t/t4135/make-patches

   1 #!/bin/sh
   2
   3 do_filename() {
   4         desc=$1
   5         postimage=$2
   6
   7         rm -fr file-creation &&
   8         git init file-creation &&
   9         (
  10                 cd file-creation &&
  11                 git commit --allow-empty -m init &&
  12                 echo postimage >"$postimage" &&
  13                 git add -N "$postimage" &&
  14                 git diff HEAD >"../git-$desc.diff"
  15         ) &&
  16
  17         rm -fr trad-modification &&
  18         mkdir trad-modification &&
  19         (
  20                 cd trad-modification &&
  21                 echo preimage >"$postimage.orig" &&
  22                 echo postimage >"$postimage" &&
  23                 ! diff -u "$postimage.orig" "$postimage" >"../diff-$desc.diff"
  24         ) &&
  25
  26         rm -fr trad-creation &&
  27         mkdir trad-creation &&
  28         (
  29                 cd trad-creation &&
  30                 mkdir a b &&
  31                 echo postimage >"b/$postimage" &&
  32                 ! diff -pruN a b >"../add-$desc.diff"
  33         )
  34 }
  35
  36 do_filename plain postimage.txt &&
  37 do_filename 'with spaces' 'post image.txt' &&
  38 do_filename 'with tab' 'post    image.txt' &&
  39 do_filename 'with backslash' 'post\image.txt' &&
  40 do_filename 'with quote' '"postimage".txt' &&
  41 expand add-plain.diff >damaged.diff ||
  42 {
  43         echo >&2 Failed. &&
  44         exit 1
  45 }