A script to set up an hg-to-git clone

hg-to-git.sh

#!/bin/sh
# hg-to-git
# sets up a clone of a remote mercurial repository to a git repo
# relies on the wonderful tools from http://repo.or.cz/w/fast-export.git

PROJ_NAME=$1
HG_REMOTE=$2
GIT_REMOTE=$3

echo "---- making the project in $PROJ_NAME"
mkdir $PROJ_NAME
cd $PROJ_NAME

echo '---- cloning the hg repo'
hg clone $HG_REMOTE hg

echo '---- creating the git repo'
mkdir git
cd git
git init --bare

echo '---- migrating hg->git'
hg-fast-export.sh --quiet -r ../hg

if [ -n $GIT_REMOTE ]; then
    echo '---- pushing git'
    git remote add origin $3
    git push origin master
fi

echo "---- writing the update script"
cd ..
echo '#!/bin/sh' > update
echo             >> update
if [ -n $GIT_REMOTE ]; then
    echo 'GIT_PUSH=1' >> update
else
    echo 'GIT_PUSH=' >> update
fi

cat >> update <<'UPDATE'
ROOT=`cd $(dirname $0); pwd`

echo '---- updating hg'
cd $ROOT/hg
hg pull -u
cd -

echo '---- migrating hg->git'
cd $ROOT/git
hg-fast-export.sh --quiet

if [ $GIT_PUSH ]; then 
    echo '---- pushing git'
    git push
fi
cd -
UPDATE
chmod +x update