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|
##
# systr_check_repo <path>
#
# Assert that the local repository path exists and is valid.
##
function systr_check_repo
{
if [ $# -lt 1 ]; then
echo "Fatal: too few arguments to systr_check_repo"
exit 1
fi
path="$1"
(
cd "$path"
if [ ! -f "refs/HEAD" ]; then
echo "Fatal: $path is not a repository"
exit 1
fi
)
}
##
# systr_init_wktree [<remote>] <path>
#
# Assert that the repository at <remote>:<path> exists, then setup
# the .systr directory at the CWD.
##
function systr_init_wktree
{
if [ $# -lt 1 ]; then
echo "Fatal: too few arguments to systr_init_wktree"
exit 1
fi
if [ $# -gt 1 ]; then
remote="$1"
shift
else
remote=""
fi
path="$1"
if [[ "$remote" == "" ]]; then
systr_check_repo "$path"
else
ssh "$remote" "systrunk check-repo \"$path\""
fi
mkdir -p .systr/
echo "$remote" >.systr/remote
echo "$path" >.systr/path
echo "NULL" >.systr/BASE
echo "NULL" >.systr/TRAC
echo "Setup worktree at $(pwd)"
}
##
# systrunk checkout <version> [[<remote>] <path>]
#
# Reset a worktree to the state at <version>. If <path> is given,
# checkout also initializes a new worktree at the CWD. If <remote>
# is given, the path is assumed to be located on a remote machine
# and is contacted over SSH. While resetting to the state at
# <version>, all local uncommitted changes are lost.
#
# After checkout, BASE and TRAC will be set to <version>.
##
function systr_checkout
{
# check arguments #
if [ $# -lt 2 ]; then
echo "Missing required parameters"
exit
fi
# init worktree #
if [ $# -gt 2 ]; then
init_wktree $@
fi
# perform checkout #
read remote <.systr/remote
read path <.systr/path
version=$2
if [[ "$version" == "NULL" ]]; then
echo "Checking out NULL :: Checkout not performed"
exit
fi
commit=$(get_commit "$version")
symref=$(get_symref "$version")
echo "$commit" >.systr/BASE
echo "$symref" >.systr/TRAC
if [[ "$commit" == "NULL" ]]; then
echo "Nothing to checkout"
exit
fi
echo "Checking out files..."
# local repository #
if [[ "$remote" == "" ]]; then
rsync -az --info=progress2 --info=stats2 \
--delete --exclude='*.systr' \
"$path/$commit/" .
# remote repository #
else
rsync -az -e ssh --info=progress2 --info=stats2 \
--delete --exclude='*.systr' \
"$remote:$path/$commit/" .
fi
}
|
