diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..0672635
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/README
+/sudo.sh
diff --git a/README.md b/README.md
deleted file mode 100644
index 24b9ea2..0000000
--- a/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# Package Not Available
-This package is not available on CentOS Stream 10.
-It may be available on another branch.
\ No newline at end of file
diff --git a/dead.package b/dead.package
deleted file mode 100644
index ac72e3e..0000000
--- a/dead.package
+++ /dev/null
@@ -1 +0,0 @@
-gcc-toolset-12 package is retired on branch c10s for CS-2551
\ No newline at end of file
diff --git a/gating.yaml b/gating.yaml
new file mode 100644
index 0000000..6985029
--- /dev/null
+++ b/gating.yaml
@@ -0,0 +1,6 @@
+--- !Policy
+product_versions:
+  - rhel-8
+decision_context: osci_compose_gate
+rules:
+  - !PassingTestCaseRule {test_case_name: osci.brew-build.tier0.functional}
diff --git a/gcc-toolset-12.spec b/gcc-toolset-12.spec
new file mode 100644
index 0000000..adf0d40
--- /dev/null
+++ b/gcc-toolset-12.spec
@@ -0,0 +1,193 @@
+%global __python /usr/bin/python3
+%global scl gcc-toolset-12
+%scl_package %scl
+
+Summary: Package that installs %scl
+Name: %scl_name
+Version: 12.0
+Release: 5%{?dist}
+License: GPLv2+
+Group: Applications/File
+BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
+Source0: README
+Source1: sudo.sh
+
+Requires: %{scl_prefix}runtime
+Requires: %{scl_prefix}gcc %{scl_prefix}gcc-c++ %{scl_prefix}gcc-gfortran
+Requires: %{scl_prefix}binutils
+Requires: %{scl_prefix}gdb
+Requires: %{scl_prefix}dwz
+Requires: %{scl_prefix}annobin-plugin-gcc
+Obsoletes: %{name} < %{version}-%{release}
+Obsoletes: %{scl_prefix}dockerfiles < %{version}-%{release}
+
+BuildRequires: scl-utils-build >= 20120927-11
+BuildRequires: iso-codes
+BuildRequires: help2man
+%if 0%{?rhel} >= 8
+BuildRequires: python3-devel
+%endif
+
+%description
+This is the main package for %scl Software Collection.
+
+%package runtime
+Summary: Package that handles %scl Software Collection.
+Group: Applications/File
+Requires: scl-utils >= 20120927-11
+Obsoletes: %{name}-runtime < %{version}-%{release}
+%if 0%{?rhel} >= 7
+Requires(post): %{_root_sbindir}/semanage %{_root_sbindir}/restorecon
+Requires(postun): %{_root_sbindir}/semanage %{_root_sbindir}/restorecon
+%else
+Requires(post): libselinux policycoreutils-python
+Requires(postun): libselinux policycoreutils-python
+%endif
+
+%description runtime
+Package shipping essential scripts to work with %scl Software Collection.
+
+%package build
+Summary: Package shipping basic build configuration
+Group: Applications/File
+Requires: %{scl_prefix}runtime
+Requires: scl-utils-build >= 20120927-11
+Obsoletes: %{name}-build < %{version}-%{release}
+
+%description build
+Package shipping essential configuration macros to build %scl Software Collection.
+
+%prep
+%setup -c -T
+
+# This section generates README file from a template and creates man page
+# from that file, expanding RPM macros in the template file.
+cat <<'EOF' | tee README
+%{expand:%(cat %{SOURCE0})}
+EOF
+
+%build
+
+# Temporary helper script used by help2man.
+cat <<\EOF | tee h2m_helper
+#!/bin/sh
+if [ "$1" = "--version" ]; then
+  printf '%%s' "%{?scl_name} %{version} Software Collection"
+else
+  cat README
+fi
+EOF
+chmod a+x h2m_helper
+# Generate the man page.
+help2man -N --section 7 ./h2m_helper -o %{?scl_name}.7
+
+# Enable collection script
+# ========================
+cat <<EOF >enable
+# General environment variables
+export PATH=%{_bindir}\${PATH:+:\${PATH}}
+export MANPATH=%{_mandir}\${MANPATH:+:\${MANPATH}}
+export INFOPATH=%{_infodir}\${INFOPATH:+:\${INFOPATH}}
+# ??? We probably don't need this anymore.
+export PCP_DIR=%{_scl_root}
+# bz847911 workaround:
+# we need to evaluate rpm's installed run-time % { _libdir }, not rpmbuild time
+# or else /etc/ld.so.conf.d files?
+rpmlibdir=\$(rpm --eval "%%{_libdir}")
+# bz1017604: On 64-bit hosts, we should include also the 32-bit library path.
+# bz1873882: On 32-bit hosts, we should include also the 64-bit library path.
+# bz2027377: Avoid unbound variables
+if [ "\$rpmlibdir" != "\${rpmlibdir/lib64/}" ]; then
+  rpmlibdir32=":%{_scl_root}\${rpmlibdir/lib64/lib}"
+  rpmlibdir64=
+else
+  rpmlibdir64=":%{_scl_root}\${rpmlibdir/lib/lib64}"
+  rpmlibdir32=
+fi
+# Prepend the usual /opt/.../usr/lib{64,}.
+export LD_LIBRARY_PATH=%{_scl_root}\$rpmlibdir\$rpmlibdir64\$rpmlibdir32\${LD_LIBRARY_PATH:+:\${LD_LIBRARY_PATH}}
+export PKG_CONFIG_PATH=%{_libdir}/pkgconfig\${PKG_CONFIG_PATH:+:\${PKG_CONFIG_PATH}}
+EOF
+
+# Sudo script
+# ===========
+cat <<'EOF' > sudo
+%{expand:%(cat %{SOURCE1})}
+EOF
+
+%install
+(%{scl_install})
+
+# This allows users to build packages using DTS/GTS.
+cat >> %{buildroot}%{_root_sysconfdir}/rpm/macros.%{scl}-enable << EOF
+%%enable_devtoolset12 %%global ___build_pre %%{___build_pre}; source scl_source enable %{scl} || :
+EOF
+
+mkdir -p %{buildroot}%{_scl_root}/etc/alternatives %{buildroot}%{_scl_root}/var/lib/alternatives
+
+install -d -m 755 %{buildroot}%{_scl_scripts}
+install -p -m 755 enable %{buildroot}%{_scl_scripts}/
+
+install -d -m 755 %{buildroot}%{_scl_scripts}
+install -p -m 755 sudo %{buildroot}%{_bindir}/
+
+# Other directories that should be owned by the runtime
+install -d -m 755 %{buildroot}%{_datadir}/appdata
+# Otherwise unowned perl directories
+install -d -m 755 %{buildroot}%{_libdir}/perl5
+install -d -m 755 %{buildroot}%{_libdir}/perl5/vendor_perl
+install -d -m 755 %{buildroot}%{_libdir}/perl5/vendor_perl/auto
+
+# Install generated man page.
+install -d -m 755 %{buildroot}%{_mandir}/man7
+install -p -m 644 %{?scl_name}.7 %{buildroot}%{_mandir}/man7/
+
+%files
+%doc README
+%{_mandir}/man7/%{?scl_name}.*
+
+%files runtime
+%scl_files
+%{_root_sysconfdir}/rpm/macros.%{scl}-enable
+%attr(0644,root,root) %verify(not md5 size mtime) %ghost %config(missingok,noreplace) %{_sysconfdir}/selinux-equiv.created
+%dir %{_scl_root}/etc/alternatives
+%dir %{_datadir}/appdata
+
+%files build
+%{_root_sysconfdir}/rpm/macros.%{scl}-config
+
+%post runtime
+if [ ! -f %{_sysconfdir}/selinux-equiv.created ]; then
+  /usr/sbin/semanage fcontext -a -e / %{_scl_root}
+  restorecon -R %{_scl_root}
+  touch %{_sysconfdir}/selinux-equiv.created
+fi
+
+%preun runtime
+[ $1 = 0 ] && rm -f %{_sysconfdir}/selinux-equiv.created || :
+
+%postun runtime
+if [ $1 = 0 ]; then
+  /usr/sbin/semanage fcontext -d %{_scl_root}
+  [ -d %{_scl_root} ] && restorecon -R %{_scl_root} || :
+fi
+
+%changelog
+* Wed Jun 29 2022 Marek Polacek <polacek@redhat.com> - 12.0-5
+- require -annobin-plugin-gcc (#2102356)
+
+* Mon Jun 13 2022 Marek Polacek <polacek@redhat.com> - 12.0-4
+- NVR bump and rebuild
+
+* Fri May 27 2022 Marek Polacek <polacek@redhat.com> - 12.0-3
+- use rpm/macros.%{scl}-enable for %enable_devtoolset12 and put it in
+  the -runtime subpackage (#2009528)
+
+* Fri May 27 2022 Marek Polacek <polacek@redhat.com> - 12.0-2
+- cut down the required packages, remove -toolchain and -perftools
+
+* Mon May 16 2022 Martin Cermak <mcermak@redhat.com> - 12.0-1
+- NVR bump and rebuild, introduce CI gating setup
+
+* Tue May 10 2022 Marek Polacek <polacek@redhat.com> - 12.0-0
+- new package (#2077277)
diff --git a/sources b/sources
new file mode 100644
index 0000000..422d245
--- /dev/null
+++ b/sources
@@ -0,0 +1,2 @@
+SHA512 (README) = 81f0ee6593eea57c5eae4e27cf559fa7ac3968806ee1449e2959a0586d189070f337696a241100e0722f58465e740d2f0b8901f0749bf8bf1b7b82aa46fd03f1
+SHA512 (sudo.sh) = 1378412b39b31f1f76b9d7b9fce5ea679e764a2fd85804fbc3b9ce1c8b5e9b1694be854b4407d1b5dba229763127c9cc64bc09bdf87b384c93536b97d001520d
diff --git a/tests/gts-smoketest/PURPOSE b/tests/gts-smoketest/PURPOSE
new file mode 100644
index 0000000..bdf2003
--- /dev/null
+++ b/tests/gts-smoketest/PURPOSE
@@ -0,0 +1,3 @@
+Test Name: gts-smoketest
+Author:
+Short Description: Check the metapackage installability
diff --git a/tests/gts-smoketest/runtest.sh b/tests/gts-smoketest/runtest.sh
new file mode 100755
index 0000000..926435f
--- /dev/null
+++ b/tests/gts-smoketest/runtest.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+set -e
+set -x
+
+# This is a metapackage.  It's main purpose is to pull other packages
+# into play via the rpm deps.
+rpm -q gcc-toolset-12
+echo
+echo RESULT: PASS
diff --git a/tests/tests.yml b/tests/tests.yml
new file mode 100644
index 0000000..9dc0e12
--- /dev/null
+++ b/tests/tests.yml
@@ -0,0 +1,10 @@
+---
+- hosts: localhost
+  roles:
+  - role: standard-test-basic
+    tags:
+    - classic
+    tests:
+    - gts-smoketest
+    required_packages:
+    - scl-utils