==> Creating clean working copy [build]...done
==> Making package: prometheus-git r176.a316d66-2 (Fri Mar 24 19:56:53 EDT 2017)
==> Retrieving sources...
  -> Cloning prometheus git repo...
Cloning into bare repository '/srv/build/builder/work/prometheus-git/prometheus'...
==> Validating source files with sha512sums...
    prometheus ... Skipped
==> Making package: prometheus-git r176.a316d66-2 (Fri Mar 24 19:56:54 EDT 2017)
==> Checking runtime dependencies...
==> Installing missing dependencies...
resolving dependencies...
looking for conflicting packages...

Packages (2) libyaml-0.1.7-1  ruby-2.4.0-1

Total Installed Size:  15.06 MiB

:: Proceed with installation? [Y/n] 
checking keyring...
checking package integrity...
loading package files...
checking for file conflicts...
checking available disk space...
:: Processing package changes...
installing libyaml...
installing ruby...
The default location of gem installs is $HOME/.gem/ruby
Add the following line to your PATH if you plan to install using gem
$(ruby -rubygems -e "puts Gem.user_dir")/bin
If you want to install to the system wide location, you must either:
edit /etc/gemrc or run gem with the --no-user-install flag.
Optional dependencies for ruby
    ruby-docs: Ruby documentation
    tk: for Ruby/TK
==> Checking buildtime dependencies...
==> Installing missing dependencies...
resolving dependencies...
looking for conflicting packages...

Packages (2) perl-error-0.17024-1  git-2.12.1-1

Total Installed Size:  27.36 MiB

:: Proceed with installation? [Y/n] 
checking keyring...
checking package integrity...
loading package files...
checking for file conflicts...
checking available disk space...
:: Processing package changes...
installing perl-error...
installing git...
Optional dependencies for git
    tk: gitk and git gui
    perl-libwww: git svn
    perl-term-readkey: git svn
    perl-mime-tools: git send-email
    perl-net-smtp-ssl: git send-email TLS support
    perl-authen-sasl: git send-email TLS support
    python2: various helper scripts
    subversion: git svn
    cvsps2: git cvsimport
    gnome-keyring: GNOME keyring credential helper
==> Retrieving sources...
==> WARNING: Skipping verification of source file PGP signatures.
==> Validating source files with sha512sums...
    prometheus ... Skipped
==> Extracting sources...
  -> Creating working copy of prometheus git repo...
Cloning into 'prometheus'...
done.
==> Starting pkgver()...
==> Entering fakeroot environment...
==> Starting package()...
==> Tidying install...
  -> Removing libtool files...
  -> Purging unwanted files...
  -> Removing static library files...
  -> Stripping unneeded symbols from binaries and libraries...
  -> Compressing man and info pages...
==> Checking for packaging issue...
==> Creating package "prometheus-git"...
  -> Generating .PKGINFO file...
  -> Generating .BUILDINFO file...
error: invalid option '--noprogressbar'
  -> Generating .MTREE file...
  -> Compressing package...
==> Leaving fakeroot environment.
==> Finished making: prometheus-git r176.a316d66-2 (Fri Mar 24 19:57:18 EDT 2017)
==> Cleaning up...
==> Removing installed dependencies...
checking dependencies...
:: gettext optionally requires git: for autopoint infrastructure updates

Packages (4) git-2.12.1-1  libyaml-0.1.7-1  perl-error-0.17024-1  ruby-2.4.0-1

Total Removed Size:  42.42 MiB

:: Do you want to remove these packages? [Y/n] 
:: Processing package changes...
removing ruby...
removing libyaml...
removing git...
removing perl-error...