#
#
#  This macro looks for a dist tag in the exact commit you
#  checked out by cutting it into bits segmented by '.'
#  and matching known values.
#  If nothing is found it will fall back to a default
#
#

# The actual work is done inside of this function
#   set the "DEFAULT" and save it
#   look through our known suffix lists
#########
# suffix list:
#  ae   - Ansible Engine
#  cf   - Cloud Forms
#  dsrv - Directory Server
#  ev   - Enterprise Virtulization
#  op   - Open Shift
#  ost  - Open Stack
#  rhs  - Storage Server
#  rt   - Real Time (MRG)
#  sat  - Satellite Server
#########

%__get_tag_from_git_repo %{expand:%%(DEFAULT="el%{rhel}.centos"                        \
result=${DEFAULT}                                                                      \
for element in $( git describe --tags  --exact-match 2>/dev/null | tr '.' ' ' ); do    \
  if [[ "$element" == "el%{rhel}" ]]; then                                             \
    result=$element                                                                    \
  elif [[ "$element" == "el%{rhel}ae" ]]; then                                         \
    result=$element                                                                    \
  elif [[ "$element" == "el%{rhel}cf" ]]; then                                         \
    result=$element                                                                    \
  elif [[ "$element" == "el%{rhel}dsrv" ]]; then                                       \
    result=$element                                                                    \
  elif [[ "$element" == "el%{rhel}ev" ]]; then                                         \
    result=$element                                                                    \
  elif [[ "$element" == "el%{rhel}op" ]]; then                                         \
    result=$element                                                                    \
  elif [[ "$element" == "el%{rhel}ost" ]]; then                                        \
    result=$element                                                                    \
  elif [[ "$element" == "el%{rhel}rhs" ]]; then                                        \
    result=$element                                                                    \
  elif [[ "$element" == "el%{rhel}rt" ]]; then                                         \
    result=$element                                                                    \
  elif [[ "$element" == "el%{rhel}sat" ]]; then                                        \
    result=$element                                                                    \
  else                                                                                 \
    for minor in $(seq 0 11); do                                                       \
      if [[ "$element" == "el%{rhel}_${minor}" ]]; then                                \
        result=$element                                                                \
      fi                                                                               \
    done                                                                               \
  fi                                                                                   \
done                                                                                   \
echo "### 'git based' dist-tag set to '.${result}' (default:.${DEFAULT})" >&2          \
echo .$result )}

%dist %__get_tag_from_git_repo