Merge commit 'b319ef7' into jc/maint-fix-test-perm

* commit 'b319ef7': (8132 commits)
  Add a small patch-mode testing library
  git-apply--interactive: Refactor patch mode code
  t8005: Nobody writes Russian in shift_jis
  Fix severe breakage in "git-apply --whitespace=fix"
  Update release notes for 1.6.4
  After renaming a section, print any trailing variable definitions
  Make section_name_match start on '[', and return the length on success
  send-email: detect cycles in alias expansion
  Show the presence of untracked files in the bash prompt.
  SunOS grep does not understand -C<n> nor -e
  Fix export_marks() error handling.
  git repack: keep commits hidden by a graft
  Add a test showing that 'git repack' throws away grafted-away parents
  git branch: clean up detached branch handling
  git branch: avoid unnecessary object lookups
  git branch: fix performance problem
  git svn: fix shallow clone when upstream revision is too new
  do_one_ref(): null_sha1 check is not about broken ref
  configure.ac: properly unset NEEDS_SSL_WITH_CRYPTO when sha1 func is missing
  janitor: useless checks before free
  ...

1 files changed, 58 insertions, 36 deletions

diff --git a/t/t4002-diff-basic.sh b/t/t4002-diff-basic.sh
index 56eda63fc2..18695ce821 100755
--- a/t/t4002-diff-basic.sh
+++ b/t/t4002-diff-basic.sh
@@ -7,7 +7,7 @@ test_description='Test diff raw-output.
 
 '
 . ./test-lib.sh
-. ../lib-read-tree-m-3way.sh
+. "$TEST_DIRECTORY"/lib-read-tree-m-3way.sh
 
 cat >.test-plain-OA <<\EOF
 :000000 100644 0000000000000000000000000000000000000000 ccba72ad3888a3520b39efcf780b9ee64167535d A	AA
@@ -140,80 +140,94 @@ cmp_diff_files_output () {
 
 test_expect_success \
     'diff-tree of known trees.' \
-    'git-diff-tree $tree_O $tree_A >.test-a &&
+    'git diff-tree $tree_O $tree_A >.test-a &&
      cmp -s .test-a .test-plain-OA'
 
 test_expect_success \
     'diff-tree of known trees.' \
-    'git-diff-tree -r $tree_O $tree_A >.test-a &&
+    'git diff-tree -r $tree_O $tree_A >.test-a &&
      cmp -s .test-a .test-recursive-OA'
 
 test_expect_success \
     'diff-tree of known trees.' \
-    'git-diff-tree $tree_O $tree_B >.test-a &&
+    'git diff-tree $tree_O $tree_B >.test-a &&
      cmp -s .test-a .test-plain-OB'
 
 test_expect_success \
     'diff-tree of known trees.' \
-    'git-diff-tree -r $tree_O $tree_B >.test-a &&
+    'git diff-tree -r $tree_O $tree_B >.test-a &&
      cmp -s .test-a .test-recursive-OB'
 
 test_expect_success \
     'diff-tree of known trees.' \
-    'git-diff-tree $tree_A $tree_B >.test-a &&
+    'git diff-tree $tree_A $tree_B >.test-a &&
      cmp -s .test-a .test-plain-AB'
 
 test_expect_success \
     'diff-tree of known trees.' \
-    'git-diff-tree -r $tree_A $tree_B >.test-a &&
+    'git diff-tree -r $tree_A $tree_B >.test-a &&
      cmp -s .test-a .test-recursive-AB'
 
 test_expect_success \
+    'diff-tree --stdin of known trees.' \
+    'echo $tree_A $tree_B | git diff-tree --stdin > .test-a &&
+     echo $tree_A $tree_B > .test-plain-ABx &&
+     cat .test-plain-AB >> .test-plain-ABx &&
+     cmp -s .test-a .test-plain-ABx'
+
+test_expect_success \
+    'diff-tree --stdin of known trees.' \
+    'echo $tree_A $tree_B | git diff-tree -r --stdin > .test-a &&
+     echo $tree_A $tree_B > .test-recursive-ABx &&
+     cat .test-recursive-AB >> .test-recursive-ABx &&
+     cmp -s .test-a .test-recursive-ABx'
+
+test_expect_success \
     'diff-cache O with A in cache' \
-    'git-read-tree $tree_A &&
-     git-diff-index --cached $tree_O >.test-a &&
+    'git read-tree $tree_A &&
+     git diff-index --cached $tree_O >.test-a &&
      cmp -s .test-a .test-recursive-OA'
 
 test_expect_success \
     'diff-cache O with B in cache' \
-    'git-read-tree $tree_B &&
-     git-diff-index --cached $tree_O >.test-a &&
+    'git read-tree $tree_B &&
+     git diff-index --cached $tree_O >.test-a &&
      cmp -s .test-a .test-recursive-OB'
 
 test_expect_success \
     'diff-cache A with B in cache' \
-    'git-read-tree $tree_B &&
-     git-diff-index --cached $tree_A >.test-a &&
+    'git read-tree $tree_B &&
+     git diff-index --cached $tree_A >.test-a &&
      cmp -s .test-a .test-recursive-AB'
 
 test_expect_success \
     'diff-files with O in cache and A checked out' \
     'rm -fr Z [A-Z][A-Z] &&
-     git-read-tree $tree_A &&
-     git-checkout-index -f -a &&
-     git-read-tree --reset $tree_O || return 1
-     git-update-index --refresh >/dev/null ;# this can exit non-zero
-     git-diff-files >.test-a &&
+     git read-tree $tree_A &&
+     git checkout-index -f -a &&
+     git read-tree --reset $tree_O || return 1
+     git update-index --refresh >/dev/null ;# this can exit non-zero
+     git diff-files >.test-a &&
      cmp_diff_files_output .test-a .test-recursive-OA'
 
 test_expect_success \
     'diff-files with O in cache and B checked out' \
     'rm -fr Z [A-Z][A-Z] &&
-     git-read-tree $tree_B &&
-     git-checkout-index -f -a &&
-     git-read-tree --reset $tree_O || return 1
-     git-update-index --refresh >/dev/null ;# this can exit non-zero
-     git-diff-files >.test-a &&
+     git read-tree $tree_B &&
+     git checkout-index -f -a &&
+     git read-tree --reset $tree_O || return 1
+     git update-index --refresh >/dev/null ;# this can exit non-zero
+     git diff-files >.test-a &&
      cmp_diff_files_output .test-a .test-recursive-OB'
 
 test_expect_success \
     'diff-files with A in cache and B checked out' \
     'rm -fr Z [A-Z][A-Z] &&
-     git-read-tree $tree_B &&
-     git-checkout-index -f -a &&
-     git-read-tree --reset $tree_A || return 1
-     git-update-index --refresh >/dev/null ;# this can exit non-zero
-     git-diff-files >.test-a &&
+     git read-tree $tree_B &&
+     git checkout-index -f -a &&
+     git read-tree --reset $tree_A || return 1
+     git update-index --refresh >/dev/null ;# this can exit non-zero
+     git diff-files >.test-a &&
      cmp_diff_files_output .test-a .test-recursive-AB'
 
 ################################################################
@@ -222,26 +236,34 @@ test_expect_success \
 
 test_expect_success \
     'diff-tree O A == diff-tree -R A O' \
-    'git-diff-tree $tree_O $tree_A >.test-a &&
-    git-diff-tree -R $tree_A $tree_O >.test-b &&
+    'git diff-tree $tree_O $tree_A >.test-a &&
+    git diff-tree -R $tree_A $tree_O >.test-b &&
     cmp -s .test-a .test-b'
 
 test_expect_success \
     'diff-tree -r O A == diff-tree -r -R A O' \
-    'git-diff-tree -r $tree_O $tree_A >.test-a &&
-    git-diff-tree -r -R $tree_A $tree_O >.test-b &&
+    'git diff-tree -r $tree_O $tree_A >.test-a &&
+    git diff-tree -r -R $tree_A $tree_O >.test-b &&
     cmp -s .test-a .test-b'
 
 test_expect_success \
     'diff-tree B A == diff-tree -R A B' \
-    'git-diff-tree $tree_B $tree_A >.test-a &&
-    git-diff-tree -R $tree_A $tree_B >.test-b &&
+    'git diff-tree $tree_B $tree_A >.test-a &&
+    git diff-tree -R $tree_A $tree_B >.test-b &&
     cmp -s .test-a .test-b'
 
 test_expect_success \
     'diff-tree -r B A == diff-tree -r -R A B' \
-    'git-diff-tree -r $tree_B $tree_A >.test-a &&
-    git-diff-tree -r -R $tree_A $tree_B >.test-b &&
+    'git diff-tree -r $tree_B $tree_A >.test-a &&
+    git diff-tree -r -R $tree_A $tree_B >.test-b &&
     cmp -s .test-a .test-b'
 
+test_expect_success \
+    'diff can read from stdin' \
+    'test_must_fail git diff --no-index -- MN - < NN |
+        grep -v "^index" | sed "s#/-#/NN#" >.test-a &&
+    test_must_fail git diff --no-index -- MN NN |
+        grep -v "^index" >.test-b &&
+    test_cmp .test-a .test-b'
+
 test_done