./install.sh --only-download now downloads all prerequisites

Author: Damian Rouson

install.sh

@@ -288,19 +288,31 @@ elif [[ ! -z "${arg_D:-${arg_P:-${arg_U:-${arg_V:-${arg_B}}}}}" ||  "${arg_l}" =
   fi
 
 elif [[ "${arg_p:-}" == "opencoarrays" ]]; then
+
+  if [[ "${arg_o}" == "${__flag_present}" ]]; then
+    
+    # Download all prerequisites and exit
+    info "source ${OPENCOARRAYS_SRC_DIR}/prerequisites/install-functions/download-all-prerequisites.sh"
+    source "${OPENCOARRAYS_SRC_DIR}/prerequisites/install-functions/download-all-prerequisites.sh"
+    info "download_all_prerequisites"
+    download_all_prerequisites
+
+  else 
+
+    # Install OpenCoarrays
+    cd prerequisites || exit 1
+    installation_record=install-opencoarrays.log
+    # shellcheck source=./prerequisites/build-functions/set_SUDO_if_needed_to_write_to_directory.sh
+    source "${OPENCOARRAYS_SRC_DIR:-}/prerequisites/build-functions/set_SUDO_if_needed_to_write_to_directory.sh"
+    version="$("${opencoarrays_src_dir}/install.sh" -V opencoarrays)"
+    set_SUDO_if_needed_to_write_to_directory "${install_path}"
 
-  cd prerequisites || exit 1
-  installation_record=install-opencoarrays.log
-  # shellcheck source=./prerequisites/build-functions/set_SUDO_if_needed_to_write_to_directory.sh
-  source "${OPENCOARRAYS_SRC_DIR:-}/prerequisites/build-functions/set_SUDO_if_needed_to_write_to_directory.sh"
-  version="$("${opencoarrays_src_dir}/install.sh" -V opencoarrays)"
-  set_SUDO_if_needed_to_write_to_directory "${install_path}"
-
-  # Using process substitution "> >(...) -" instead of piping to tee via "2>&1 |" ensures that
-  # report_results gets the FC value set in build_opencoarrays
-  # Source: http://stackoverflow.com/questions/8221227/bash-variable-losing-its-value-strange
-  build_opencoarrays > >( tee ../"${installation_record}" ) -
-  report_results 2>&1 | tee -a ../"${installation_record}"
+    # Using process substitution "> >(...) -" instead of piping to tee via "2>&1 |" ensures that
+    # report_results gets the FC value set in build_opencoarrays
+    # Source: http://stackoverflow.com/questions/8221227/bash-variable-losing-its-value-strange
+    build_opencoarrays > >( tee ../"${installation_record}" ) -
+    report_results 2>&1 | tee -a ../"${installation_record}"
+  fi
 
 elif [[ "${arg_p:-}" == "ofp" ]]; then
 
@@ -316,4 +328,3 @@ elif [[ ! -z "${arg_p:-}" ]]; then
 
 fi
 # ____________________________________ End of Main Body ____________________________________________
-

prerequisites/download-all.sh

@@ -0,0 +1,33 @@
+function download_all_prerequisites() 
+{
+  pushd ${OPENCOARRAYS_SRC_DIR}
+
+  download_list=( "m4" "bison" "flex" "mpich" "cmake" )
+
+  for package_to_download in "${download_list[@]}" ; 
+  do
+    ./install.sh --package ${package_to_download} --only-download
+  done
+  
+  if [[ ! -z ${arg_b:-}  ]]; then
+    ./install.sh --package gcc  --only-download --install-branch "${arg_b}"
+    cd prerequisites/downloads/${arg_b:-}
+  else  # Download default version
+    ./install.sh --package gcc  --only-download
+    gcc_version=$(./install.sh -V gcc)
+    cd prerequisites/downloads/
+    tar xf gcc-${gcc_version}.tar.bz2 || emergency "tar didn't work"
+    listing=$(ls -lt)
+    cd gcc-${gcc_version}
+  fi
+
+  source ${OPENCOARRAYS_SRC_DIR}/prerequisites/build-functions/set_or_print_downloader.sh
+  set_or_print_downloader
+  
+  source ${OPENCOARRAYS_SRC_DIR}/prerequisites/build-functions/edit_GCC_download_prereqs_file_if_necessary.sh
+  edit_GCC_download_prereqs_file_if_necessary
+  
+  ./contrib/download_prerequisites
+  
+  popd
+}