96 lines
2.5 KiB
Bash
Executable File
96 lines
2.5 KiB
Bash
Executable File
#!/bin/sh -e
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#
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# 2019 Timothée Floure (timothee.floure@ungleich.ch)
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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# Function to compare version strings. Returns success (0) if the version
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# given by stdin is higher than the version provided by the argument.
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#
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# Taken from the cdist core type __sensible_editor.
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version_ge() {
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awk -F '[^0-9.]' -v target="${1:?}" '
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function max(x, y) { return x > y ? x : y; }
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BEGIN {
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getline;
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nx = split($1, x, ".");
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ny = split(target, y, ".");
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for (i = 1; i <= max(nx, ny); ++i) {
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diff = int(x[i]) - int(y[i]);
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if (diff < 0) exit 1;
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else if (diff > 0) exit 0;
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else continue;
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}
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}'
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}
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VERSION=$(cat "$__object/parameter/version")
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INSTALL_DIR=$(cat "$__object/parameter/install_dir")
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OWNER=$(cat "$__object/parameter/owner")
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# tarball name changed due to application renaming
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if echo "$VERSION" | version_ge 1.7.14; then
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src="element-v$VERSION"
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else
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src="riot-v$VERSION"
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fi
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archive="$src.tar.gz"
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url="https://github.com/vector-im/riot-web/releases/download/v$VERSION/$archive"
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# tar and curl are installed by the __matrix-riot manifest. mktemp is usually
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# provided by coreutils and assumed installed.
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cat << EOF
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set -e
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# Ensure that coreutils is installed.
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if [ ! -x \$(which mktemp) ]; then
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echo "mktemp is not available on the remote host." >&2
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exit 1
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fi
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# Create temporary working directory.
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tmpdir=\$(mktemp -d)
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custom_files_dir="\$tmpdir/custom_files"
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cd \$tmpdir
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# Download and extract sources.
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curl -L '$url' > $archive
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tar xf $archive
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# Backup files deployed by __matrix_element.
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mkdir -p \$custom_files_dir
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for file in $INSTALL_DIR/cdist/*; do
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cp "\$file" "\$custom_files_dir"
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done
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# Deploy sources and restore configuration.
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rm -r '$INSTALL_DIR'
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mv '$src' '$INSTALL_DIR'
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for file in \$custom_files_dir/*; do
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cp "\$file" '$INSTALL_DIR'
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done
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# Chown deployed files to requested owner.
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chown -R '$OWNER' '$INSTALL_DIR'
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# Remove temporary working directory.
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cd /
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rm -r \$tmpdir
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EOF
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