Fixing a panic with narrow terminal windows

Dependencies

• [2] 5MQUX3TQ Correct spacing for zero-length progress bar
• [3] BNPSVXIC Friendlier progress bars
• [4] GNMZNKB4 Cursors cleanup
• [5] MXQ3U2DP Shorter progress bars
• [6] 2D7P2VKJ Change completions (where the whole progress bar story started)

Change contents

• replacement in pijul/src/progress.rs at line 190
  [3.8691]→[3.8691:8733](∅→∅)
  − let w = w - npre - npost;
  [3.8691]

  [3.8733]
  + let w_digits = {

  + let mut n = *n;

  + let mut nd = if n == 0 { 1 } else { 0 } + if *i == 0 { 1 } else { 0 };

  + while n > 0 {

  + n /= 10;

  + nd += 1

  + }

  + let mut n = *i;

  + while n > 0 {

  + n /= 10;

  + nd += 1

  + }

  + nd

  + };

  + let w = w - npre - npost - w_digits;
• replacement in pijul/src/progress.rs at line 232
  [3.9240]→[3.145:194](∅→∅),[3.194]→[2.0:82](∅→∅),[2.82]→[3.9298:9630](∅→∅),[3.9298]→[3.9298:9630](∅→∅)
  − let mut nw = w - wb + npost - 6;

  − if *n == 0 {

  − nw -= 2

  − } else {

  − let mut n = *n;

  − while n > 0 {

  − n /= 10;

  − nw -= 1

  − }

  − let mut n = *i;

  − while n > 0 {

  − n /= 10;

  − nw -= 1

  − }

  − }
  [3.9240]

  [3.9630]
  + let nw = w + npost - wb - 6;