tool to build Isabelle component for cvc5;

--- a/etc/build.props	Mon Aug 29 16:49:42 2022 +0200
+++ b/etc/build.props	Mon Aug 29 19:14:04 2022 +0200
@@ -11,6 +11,7 @@
   src/HOL/Tools/Mirabelle/mirabelle.scala \
   src/HOL/Tools/Nitpick/kodkod.scala \
   src/Pure/Admin/afp.scala \
+  src/Pure/Admin/build_cvc5.scala \
   src/Pure/Admin/build_csdp.scala \
   src/Pure/Admin/build_cygwin.scala \
   src/Pure/Admin/build_doc.scala \

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Pure/Admin/build_cvc5.scala	Mon Aug 29 19:14:04 2022 +0200
@@ -0,0 +1,138 @@
+/*  Title:      Pure/Admin/build_cvc5scala
+    Author:     Makarius
+
+Build Isabelle component for cvc5. See also:
+
+  - https://cvc5.github.io/
+  - https://github.com/cvc5/cvc5
+*/
+
+package isabelle
+
+
+object Build_CVC5 {
+  /* platform information */
+
+  sealed case class CVC5_Platform(platform_name: String, download_name: String) {
+    def is_windows: Boolean = platform_name.endsWith("-windows")
+  }
+
+  val platforms: List[CVC5_Platform] =
+    List(
+      CVC5_Platform("arm64-darwin", "cvc5-macOS-arm64"),
+      CVC5_Platform("x86_64-darwin", "cvc5-macOS"),
+      CVC5_Platform("x86_64-linux", "cvc5-Linux"),
+      CVC5_Platform("x86_64-windows", "cvc5-Win64.exe"))
+
+
+  /* build cvc5 */
+
+  val default_url = "https://github.com/cvc5/cvc5/releases/download"
+  val default_version = "1.0.2"
+
+  def build_cvc5(
+    base_url: String = default_url,
+    version: String = default_version,
+    target_dir: Path = Path.current,
+    progress: Progress = new Progress
+  ): Unit = {
+    /* component name */
+
+    val component = "cvc5-" + version
+    val component_dir = Isabelle_System.new_directory(target_dir + Path.basic(component))
+    progress.echo("Component " + component_dir)
+
+
+    /* download executables */
+
+    for (platform <- platforms) {
+      val url = base_url + "/cvc5-" + version + "/" + platform.download_name
+
+      val platform_dir = component_dir + Path.explode(platform.platform_name)
+      val platform_exe = platform_dir + Path.explode("cvc5").exe_if(platform.is_windows)
+
+      Isabelle_System.make_directory(platform_dir)
+      Isabelle_System.download_file(url, platform_exe, progress = progress)
+      File.set_executable(platform_exe, true)
+    }
+
+
+    /* settings */
+
+    val etc_dir = Isabelle_System.make_directory(component_dir + Path.basic("etc"))
+    File.write(etc_dir + Path.basic("settings"),
+      """# -*- shell-script -*- :mode=shellscript:
+
+CVC5_HOME="$COMPONENT/${ISABELLE_WINDOWS_PLATFORM64:-${ISABELLE_APPLE_PLATFORM64:-$ISABELLE_PLATFORM64}}"
+CVC5_VERSION=""" + Bash.string(version) + """
+
+CVC5_SOLVER="$CVC5_HOME/cvc5"
+
+if [ -e "$CVC5_HOME" ]
+then
+  CVC5_INSTALLED="yes"
+fi
+""")
+
+
+    /* README */
+
+    File.write(component_dir + Path.basic("README"),
+      """This distribution of cvc5 was assembled from the official downloads
+from """ + base_url + """ for 64bit
+macOS, Linux, Windows. There is native support for macOS ARM64, but Linux
+ARM64 is missing.
+
+The oldest supported version of macOS is 10.14 Mojave.
+
+The downloaded files were renamed and made executable.
+
+
+        Makarius
+        """ + Date.Format.date(Date.now()) + "\n")
+
+
+    /* AUTHORS and COPYING */
+
+    // download "latest" versions as reasonable approximation
+    def raw_download(name: String): Unit =
+      Isabelle_System.download_file("https://raw.githubusercontent.com/cvc5/cvc5/main/" + name,
+        component_dir + Path.explode(name))
+
+    raw_download("AUTHORS")
+    raw_download("COPYING")
+  }
+
+
+  /* Isabelle tool wrapper */
+
+  val isabelle_tool =
+    Isabelle_Tool("build_cvc5", "build component for cvc5", Scala_Project.here,
+      { args =>
+        var target_dir = Path.current
+        var base_url = default_url
+        var version = default_version
+
+        val getopts = Getopts("""
+Usage: isabelle build_cvc5 [OPTIONS]
+
+  Options are:
+    -D DIR       target directory (default ".")
+    -U URL       download URL (default: """" + default_url + """")
+    -V VERSION   version (default: """" + default_version + """")
+
+  Build component for Java Chromium Embedded Framework.
+""",
+          "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_cvc5(base_url = base_url, version = version, target_dir = target_dir,
+          progress = progress)
+      })
+}

--- a/src/Pure/General/path.scala	Mon Aug 29 16:49:42 2022 +0200
+++ b/src/Pure/General/path.scala	Mon Aug 29 19:14:04 2022 +0200
@@ -252,7 +252,8 @@
   }
 
   def exe: Path = ext("exe")
-  def platform_exe: Path = if (Platform.is_windows) exe else this
+  def exe_if(b: Boolean): Path = if (b) exe else this
+  def platform_exe: Path = exe_if(Platform.is_windows)
 
   private val Ext = new Regex("(.*)\\.([^.]*)")
 

--- a/src/Pure/System/isabelle_tool.scala	Mon Aug 29 16:49:42 2022 +0200
+++ b/src/Pure/System/isabelle_tool.scala	Mon Aug 29 19:14:04 2022 +0200
@@ -155,6 +155,7 @@
 
 class Admin_Tools extends Isabelle_Scala_Tools(
   Build_CSDP.isabelle_tool,
+  Build_CVC5.isabelle_tool,
   Build_Cygwin.isabelle_tool,
   Build_Doc.isabelle_tool,
   Build_E.isabelle_tool,