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76 lines
1.8 KiB
76 lines
1.8 KiB
#!/bin/bash |
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# Copyright © 2021 by The qTox Project Contributors |
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# |
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# This program is libre 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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# This program 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 this program. If not, see <http://www.gnu.org/licenses/>. |
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check_sha256() |
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{ |
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if uname | grep -q Darwin; then |
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HASH_BIN="gsha256sum" |
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else |
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HASH_BIN="sha256sum" |
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fi |
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if ! ( echo "$1 $2" | $HASH_BIN -c --quiet --status - ) |
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then |
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echo "Error: sha256 of $2 doesn't match the known one." |
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echo "Expected: $1 $2" |
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echo -n "Got: " |
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sha256sum "$2" |
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exit 1 |
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else |
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echo "sha256 matches the expected one: $1" |
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fi |
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} |
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download_file() |
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{ |
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# Curl command wrapper to download a file to the CWD |
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local URL="$1" |
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curl -L --connect-timeout 10 -O "$URL" |
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} |
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download_verify_extract_tarball() |
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{ |
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# Downlaoads the tarball at URL, ensures it has an sha256sum of HASH and |
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# extracts it to the CWD |
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local URL="$1" |
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local HASH="$2" |
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# Try linux style mktemp and fallback on osx style |
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TEMPDIR=$(mktemp -d -p . 2>/dev/null || mktemp -d -t qtox_download) |
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if [ $? -ne 0 ]; then |
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return 1 |
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fi |
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TEMPDIR=$(cd "$TEMPDIR"; pwd -P) |
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pushd "$TEMPDIR" >/dev/null || exit 1 |
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download_file "$URL" |
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if ! check_sha256 "$HASH" *; then |
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rm -fr "$TEMPDIR" |
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return 1 |
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fi |
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popd >/dev/null || exit 1 |
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tar -xf "$TEMPDIR"/* --strip-components=1 |
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rm -fr "$TEMPDIR" |
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}
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