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Fast-Export/hg-reset.sh
Rocco Rutte 8aff9df2c3 hg-reset.sh: Helper for partially re-importing from hg
Given a hg revision to reset to, these scripts get the latest changes
per hg branch and print git SHA1. The user then needs to manually reset
branches as needed, tune the state file and can re-import things again.

Signed-off-by: Rocco Rutte <pdmef@gmx.net>
2007-03-19 09:04:42 +00:00

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#!/bin/sh
# Copyright (c) 2007 Rocco Rutte <pdmef@gmx.net>
# License: MIT <http://www.opensource.org/licenses/mit-license.php>
ROOT="`dirname $0`"
REPO=""
PFX="hg2git"
SFX_MARKS="marks"
SFX_HEADS="heads"
SFX_STATE="state"
QUIET=""
USAGE="[-r <repo>] -R <rev>"
LONG_USAGE="Print SHA1s of latest changes per branch up to <rev> useful
to reset import and restart at <rev>.
If <repo> is omitted, use last hg repository as obtained from state file,
GIT_DIR/$PFX-$SFX_STATE by default.
Options:
-R Hg revision to reset to
-r Mercurial repository to use
"
. git-sh-setup
cd_to_toplevel
while case "$#" in 0) break ;; esac
do
case "$1" in
-r|--r|--re|--rep|--repo)
shift
REPO="$1"
;;
-*)
# pass any other options down to hg2git.py
break
;;
*)
break
;;
esac
shift
done
# for convenience: get default repo from state file
if [ x"$REPO" = x -a -f "$GIT_DIR/$PFX-$SFX_STATE" ] ; then
REPO="`egrep '^:repo ' "$GIT_DIR/$PFX-$SFX_STATE" | cut -d ' ' -f 2`"
echo "Using last hg repository \"$REPO\""
fi
# make sure we have a marks cache
if [ ! -f "$GIT_DIR/$PFX-$SFX_MARKS" ] ; then
touch "$GIT_DIR/$PFX-$SFX_MARKS"
fi
GIT_DIR="$GIT_DIR" python "$ROOT/hg-reset.py" \
--repo "$REPO" \
--marks "$GIT_DIR/$PFX-$SFX_MARKS" \
--heads "$GIT_DIR/$PFX-$SFX_HEADS" \
--status "$GIT_DIR/$PFX-$SFX_STATE" \
"$@"
exit $?