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ocrd-galley/qurator_data_lib.sh

121 lines
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Bash

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# ______________________________________
#/ always copy the file from \
#| mono-repo/qurator_data_lib.sh, never |
#\ edit the copy in the project /
# --------------------------------------
# \ ^__^
# \ (oo)\_______
# (__)\ )\/\
# ||----w |
# || ||
if [ -z "$BASH" ]; then
echo "qurator_data_lib.sh uses bash features, please make sure to run $0 in bash"
exit 1
fi
check_data_subdir() {
result=0
if git submodule status $DATA_SUBDIR | grep -q '^-'; then
echo "$DATA_SUBDIR/ is not an initialized submodule"; result=1
fi
if ! [ -e $DATA_SUBDIR/.git/annex ]; then
echo "$DATA_SUBDIR/ is not a git annex repository"; result=1
fi
if ! (cd $DATA_SUBDIR && git annex version | egrep -q 'local repository version: (7|8)'); then
echo "$DATA_SUBDIR/ is not a git annex repository version 7 or 8"; result=1
fi
if ! (cd $DATA_SUBDIR && git remote | grep -q '^nfs$'); then
echo "$DATA_SUBDIR/ has no git remote 'nfs'"; result=1
fi
return $result
}
annex_get() {
if [[ "$1" = '--allow_symlinks' ]]; then
allow_symlinks=1
shift
else
allow_symlinks=0
fi
file_pattern="$1"
(
cd $DATA_SUBDIR
git annex get $file_pattern
# fsck seems to be necessary to fix the files if we are in a submodule
git annex fsck $file_pattern
# Check that there are no symlinks = only unlocked files. This is needed for
# Docker builds, as we cannot dereference symlinks in a Dockerfile COPY.
if [[ $allow_symlinks = 0 ]]; then
git ls-files $file_pattern | while read f; do
if ! [[ -f "$f" ]]; then
echo "$DATA_SUBDIR/$f is not a regular file Is an unlock needed?"
exit
fi
done
fi
)
}
download_to() {
download_source="$1"
unpack_to="$2"
(
cd $DATA_SUBDIR
tmpf=`mktemp 'tmp.XXXXX'`
curl -sSL -o $tmpf "$download_source"
mkdir -p "$unpack_to"
# Unpacking relies on tar -a unpacking any tar compression
tar -C "$unpack_to" -af $tmpf -xv
rm -f $tmpf
)
}
suggest_commands() {
echo "Suggested commands:"
echo
echo "git submodule update --init"
echo "(cd $DATA_SUBDIR && git annex init --version=7)"
echo "(cd $DATA_SUBDIR && git remote add nfs annex@b-lx0053.sbb.spk-berlin.de:/var/lib/annex/qurator-data.git)"
}
handle_data() {
if [[ "$1" = '--no-download' ]]; then
no_download=1
shift
else
no_download=0
fi
if [ -n "$FORCE_DOWNLOAD" ]; then
get_from_web
elif ! check_data_subdir; then
if [[ $no_download = 1 ]]; then
select choice in "Abort to manually fix $DATA_SUBDIR submodule"; do
if [ $REPLY = 1 ]; then
suggest_commands
exit
fi
done
else
select choice in "Abort to manually fix $DATA_SUBDIR submodule" "Download data files from the web"; do
if [ $REPLY = 1 ]; then
suggest_commands
exit
else
get_from_web
break
fi
done
fi
else
get_from_annex
fi
}