update-config

   1 #! /bin/sh
   2 set -e
   3
   4 CONFIG="$1"
   5 if [ -z "$CONFIG" ]; then
   6         echo "Usage: $0 CONFIG" >&2
   7         exit 1
   8 fi
   9
  10 NEWLINE='
  11 '
  12
  13 IFS_SAVE="$IFS"
  14 IFS="$NEWLINE"
  15 for line in $(baz cat-config "$1" 2>/dev/null || cat "$1"); do
  16         IFS="$IFS_SAVE"
  17         set -- $line
  18         DIR="$1"
  19         VERSION="$2"
  20
  21         echo "Updating $DIR ($VERSION) ..."
  22
  23         case $VERSION in
  24                 bzr+ssh://*|http://*|sftp://*)
  25                         if [ -d "$DIR" ]; then
  26                                 if [ ! -d "$DIR/.bzr" ]; then
  27                                         echo "$DIR is not a bzr checkout; cannot update" >&2
  28                                         continue
  29                                 elif [ -f "$DIR/.bzr/branch/bound" ]; then
  30                                         bzr update "$DIR"
  31                                 else
  32                                         (cd "$DIR" && bzr pull "$VERSION")
  33                                 fi
  34                         else
  35                                 case $VERSION in
  36                                         bzr+ssh://*|sftp://*)
  37                                                 bzr checkout "$VERSION" "$DIR"
  38                                                 ;;
  39                                         *)
  40                                                 bzr get "$VERSION" "$DIR"
  41                                                 ;;
  42                                 esac
  43                         fi
  44                         ;;
  45                 git://*|git+*://*)
  46                         if [ -d "$DIR" ]; then
  47                                 if [ ! -d "$DIR/.git" ]; then
  48                                         echo "$DIR is not a git checkout; cannot update" >&2
  49                                         continue
  50                                 fi
  51                                 (cd "$DIR" && git pull "$VERSION")
  52                         else
  53                                 git clone "$VERSION" "$DIR"
  54                         fi
  55                         ;;
  56                 *)
  57                         if [ -d "$DIR" ]; then
  58                                 if [ ! -d "$DIR/{arch}" ]; then
  59                                         echo "$DIR is not an arch checkout; cannot update" >&2
  60                                         continue
  61                                 fi
  62                                 OLDVERSION="$(baz tree-version -d "$DIR")"
  63                                 if [ "$VERSION" != "$OLDVERSION" ]; then
  64                                         baz switch -d "$DIR" "$VERSION"
  65                                 else
  66                                         baz update -d "$DIR" "$VERSION"
  67                                 fi
  68                         else
  69                                 baz get "$VERSION" "$DIR"
  70                         fi
  71                         ;;
  72         esac
  73 done