git ssb

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var u = require('yap-util')
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function round (n, p) {
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  return Math.round(n * p) / p
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}
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function percent (n) {
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  return (round(n, 1000)*100).toString().substring(0, 4)+'%'
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}
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function rate (prog) {
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  if(prog.target == prog.current) return 1
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  return (prog.current - prog.start) / (prog.target - prog.start)
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}
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module.exports = function (sbot) {
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  return function (opts, apply) {
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    return function (cb) {
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      sbot.progress(function (err, prog) {
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        var s = '', r = 1
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        for(var k in prog)
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          if(prog[k].current <= prog[k].target) {
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            var _r = rate(prog[k])
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            r = Math.min(r, _r)
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            s += (s ? ', ' : '') + k +': ' + percent(r)
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          }
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        cb(null, ['progress', Object.assign(
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            {value: r, max: 1, title: s},
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            apply.cacheAttrs('/progress', 'prog')
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          )
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        ])
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      })
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    }
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  }
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}
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