pkgs/build-support/setup-hooks/patch-rc-path-hooks/patch-rc-path-bash.sh

   1 patchRcPathBash(){
   2     local FILE_TO_PATCH="$1"
   3     local SOURCETIME_PATH="$2"
   4     local FILE_TO_WORK_ON="$(mktemp "$(basename "$FILE_TO_PATCH").XXXXXX.tmp")"
   5     cat <<EOF >> "$FILE_TO_WORK_ON"
   6 # Lines to add to PATH the source-time utilities for Nixpkgs packaging
   7 if [[ -n "\${NIXPKGS_SOURCETIME_PATH-}" ]]; then
   8     NIXPKGS_SOURCETIME_PATH_OLD="\$NIXPKGS_SOURCETIME_PATH;\${NIXPKGS_SOURCETIME_PATH_OLD-}"
   9 fi
  10 NIXPKGS_SOURCETIME_PATH="$SOURCETIME_PATH"
  11 if [[ -n "\$PATH" ]]; then
  12     PATH="\$NIXPKGS_SOURCETIME_PATH:\$PATH"
  13 else
  14     PATH="\$NIXPKGS_SOURCETIME_PATH"
  15 fi
  16 export PATH
  17 # End of lines to add to PATH source-time utilities for Nixpkgs packaging
  18 EOF
  19     cat "$FILE_TO_PATCH" >> "$FILE_TO_WORK_ON"
  20     cat <<EOF >> "$FILE_TO_WORK_ON"
  21 # Lines to clean up inside PATH the source-time utilities for Nixpkgs packaging
  22 if [[ -n "\${PATH-}" ]]; then
  23     # Remove the inserted section
  24     PATH="\${PATH/\$NIXPKGS_SOURCETIME_PATH}"
  25     # Remove the duplicated colons
  26     PATH="\${PATH//::/:}"
  27     # Remove the prefixing colon
  28     if [[ -n "\$PATH" && "\${PATH:0:1}" == ":" ]]; then
  29         PATH="\${PATH:1}"
  30     fi
  31     # Remove the trailing colon
  32     if [[ -n "\$PATH" && "\${PATH:\${#PATH}-1}" == ":" ]]; then
  33         PATH="\${PATH::}"
  34     fi
  35     export PATH
  36 fi
  37 if [[ -n "\${NIXPKGS_SOURCETIME_PATH_OLD-}" ]]; then
  38     IFS="" read -r -d ";" NIXPKGS_SOURCETIME_PATH <<< "\$NIXPKGS_SOURCETIME_PATH_OLD"
  39     NIXPKGS_SOURCETIME_PATH_OLD="\${NIXPKGS_SOURCETIME_PATH_OLD:\${#NIXPKGS_SOURCETIME_PATH}+1}"
  40 else
  41     unset NIXPKGS_SOURCETIME_PATH
  42 fi
  43 if [[ -z "\${NIXPKGS_SOURCETIME_PATH_OLD-}" ]]; then
  44     unset NIXPKGS_SOURCETIME_PATH_OLD
  45 fi
  46 # End of lines to clean up inside PATH the source-time utilities for Nixpkgs packaging
  47 EOF
  48     cat "$FILE_TO_WORK_ON" > "$FILE_TO_PATCH"
  49     rm "$FILE_TO_WORK_ON"
  50 }