mirror of https://github.com/citusdata/citus.git
48 lines
1.7 KiB
Bash
Executable File
48 lines
1.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Our custom diff tool which normalizes result and expected files before
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# doing the actual diff. Rules for normalization are in normalize.sed. See
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# the comments there for more information.
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#
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# Note that src/test/regress/Makefile adds this directory to $PATH so
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# pg_regress uses this diff tool instead of the system diff tool.
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set -eu -o pipefail
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file1="${@:(-2):1}"
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file2="${@:(-1):1}"
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# pg_regress passes the expected file as the first argument ($file1 above),
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# and results file as the second argument ($file2 above). We take the base
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# filename of the expected file as the test name. We can have multiple
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# expected files for a single test with _0, _1, ... suffixes.
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# So for the test name, we also strip the additional suffix.
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test=$(basename "$file1" .out | sed -E "s/_[0-9]+$//")
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args=${@:1:$#-2}
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BASEDIR=$(dirname "$0")
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# whereis searches for standard unix places before $PATH. So select the first
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# entry as the original diff tool.
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DIFF=$(whereis diff | sed "s/diff://g" | awk '{print $1}')
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if [ -z "$DIFF" ]
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then
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DIFF=/usr/bin/diff
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fi
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if test -z "${VANILLATEST:-}"
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then
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touch "$file1" # when adding a new test the expected file does not exist
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normalize_file="$BASEDIR/normalize.sed"
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# when running tests on an existing cluster some changes need to be done on
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# normalize.sed file. So a new file is used.
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if [[ -f "$BASEDIR/normalize_modified.sed" ]]
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then
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normalize_file="$BASEDIR/normalize_modified.sed"
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fi
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sed -Ef "$normalize_file" < "$file1" > "$file1.modified"
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sed -Ef "$normalize_file" < "$file2" > "$file2.modified"
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"$DIFF" -w $args "$file1.modified" "$file2.modified" | LC_CTYPE=C.UTF-8 diff-filter "$BASEDIR/normalize.sed"
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exit ${PIPESTATUS[0]}
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else
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exec "$DIFF" -w $args "$file1" "$file2"
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fi
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