pkgs/build-support/fetchmtn/builder.sh

   1 if [ -e "$NIX_ATTRS_SH_FILE" ]; then . "$NIX_ATTRS_SH_FILE"; elif [ -f .attrs.sh ]; then . .attrs.sh; fi
   2 source $stdenv/setup
   3
   4 set -x
   5
   6 if ! [ -f "$cacheDB" ]; then
   7     echo "Creating cache DB $cacheDB"
   8     mtn --db "$cacheDB" db init
   9 fi
  10
  11 echo "getting revision $selector";
  12
  13 done=;
  14 for source in $dbs; do
  15     if mtn pull --db "$cacheDB" "$source" "${branch}"; then
  16         revision="$(mtn --db "$cacheDB" au toposort $(mtn --db "$cacheDB" au select "$selector") | tail -1)";
  17         if [ -n "$revision" ]; then
  18             if mtn --db "$cacheDB" au get_revision "$revision"; then
  19                 echo "found revision $revision"
  20                 done=1;
  21             else
  22                 echo "revision $revision does not exist";
  23             fi
  24         else
  25             echo "selector $selector does not match any revision";
  26         fi
  27     else
  28         echo "pulling branch $branch wasn't successful";
  29     fi;
  30     if test -n "$done"; then
  31         break;
  32     fi;
  33 done;
  34
  35 echo "checking out the revision $revision";
  36
  37 if test -n "$done"; then
  38     mtn checkout --db "$cacheDB" -r "$revision" "$out" -b "${branch}"
  39 else
  40     echo "Needed revision still not found. Exiting";
  41     exit 1;
  42 fi;
  43
  44 echo "clearing _MTN in the output"
  45
  46 rm -rf "$out/_MTN"