read last line, split-off with-compiler classpath

Author: bishabosha

dist/bin/common

@@ -10,22 +10,30 @@ load_classpath () {
   command="$1"
   psep_pattern="$2"
   __CLASS_PATH=""
-  while IFS= read -r line; do
+  while IFS= read -r line || [ -n "$line" ]; do
+    # jna-5 only appropriate for some combinations
     if ! [[ ( -n ${conemu-} || -n ${msys-}) && "$line" == "*jna-5*" ]]; then
-      # jna-5 only appropriate for some combinations
-      __CLASS_PATH+="$PROG_HOME/maven2/$line$psep_pattern"
+      if [ -n "$__CLASS_PATH" ]; then
+        __CLASS_PATH+="$psep_pattern"
+      fi
+      __CLASS_PATH+="$PROG_HOME/maven2/$line"
     fi
   done < "$PROG_HOME/etc/$command.classpath"
   echo "$__CLASS_PATH"
 }
 
 compilerJavaClasspathArgs () {
   toolchain="$(load_classpath "scala" "$PSEP")"
+  toolchain_extra="$(load_classpath "with_compiler" "$PSEP")"
+
+  if [ -n "$toolchain_extra" ]; then
+    toolchain+="$PSEP$toolchain_extra"
+  fi
 
   if [ -n "${jvm_cp_args-}" ]; then
     jvm_cp_args="$toolchain$jvm_cp_args"
   else
-    jvm_cp_args="$toolchain$PSEP"
+    jvm_cp_args="$toolchain"
   fi
 }
 

dist/bin/scalac.bat

@@ -89,9 +89,15 @@ goto :eof
 @rem output parameter: _JVM_CP_ARGS
 :compilerJavaClasspathArgs
 
-call :loadClasspathFromFile
+call :loadClasspathFromFile "scala"
 
-set "__TOOLCHAIN=%_CLASS_PATH%"
+set "__TOOLCHAIN=%_CLASS_PATH_RESULT%"
+
+call :loadClasspathFromFile "with_compiler"
+
+if defined _CLASS_PATH_RESULT (
+    set "__TOOLCHAIN=%__TOOLCHAIN%%_PSEP%%_CLASS_PATH_RESULT%"
+)
 
 if defined _SCALA_CPATH (
     set "_JVM_CP_ARGS=%__TOOLCHAIN%%_SCALA_CPATH%"
@@ -101,16 +107,18 @@ if defined _SCALA_CPATH (
 goto :eof
 
 @REM concatentate every line in "%_ETC_DIR%\scala.classpath" with _PSEP
+@REM arg 1 - file to read
 :loadClasspathFromFile
-set _CLASS_PATH=
-if exist "%_ETC_DIR%\scala.classpath" (
-    for /f "usebackq delims=" %%i in ("%_ETC_DIR%\scala.classpath") do (
+set _ARG_FILE=%1
+set _CLASS_PATH_RESULT=
+if exist "%_ETC_DIR%\%_ARG_FILE%.classpath" (
+    for /f "usebackq delims=" %%i in ("%_ETC_DIR%\%_ARG_FILE%.classpath") do (
         set "_LIB=%_PROG_HOME%\maven2\%%i"
         set "_LIB=!_LIB:/=\!"
-        if not defined _CLASS_PATH (
-            set "_CLASS_PATH=!_LIB!"
+        if not defined _CLASS_PATH_RESULT (
+            set "_CLASS_PATH_RESULT=!_LIB!"
         ) else (
-            set "_CLASS_PATH=!_CLASS_PATH!%_PSEP%!_LIB!"
+            set "_CLASS_PATH_RESULT=!_CLASS_PATH_RESULT!%_PSEP%!_LIB!"
         )
     )
 )

project/Build.scala

@@ -2129,7 +2129,9 @@ object Build {
     packResourceDir += (republishRepo.value / "maven2" -> "maven2"),
     packResourceDir += (republishRepo.value / "etc" -> "etc"),
     republishCommandLibs +=
-      ("scala" -> List("scala3-interfaces", "scala3-compiler", "scala3-library", "tasty-core", "scala3-staging", "scala3-tasty-inspector")),
+      ("scala" -> List("scala3-interfaces", "scala3-compiler", "scala3-library", "tasty-core")),
+    republishCommandLibs +=
+      ("with_compiler" -> List("scala3-staging", "scala3-tasty-inspector", "^!scala3-interfaces", "^!scala3-compiler", "^!scala3-library", "^!tasty-core")),
     republishCommandLibs +=
       ("scaladoc" -> List("scala3-interfaces", "scala3-compiler", "scala3-library", "tasty-core", "scala3-tasty-inspector", "scaladoc")),
     Compile / pack := republishPack.value,

project/RepublishPlugin.scala

@@ -215,7 +215,13 @@ object RepublishPlugin extends AutoPlugin {
     if (commandLibs.nonEmpty) {
       IO.createDirectory(republishDir / "etc")
       for ((command, libs) <- commandLibs) {
-        val entries = libs.map(fuzzyFind(classpaths, _)).reduce(_ ++ _).distinct
+        val (negated, actual) = libs.partition(_.startsWith("^!"))
+        val subtractions = negated.map(_.stripPrefix("^!"))
+
+        def compose(libs: List[String]): List[String] =
+          libs.map(fuzzyFind(classpaths, _)).reduceOption(_ ++ _).map(_.distinct).getOrElse(Nil)
+
+        val entries = compose(actual).diff(compose(subtractions))
         IO.write(republishDir / "etc" / s"$command.classpath", entries.mkString("\n"))
       }
     }