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#!@BINDIR@/bash
#
# The example hook script to store the metadata information of version
# controlled files (with each commit) using the `metastore' program.
#
# Copyright (C) 2016 Przemyslaw Pawelczyk <przemoc@gmail.com>
# Copyright (C) 2018-2020 Mohammad Akhlaghi <mohammad@akhlaghi.org>
#
# WARNING:
#
# If the commit is aborted (e.g. by not entering any synopsis),
# then updated metastore file (.metadata by default) is not reverted,
# so its new version remains in the index.
# To undo any changes in metastore file written since HEAD commit,
# you may want to reset and checkout HEAD version of the file:
#
# git reset HEAD -- .metadata
# git checkout HEAD -- .metadata
#
# This script is taken from the `examples/hooks/pre-commit' file of the
# `metastore' package (installed within the project, with an MIT license
# for copyright). Here, the name of the `MSFILE' and also set special
# characters for the installation location of meta-store so our own
# installation is found by Git.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to permit
# persons to whom the Software is furnished to do so, subject to the
# following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
# NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
# USE OR OTHER DEALINGS IN THE SOFTWARE.
# File containig the metadata and metastore executable.
MSFILE=".file-metadata"
MSBIN=@BINDIR@/metastore
# If metastore is not installed, then ignore this script (exit with a
# status of 0).
if [ ! -f $MSBIN ]; then exit 0; fi
# Function to help in reporting a crash.
exit_on_fail() {
"$@"
if [ $? -ne 0 ]; then
echo "Failed to execute: $@" >&2
exit 1
fi
}
# Run metastore.
exit_on_fail \
$MSBIN -O @USER@ -G @GROUP@ -s -f "$MSFILE"
# If it's first metastore commit, store again to include $MSFILE in $MSFILE.
if ! git-ls-tree --name-only HEAD 2>/dev/null | grep -Fqx "$MSFILE"; then
exit_on_fail \
$MSBIN -O @USER@ -G @GROUP@ -s -f "$MSFILE"
fi
# Check if the metadata file exists.
if [ ! -e "$MSFILE" ]; then
echo "\"$MSFILE\" missing" >&2
exit 1
fi
# Add the metadata file to the Git repository.
exit_on_fail \
git-add "$MSFILE"
# Return with a success code (0).
exit 0
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