63 lines
1.9 KiB
Bash
63 lines
1.9 KiB
Bash
#!/usr/bin/env bash
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# Copyright © 2012-2026 ScriptFanix
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# This program 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.
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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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# A copy of the GNU General Public License v3 is includded in the LICENSE file
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# at the root of the project.
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upgradedatabase_1_2() {
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local data \
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datas \
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id \
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rename_pattern \
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pattern \
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fat32
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echo "Upgrading database to version 2... (backup is $database.bak_v1)"
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cp "$database" "$database.bak_v1"
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# Add new columns to hold the fat32compat and ascii settings separately
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echo 'ALTER TABLE destination_files ADD COLUMN fat32compat INTEGER;' >&3
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echo 'ALTER TABLE destination_files ADD COLUMN ascii INTEGER;' >&3
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# Read all existing destination_files rows to migrate rename_pattern format
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# Old format embedded fat32compat after a colon: "pattern:fat32value"
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echo '
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SELECT id,
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rename_pattern
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FROM destination_files;
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SELECT "AtOM::NoMoreData";' >&3
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read -u4 -r -d $'\0' data
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while [[ $data != AtOM::NoMoreData ]]
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do
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datas+=( "$data" )
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read -u4 -r -d $'\0' data
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done
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# Ensure consistency by performing all updates in a single transaction
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echo 'BEGIN TRANSACTION;' >&3
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for data in "${datas[@]}"
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do
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id="${data%%::AtOM:SQL:Sep::*}"
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rename_pattern="${data#*::AtOM:SQL:Sep::}"
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# Split "pattern:fat32" on the colon separator
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IFS=':'
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read pattern fat32 <<<"$rename_pattern"
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IFS="$oldIFS"
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# ASCII-only didn't exist in v1; default to off
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Update destination_files \
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rename_pattern "$pattern" \
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fat32compat "$fat32" \
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ascii 0 \
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<<<"id = $id"
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done
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echo 'COMMIT;' >&3
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Update atom version 2 <<<"1 = 1"
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}
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