Ensure lines were modified
It's possible that the output of the diff contains surrounding lines that were not modified. This change filters further to lines that were added or removed.
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4
.github/scripts/metrics_checker.sh
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4
.github/scripts/metrics_checker.sh
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@ -6,7 +6,7 @@ set -uo pipefail
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### It is still up to the reviewer to make sure that any tests added are needed and meaningful.
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# search for any "new" or modified metric emissions
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metrics_modified=$(git --no-pager diff origin/main...HEAD | grep -i "SetGauge\|EmitKey\|IncrCounter\|AddSample\|MeasureSince\|UpdateFilter")
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metrics_modified=$(git --no-pager diff origin/main...HEAD | grep -i "SetGauge\|EmitKey\|IncrCounter\|AddSample\|MeasureSince\|UpdateFilter" | grep "^[+-]")
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# search for PR body or title metric references
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metrics_in_pr_body=$(echo "${PR_BODY-""}" | grep -i "metric")
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metrics_in_pr_title=$(echo "${PR_TITLE-""}" | grep -i "metric")
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@ -15,7 +15,7 @@ metrics_in_pr_title=$(echo "${PR_TITLE-""}" | grep -i "metric")
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if [ "$metrics_modified" ] || [ "$metrics_in_pr_body" ] || [ "$metrics_in_pr_title" ]; then
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# need to check if there are modifications to metrics_test
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test_files_regex="*_test.go"
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modified_metrics_test_files=$(git --no-pager diff HEAD "$(git merge-base HEAD "origin/main")" -- "$test_files_regex" | grep -i "metric")
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modified_metrics_test_files=$(git --no-pager diff HEAD "$(git merge-base HEAD "origin/main")" -- "$test_files_regex" | grep -i "metric" | grep "^[+-]")
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if [ "$modified_metrics_test_files" ]; then
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# 1 happy path: metrics_test has been modified bc we modified metrics behavior
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echo "PR seems to modify metrics behavior. It seems it may have added tests to the metrics as well."
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