From 56cdfcaa9038669674d5d88e9fea2745b2f73641 Mon Sep 17 00:00:00 2001
From: Eric Peters <eric@peters.org>
Date: Mon, 23 Sep 2019 10:23:48 -0700
Subject: [PATCH] Add --numeric-version, --script-version, and update --version
 to print both versions

---
 .../src/test/scala/RunnerTest.scala           | 28 +++++++++++++++++--
 src/linux/usr/share/man/man1/sbt.1            |  6 +++-
 src/universal/bin/sbt                         | 16 +++++++++--
 3 files changed, 43 insertions(+), 7 deletions(-)
 mode change 100644 => 100755 integration-test/src/test/scala/RunnerTest.scala

diff --git a/integration-test/src/test/scala/RunnerTest.scala b/integration-test/src/test/scala/RunnerTest.scala
old mode 100644
new mode 100755
index c5c1d4c80..6b94a7e3e
--- a/integration-test/src/test/scala/RunnerTest.scala
+++ b/integration-test/src/test/scala/RunnerTest.scala
@@ -82,14 +82,36 @@ object SbtRunnerTest extends SimpleTestSuite with PowerAssertions {
     ()
   }
 
-  test("sbt -V|-version should print sbtVersion") {
+  // 1.3.0, 1.3.0-M4
+  private val versionRegEx = "\\d(\\.\\d+){2}(-\\w+)?"
+
+  test("sbt -V|-version|--version should print sbtVersion") {
     val out = sbtProcessWithOpts("-version", "", "").!!.trim
-    val expectedVersion = "^sbt version in this project: \\d\\.\\d+\\.\\d+\\S*$"
+    val expectedVersion =
+      s"""|(?m)^sbt version in this project: $versionRegEx
+         |sbt script version: $versionRegEx$$
+         |""".stripMargin.trim.replace("\n", "\\n")
     assert(out.matches(expectedVersion))
 
-    val out2 = sbtProcessWithOpts("-V", "", "").!!.trim
+    val out2 = sbtProcessWithOpts("--version", "", "").!!.trim
     assert(out2.matches(expectedVersion))
+
+    val out3 = sbtProcessWithOpts("-V", "", "").!!.trim
+    assert(out3.matches(expectedVersion))
     ()
   }
 
+  test("sbt --numeric-version should print sbt script version") {
+    val out = sbtProcessWithOpts("--numeric-version", "", "").!!.trim
+    val expectedVersion = "^"+versionRegEx+"$"
+    assert(out.matches(expectedVersion))
+    ()
+  }
+
+  test("sbt --script-version should print sbtVersion") {
+    val out = sbtProcessWithOpts("--numeric-version", "", "").!!.trim
+    val expectedVersion = "^"+versionRegEx+"$"
+    assert(out.matches(expectedVersion))
+    ()
+  }
 }
diff --git a/src/linux/usr/share/man/man1/sbt.1 b/src/linux/usr/share/man/man1/sbt.1
index 62c10bf29..523b3fe56 100644
--- a/src/linux/usr/share/man/man1/sbt.1
+++ b/src/linux/usr/share/man/man1/sbt.1
@@ -17,7 +17,11 @@ Show help options.
 .IP "-v, --verbose"
 turn up the noise
 .IP "-V, --version"
-print the version of mothership sbt
+print sbt version information
+.IP "--numeric-version"
+print the numeric sbt version (sbt sbtVersion)
+.IP "--script-version"
+print the version of sbt script
 .IP "-d, --debug"
 set sbt log level to debug
 .IP --no-colors
diff --git a/src/universal/bin/sbt b/src/universal/bin/sbt
index 4907c64c7..dd50aeea6 100755
--- a/src/universal/bin/sbt
+++ b/src/universal/bin/sbt
@@ -6,7 +6,9 @@ declare -a java_args
 declare -a scalac_args
 declare -a sbt_commands
 declare -a sbt_options
+declare -a print_version
 declare -a print_sbt_version
+declare -a print_sbt_script_version
 declare java_cmd=java
 declare java_version
 declare init_sbt_version=_to_be_replaced
@@ -361,8 +363,12 @@ run() {
   fi
 
   if [[ $print_sbt_version ]]; then
-    # print sbtVersion
+    execRunner "$java_cmd" -jar "$sbt_jar" "sbtVersion" | tail -1 | sed -e 's/\[info\]//g'
+  elif [[ $print_sbt_script_version ]]; then
+    echo "$init_sbt_version"
+  elif [[ $print_version ]]; then
     execRunner "$java_cmd" -jar "$sbt_jar" "sbtVersion" | tail -1 | sed -e 's/\[info\]/sbt version in this project:/g'
+    echo "sbt script version: $init_sbt_version"
   else
     # run sbt
     execRunner "$java_cmd" \
@@ -396,7 +402,9 @@ Usage: `basename "$0"` [options]
 
   -h | --help         print this message
   -v | --verbose      this runner is chattier
-  -V | --version      print the version of mothership sbt
+  -V | --version      print sbt version information
+  --numeric-version   print the numeric sbt version (sbt sbtVersion)
+  --script-version    print the version of sbt script
   -d | --debug        set sbt log level to debug
   --no-colors         disable ANSI color codes
   --color=auto|always|true|false|never
@@ -504,7 +512,9 @@ process_args () {
     case "$1" in
             -h|-help|--help) usage; exit 1 ;;
       -v|-verbose|--verbose) sbt_verbose=1 && shift ;;
-      -V|-version|--version) print_sbt_version=1 && shift ;;
+      -V|-version|--version) print_version=1 && shift ;;
+          --numeric-version) print_sbt_version=1 && shift ;;
+           --script-version) print_sbt_script_version=1 && shift ;;
           -d|-debug|--debug) sbt_debug=1 && addSbt "-debug" && shift ;;
 
                  -ivy|--ivy) require_arg path "$1" "$2" && addJava "-Dsbt.ivy.home=$2" && shift 2 ;;