Merge remote-tracking branch 'ko/maint' into jc/diff-index-quick-exit-early

* ko/maint: (4352 commits)
  git-submodule.sh: separate parens by a space to avoid confusing some shells
  Documentation/technical/api-diff.txt: correct name of diff_unmerge()
  read_gitfile_gently: use ssize_t to hold read result
  remove tests of always-false condition
  rerere.c: diagnose a corrupt MERGE_RR when hitting EOF between TAB and '\0'
  Git 1.7.5.3
  init/clone: remove short option -L and document --separate-git-dir
  do not read beyond end of malloc'd buffer
  git-svn: Fix git svn log --show-commit
  Git 1.7.5.2
  provide a copy of the LGPLv2.1
  test core.gitproxy configuration
  copy_gecos: fix not adding nlen to len when processing "&"
  Update draft release notes to 1.7.5.2
  Documentation/git-fsck.txt: fix typo: unreadable -> unreachable
  send-pack: avoid deadlock on git:// push with failed pack-objects
  connect: let callers know if connection is a socket
  connect: treat generic proxy processes like ssh processes
  sideband_demux(): fix decl-after-stmt
  t3503: test cherry picking and reverting root commits
  ...

Conflicts:
	diff.c

1 files changed, 114 insertions, 6 deletions

diff --git a/t/t0000-basic.sh b/t/t0000-basic.sh
index f4ca4fc85c..f4e8f43bae 100755
--- a/t/t0000-basic.sh
+++ b/t/t0000-basic.sh
@@ -54,9 +54,40 @@ test_expect_success 'success is reported like this' '
 test_expect_failure 'pretend we have a known breakage' '
     false
 '
+
+test_expect_success 'pretend we have fixed a known breakage (run in sub test-lib)' "
+    mkdir passing-todo &&
+    (cd passing-todo &&
+    cat >passing-todo.sh <<EOF &&
+#!$SHELL_PATH
+
+test_description='A passing TODO test
+
+This is run in a sub test-lib so that we do not get incorrect passing
+metrics
+'
+
+# Point to the t/test-lib.sh, which isn't in ../ as usual
+TEST_DIRECTORY=\"$TEST_DIRECTORY\"
+. \"\$TEST_DIRECTORY\"/test-lib.sh
+
 test_expect_failure 'pretend we have fixed a known breakage' '
     :
 '
+
+test_done
+EOF
+    chmod +x passing-todo.sh &&
+    ./passing-todo.sh >out 2>err &&
+    ! test -s err &&
+sed -e 's/^> //' >expect <<EOF &&
+> ok 1 - pretend we have fixed a known breakage # TODO known breakage
+> # fixed 1 known breakage(s)
+> # passed all 1 test(s)
+> 1..1
+EOF
+    test_cmp expect out)
+"
 test_set_prereq HAVEIT
 haveit=no
 test_expect_success HAVEIT 'test runs if prerequisite is satisfied' '
@@ -73,6 +104,83 @@ then
 	exit 1
 fi
 
+test_set_prereq HAVETHIS
+haveit=no
+test_expect_success HAVETHIS,HAVEIT 'test runs if prerequisites are satisfied' '
+    test_have_prereq HAVEIT &&
+    test_have_prereq HAVETHIS &&
+    haveit=yes
+'
+donthaveit=yes
+test_expect_success HAVEIT,DONTHAVEIT 'unmet prerequisites causes test to be skipped' '
+    donthaveit=no
+'
+donthaveiteither=yes
+test_expect_success DONTHAVEIT,HAVEIT 'unmet prerequisites causes test to be skipped' '
+    donthaveiteither=no
+'
+if test $haveit$donthaveit$donthaveiteither != yesyesyes
+then
+	say "bug in test framework: multiple prerequisite tags do not work reliably"
+	exit 1
+fi
+
+clean=no
+test_expect_success 'tests clean up after themselves' '
+    test_when_finished clean=yes
+'
+
+if test $clean != yes
+then
+	say "bug in test framework: basic cleanup command does not work reliably"
+	exit 1
+fi
+
+test_expect_success 'tests clean up even on failures' "
+    mkdir failing-cleanup &&
+    (cd failing-cleanup &&
+    cat >failing-cleanup.sh <<EOF &&
+#!$SHELL_PATH
+
+test_description='Failing tests with cleanup commands'
+
+# Point to the t/test-lib.sh, which isn't in ../ as usual
+TEST_DIRECTORY=\"$TEST_DIRECTORY\"
+. \"\$TEST_DIRECTORY\"/test-lib.sh
+
+test_expect_success 'tests clean up even after a failure' '
+    touch clean-after-failure &&
+    test_when_finished rm clean-after-failure &&
+    (exit 1)
+'
+
+test_expect_success 'failure to clean up causes the test to fail' '
+    test_when_finished \"(exit 2)\"
+'
+
+test_done
+EOF
+    chmod +x failing-cleanup.sh &&
+    test_must_fail ./failing-cleanup.sh >out 2>err &&
+    ! test -s err &&
+    ! test -f \"trash directory.failing-cleanup/clean-after-failure\" &&
+sed -e 's/Z$//' -e 's/^> //' >expect <<\EOF &&
+> not ok - 1 tests clean up even after a failure
+> #	Z
+> #	    touch clean-after-failure &&
+> #	    test_when_finished rm clean-after-failure &&
+> #	    (exit 1)
+> #	Z
+> not ok - 2 failure to clean up causes the test to fail
+> #	Z
+> #	    test_when_finished \"(exit 2)\"
+> #	Z
+> # failed 2 among 2 test(s)
+> 1..2
+EOF
+    test_cmp expect out)
+"
+
 ################################################################
 # Basics of the basics
 
@@ -280,7 +388,7 @@ $expectfilter >expected <<\EOF
 EOF
 test_expect_success \
     'validate git diff-files output for a know cache/work tree state.' \
-    'git diff-files >current && diff >/dev/null -b current expected'
+    'git diff-files >current && test_cmp current expected >/dev/null'
 
 test_expect_success \
     'git update-index --refresh should succeed.' \
@@ -327,7 +435,7 @@ test_expect_success 'update-index D/F conflict' '
 	test $numpath0 = 1
 '
 
-test_expect_success SYMLINKS 'absolute path works as expected' '
+test_expect_success SYMLINKS 'real path works as expected' '
 	mkdir first &&
 	ln -s ../.git first/.git &&
 	mkdir second &&
@@ -335,14 +443,14 @@ test_expect_success SYMLINKS 'absolute path works as expected' '
 	mkdir third &&
 	dir="$(cd .git; pwd -P)" &&
 	dir2=third/../second/other/.git &&
-	test "$dir" = "$(test-path-utils make_absolute_path $dir2)" &&
+	test "$dir" = "$(test-path-utils real_path $dir2)" &&
 	file="$dir"/index &&
-	test "$file" = "$(test-path-utils make_absolute_path $dir2/index)" &&
+	test "$file" = "$(test-path-utils real_path $dir2/index)" &&
 	basename=blub &&
-	test "$dir/$basename" = "$(cd .git && test-path-utils make_absolute_path "$basename")" &&
+	test "$dir/$basename" = "$(cd .git && test-path-utils real_path "$basename")" &&
 	ln -s ../first/file .git/syml &&
 	sym="$(cd first; pwd -P)"/file &&
-	test "$sym" = "$(test-path-utils make_absolute_path "$dir2/syml")"
+	test "$sym" = "$(test-path-utils real_path "$dir2/syml")"
 '
 
 test_expect_success 'very long name in the index handled sanely' '