src/du-tests

   1 #!/bin/bash
   2 cat - <<\EOF > /dev/null
   3 Invoke e.g., like this
   4 DU1=du-4.5.2 DU2=du ./du-tests
   5 EOF
   6
   7 test -x "$DU1" || { echo DU1 envvar not set; exit 1; }
   8 test -x "$DU2" || { echo DU2 envvar not set; exit 1; }
   9 # Expects $DU1 and $DU2 to be the binaries to compare.
  10 d1=$(mktemp -d)
  11 cp -a $DU1 $d1/du
  12 d2=$(mktemp -d)
  13 cp -a $DU2 $d2/du
  14
  15 for args in  \
  16     '-Sa .' \
  17     '-Sa ../..' \
  18     '-Sa a' \
  19     '-Sa /tmp /t' \
  20     '-Sa /tmp' \
  21     '/tmp /t' \
  22     '-a /tmp /t' \
  23     '-a a' \
  24     '-ca .' \
  25     '-ca ..' \
  26     '-ca ../..' \
  27     '-ca /tmp /t' \
  28     '-ca /tmp' \
  29     '-ca a' \
  30   ; do
  31   echo Args: $args ======================
  32   diff -u --label=$DU1 --label=$DU2 \
  33     <(PATH=$d1 du $args 2>&1) <(PATH=$d2 du $args 2>&1)
  34 done
  35 rm -rf $d1 $d2