| # This script explains all peer requirement violations matching certain parameters. | |
| # The default matches incorrect react/react-dom versions requested by transitive | |
| # dependencies of @wordpress packages. | |
| packages="react\|react-dom" | |
| violations_from="@wordpress" | |
| # Use grep to find all lines containing hashes inside parentheses following a dependency, | |
| # then use cut to split each line on the "(" character and take the second part. After that, | |
| # split on ")" and take the first part to get the hash. Sort the output and remove duplicates with uniq. | |
| ids=$(yarn install | grep "satisfy what $violations_from" | grep "$packages" | grep "\(([^()]*)\)" | cut -d "(" -f 2 | cut -d ")" -f 1 | sort | uniq) | |
| violations="" | |
| # Now loop over each unique ID and run yarn explain peer-requirements | |
| for id in $ids; do | |
| # Save all peer requirement violations without spaces/tabs. | |
| violation=$(yarn explain peer-requirements "$id" | grep "✘" | tr -d " \t") | |
| violations+="$violation\n" | |
| done | |
| echo "The following packages likely request '$packages' at a version different from the one provided by $violations_from." | |
| echo "Run 'yarn' and then 'yarn explain peer-requirements <id>' to see the exact issue." | |
| echo "Note that some violation warnings may be discarded by .yarnrc.yml, in which case this script won't see them" | |
| # Print all unique violations (only the package name and version) | |
| echo -e "$violations" | sed -E 's/➤YN0000:(.*)\[[0-9a-f]+\].*/\1/' | sort | uniq | |