hg-reset.sh

   1 #!/bin/sh
   2
   3 # Copyright (c) 2007, 2008 Rocco Rutte <pdmef@gmx.net> and others.
   4 # License: MIT <http://www.opensource.org/licenses/mit-license.php>
   5
   6 ROOT="`dirname $0`"
   7 REPO=""
   8 PFX="hg2git"
   9 SFX_MARKS="marks"
  10 SFX_MAPPING="mapping"
  11 SFX_HEADS="heads"
  12 SFX_STATE="state"
  13 QUIET=""
  14 PYTHON=${PYTHON:-python}
  15
  16 USAGE="[-r <repo>] -R <rev>"
  17 LONG_USAGE="Print SHA1s of latest changes per branch up to <rev> useful
  18 to reset import and restart at <rev>.
  19 If <repo> is omitted, use last hg repository as obtained from state file,
  20 GIT_DIR/$PFX-$SFX_STATE by default.
  21
  22 Options:
  23         -R      Hg revision to reset to
  24         -r      Mercurial repository to use
  25 "
  26
  27 cd $(git rev-parse --show-toplevel) \
  28     || (echo "Could not find git repo" ; exit 1)
  29 GIT_DIR=$(git rev-parse --git-dir) || exit 1
  30
  31 while case "$#" in 0) break ;; esac
  32 do
  33   case "$1" in
  34     -r|--r|--re|--rep|--repo)
  35       shift
  36       REPO="$1"
  37       ;;
  38     -*)
  39       # pass any other options down to hg2git.py
  40       break
  41       ;;
  42     *)
  43       break
  44       ;;
  45   esac
  46   shift
  47 done
  48
  49 # for convenience: get default repo from state file
  50 if [ x"$REPO" = x -a -f "$GIT_DIR/$PFX-$SFX_STATE" ] ; then
  51   REPO="`grep '^:repo ' "$GIT_DIR/$PFX-$SFX_STATE" | cut -d ' ' -f 2`"
  52   echo "Using last hg repository \"$REPO\""
  53 fi
  54
  55 # make sure we have a marks cache
  56 if [ ! -f "$GIT_DIR/$PFX-$SFX_MARKS" ] ; then
  57   touch "$GIT_DIR/$PFX-$SFX_MARKS"
  58 fi
  59
  60 GIT_DIR="$GIT_DIR" $PYTHON "$ROOT/hg-reset.py" \
  61   --repo "$REPO" \
  62   --marks "$GIT_DIR/$PFX-$SFX_MARKS" \
  63   --mapping "$GIT_DIR/$PFX-$SFX_MAPPING" \
  64   --heads "$GIT_DIR/$PFX-$SFX_HEADS" \
  65   --status "$GIT_DIR/$PFX-$SFX_STATE" \
  66   "$@"
  67
  68 exit $?