Bulk delete Bitbucket LFS files

delete_bitbucket_lfs_files.js

(() => {
    // Run this in Chrome's console, while in Bitbucket's website and logged in

    const csrftoken = document.cookie.match(/\bcsrftoken=(.*?)(?:;| |$)/)[1];
    const repoName = window.__initial_state__.section.repository.currentRepository.full_name;
    const expiry = 1000 * 60 * 60; // Delete only files older than an hour
    let page = 1;

    function iterateNext() {
        fetch(`https://bitbucket.org/${repoName}/admin/lfs/file-management/?iframe=true&spa=0&page=${page}`, {
            method: 'GET',
            headers: {
             'x-csrftoken': csrftoken ,
            }
        }).then(response => {
            return response.text();
        }).then(response => {
            const matches = response.match(/lfs-file-list--content-hash">(.*?)<\/code>(?:.|\n)*?datetime="(.*?)"/g);
            let deletedCount = 0;
            let promises = [];

            if (!matches || !matches.length) return;

            for (let match of matches) {
                let parts = match.match(/lfs-file-list--content-hash">(.*?)<\/code>(?:.|\n)*?datetime="(.*?)"/);
                let id = parts[1];
                let date = new Date(parts[2]);
                if ((Date.now() - date) < expiry)
                    continue;

                promises.push(fetch(`https://bitbucket.org/!api/internal/repositories/${repoName}/lfs/${id}`, {
                    method: 'DELETE',
                    headers: {
                        'x-csrftoken': csrftoken,
                    }
                }).then(() => { deletedCount++; }).catch(() => {}));
            }

            return Promise.all(promises).then(() => {
                if (deletedCount === 0)
                    page++;
            }).then(() => {
                iterateNext();
            });
        });
    }

    iterateNext();
})();