fix: fix pkgbuild parsing in case if comment mark is followed by token

without whitespaces

In this case, the next line was ignored

tests/ahriman/core/alpm/test_pkgbuild_parser.py

@@ -199,6 +199,52 @@ def test_parse_token_comment() -> None:
     ]
 
 
+def test_read_comment() -> None:
+    """
+    must read comment correctly
+    """
+    io = StringIO("# comment\nnew line")
+    io.seek(2)
+
+    PkgbuildParser(io)._read_comment()
+    assert io.tell() == 10
+
+
+def test_read_comment_skip() -> None:
+    """
+    must skip reading new line if comment ends with new line
+    """
+    io = StringIO("#comment\nnew line")
+    io.seek(7)
+
+    PkgbuildParser(io)._read_comment()
+    assert io.tell() == 9
+
+
+def test_read_last() -> None:
+    """
+    must read last symbol from current position
+    """
+    io = StringIO("mock")
+    io.seek(2)
+    assert PkgbuildParser(io)._read_last() == (1, "o")
+
+
+def test_read_last_starting() -> None:
+    """
+    must raise exception if it reads from starting position
+    """
+    with pytest.raises(PkgbuildParserError):
+        assert PkgbuildParser(StringIO("mock"))._read_last()
+
+
+def test_read_last_from_position() -> None:
+    """
+    must read last symbol from the specified position
+    """
+    assert PkgbuildParser(StringIO("mock"))._read_last(2) == (2, "c")
+
+
 def test_parse(resource_path_root: Path) -> None:
     """
     must parse complex file
@@ -278,4 +324,6 @@ def test_parse(resource_path_root: Path) -> None:
   mv "$pkgdir"/usr/share/fonts/站酷小薇体 "$pkgdir"/usr/share/fonts/zcool-xiaowei-regular
   mv "$pkgdir"/usr/share/licenses/"$pkgname"/LICENSE.站酷小薇体 "$pkgdir"/usr/share/licenses/"$pkgname"/LICENSE.zcool-xiaowei-regular
 }"""),
+            PkgbuildPatch("var", "value"),
+            PkgbuildPatch("array", ["first", "second", "third"]),
         ]

tests/ahriman/core/test_utils.py

@@ -471,6 +471,7 @@ def test_walk(resource_path_root: Path) -> None:
         resource_path_root / "models" / "package_ahriman_pkgbuild",
         resource_path_root / "models" / "package_gcc10_pkgbuild",
         resource_path_root / "models" / "package_jellyfin-ffmpeg6-bin_pkgbuild",
+        resource_path_root / "models" / "package_python-pytest-loop_pkgbuild",
         resource_path_root / "models" / "package_tpacpi-bat-git_pkgbuild",
         resource_path_root / "models" / "package_vim-youcompleteme-git_pkgbuild",
         resource_path_root / "models" / "package_yay_pkgbuild",

tests/ahriman/models/test_pkgbuild.py

@@ -449,3 +449,41 @@ def test_parse_vim_youcompleteme_git(resource_path_root: Path) -> None:
             "9a5bee818a4995bc52e91588059bef42728d046808206bfb93977f4e3109e50c",
         ],
     }
+
+
+def test_parse_python_pytest_loop(resource_path_root: Path) -> None:
+    """
+    must parse real PKGBUILDs correctly (python-pytest-loop)
+    """
+    pkgbuild = Pkgbuild.from_file(resource_path_root / "models" / "package_python-pytest-loop_pkgbuild")
+    values = {key: value.value for key, value in pkgbuild.fields.items() if not value.is_function}
+    assert values == {
+        "pkgbase": "python-pytest-loop",
+        "_pname": "${pkgbase#python-}",
+        "_pyname": "${_pname//-/_}",
+        "pkgname": [
+            "python-${_pname}",
+        ],
+        "pkgver": "1.0.13",
+        "pkgrel": "1",
+        "pkgdesc": "Pytest plugin for looping test execution.",
+        "arch": ["any"],
+        "url": "https://github.com/anogowski/pytest-loop",
+        "license": ["MPL-2.0"],
+        "makedepends": [
+            "python-hatchling",
+            "python-versioningit",
+            "python-wheel",
+            "python-build",
+            "python-installer",
+        ],
+        "checkdepends": [
+            "python-pytest",
+        ],
+        "source": [
+            "https://files.pythonhosted.org/packages/source/${_pyname:0:1}/${_pyname}/${_pyname}-${pkgver}.tar.gz",
+        ],
+        "md5sums": [
+            "98365f49606d5068f92350f1d2569a5f",
+        ],
+    }