Jalil David Salamé Messina
46291fc850
This allows us to analyze the report more easily. There is experimental support for comparing against a base report, but we don't expose that functionality to the action.
135 lines
3.6 KiB
Bash
Executable file
135 lines
3.6 KiB
Bash
Executable file
#!/bin/sh
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set -eu
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# USAGE: json_to_md_rows <FIELD> [JSON_FILE]
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#
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# JSON_FILE can be piped from stdin
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json_to_md_rows() {
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jq --raw-output \
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".$1[]"' | "| `\(.name)` | \(.size) | \(.narSize) |"' "$2" |
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numfmt --to=iec-i --field=4,6
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}
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# USAGE: json_to_md_rows <FIELD> [JSON_FILE]
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#
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# JSON_FILE can be piped from stdin
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json_to_md_rows_and_change() {
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jq --raw-output \
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".$1[]"' | "| `\(.name)` | \(.size) | \(.sizeChange) | \(.narSize) | \(.narSizeChange) |"' |
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numfmt --to=iec-i --field=4,6,8,10
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}
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# USAGE: has_elements <FIELD> <JSON_FILE>
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has_elements() {
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if [ "${2+set}" = 'set' ]; then
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[ "$(jq ".$1 != []" "$2")" = 'true' ]
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else
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[ "$(jq ".$1 != []")" = 'true' ]
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fi
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}
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# USAGE: markdown_from_report <REPORT> [BASE_REPORT]
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#
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# If BASE_REPORT is provided, a comparison will be made
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markdown_from_report() {
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cat <<-"EOF"
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# Flake output sizes
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- `Name`: the name of the package/configuration
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- `Size`: the closure size (size on disk of the package/configuration)
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- `NAR Size`: the size of the generated build instructions (Nix ARchive)
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EOF
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if [ "${2+set}" = "set" ]; then
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cat <<-"EOF"
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- `[NAR] Size Change`: the amount changed compared to the main branch
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EOF
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compare=$(jq --slurp --from-file "${GITHUB_ACTION_PATH-.}/compare.jq" "$1" "$2")
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if echo "$compare" | has_elements 'nixosConfigurations'; then
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cat <<-"EOF"
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# NixOS Configurations
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| Name | Size | Size Change | NAR Size | NAR Size Change |
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|------|-----:|------------:|---------:|----------------:|
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EOF
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echo "$compare" | json_to_md_rows_and_change "nixosConfigurations"
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echo
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fi
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if echo "$compare" | has_elements 'packages'; then
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cat <<-"EOF"
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# Packages
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| Name | Size | Size Change | NAR Size | NAR Size Change |
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|------|-----:|------------:|---------:|----------------:|
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EOF
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echo "$compare" | json_to_md_rows_and_change "packages"
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echo
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fi
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else
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if has_elements 'nixosConfigurations' "$1"; then
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cat <<-"EOF"
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# NixOS Configurations
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| Name | Size | NAR Size |
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|------|-----:|---------:|
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EOF
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json_to_md_rows "nixosConfigurations" "$1"
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echo
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fi
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if has_elements 'packages' "$1"; then
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cat <<-"EOF"
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# Packages
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| Name | Size | NAR Size |
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|------|-----:|---------:|
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EOF
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json_to_md_rows "packages" "$1"
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echo
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fi
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fi
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}
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# Test outside CI
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if [ "${CI-false}" != 'true' ]; then
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markdown_from_report "$@"
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exit 0
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fi
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echo 'Determine head_ref'
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# For push & tag events it'll bet GITHUB_REF_NAME, for pull_request events it'll be GITHUB_HEAD_REF
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head_ref=${GITHUB_REF_NAME-$GITHUB_HEAD_REF}
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echo "Get PR number for $head_ref"
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prs=$(curl -X 'GET' \
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"$GITHUB_API_URL/repos/$GITHUB_REPOSITORY/pulls?state=open&sort=recentupdate" \
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-H "Authorization: token $GITHUB_TOKEN" \
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-H 'accept: application/json')
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pr_number=$(echo "$prs" |
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jq --arg head_ref "$head_ref" '.[] | select(.head.ref == $head_ref) | .number')
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# Protect against running before a PR is made or if it is triggered on the main branch
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if [ -z "$pr_number" ]; then
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echo "No PR created for this commit"
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exit 0
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fi
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echo "Retrieved index: $pr_number" >&2
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echo "Expected PR URL: $GITHUB_SERVER_URL/$GITHUB_REPOSITORY/pulls/$pr_number" >&2
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echo 'Generating comment body' >&2
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comment=$(markdown_from_report "$@")
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echo 'Posting comment:' >&2
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echo "$comment" >&2
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echo 'Request data:' >&2
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data=$(echo '{}' | jq --arg comment "$comment" '.body=$comment')
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echo "$data" >&2
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curl -o - -X 'POST' \
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"$GITHUB_API_URL/repos/$GITHUB_REPOSITORY/issues/$pr_number/comments" \
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-H 'accept: application/json' \
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-H "Authorization: token $GITHUB_TOKEN" \
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-H 'Content-Type: application/json' \
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-d "$data"
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