { require(Isabelle_System.bash(bash_script("uname -s" )).check.out.startsWith("MSYS" )) }
catch { case ERROR(msg) => cat_error("Bad msys/mingw installation " + get_root, msg) }
}
}
}
quality 100%
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