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#!/bin/bash
# Use like:
# ( time ./ooo-svn-to-git.sh /disk/git/svn /local/test/ooo-build ) 2>&1 | tee .log
TYPE="$1"
SOURCE="$2"
TARGET="$3"
COMMITTERS="$4"
LAYOUT="$5"
FROM="$6"
WD=`pwd`
loc=$(locale -a | grep -i "en_US\.utf" | grep "8$" | head -n 1)
if [ -z "$loc" ] ; then
echo "cannot set the utf8 locale" 1>&2
exit 1
else
export LANG="$loc"
fi
COMMAND=false
case "$TYPE" in
hg) COMMAND="./hg-fast-export" ;;
svn) COMMAND='./svn-fast-export' ;;
esac
if [ ! -d "$SOURCE" -o -e "$TARGET" -o -z "$TARGET" -o -z "$COMMITTERS" -o -z "$LAYOUT" -o "$COMMAND" = "false" ] ; then
cat 1>&2 <<EOF
Usage: to-git.sh type source target
Converts a SVN or a Mercurial repository to git.
type Type of the repo to convert - "svn" or "hg"
source Directory with the repo
target Directory where the resulting git repos are created (must not exist)
committers A file describing the committers
layout A file describing the layout of the repositories
clonefrom For incremental imports, specify the source repos
EOF
exit 1;
fi
mkdir -p "$TARGET"
rm *.dump
for I in `sed -e 's/^[#:].*//' -e 's/^ignore-.*//' -e 's/=.*//' "$LAYOUT" | grep -v '^$'` ; do
echo "$I" | sed 's/:/ /' | (
read NAME COMMIT
mkdir "$TARGET/$NAME"
mkfifo $NAME.dump
if [ -z "$COMMIT" -o -z "$FROM" ] ; then
( cd "$TARGET/$NAME" ; git init ; git fast-import < "$WD"/$NAME.dump ) &
else
( cd "$TARGET" ; git clone -n "$FROM/$NAME" "$NAME" ; \
cd "$NAME" ; git reset -q --hard "$COMMIT" ; git fast-import < "$WD"/$NAME.dump ; \
git checkout -f ) &
fi
)
done
# execute hg-fast-export, or svn-fast-export
$COMMAND "$SOURCE" "$COMMITTERS" "$LAYOUT"
RETURN_VALUE=$?
# wait until everything's finished
while [ -n "`jobs`" ] ; do
echo jobs:
jobs
sleep 1
done
# wait one more minute for everything to settle down
# FIXME rather find a real solution...
sleep 60
for I in `sed -e 's/^[#:].*//' -e 's/^ignore-.*//' -e 's/=.*//' -e 's/:.*//' "$LAYOUT" | grep -v '^$'` ; do
( cd "$TARGET/$I" ; pwd ; git branch | sed 's/^\*/ /' | grep 'tag-branches/' | xargs -r git branch -D )
rm $I.dump
done
exit $RETURN_VALUE
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