Merge branch 'maint'

* maint:
  Update draft release notes to 1.7.4.2
  Work around broken ln on solaris as used in t8006
  t/README: Add a note about running commands under valgrind

Documentation/RelNotes/1.7.4.2.txt

@@ -7,6 +7,11 @@ Fixes since v1.7.4.1
  * Many documentation updates to match "git cmd -h" output and the
    git-cmd manual page.
 
+ * We used to keep one file descriptor open for each and every packfile
+   that we have a mmap window on it (read: "in use"), even when for very
+   tiny packfiles.  We now close the file descriptor early when the entire
+   packfile fits inside one mmap window.
+
  * "git clone /no/such/path" did not fail correctly.
 
  * "git commit" did not correctly error out when the user asked to use a
@@ -34,6 +39,10 @@ Fixes since v1.7.4.1
    to update the upstream branch it forked from is now called "upstream".
    The old name "tracking" is and will be supported.
 
+ * "git submodule update" used to honor the --merge/--rebase option (or
+   corresponding configuration variables) even for a newly cloned
+   subproject, which made no sense (so/submodule-no-update-first-time).
+
  * gitweb's "highlight" interface mishandled tabs.
 
  * gitweb had a few forward-incompatible syntactic constructs and

t/README

@@ -102,6 +102,13 @@ appropriately before running "make".
 	not see any output, this option implies --verbose.  For
 	convenience, it also implies --tee.
 
+	Note that valgrind is run with the option --leak-check=no,
+	as the git process is short-lived and some errors are not
+	interesting. In order to run a single command under the same
+	conditions manually, you should set GIT_VALGRIND to point to
+	the 't/valgrind/' directory and use the commands under
+	't/valgrind/bin/'.
+
 --tee::
 	In addition to printing the test output to the terminal,
 	write it to files named 't/test-results/$TEST_NAME.out'.

t/t8006-blame-textconv.sh

@@ -25,7 +25,8 @@ test_expect_success 'setup ' '
 	echo "bin: test 1 version 2" >one.bin &&
 	echo "bin: test number 2 version 2" >>two.bin &&
 	if test_have_prereq SYMLINKS; then
-		ln -sf two.bin symlink.bin
+		rm symlink.bin &&
+		ln -s two.bin symlink.bin
 	fi &&
 	GIT_AUTHOR_NAME=Number2 git commit -a -m Second --date="2010-01-01 20:00:00"
 '