# next four lines substituted by autoconf

%define major 1

%define minor 2

%define sub 8

%define extralevel %{nil}

%define release_version %{major}.%{minor}.%{sub}%{extralevel}

%{!?python_sitelib: %define python_sitelib %(%{__python} -c "from distutils.sysconfig import get_python_lib; print get_python_lib()")}

%if 0%{?fedora} > 21

%global use_python3 1

%global use_python2 0

%else

%global use_python3 0

%global use_python2 1

%endif

%if %{use_python3}

%global python_sitelib %{python3_sitelib}

%else

%global python_sitelib %{python_sitelib}

%endif

# mock group id allocate for Fedora

%global mockgid  135

Summary: Builds packages inside chroots

Name: mock

Version: %{release_version}

Release: 1%{?dist}

License: GPLv2+

Source: https://git.fedorahosted.org/cgit/mock.git/snapshot/%{name}-%{version}.tar.xz

URL: http://fedoraproject.org/wiki/Projects/Mock

BuildArch: noarch

%if 0%{?fedora} > 21

Requires: yum >= yum-3.4.3-505

%else

Requires: yum >= 2.4

%endif

Requires: tar

Requires: pigz

Requires: usermode

Requires: yum-utils

Requires: createrepo_c

Requires: pyliblzma

%if 0%{?rhel} != 6

Requires: systemd

%endif

Requires(pre): shadow-utils

Requires(post): coreutils

BuildRequires: autoconf, automake

%if 0%{?fedora} || 0%{?rhel} > 6

BuildRequires: bash-completion

%endif

%if %{use_python3}

Requires: python3

Requires: python3-six

Requires: python3-requests

Requires: rpm-python3

BuildRequires: python3-devel

%else

Requires: python-ctypes

Requires: python-six

Requires: python-requests

Requires: python >= 2.6

BuildRequires: python-devel

%endif

%if 0%{?fedora} > 21

Recommends: dnf

Recommends: dnf-plugins-core

Recommends: btrfs-progs

%endif

%if 0%{?fedora} == 21 || 0%{?fedora} == 20

Requires: dnf

Requires: dnf-plugins-core

Requires: btrfs-progs

%endif

%if 0%{?rhel} >= 0

Requires: btrfs-progs

%endif

%description

Mock takes an SRPM and builds it in a chroot.

%package scm

Summary: Mock SCM integration module

Requires: %{name} = %{version}-%{release}

Requires: cvs

Requires: git

Requires: subversion

Requires: tar

%description scm

Mock SCM integration module.

%if 0%{?rhel} != 6 && %{use_python2}

# lvm plugin requires lvm2-python-libs, kernel >= 3.0 and glibc >= 2.14, which

# are not available on el6

%package lvm

Summary: LVM plugin for mock

Requires: %{name} = %{version}-%{release}

Requires: lvm2

Requires: lvm2-python-libs

Requires: glibc >= 2.14

%description lvm

Mock plugin that enables using LVM as a backend and support creating snapshots

of the buildroot.

%endif

%prep

%setup -q

%if 0%{?rhel} == 6

sed -i "s|^USE_NSPAWN = True|USE_NSPAWN = False|" py/mockbuild/util.py

%endif

%if %{use_python3}

sed -i 's/AM_PATH_PYTHON/AM_PATH_PYTHON([3])/' configure.ac

for file in py/mock.py py/mockchain.py; do

  sed -i 1"s|#!/usr/bin/python |#!/usr/bin/python3 |" $file

done

%endif

%build

autoreconf -vif

%configure

make

sed -i '1,$s/1.2.8/%{version}/' docs/mock.1

sed -i '1,$s/1.2.8/%{version}/' docs/mockchain.1

%install

rm -rf $RPM_BUILD_ROOT

make DESTDIR=$RPM_BUILD_ROOT install

mkdir -p $RPM_BUILD_ROOT/var/lib/mock

mkdir -p $RPM_BUILD_ROOT/var/cache/mock

ln -s consolehelper $RPM_BUILD_ROOT/usr/bin/mock

echo "%defattr(0644, root, mock)" > %{name}.cfgs

find $RPM_BUILD_ROOT%{_sysconfdir}/mock -name "*.cfg" \

    | sed -e "s|^$RPM_BUILD_ROOT|%%config(noreplace) |" >> %{name}.cfgs

# just for %%ghosting purposes

ln -s fedora-rawhide-x86_64.cfg $RPM_BUILD_ROOT%{_sysconfdir}/mock/default.cfg

if [ -d $RPM_BUILD_ROOT%{_datadir}/bash-completion ]; then

    echo %{_datadir}/bash-completion/completions/mock >> %{name}.cfgs

    echo %{_datadir}/bash-completion/completions/mockchain >> %{name}.cfgs

elif [ -d $RPM_BUILD_ROOT%{_sysconfdir}/bash_completion.d ]; then

    echo %{_sysconfdir}/bash_completion.d/mock >> %{name}.cfgs

fi

%if 0%{?rhel} == 6

    # can be removed when yum-utils >= 1.1.31 lands in el6

    echo "config_opts['plugin_conf']['package_state_enable'] = False" >> $RPM_BUILD_ROOT%{_sysconfdir}/mock/site-defaults.cfg

%endif

%if 0%{?fedora} > 21

    echo "config_opts['yum_command'] = '/usr/bin/yum-deprecated'" >> $RPM_BUILD_ROOT%{_sysconfdir}/mock/site-defaults.cfg

%endif

%pre

# check for existence of mock group, create it if not found

getent group mock > /dev/null || groupadd -f -g %mockgid -r mock

exit 0

%post

# fix cache permissions from old installs

chmod 2775 %{_localstatedir}/cache/%{name}

if [ -s /etc/os-release ]; then

    # fedora and rhel7

    if grep -Fq Rawhide /etc/os-release; then

        ver=rawhide

    else

        ver=$(source /etc/os-release && echo $VERSION_ID | cut -d. -f1 | grep -o '[0-9]\+')

    fi

else

    # rhel6 or something obsure, use buildtime version

    ver=%{?rhel}%{?fedora}

fi

mock_arch=$(python -c "import rpmUtils.arch; baseArch = rpmUtils.arch.getBaseArch(); print baseArch")

cfg=%{?fedora:fedora}%{?rhel:epel}-$ver-${mock_arch}.cfg

[ -e %{_sysconfdir}/%{name}/$cfg ] || exit -2

if [ "$(readlink %{_sysconfdir}/%{name}/default.cfg)" != "$cfg" ]; then

  ln -s $cfg %{_sysconfdir}/%{name}/default.cfg 2>/dev/null || ln -s -f $cfg %{_sysconfdir}/%{name}/default.cfg.rpmnew

fi

:

%files -f %{name}.cfgs

%defattr(-, root, root)

# executables

%{_bindir}/mock

%{_bindir}/mockchain

%attr(0755, root, root) %{_sbindir}/mock

# python stuff

%{python_sitelib}/*

%exclude %{python_sitelib}/mockbuild/scm.*

%exclude %{python_sitelib}/mockbuild/plugins/lvm_root.*

# config files

%dir  %{_sysconfdir}/%{name}

%ghost %config(noreplace,missingok) %{_sysconfdir}/%{name}/default.cfg

%config(noreplace) %{_sysconfdir}/%{name}/*.ini

%config(noreplace) %{_sysconfdir}/pam.d/%{name}

%config(noreplace) %{_sysconfdir}/security/console.apps/%{name}

# gpg keys

%dir %{_sysconfdir}/pki/mock

%config(noreplace) %{_sysconfdir}/pki/mock/*

# docs

%{_mandir}/man1/mock.1*

%{_mandir}/man1/mockchain.1*

%doc ChangeLog

# cache & build dirs

%defattr(0775, root, mock, 02775)

%dir %{_localstatedir}/cache/mock

%dir %{_localstatedir}/lib/mock

%files scm

%{python_sitelib}/mockbuild/scm.py*

%if 0%{?rhel} != 6 && %{use_python2}

%files lvm

%{python_sitelib}/mockbuild/plugins/lvm_root.*

%endif

%changelog

* Wed Apr 29 2015 Miroslav Suchý <msuchy@redhat.com> - 1.2.8-1

- LVM plugin is removed on F22+ due RHBZ 1136366

- allow the chroot's location to be configurable [RHBZ#452730]

- send output of --chroot to log [RHBZ#1214178]

- chroot_scan: implement "only_failed" option [RHBZ#1190763]

- add comment why this previous commit was done [RHBZ#1192128]

- use rpm macros instead of cmd option for --nocheck [RHBZ#1192128]

- plugin options can be string if specified on command line [RHBZ#1193487]

- root_cache: do not assume volatile root with tmpfs [RHBZ#1193487]

- use CONFIG instead of CHROOT in help/man for --root option [RHBZ#1197131]

- more clarification on --dnf-cmd/--yum-cmd [RHBZ#1211621]

- scm correct the logic of exclude_vcs [RHBZ#1204240]

- ignore missing files in ccache [RHBZ#1210569]

- install buildsys-macros in el5 chroot [RHBZ#1213482]

- remove forgotten print statement [RHBZ#1202845]

- add a plugin that calls command (from the host) on the produced rpms.

- save/restore os.environ when dropping/restoring Privs [RHBZ#1204395]

- mock-scm pull tarball name from specfile instead of hardcoding [RHBZ#1204935]

- clarify "--yum-cmd" / "--dnf-cmd" options [RHBZ#1211621]

- return the SRPM name from do_buildsrpm (required for SCM builds) [1190450]

- binding DNF cache directory with yum_cache [RHBZ#1176560]

- suggest user to install dnf-plugins-core [RHBZ#1196248]

- ignore btrfs errors on non-btrfs systems [RHBZ#1205564]

- on F21- use hard deps instead of soft [RHBZ#1198769]

- delete btrfs subvolumes on exit [RHBZ#1205564]

- on python3 convert err from bytes to str [RHBZ#1211199]

- on F22+ use yum-deprecated instead of yum [RHBZ#1211978]

- if mountpoint is inside chroot, remove chroot part [RHBZ#1208299]

- chmod directory only if we really created it [RHBZ#1209532]

- port epel-5 configs to Python 3 [RHBZ#1204662]

- use nosync only for package management and chroot init [RHBZ#1184964]

- missing config file should not be fatal [RHBZ#1195749]

- pass variable "name" [RHBZ#1194171]

- correct chroot_scan configuration sample in site-defaults

- install missing chroot_scan plugin

- avoid creating resultdir as root

* Fri Feb 13 2015 Miroslav Suchý <msuchy@redhat.com> - 1.2.7-1

- add Fedora 22 configs

- rawhide configs use DNF

- touch should not truncate file [RHBZ#1188770]

* Mon Feb  2 2015 Clark Williams <williams@redhat.com> - 1.2.6-1

- fix broken build issue

- From Mikhail Campos Guadamuz <Mikhail_Campos-Guadamuz@epam.com>:

  - use default logging.ini if non-default does not exist [RHBZ#1187727]

- From Michael Simacek <msimacek@redhat.com>:

  - Update manpage regarding multiple arguments

  - Take package arguments in update [RHBZ#1187136]

- From Miroslav Suchý <msuchy@redhat.com>:

  - reset LC before calling lvm commands [RHBZ#1185912]

* Fri Jan 23 2015 Clark Williams <williams@redhat.com> - 1.2.5-1

- mounts: do not mount /dev/shm or /dev/pts if internal setup false

- actually package compress_logs plugin

- use relative imports

- touch /etc/os-release after install @buildsys-build [RHBZ#1183454]

- parse /etc/os-release only if it exists and size is non-zero [RHBZ#1183454]

* Fri Jan 16 2015 Miroslav Suchý <msuchy@redhat.com> - 1.2.4-1

- each user have its own ccache cache [RHBZ#1168116]

- man: write example for --chroot option

- sort options in man page

- sort command in man page

- add Fedora 22 GPG keys

- improve --resultdir part of man page [RHBZ#1181554]

- allow the subsitution of resultdir into the yum.conf block [RHBZ#1125376]

- do no print duplicities in bash completion

- Fixed systemd-nspawn machine name collision [RHBZ#1174286]

- do shell expansion on  --new-chroot --chroot [RHBZ#1174317]

- log executing command after nspawn expansion

- make sure that mockchain generate unique repoid for all repos [RHBZ#1179806]

- workaround old python-six in EL7

- Remove checking for chroot existence in --chroot

- Exclude .bash_history and .bashrc from builddir cleanup

- Ignore broken symlinks in chown_home_dir

- create SCM files as non-privileg user [RHBZ#1178576]

- With --no-clean, delete /builddir except build/SOURCES [RHBZ#1173126]

- Man page formatting improvements

- Move the pool size check to later time when pool already exists

- Always use returnOutput in lvm plugin to get possible error output

- put correct version in man page

- Fix unicode characters in logs on Python 2 [RHBZ#1171707]

- Added new option 'postinstall' [RHBZ#1168911]

- Use keepcache=1 in yum.conf [RHBZ#1169126]

- Warn user when LVM thin pool is filled up [RHBZ#1167761]

- add missing max_metadata_age_days do site-defaults.cfg

- add age_check to site-default.cfg

- compress also logs created by package_state plugin

* Thu Dec  4 2014 Miroslav Suchý <msuchy@redhat.com> - 1.2.3-1

- fixed incorrect command construction in PackageManager:build_invocation [RHBZ#1170230]

- completion: correctly expand --install [RHBZ#1168220]

- copyin: when source is directory, then handle corner cases [RHBZ#1169051]

- increase default for tmpfs to 768

- check if key exist [RHBZ#476837]

- Added tmpfs new option 'keep_mounted' [RHBZ#476837]

- add 2 common tmpfs dirs to find_non_nfs_dir()

- Added new option --symlink-dereference used with --buildsrpm [BZ# 1165242]

- accept None as macro value in config [RHBZ#1165778]

- Don't do yum update when --no-clean specified [RHBZ#1165716]

- do not delete /buildir when --no-clean was set [RHBZ#483486]

- bash completation for --copyin and --sources

- bash_completion.d/mock: fix syntax error

- Correct check for --source cmd option, single file can be used [RHBZ#1165213]

- update BUGS part of man page

- add missing options to man page

* Tue Nov 18 2014 Miroslav Suchý <msuchy@redhat.com> - 1.2.2-1

- add missing import [RHBZ#1165061]

* Sat Nov 15 2014 Miroslav Suchý <msuchy@redhat.com> - 1.2.1-1

- allow mockchain to accept path as config

- end yum's installroot path with a slash [RHBZ#1160428]

- add --mount option [RHBZ#1162637]

- add some missing bash completation strings

- run --shell as root with --new-chroot

- Don't fail scrub when there's no pool [RHBZ#1162631]

- Globbing and tilde expansion

- move restoring priviledges to finally [RHBZ#1162720]

- Remove "Buildroot must be already initialized" note

- Add missing --print-root-path to manpage

- Do not print ANSI escape characters into log [RHBZ#1163037]

- in site-defaults.cfg initialize dictionary of plugins [RHBZ#1162595]

- Disable empty names and values in config_opts[macros] [RHBZ#1160765]

- Disable single macros in -D cmd option [RHBZ#1160765]

- rpmbuild is in /usr/bin [RHBZ#1161112]

- man page for --macro-file [RHBZ#1160326]

- Added option [--macro-file] to support external rpm macros file [RHBZ#1160326]

- Don't output installation/build output when redirected

- Better log message for intial buildroot installation

- Be more specific when installing configs

- Install into correct sitelib when using Python 3

- Fix nosync on aarch64

- wrap all remaining getcwd() [RHBZ#1159300]

- do not use rpm in %%post scriptlet [RHBZ#1131279]

- Fix unclear legal host output [RHBZ#1159794]

- allow running from directory, which is deleted [RHBZ#1159300]

- create compress_logs plugin [RHBZ#1100923]

- when default.cfg exists create default.cfg.rpmnew [RHBZ#1085308]

- accept paths to target definition files [RHBZ#1126117]

- set title bar in xterm [RHBZ#1126235]

- pass --enablerepo/--disablerepo to yum in the same order as provided to mock [RHBZ#1154604]

- Fix incorrect printing of binary strings on py3

- Add missing Requires rpm-python3

- Don't print Yum and build output when quiet

- Prevent output being printed twice with --verbose (rhbz#1152971)

- Fix printing non-ascii characters with output redirected (rhbz#1152952)

- replace urlgrabber by python-requests

- use python3 for Fedora22+

- Don't print we're doing rpmbuild -bb, when it may not be true

- 'prep' choice missing in short-circuit option parser

- Don't execute prebuild in short-circuit mode

* Thu Oct  9 2014 Miroslav Suchý <msuchy@redhat.com> - 1.2.0-1

- update configs for secondary architecture (Dan Horák)

- caching of buildroots using LVM (Michael Simacek)

- add support for DNF (Michael Simacek)

- initial porting to python3 (Michael Simacek)

- new config option nosync (Michael Simacek)

- add CentOS extra repository [BZ# 1108402]

- correctly create default.cfg on arm [BZ# 1033786]

- postpone loading of rpm after chroot is set [BZ# 1111147]

- use systemd-nspawn instead of chroot [RHBZ# 1132762]

- in --copyout do not fail on symlinks [BZ# 971474]

- allow to short circuit to prep phase [BZ# 966985]

* Fri Jul 18 2014 Clark Williams <williams@redhat.com> - 1.1.41-1

- fix python 2.7 feature so we can run on rhel6

* Thu Jul 17 2014 Clark Williams <williams@redhat.com> - 1.1.40-1

- from Miroslav Suchý <msuchy@redhat.com>:

  - mock: Revert "revert 7ec6a1e9d202ab56fb31c914dbf7516c045e56ab" [BZ# 1103239]

  - configs: use final Centos 7 path in configs [BZ# 1108402]

  - configs: fix typo in fedora-rawhide-armhfp config [BZ# 1108847]

  - mockchain: use getuid() instead of getgid() [BZ# 1108265]

  - configs: check gpg key of packages from Fedora, Centos, Epel

  - plugins: disable package_state by default on el6

  - make /etc/mtab symlink to /proc/self/mounts [BZ# 1116158]

  - do not list pki files twice

  - deploy etc/pki to buildroot

- from Michael Simacek <msimacek@redhat.com>:

  - mock: do not allow config scripts to regain root priviledges

- from Igor Gnatenko <i.gnatenko.brain@gmail.com>:

  - Add F21 configs

  - Change releasever to 22 for rawhide

* Wed May 21 2014 Clark Williams <williams@redhat.com> - 1.1.39-1

- configs: update epel-7 koji repo to use correct URL

- from Ken Dreyer <ktdryer@ktdryder.com>

  - Use RHEL 7 RC mirrorlist URLs

from Miroslav Suchý <msuchy@redhat.com>

  - add support for subscription-manager (RHSM)

  - expand tabs for better readablity

  - cut of everything after decimal point, if there is some [BZ# 1098477]

  - better code readablity

  - clarify the log messages

  - use metalink instead of mirrorlist in yum config

  - set LC_MESSAGE to C before executing command [BZ# 519258]

  - use ctypes.get_errno() instead of ctypes.c_int.in_dll(_libc, "errno")

  - revert 7ec6a1e9d202ab56fb31c914dbf7516c045e56ab (python 2.4 workarounds)

  - buildroot and %%clean is not needed for el6 and fedoras

  - description should always end with dot

  - remove shebang from mockbuild/mounts.py

  - %%defattr is not needed since rpm 4.4

  - remove el5 conditional

  - use createrepo_c which is much faster

  - whitespace fixes

  - remove unused variables: 'username' and 'hdr'

  - better logging of kernel version [BZ# 1048826]

  - partially revert 9db6edb33cc34a450e762eb5d2bedf9067ebc419 [BZ# 1034805]

  - teach mockchain about ftp [BZ# 1061776]

from Jerry James <loganjerry@gmail.com>

  - fix post scriptlet to deal with rawhide [BZ# 1083689]

* Mon Mar 31 2014 Clark Williams <williams@redhat.com> - 1.1.38-1

- revert commit 34d0b1d815e4 for quoting (breaks fedora-review)

* Thu Mar 27 2014 Clark Williams <williams@redhat.com> - 1.1.37-2

- fix el6 requires for yum-utils

* Mon Mar 24 2014 Clark Williams <williams@redhat.com> - 1.1.37-1

- fix thinko in test script for running configs

- plugins: turn off package_state plugin by default

- fix automake to use 'xz' compression

- additional commits needed by scm commit

- elevate privs when accessing the chroot rpmdb [BZ# 1051474]

- quote --shell args like a shell [BZ# 966144]

- from Tuomo Soini <tis@foobar.fi>

  - Fix for race in directory creation [BZ# 1052045]

- from Peter Jönsson <peter.jonsson@klarna.com>

  - Add support for creating tarballs with scm data still inside

- from Tomas Kopecek <tkopecek@redhat.com>

  - internal_dev_setup option used consistently

- from Dennis Gilmore <dennis@ausil.us>

  - add rawhide aarch64 config

  - remove sparc rawhide configs, she be dead

- from Ville Skyttä <ville.skytta@iki.fi>

  - Use $(mocketcdir) in install-data-hook instead of duplicating its value

  - Use xz tarball to save a bit of space

  - Clean up unused imports

  - Install bash completion to proper dir with bash-completion 2

  - Remove Fedora 18 configs

  - Use install @foo instead of groupinstall foo in chroot_setup_cmd

- from Rodrigo Dias Cruz <rodrigodc+redhatbugzilla@gmail.com>

  -  fix scm problem with specfiles using rpm macros [BZ# 1056271]

- from Tomas Kopecek <tkopecek@redhat.com>

  - avoid undefined variable error in try/finally block [BZ# 1063275]

* Wed Feb  5 2014 Clark Williams <williams@redhat.com> - 1.1.36-1

- configs: first cut at epel-7 configs for x86_64 and ppc64

- Add 'extra_chroot_dirs' config option

- use repoquery --installroot to avoid yum cache corruption [BZ# 1029352 and 985681]

- mockchain: avoid special characters in repoid [BZ# 1034805]

- from Jon Disnard <jdisnard@gmail.com>:

  - implement autoreconf call in build phase of mock rpm [BZ# 926154]

  - fix --copyout by temporary drop and restore of privs [BZ# 1002142]

- from Dennis Gilmore <dennis@ausil.us>:

  - rawhide and f19/f18 is hardware floating point only for arm, drop the unneeded configs

- from Yann Droneaud <yann@droneaud.fr>:

  - pass root environment to repoquery calls for proxy config [BZ# 974499]

- from Miroslav Suchý <msuchy@redhat.com>:

  - add releasever config option to configs [BZ# 1056039]

* Tue Nov  5 2013 Clark Williams <williams@redhat.com> - 1.1.35-1

- modified %%post logic to set default config correctly

* Tue Oct 29 2013 Clark Williams <williams@redhat.com> - 1.1.34-1

- fixed specfile to include mass rebuild changelog entry

- package_state: drop privs when writing available_packages data [BZ# 916685]

- unconditionally update default.cfg on install [BZ# 858822]

- attempt to make mock more EL5 friendly [BZ# 949616]

- do not ignore missing dependencies [BZ# 955478]

- set the group defined in chrootgid [BZ# 953519]

- add the --nocheck option to mock [BZ# 1015790]

- raise privs before deleting rpm db files in chroot [BZ# 973617]

- clean up orphan processes even if chroot not cleaned [BZ# 972868]

- do not remove the chroot builddir if not cleaning the chroot [BZ# 483486]

- use root object environment in package_state plugin [BZ# 921221]

- Pass values of --plugin-option through literal_eval [BZ# 1018359]

- add default mode to mount in tmpfs plugin [BZ# 598257]

- exit mockbuild.util.logOutput() when child process dies [BZ# 885405]

* Wed Aug 21 2013 Clark Williams <williams@redhat.com> - 1.1.33-1

- removed f17 configs

- added f20 configs

- fixed mockchain to use mock config default setup [BZ# 962573]

- remove bogus lockfile dir in _setupDirs() [BZ# 894305]

* Sat Aug 03 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.1.32-2

- Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild

* Thu Apr 18 2013 Clark Williams <williams@redhat.com> - 1.1.32-1

- fixed post scriptlet to use correct keyword to getent

* Fri Apr 12 2013 Clark Williams <williams@redhat.com> - 1.1.31-1

- removed f16 configurations files

- selinux plugin: modify to catch yum-builddep in callback [BZ# 923927]

- fix logging assumption in main mock file [BZ# 912624]

- initial cut at chroot_scan plugin [BZ# 441090]

- updated specfile to use static mock gid 135

- from Marko Myllynen <myllynen@redhat.com>:

  - separate scm module into separate package [BZ# 798367]

  - scm plugin: Handle filenames w/ spaces in SCM/git  [BZ# 915264]

  - scm plugin: if tar supports --exlcude-vcs use it [BZ#  824848]

- from Shad L. Lords <slords@lordsfam.net>:

  - mounts plugin: removed redundant '-t' specified for vfstype [BZ# 910857]

- from Justin Lewis Salmon <jsalmon@cern.ch>:

  - root cache plugin: add the --cache-alternations option [BZ# 905363]