Add support for a centos-based distro

Author: Jeff Frontz

bin/gbuild

@@ -102,11 +102,23 @@ EOF" if build_desc["sudo"] and @options[:allow_sudo]
     end
   end
 
-  info "Updating apt-get repository (log in var/install.log)"
-  system! "on-target -u root apt-get update >> var/install.log 2>&1"
+  case build_desc["distro"]
+  when "centos"
+    info "Updating yum repository (log in var/install.log)"
+    system! "on-target -u root yum -y makecache fast >> var/install.log 2>&1"
+  else
+    info "Updating apt-get repository (log in var/install.log)"
+    system! "on-target -u root apt-get update >> var/install.log 2>&1"
+  end
 
   info "Installing additional packages (log in var/install.log)"
-  system! "on-target -u root -e DEBIAN_FRONTEND=noninteractive apt-get --no-install-recommends -y install #{build_desc["packages"].join(" ")} >> var/install.log 2>&1"
+
+  case build_desc["distro"]
+  when "centos"
+    system! "on-target -u root yum -y install #{build_desc["packages"].join(" ")} > var/install.log 2>&1"
+  else
+    system! "on-target -u root -e DEBIAN_FRONTEND=noninteractive apt-get --no-install-recommends -y install #{build_desc["packages"].join(" ")} >> var/install.log 2>&1"
+  end
 
   if build_desc["alternatives"]
     info "Set alternatives (log in var/install.log)"
@@ -117,10 +129,24 @@ EOF" if build_desc["sudo"] and @options[:allow_sudo]
 
   if @options[:upgrade] || system("on-target -u root '[ ! -e /var/cache/gitian/initial-upgrade ]'")
       info "Upgrading system, may take a while (log in var/install.log)"
-      system! "on-target -u root bash < target-bin/upgrade-system.sh >> var/install.log 2>&1"
+      case build_desc["distro"]
+      when "centos"
+        system! "on-target -u root mkdir -p /var/cache/gitian"
+        system! "on-target -u root yum -y update > var/upgrade.log 2>&1"
+        system! "copy-to-target #{@quiet_flag} var/upgrade.log /var/cache/gitian/upgrade.log"
+        system! "on-target -u root touch /var/cache/gitian/initial-upgrade"
+      else
+        system! "on-target -u root bash < target-bin/upgrade-system.sh >> var/install.log 2>&1"
+      end
   end
   info "Creating package manifest"
-  system! "on-target -u root bash < target-bin/grab-packages.sh > var/base-#{suitearch}.manifest"
+
+  case build_desc["distro"]
+  when "centos"
+    system! "on-target -u root yumdb get checksum_data | awk '/checksum_data =/ { print $3,  package; next } { package=$1 }' | sort --key 2 > var/base-#{suitearch}.manifest"
+  else
+    system! "on-target -u root bash < target-bin/grab-packages.sh > var/base-#{suitearch}.manifest"
+  end
 
   info "Creating build script (var/build-script)"
 
@@ -143,7 +169,7 @@ EOF" if build_desc["sudo"] and @options[:allow_sudo]
     build_desc["remotes"].each do |remote|
       dir = sanitize(remote["dir"], remote["dir"])
 
-      author_date = `cd inputs/#{dir} && git log --format=@%at -1 | date +"%F %T" -u -f -`.strip
+      author_date = `cd inputs/#{dir} > /dev/null && git log --format=@%at -1 | date +"%F %T" -u -f -`.strip
       raise "error looking up author date in #{dir}" unless $?.exitstatus == 0
 
       system! "copy-to-target #{@quiet_flag} inputs/#{dir} build/"
@@ -220,11 +246,13 @@ in_sums = []
 build_dir = 'build'
 result_dir = 'result'
 cache_dir = 'cache'
+work_dir = 'var'
 enable_cache = build_desc["enable_cache"]
 
 FileUtils.rm_rf(build_dir)
 FileUtils.mkdir(build_dir)
 FileUtils.mkdir_p(result_dir)
+FileUtils.mkdir_p(work_dir)
 
 package_name = build_desc["name"] or raise "must supply name"
 package_name = sanitize(package_name, "package name")
@@ -290,13 +318,15 @@ build_desc["remotes"].each do |remote|
   end
   system!("cd inputs/#{dir} && git fetch --update-head-ok #{sanitize_path(remote["url"], remote["url"])} +refs/tags/*:refs/tags/* +refs/heads/*:refs/heads/*")
   commit = sanitize(remote["commit"], remote["commit"])
-  commit = `cd inputs/#{dir} && git log --format=%H -1 #{commit}`.strip
+  commit = `cd inputs/#{dir} > /dev/null && git log --format=%H -1 #{commit}`.strip
   raise "error looking up commit for tag #{remote["commit"]}" unless $?.exitstatus == 0
+  info("commit is #{commit}")
   system!("cd inputs/#{dir} && git checkout -q #{commit}")
   system!("cd inputs/#{dir} && git submodule update --init --recursive --force")
   in_sums << "git:#{commit} #{dir}"
 end
 
+
 base_manifests = YAML::Omap.new
 
 suites.each do |suite|
@@ -333,7 +363,7 @@ Dir.glob(File.join(out_dir, '**', '*'), File::FNM_DOTMATCH).sort.each do |file_i
   next if File.directory?(file_in_out)
   file = file_in_out.sub(out_dir + File::SEPARATOR, '')
   file = sanitize_path(file, file_in_out)
-  out_sums[file] = `cd #{out_dir} && sha256sum #{file}`
+  out_sums[file] = `cd #{out_dir} > /dev/null && sha256sum #{file}`
   raise "failed to sum #{file}" unless $? == 0
   puts out_sums[file] unless @options[:quiet]
 end
@@ -343,15 +373,15 @@ if enable_cache
     next if File.directory?(file_in_out)
     file = file_in_out.sub(cache_common_dir + File::SEPARATOR, '')
     file = sanitize_path(file, file_in_out)
-    cache_common_sums[file] = `cd #{cache_common_dir} && sha256sum #{file}`
+    cache_common_sums[file] = `cd #{cache_common_dir} > /dev/null && sha256sum #{file}`
     raise "failed to sum #{file}" unless $? == 0
   end
 
   Dir.glob(File.join(cache_package_dir, '**', '*'), File::FNM_DOTMATCH).sort.each do |file_in_out|
     next if File.directory?(file_in_out)
     file = file_in_out.sub(cache_package_dir + File::SEPARATOR, '')
     file = sanitize_path(file, file_in_out)
-    cache_package_sums[file] = `cd #{cache_package_dir} && sha256sum #{file}`
+    cache_package_sums[file] = `cd #{cache_package_dir} > /dev/null && sha256sum #{file}`
     raise "failed to sum #{file}" unless $? == 0
   end
 end