Enable Packit integration in pull requests

.packit.yaml

@@ -0,0 +1,56 @@
+# This file is used by the Packit service.
+# Currently it is used for the gating of pull requests.
+#
+# See the documentation for more information:
+# https://packit.dev/docs/configuration/
+
+# We need a specfile to build the RPM package.
+# But instead of storing it in this repository,
+# we use the one that exists already in src.fedoraproject.org/rpms/golang.
+# In particular, we use the specfile from the branch `eln`.
+# We'll create the temporary folder .packit_rpm to store the content of the
+# Fedora repository.
+specfile_path: .packit_rpm/golang.spec
+
+# We need to tell Packit which files to sync from the upstream repository.
+files_to_sync:
+  - .packit.yaml
+  - ./scripts/packit.sh
+
+srpm_build_deps:
+  - golang
+  - net-tools
+  - openssl-devel
+  - glibc-static
+  - perl-interpreter
+  - procps-ng
+
+# The name of the package in the upstream repository.
+upstream_package_name: golang
+# The name of the package in Fedora.
+downstream_package_name: golang
+# Use a different tag template for the upstream repository.
+#upstream_tag_template: "v{version}"
+
+actions:
+  create-archive:
+    - "bash ./scripts/packit.sh create-archive"
+  post-upstream-clone:
+    # Use the Fedora ELN package.
+    - "git clone https://src.fedoraproject.org/rpms/golang.git .packit_rpm --branch eln"
+  fix-spec-file:
+    # Fix the specfile by running the ./scripts/packit.sh script
+    # We cannot put the content of the script inside the yaml due to limitations of the format
+    - "bash ./scripts/packit.sh"
+
+jobs:
+    # Build the package in Fedora ELN when a pull request is opened.
+    # It can be requested by adding a comment with the text: /packit copr-build
+  - job: copr_build
+    trigger: pull_request
+    targets:
+    - fedora-eln-aarch64
+    - fedora-eln-ppc64le
+    - fedora-eln-s390x
+    - fedora-eln-x86_64
+

scripts/packit.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+# This script execute a set of steps needed by the .packit.yaml file
+
+# Detect the Go version targeted in the PR
+version=$(awk '/github.com\/golang\/go/ {gsub(/[: "go]/, "", $2); print $2}' config/versions.json)
+# Split the version using '.' as the delimiter
+IFS='.' read -ra parts <<< "$version"
+# Extract the first two parts and store in go_api
+go_api="${parts[0]}.${parts[1]}"
+# Extract the third part and store in go_patch
+go_patch="${parts[2]}"
+# Create a high package release number. This is a dirty hack.
+pkg_release="99"
+
+package="go$version-$pkg_release-openssl-fips"
+
+if [ "$1" = "create-archive" ]; then
+  git archive --verbose --output $package.tar.gz --prefix go-$package/ HEAD
+  ls -1t ./go*-openssl-fips.tar.gz | head -n 1
+else
+  # Drop fedora.go file
+  rm -fv .packit_rpm/fedora.go
+  sed -i '/SOURCE2/d' .packit_rpm/golang.spec
+  sed -i '/fedora.go/d' .packit_rpm/golang.spec
+  # Drop all the patches, we don't know if they can be apply to the new code
+  rm -fv .packit_rpm/*.patch
+  sed -ri '/^Patch[0-9]*:.+$/d' .packit_rpm/golang.spec
+
+  # Update the Go version in golang.spec with the value of $go_api and $go_patch
+  sed -i "s/%global go_api .*/%global go_api $go_api/" .packit_rpm/golang.spec
+  sed -i "s/%global go_patch .*/%global go_patch $go_patch/" .packit_rpm/golang.spec
+  sed -i "s/%global pkg_release .*/%global pkg_release $pkg_release/" .packit_rpm/golang.spec
+fi