57 lines
2.1 KiB
Bash
Executable File
57 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (C) 2021 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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usage() {
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f="$(basename -- $0)"
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cat <<EOF
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Usage:
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cd /path/to/All-Users.git
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"$f [username|gerrit|external]"
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This script finds duplicate usernames only differing in case in the given
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account schema ("username", "gerrit" or "external") and their respective accountIds.
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EOF
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exit 1
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}
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if [[ "$#" -ne "1" ]] || ! [[ "$1" =~ ^(gerrit|username|external)$ ]]; then
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usage
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fi
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# 1. find lines with user name and subsequent line in external-ids notes branch
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# example output of git grep -A1 "\[externalId \"username:" refs/meta/external-ids:
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# refs/meta/external-ids:00/1d/abd037e437f71d42134e6ad532a06948a2ba:[externalId "username:johndoe"]
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# refs/meta/external-ids:00/1d/abd037e437f71d42134e6ad532a06948a2ba- accountId = 1000815
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# --
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# refs/meta/external-ids:00/1f/0270fc2a6fc3a2439c454c8ab0c75323fdb0:[externalId "username:JohnDoe"]
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# refs/meta/external-ids:00/1f/0270fc2a6fc3a2439c454c8ab0c75323fdb0- accountId = 1000816
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# --
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# 2. remove group separators
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# 3. remove line break between user name and accountId lines
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# 4. unify separators to ":"
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# 5. cut on ":", select username and accountId fields
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# 6. sort case-insensitive
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# 7. flip columns
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# 8. uniq case-insensitive, only show duplicates, avoid comparing first field
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# 9. flip columns back
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git grep -A1 "\[externalId \"$1:" refs/meta/external-ids \
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| sed -E "/$1/,/accountId/!d" \
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| paste -d ' ' - - \
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| tr \"= : \
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| cut -d: --output-delimiter="" -f 5,8 \
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| sort -f \
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| sed -E "s/(.*) (.*)/\2 \1/" \
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| uniq -Di -f1 \
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| sed -E "s/(.*) (.*)/\2 \1/"
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