diff options
Diffstat (limited to 'node_modules/tar/lib/update.js')
-rw-r--r-- | node_modules/tar/lib/update.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/node_modules/tar/lib/update.js b/node_modules/tar/lib/update.js new file mode 100644 index 0000000..ded977d --- /dev/null +++ b/node_modules/tar/lib/update.js @@ -0,0 +1,40 @@ +'use strict' + +// tar -u + +const hlo = require('./high-level-opt.js') +const r = require('./replace.js') +// just call tar.r with the filter and mtimeCache + +module.exports = (opt_, files, cb) => { + const opt = hlo(opt_) + + if (!opt.file) { + throw new TypeError('file is required') + } + + if (opt.gzip) { + throw new TypeError('cannot append to compressed archives') + } + + if (!files || !Array.isArray(files) || !files.length) { + throw new TypeError('no files or directories specified') + } + + files = Array.from(files) + + mtimeFilter(opt) + return r(opt, files, cb) +} + +const mtimeFilter = opt => { + const filter = opt.filter + + if (!opt.mtimeCache) { + opt.mtimeCache = new Map() + } + + opt.filter = filter ? (path, stat) => + filter(path, stat) && !(opt.mtimeCache.get(path) > stat.mtime) + : (path, stat) => !(opt.mtimeCache.get(path) > stat.mtime) +} |