Revert "Spec versions: allow `git.` references for branches with `/` (#38239)" (#39354)

This reverts commit 3453259c98c7d39655b8495ca2e3677c51284b43.

3 files changed, 3 insertions, 36 deletions

diff --git a/lib/spack/spack/parser.py b/lib/spack/spack/parser.py
index 29d10a6672..3416f2540b 100644
--- a/lib/spack/spack/parser.py
+++ b/lib/spack/spack/parser.py
@@ -76,9 +76,7 @@ IS_WINDOWS = sys.platform == "win32"
 IDENTIFIER = r"([a-zA-Z_0-9][a-zA-Z_0-9\-]*)"
 DOTTED_IDENTIFIER = rf"({IDENTIFIER}(\.{IDENTIFIER})+)"
 GIT_HASH = r"([A-Fa-f0-9]{40})"
-#: Git refs include branch names, and can contain "." and "/"
-GIT_REF = r"([a-zA-Z_0-9][a-zA-Z_0-9./\-]*)"
-GIT_VERSION = rf"((git\.({GIT_REF}))|({GIT_HASH}))"
+GIT_VERSION = rf"((git\.({DOTTED_IDENTIFIER}|{IDENTIFIER}))|({GIT_HASH}))"
 
 NAME = r"[a-zA-Z_0-9][a-zA-Z_0-9\-.]*"
 
@@ -130,7 +128,6 @@ class TokenType(TokenBase):
     DEPENDENCY = r"(\^)"
     # Version
     VERSION_HASH_PAIR = rf"(@({GIT_VERSION})=({VERSION}))"
-    GIT_VERSION = rf"@({GIT_VERSION})"
     VERSION = rf"(@\s*({VERSION_LIST}))"
     # Variants
     PROPAGATED_BOOL_VARIANT = rf"((\+\+|~~|--)\s*{NAME})"
@@ -367,10 +364,8 @@ class SpecNodeParser:
                     compiler_name.strip(), compiler_version
                 )
                 self.has_compiler = True
-            elif (
-                self.ctx.accept(TokenType.VERSION_HASH_PAIR)
-                or self.ctx.accept(TokenType.GIT_VERSION)
-                or self.ctx.accept(TokenType.VERSION)
+            elif self.ctx.accept(TokenType.VERSION) or self.ctx.accept(
+                TokenType.VERSION_HASH_PAIR
             ):
                 self.hash_not_parsed_or_raise(initial_spec, self.ctx.current_token.value)
                 if self.has_version:
diff --git a/lib/spack/spack/test/spec_syntax.py b/lib/spack/spack/test/spec_syntax.py
index 773acd7ce7..4a55752fdd 100644
--- a/lib/spack/spack/test/spec_syntax.py
+++ b/lib/spack/spack/test/spec_syntax.py
@@ -517,14 +517,6 @@ def specfile_for(default_mock_concretization):
             [Token(TokenType.VERSION, value="@:0.4"), Token(TokenType.COMPILER, value="% nvhpc")],
             "@:0.4%nvhpc",
         ),
-        (
-            "zlib@git.foo/bar",
-            [
-                Token(TokenType.UNQUALIFIED_PACKAGE_NAME, "zlib"),
-                Token(TokenType.GIT_VERSION, "@git.foo/bar"),
-            ],
-            "zlib@git.foo/bar",
-        ),
     ],
 )
 def test_parse_single_spec(spec_str, tokens, expected_roundtrip):
diff --git a/lib/spack/spack/test/versions.py b/lib/spack/spack/test/versions.py
index e2c5a91097..7d329336ae 100644
--- a/lib/spack/spack/test/versions.py
+++ b/lib/spack/spack/test/versions.py
@@ -676,26 +676,6 @@ def test_git_ref_comparisons(mock_git_version_info, install_mockery, mock_packag
     assert str(spec_branch.version) == "git.1.x=1.2"
 
 
-@pytest.mark.skipif(sys.platform == "win32", reason="Not supported on Windows (yet)")
-def test_git_branch_with_slash():
-    class MockLookup(object):
-        def get(self, ref):
-            assert ref == "feature/bar"
-            return "1.2", 0
-
-    v = spack.version.from_string("git.feature/bar")
-    assert isinstance(v, GitVersion)
-    v.attach_lookup(MockLookup())
-
-    # Create a version range
-    test_number_version = spack.version.from_string("1.2")
-    v.satisfies(test_number_version)
-
-    serialized = VersionList([v]).to_dict()
-    v_deserialized = VersionList.from_dict(serialized)
-    assert v_deserialized[0].ref == "feature/bar"
-
-
 @pytest.mark.parametrize(
     "string,git",
     [