Merge pull request #2621 from amatsuda/fix-resolve-version-ruby-prefix

Fix definition lookup for ruby-prefixed names like `ruby-dev`

Author: eregon

bin/ruby-build

@@ -1420,6 +1420,10 @@ resolve_version() {
 
   # Look for an exact match first.
   for DEFINITION_DIR in "${RUBY_BUILD_DEFINITIONS[@]}"; do
+    if [ -f "${DEFINITION_DIR}/$1" ]; then
+      echo "$1"
+      return 0
+    fi
     if [ -f "${DEFINITION_DIR}/${version}" ]; then
       echo "$version"
       return 0

test/definitions.bats

@@ -113,6 +113,16 @@ NUM_DEFINITIONS="$(ls "$BATS_TEST_DIRNAME"/../share/ruby-build | wc -l)"
   assert_success "3.2.1"
 }
 
+@test "resolve definition by exact match for ruby-prefixed name" {
+  export RUBY_BUILD_DEFINITIONS="${TMP}/definitions"
+  mkdir -p "${TMP}/definitions"
+
+  touch "${TMP}/definitions/ruby-dev"
+
+  run bin/ruby-build --resolve "ruby-dev"
+  assert_success "ruby-dev"
+}
+
 @test "resolve definition with ruby prefix" {
   export RUBY_BUILD_DEFINITIONS="${TMP}/definitions"
   mkdir -p "${TMP}/definitions"