Add SVN extension to Git (#20939)

* added package for svn extension to perl

* added svn variant to git recipe

2 files changed, 42 insertions, 0 deletions

diff --git a/var/spack/repos/builtin/packages/git/package.py b/var/spack/repos/builtin/packages/git/package.py
index adbad11161..dbc13e879f 100644
--- a/var/spack/repos/builtin/packages/git/package.py
+++ b/var/spack/repos/builtin/packages/git/package.py
@@ -196,6 +196,8 @@ class Git(AutotoolsPackage):
 
     variant('tcltk', default=False,
             description='Gitk: provide Tcl/Tk in the run environment')
+    variant('svn', default=False,
+            description='Provide SVN Perl dependency in run environment')
 
     depends_on('curl')
     depends_on('expat')
@@ -214,6 +216,7 @@ class Git(AutotoolsPackage):
     depends_on('libtool',  type='build')
     depends_on('m4',       type='build')
     depends_on('tk',       type=('build', 'link'), when='+tcltk')
+    depends_on('perl-alien-svn', type='run', when='+svn')
 
     @classmethod
     def determine_version(cls, exe):
diff --git a/var/spack/repos/builtin/packages/perl-alien-svn/package.py b/var/spack/repos/builtin/packages/perl-alien-svn/package.py
new file mode 100644
index 0000000000..0c4b3b4210
--- /dev/null
+++ b/var/spack/repos/builtin/packages/perl-alien-svn/package.py
@@ -0,0 +1,39 @@
+# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+
+from spack import *
+
+
+class PerlAlienSvn(PerlPackage):
+    """Perl SVN extension."""
+
+    homepage = "http://metacpan.org/source/MSCHWERN/Alien-SVN-v1.8.11.0"
+    url      = "http://cpan.metacpan.org/authors/id/M/MS/MSCHWERN/Alien-SVN-v1.8.11.0.tar.gz"
+
+    version('1.8.11.0', sha256='acf8ebce1cb6958ef24611a453abee32b8e4dfe767563834362891ef3f30fc68')
+    version('1.7.19.0', sha256='80df1eef9ffb7b0fb0c45285eec05d15bcb45c349c441f97131c64b8697dceb0')
+    version('1.7.17.1', sha256='35ae83fda2ef9a5b48012ac8317ec063058d1e9fc5f2719fa141eecedf6baef8')
+    version('1.7.17.0', sha256='f3e11ac89453e91f9c298c43958f8115bbb49cb67bb22a0e92690a8e8447c3d0')
+    version('1.7.3.1',  sha256='e85efca8f9519b2cef81f39e026d227c077c9531c41f44995b31550c3af02366')
+    version('1.7.3.0',  sha256='02abbe17ad7db912001e6f1c5018cec08c3840e0c32700363a79274e144e74e5')
+    version('1.6.12.1', sha256='a89d8eeff61e34aa7b3d35dee3e6752b12dfa5f0f04bf69d796846cf0391f53d')
+
+    depends_on('perl-module-build', type='build')
+    depends_on('apr@1.6.2', type='build')
+    depends_on('apr-util', type='build')
+    depends_on('sqlite', type='build')
+    depends_on('zlib')
+    depends_on('libbsd')
+
+    def setup_build_environment(self, env):
+        # non-interactive build, use defaults
+        env.set('PERL_MM_USE_DEFAULT', '1')
+
+    def setup_run_environment(self, env):
+        # SVN libs are not RPATHed correctly...
+        env.prepend_path('LD_LIBRARY_PATH', join_path(
+            self.prefix, 'lib', 'perl5', 'x86_64-linux-thread-multi',
+            'Alien', 'SVN'))