src/Pure/Admin/build_eptcs.scala

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Pure/Admin/build_eptcs.scala	Sun Nov 06 22:17:28 2022 +0100
@@ -0,0 +1,101 @@
+/*  Title:      Pure/Admin/build_eptcs.scala
+    Author:     Makarius
+
+Build Isabelle component for EPTCS style.
+
+See also:
+  - http://style.eptcs.org
+  - https://github.com/EPTCS/style/releases
+*/
+
+package isabelle
+
+
+object Build_EPTCS {
+  /* build eptcs component */
+
+  val default_url = "https://github.com/EPTCS/style/releases/download"
+  val default_version = "1.7.0"
+
+  def build_eptcs(
+    base_url: String = default_url,
+    version: String = default_version,
+    target_dir: Path = Path.current,
+    progress: Progress = new Progress
+  ): Unit = {
+    Isabelle_System.require_command("unzip", test = "-h")
+
+
+    /* component */
+
+    val component = "eptcs-" + version
+    val component_dir = Isabelle_System.new_directory(target_dir + Path.basic(component))
+    progress.echo("Component " + component_dir)
+
+
+    /* download */
+
+    val download_url = base_url + "/v" + version + "/eptcsstyle.zip"
+
+    Isabelle_System.with_tmp_file("download", ext = "zip") { download_file =>
+      Isabelle_System.download_file(download_url, download_file, progress = progress)
+      Isabelle_System.bash("unzip -x " + File.bash_path(download_file),
+        cwd = component_dir.file).check
+    }
+
+
+    /* settings */
+
+    val etc_dir = Isabelle_System.make_directory(component_dir + Path.basic("etc"))
+    File.write(etc_dir + Path.basic("settings"),
+      """# -*- shell-script -*- :mode=shellscript:
+
+ISABELLE_EPTCS_HOME="$COMPONENT"
+""")
+
+
+    /* README */
+
+    File.write(component_dir + Path.basic("README"),
+      """This is the EPTCS style from
+""" + download_url + """
+
+
+    Makarius
+    """ + Date.Format.date(Date.now()) + "\n")
+  }
+
+
+  /* Isabelle tool wrapper */
+
+  val isabelle_tool =
+    Isabelle_Tool("build_eptcs", "build component for EPTCS style",
+      Scala_Project.here,
+      { args =>
+        var target_dir = Path.current
+        var base_url = default_url
+        var version = default_version
+
+        val getopts = Getopts("""
+Usage: isabelle build_eptcs [OPTIONS]
+
+  Options are:
+    -D DIR       target directory (default ".")
+    -U URL       download URL (default: """" + default_url + """")
+    -V VERSION   version (default: """" + default_version + """")
+
+  Build component for EPTCS style.
+""",
+          "D:" -> (arg => target_dir = Path.explode(arg)),
+          "U:" -> (arg => base_url = arg),
+          "V:" -> (arg => version = arg))
+
+        val more_args = getopts(args)
+        if (more_args.nonEmpty) getopts.usage()
+
+        val progress = new Console_Progress()
+
+        build_eptcs(base_url = base_url, version = version, target_dir = target_dir,
+          progress = progress)
+      })
+}