dev-python/setuptools_scm: Bump to 3.1.0

Signed-off-by: Michał Górny <mgorny@gentoo.org>

dev-python/setuptools_scm/Manifest

@@ -2,3 +2,4 @@ DIST setuptools_scm-1.15.6.tar.gz 25779 BLAKE2B 01d6771c24015f072a46ff1429b96413
 DIST setuptools_scm-1.15.7.tar.gz 15426 BLAKE2B 6c23f2bd74f51ec8633a814ce22e63e5afb9953244659833a61e810c9029227e1cc25a067a59cec5666add76863070ae5b7dc2600953a45def886e52378a3399 SHA512 0aa6056c03fe100cdaa7b11c9d2073431bb5c3904a80a994a8263c0ccac81f7a2c0b6c7e6dfd09ad605c5ff0e86981b894b42920cb69d1ef1d43ea08b2ddd4a0
 DIST setuptools_scm-1.16.1.tar.gz 28956 BLAKE2B 6721830e9ef171768afb94e6d6aacb829665658599409880e87c58e1bf2c6366d04a666ff60ed5d689bf376c258eda93367a4c52fe28ec694a3a93ac109db1fb SHA512 fd5017648c4a8af696e8528eab37061776e8495e2de3640f726e5e4347836eca5a13cbe54fc0c2223c3ae80ede1a81a6f3d9c0910a417545b9f9f206e5177a13
 DIST setuptools_scm-2.1.0.tar.gz 32776 BLAKE2B 7a141f3fa826a82931b6c33afd19d3185f98b735451c03651b875051e514eab287b20ee382a9576841b6f1283b9d1bf3dcbd0aabc41d2f1143cf960b856c8492 SHA512 69ce171aa4d3b576883efffb350c59f38bfe8b35bd8e4e8fa1128d9f8a3e6cfaab832633e91fada36126f8e7e2c18663fad621d62c9834be1b5d36c58ae1d1c8
+DIST setuptools_scm-3.1.0.tar.gz 35585 BLAKE2B 7ecbdf325467cb3e5217150c548b99603e1bb851a3bc8c694acf3aeb0da798ec853d13b29ad0537bdf5c1010834576786e0dde3965d61991554a12cf206ba7e0 SHA512 bd84bb02900ddc7de2f02dd7cb62bafdea7040ebdc2506b72d05f2c6a6d16be903321e576f63a04f2aa13d8c75b1834dec7d9ea8444e8330281f8e586a3d6426

dev-python/setuptools_scm/files/setuptools_scm-3.1.0-test-failures.patch

@@ -0,0 +1,105 @@
+diff --git a/src/setuptools_scm/hg.py b/src/setuptools_scm/hg.py
+index 972f493..8fedd68 100644
+--- a/src/setuptools_scm/hg.py
++++ b/src/setuptools_scm/hg.py
+@@ -13,7 +13,7 @@ def _hg_tagdist_normalize_tagcommit(config, tag, dist, node, branch):
+         "(branch(.)"  # look for revisions in this branch only
+         " and tag({tag!r})::."  # after the last tag
+         # ignore commits that only modify .hgtags and nothing else:
+-        " and (merge() or file('re:^(?!\.hgtags).*$'))"
++        " and (merge() or file('re:^(?!\\.hgtags).*$'))"
+         " and not tag({tag!r}))"  # ignore the tagged commit itself
+     ).format(
+         tag=tag
+@@ -70,7 +70,9 @@ def parse(root, config=None):
+ 
+ def get_latest_normalizable_tag(root):
+     # Gets all tags containing a '.' (see #229) from oldest to newest
+-    cmd = ["hg", "log", "-r", "ancestors(.) and tag('re:\.')", "--template", "{tags}\n"]
++    cmd = [
++        "hg", "log", "-r", "ancestors(.) and tag('re:\\.')", "--template", "{tags}\n"
++    ]
+     outlines = do(cmd, root).split()
+     if not outlines:
+         return "null"
+diff --git a/testing/test_functions.py b/testing/test_functions.py
+index 14d8961..c3d78b6 100644
+--- a/testing/test_functions.py
++++ b/testing/test_functions.py
+@@ -8,6 +8,8 @@ from setuptools_scm.version import (
+     format_version,
+     tag_to_version,
+ )
++
++from setuptools_scm.config import Configuration
+ from setuptools_scm.utils import has_command
+ 
+ PY3 = sys.version_info > (2,)
+@@ -33,12 +35,14 @@ def test_next_tag(tag, expected):
+     assert guess_next_version(version) == expected
+ 
+ 
++c = Configuration()
++
+ VERSIONS = {
+-    "exact": meta("1.1", distance=None, dirty=False),
+-    "zerodistance": meta("1.1", distance=0, dirty=False),
+-    "dirty": meta("1.1", distance=None, dirty=True),
+-    "distance": meta("1.1", distance=3, dirty=False),
+-    "distancedirty": meta("1.1", distance=3, dirty=True),
++    "exact": meta("1.1", distance=None, dirty=False, config=c),
++    "zerodistance": meta("1.1", distance=0, dirty=False, config=c),
++    "dirty": meta("1.1", distance=None, dirty=True, config=c),
++    "distance": meta("1.1", distance=3, dirty=False, config=c),
++    "distancedirty": meta("1.1", distance=3, dirty=True, config=c),
+ }
+ 
+ 
+diff --git a/testing/test_version.py b/testing/test_version.py
+index be940ef..a287a0d 100644
+--- a/testing/test_version.py
++++ b/testing/test_version.py
+@@ -3,33 +3,36 @@ from setuptools_scm.config import Configuration
+ from setuptools_scm.version import meta, simplified_semver_version, tags_to_versions
+ 
+ 
++c = Configuration()
++
++
+ @pytest.mark.parametrize(
+     "version, expected_next",
+     [
+-        pytest.param(meta("1.0.0"), "1.0.0", id="exact"),
+-        pytest.param(meta("1.0"), "1.0.0", id="short_tag"),
++        pytest.param(meta("1.0.0", config=c), "1.0.0", id="exact"),
++        pytest.param(meta("1.0", config=c), "1.0.0", id="short_tag"),
+         pytest.param(
+-            meta("1.0.0", distance=2, branch="default"),
++            meta("1.0.0", distance=2, branch="default", config=c),
+             "1.0.1.dev2",
+             id="normal_branch",
+         ),
+         pytest.param(
+-            meta("1.0", distance=2, branch="default"),
++            meta("1.0", distance=2, branch="default", config=c),
+             "1.0.1.dev2",
+             id="normal_branch_short_tag",
+         ),
+         pytest.param(
+-            meta("1.0.0", distance=2, branch="feature"),
++            meta("1.0.0", distance=2, branch="feature", config=c),
+             "1.1.0.dev2",
+             id="feature_branch",
+         ),
+         pytest.param(
+-            meta("1.0", distance=2, branch="feature"),
++            meta("1.0", distance=2, branch="feature", config=c),
+             "1.1.0.dev2",
+             id="feature_branch_short_tag",
+         ),
+         pytest.param(
+-            meta("1.0.0", distance=2, branch="features/test"),
++            meta("1.0.0", distance=2, branch="features/test", config=c),
+             "1.1.0.dev2",
+             id="feature_in_branch",
+         ),

dev-python/setuptools_scm/setuptools_scm-3.1.0.ebuild

@@ -0,0 +1,43 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+PYTHON_COMPAT=( python2_7 python3_{4,5,6,7} pypy pypy3 )
+
+inherit distutils-r1
+
+DESCRIPTION="package to manage versions by scm tags via setuptools"
+HOMEPAGE="https://github.com/pypa/setuptools_scm https://pypi.org/project/setuptools_scm/"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	dev-python/setuptools[${PYTHON_USEDEP}]
+	test? (
+		dev-python/pytest[${PYTHON_USEDEP}]
+		dev-vcs/git
+		dev-vcs/mercurial )"
+
+python_prepare_all() {
+	local PATCHES=(
+		"${FILESDIR}"/setuptools_scm-3.1.0-test-failures.patch
+	)
+
+	# network access
+	sed -i -e 's:test_pip_download:_&:' testing/test_regressions.py || die
+	# all fetch specific setuptools versions
+	rm testing/test_setuptools_support.py || die
+
+	distutils-r1_python_prepare_all
+}
+
+python_test() {
+	distutils_install_for_testing
+	py.test -v -v -x || die "Tests fail with ${EPYTHON}"
+}