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

   1 patchRcPathCsh(){
   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 >> "$FILE_TO_WORK_ON"
   6 # Lines to add to PATH the source-time utilities for Nixpkgs packaging
   7 if (\$?NIXPKGS_SOURCETIME_PATH) then
   8     if ("\$NIXPKGS_SOURCETIME_PATH" != "") then
   9         if (\$?NIXPKGS_SOURCETIME_PATH_OLD) then
  10             if ("\$NIXPKGS_SOURCETIME_PATH_OLD" != "")
  11                 set NIXPKGS_SOURCETIME_PATH_OLD = (\$NIXPKGS_SOURCETIME_PATH \$NIXPKGS_SOURCETIME_PATH_OLD)
  12             else
  13                 set NIXPKGS_SOURCETIME_PATH_OLD = \$NIXPKGS_SOURCETIME_PATH
  14             endif
  15         else
  16             set NIXPKGS_SOURCETIME_PATH_OLD = \$NIXPKGS_SOURCETIME_PATH
  17         endif
  18     endif
  19 endif
  20 set NIXPKGS_SOURCETIME_PATH = "$SOURCETIME_PATH"
  21 if (! \$?PATH) then
  22     setenv PATH ""
  23 endif
  24 if ("\$PATH" != "") then
  25     setenv PATH "\${NIXPKGS_SOURCETIME_PATH}:\$PATH"
  26 else
  27     setenv PATH "\$NIXPKGS_SOURCETIME_PATH"
  28 endif
  29 # End of lines to add to PATH source-time utilities for Nixpkgs packaging
  30 EOF
  31     cat "$FILE_TO_PATCH" >> "$FILE_TO_WORK_ON"
  32     cat <<EOF >> "$FILE_TO_WORK_ON"
  33 # Lines to clean up inside PATH the source-time utilities for Nixpkgs packaging
  34 if (\$?PATH) then
  35     if ("\$PATH" != "") then
  36         # Remove the inserted section, the duplicated colons, and the leading and trailing colon
  37         setenv PATH \`echo "\$PATH" | @sed@ "s#\${NIXPKGS_SOURCETIME_PATH}##" | @sed@ "s#::#:#g" | @sed@ "s#^:##" | @sed@ 's#:\$##'\`
  38     endif
  39 endif
  40 if (\$?NIXPKGS_SOURCETIME_PATH_OLD) then
  41     if ("\$NIXPKGS_SOURCETIME_PATH_OLD" != "") then
  42         set NIXPKGS_SOURCETIME_PATH = \$NIXPKGS_SOURCETIME_PATH_OLD[1]
  43         set NIXPKGS_SOURCETIME_PATH_OLD = \$NIXPKGS_SOURCETIME_PATH_OLD[2-]
  44     else
  45         unset NIXPKGS_SOURCETIME_PATH
  46     endif
  47     if (NIXPKGS_SOURCETIME_PATH_OLD == "") then
  48         unset NIXPKGS_SOURCETIME_PATH_OLD
  49     endif
  50 else
  51     unset NIXPKGS_SOURCETIME_PATH
  52 endif
  53 # End of lines to clean up inside PATH the source-time utilities for Nixpkgs packaging
  54 EOF
  55     cat "$FILE_TO_WORK_ON" > "$FILE_TO_PATCH"
  56     rm "$FILE_TO_WORK_ON"
  57 }