INNER CODE UNIT · JavaScript

previous_tags

scality/Zenko · .github/scripts/get-previous-tag.js:20

        const previous_tags = allReleases.filter(r =>
            r.tag_name.startsWith(stem) &&
            !/[-.]/.test(r.tag_name.substring(stem.length))
        );
        if (previous_tags.length > 0) {
            // Use a custom sort function, to ensure 'natural' sort of numeric parts
            const compare = new Intl.Collator(undefined, { numeric: true }).compare;
            return previous_tags.sort(
                (a, b) => compare(a.tag_name, b.tag_name)
            ).reverse()[0].tag_name;
        }

        // No direct sibling: fall back to the "parent" — the prefix itself as
        // an exact release. e.g. previous of X.Y.Z.1 is X.Y.Z (the base), and
        // previous of X.Y.Z-1-rc.1 (when no earlier rc exists) is X.Y.Z-1.
        // Without this, we'd peel further up and pick a same-level sibling of
        // the parent (like X.Y.(Z+1)), which is on a different branch.
        if (allReleases.some(r => r.tag_name === prefix)) {

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