Merge branch 'maint'

* maint:
  Documentation: tighten dependency for git.{html,txt}
  Makefile: iconv() on Darwin has the old interface
  t5300-pack-object.sh: portability issue using /usr/bin/stat
  t3200-branch.sh: small language nit
  usermanual.txt: some capitalization nits
  Make builtin-branch.c handle the git config file
  rename_ref(): only print a warning when config-file update fails
  Distinguish branches by more than case in tests.
  Avoid composing too long "References" header.
  cvsimport: Improve formating consistency
  cvsimport: Reorder options in documentation for better understanding
  cvsimport: Improve usage error reporting
  cvsimport: Improve documentation of CVSROOT and CVS module determination
  cvsimport: sync usage lines with existing options

Conflicts:

	Documentation/Makefile

11 files changed, 87 insertions, 67 deletions

diff --git a/Documentation/Makefile b/Documentation/Makefile
index e82596dcd..a637d8d55 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -90,14 +90,17 @@ cmds_txt = cmds-ancillaryinterrogators.txt \
 	cmds-purehelpers.txt \
 	cmds-foreignscminterface.txt
 
-$(cmds_txt): cmd-list.perl $(MAN1_TXT)
+$(cmds_txt): cmd-list.made
+
+cmd-list.made: cmd-list.perl $(MAN1_TXT)
 	perl ./cmd-list.perl
+	date >$@
 
 git.7 git.html: git.txt core-intro.txt
 
 clean:
 	rm -f *.xml *.xml+ *.html *.html+ *.1 *.7 howto-index.txt howto/*.html doc.dep
-	rm -f $(cmds_txt)
+	rm -f $(cmds_txt) *.made
 
 %.html : %.txt
 	rm -f $@+ $@
diff --git a/Documentation/cmd-list.perl b/Documentation/cmd-list.perl
index b54382b2b..0381590d3 100755
--- a/Documentation/cmd-list.perl
+++ b/Documentation/cmd-list.perl
@@ -1,8 +1,11 @@
-#
+#!/usr/bin/perl -w
+
+use File::Compare qw(compare);
 
 sub format_one {
 	my ($out, $name) = @_;
 	my ($state, $description);
+	$state = 0;
 	open I, '<', "$name.txt" or die "No such file $name.txt";
 	while (<I>) {
 		if (/^NAME$/) {
@@ -55,7 +58,14 @@ for my $cat (qw(ancillaryinterrogators
 		format_one(\*O, $_);
 	}
 	close O;
-	rename "$out+", "$out";
+
+	if (-f "$out" && compare("$out", "$out+") == 0) {
+		unlink "$out+";
+	}
+	else {
+		print STDERR "$out\n";
+		rename "$out+", "$out";
+	}
 }
 
 __DATA__
diff --git a/Documentation/git-cvsimport.txt b/Documentation/git-cvsimport.txt
index 0d59c0613..e0be85654 100644
--- a/Documentation/git-cvsimport.txt
+++ b/Documentation/git-cvsimport.txt
@@ -9,9 +9,11 @@ git-cvsimport - Salvage your data out of another SCM people love to hate
 SYNOPSIS
 --------
 [verse]
-'git-cvsimport' [-o <branch-for-HEAD>] [-h] [-v] [-d <CVSROOT>] [-s <subst>]
-	      [-p <options-for-cvsps>] [-C <git_repository>] [-i] [-P <file>]
-	      [-m] [-M regex] [<CVS_module>]
+'git-cvsimport' [-o <branch-for-HEAD>] [-h] [-v] [-d <CVSROOT>]
+	      [-A <author-conv-file>] [-p <options-for-cvsps>] [-P <file>]
+	      [-C <git_repository>] [-z <fuzz>] [-i] [-k] [-u] [-s <subst>]
+	      [-a] [-m] [-M <regex>] [-S <regex>] [-L <commitlimit>]
+	      [<CVS_module>]
 
 
 DESCRIPTION
@@ -30,35 +32,48 @@ any CVS branches, yourself.
 
 OPTIONS
 -------
+-v::
+	Verbosity: let 'cvsimport' report what it is doing.
+
 -d <CVSROOT>::
 	The root of the CVS archive. May be local (a simple path) or remote;
 	currently, only the :local:, :ext: and :pserver: access methods 
-	are supported.
+	are supported. If not given, git-cvsimport will try to read it
+	from `CVS/Root`. If no such file exists, it checks for the
+	`CVSROOT` environment variable.
+
+<CVS_module>::
+	The CVS module you want to import. Relative to <CVSROOT>.
+	If not given, git-cvsimport tries to read it from
+	`CVS/Repository`.
 
 -C <target-dir>::
         The git repository to import to.  If the directory doesn't
         exist, it will be created.  Default is the current directory.
 
+-o <branch-for-HEAD>::
+	The 'HEAD' branch from CVS is imported to the 'origin' branch within
+	the git repository, as 'HEAD' already has a special meaning for git.
+	Use this option if you want to import into a different branch.
++
+Use '-o master' for continuing an import that was initially done by
+the old cvs2git tool.
+
 -i::
 	Import-only: don't perform a checkout after importing.  This option
 	ensures the working directory and index remain untouched and will
 	not create them if they do not exist.
 
 -k::
-	Kill keywords: will extract files with -kk from the CVS archive
+	Kill keywords: will extract files with '-kk' from the CVS archive
 	to avoid noisy changesets. Highly recommended, but off by default
 	to preserve compatibility with early imported trees. 
 
 -u::
 	Convert underscores in tag and branch names to dots.
 
--o <branch-for-HEAD>::
-	The 'HEAD' branch from CVS is imported to the 'origin' branch within
-	the git repository, as 'HEAD' already has a special meaning for git.
-	Use this option if you want to import into a different branch.
-+
-Use '-o master' for continuing an import that was initially done by
-the old cvs2git tool.
+-s <subst>::
+	Substitute the character "/" in branch names with <subst>
 
 -p <options-for-cvsps>::
 	Additional options for cvsps.
@@ -66,6 +81,10 @@ the old cvs2git tool.
 +
 If you need to pass multiple options, separate them with a comma.
 
+-z <fuzz>::
+	Pass the timestamp fuzz factor to cvsps, in seconds. If unset,
+	cvsps defaults to 300s.
+
 -P <cvsps-output-file>::
 	Instead of calling cvsps, read the provided cvsps output file. Useful
 	for debugging or when cvsps is being handled outside cvsimport.
@@ -77,32 +96,16 @@ If you need to pass multiple options, separate them with a comma.
 
 -M <regex>::
 	Attempt to detect merges based on the commit message with a custom
-	regex. It can be used with -m to also see the default regexes. 
+	regex. It can be used with '-m' to also see the default regexes.
 	You must escape forward slashes. 
 
--v::
-	Verbosity: let 'cvsimport' report what it is doing.
-
-<CVS_module>::
-	The CVS module you want to import. Relative to <CVSROOT>.
-
--h::
-	Print a short usage message and exit.
-
--z <fuzz>::
-	Pass the timestamp fuzz factor to cvsps, in seconds. If unset,
-	cvsps defaults to 300s.
-
--s <subst>::
-	Substitute the character "/" in branch names with <subst>
+-S <regex>::
+	Skip paths matching the regex.
 
 -a::
 	Import all commits, including recent ones. cvsimport by default
 	skips commits that have a timestamp less than 10 minutes ago.
 
--S <regex>::
-	Skip paths matching the regex.
-
 -L <limit>::
 	Limit the number of commits imported. Workaround for cases where
 	cvsimport leaks memory.
@@ -122,14 +125,17 @@ git-cvsimport will make it appear as those authors had
 their GIT_AUTHOR_NAME and GIT_AUTHOR_EMAIL set properly
 all along.
 +
-For convenience, this data is saved to $GIT_DIR/cvs-authors
-each time the -A option is provided and read from that same
+For convenience, this data is saved to `$GIT_DIR/cvs-authors`
+each time the '-A' option is provided and read from that same
 file each time git-cvsimport is run.
 +
 It is not recommended to use this feature if you intend to
 export changes back to CVS again later with
 gitlink:git-cvsexportcommit[1].
 
+-h::
+	Print a short usage message and exit.
+
 OUTPUT
 ------
 If '-v' is specified, the script reports what it is doing.
diff --git a/Documentation/user-manual.txt b/Documentation/user-manual.txt
index 574e9c0e5..d43d2377e 100644
--- a/Documentation/user-manual.txt
+++ b/Documentation/user-manual.txt
@@ -1015,7 +1015,7 @@ $ git commit
 -------------------------------------------------
 
 [[how-to-make-a-commit]]
-how to make a commit
+How to make a commit
 --------------------
 
 Creating a new commit takes three steps:
@@ -1109,7 +1109,7 @@ $ git diff	    # difference between the index file and your
 $ git status	    # a brief per-file summary of the above.
 -------------------------------------------------
 
-creating good commit messages
+Creating good commit messages
 -----------------------------
 
 Though not required, it's a good idea to begin the commit message
@@ -1119,7 +1119,7 @@ description.  Tools that turn commits into email, for example, use
 the first line on the Subject line and the rest of the commit in the
 body.
 
-how to merge
+How to merge
 ------------
 
 You can rejoin two diverging branches of development using
@@ -1298,7 +1298,7 @@ the different stages of that file will be "collapsed", after which
 git-diff will (by default) no longer show diffs for that file.
 
 [[undoing-a-merge]]
-undoing a merge
+Undoing a merge
 ---------------
 
 If you get stuck and decide to just give up and throw the whole mess
diff --git a/Makefile b/Makefile
index 45dbcf6ed..ba214589c 100644
--- a/Makefile
+++ b/Makefile
@@ -385,6 +385,7 @@ endif
 ifeq ($(uname_S),Darwin)
 	NEEDS_SSL_WITH_CRYPTO = YesPlease
 	NEEDS_LIBICONV = YesPlease
+	OLD_ICONV = UnfortunatelyYes
 	NO_STRLCPY = YesPlease
 endif
 ifeq ($(uname_S),SunOS)
diff --git a/builtin-branch.c b/builtin-branch.c
index a4494ee33..740828505 100644
--- a/builtin-branch.c
+++ b/builtin-branch.c
@@ -493,6 +493,7 @@ static void rename_branch(const char *oldname, const char *newname, int force)
 {
 	char oldref[PATH_MAX], newref[PATH_MAX], logmsg[PATH_MAX*2 + 100];
 	unsigned char sha1[20];
+	char oldsection[PATH_MAX], newsection[PATH_MAX];
 
 	if (!oldname)
 		die("cannot rename the current branch while not on any.");
@@ -521,6 +522,11 @@ static void rename_branch(const char *oldname, const char *newname, int force)
 	/* no need to pass logmsg here as HEAD didn't really move */
 	if (!strcmp(oldname, head) && create_symref("HEAD", newref, NULL))
 		die("Branch renamed to %s, but HEAD is not updated!", newname);
+
+	snprintf(oldsection, sizeof(oldsection), "branch.%s", oldref + 11);
+	snprintf(newsection, sizeof(newsection), "branch.%s", newref + 11);
+	if (git_config_rename_section(oldsection, newsection) < 0)
+		die("Branch is renamed, but update of config-file failed");
 }
 
 int cmd_branch(int argc, const char **argv, const char *prefix)
diff --git a/git-cvsimport.perl b/git-cvsimport.perl
index 1a1ba7b1a..ac74bc51b 100755
--- a/git-cvsimport.perl
+++ b/git-cvsimport.perl
@@ -32,12 +32,15 @@ $ENV{'TZ'}="UTC";
 our ($opt_h,$opt_o,$opt_v,$opt_k,$opt_u,$opt_d,$opt_p,$opt_C,$opt_z,$opt_i,$opt_P, $opt_s,$opt_m,$opt_M,$opt_A,$opt_S,$opt_L, $opt_a);
 my (%conv_author_name, %conv_author_email);
 
-sub usage() {
+sub usage(;$) {
+	my $msg = shift;
+	print(STDERR "Error: $msg\n") if $msg;
 	print STDERR <<END;
 Usage: ${\basename $0}     # fetch/update GIT from CVS
        [-o branch-for-HEAD] [-h] [-v] [-d CVSROOT] [-A author-conv-file]
-       [-p opts-for-cvsps] [-C GIT_repository] [-z fuzz] [-i] [-k] [-u]
-       [-s subst] [-a] [-m] [-M regex] [-S regex] [CVS_module]
+       [-p opts-for-cvsps] [-P file] [-C GIT_repository] [-z fuzz] [-i] [-k]
+       [-u] [-s subst] [-a] [-m] [-M regex] [-S regex] [-L commitlimit]
+       [CVS_module]
 END
 	exit(1);
 }
@@ -116,7 +119,7 @@ read_repo_config($opts);
 getopts($opts) or usage();
 usage if $opt_h;
 
-@ARGV <= 1 or usage();
+@ARGV <= 1 or usage("You can't specify more than one CVS module");
 
 if ($opt_d) {
 	$ENV{"CVSROOT"} = $opt_d;
@@ -129,7 +132,7 @@ if ($opt_d) {
 } elsif ($ENV{"CVSROOT"}) {
 	$opt_d = $ENV{"CVSROOT"};
 } else {
-	die "CVSROOT needs to be set";
+	usage("CVSROOT needs to be set");
 }
 $opt_o ||= "origin";
 $opt_s ||= "-";
@@ -148,7 +151,7 @@ if ($#ARGV == 0) {
 	chomp $cvs_tree;
 	close $f;
 } else {
-	usage();
+	usage("CVS module has to be specified");
 }
 
 our @mergerx = ();
diff --git a/git-send-email.perl b/git-send-email.perl
index ae50990d0..1278fcba4 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -595,7 +595,7 @@ foreach my $t (@files) {
 	if ($chain_reply_to || !defined $reply_to || length($reply_to) == 0) {
 		$reply_to = $message_id;
 		if (length $references > 0) {
-			$references .= " $message_id";
+			$references .= "\n $message_id";
 		} else {
 			$references = "$message_id";
 		}
diff --git a/refs.c b/refs.c
index f471152bf..d2b7b7fb5 100644
--- a/refs.c
+++ b/refs.c
@@ -828,16 +828,6 @@ int rename_ref(const char *oldref, const char *newref, const char *logmsg)
 		goto rollback;
 	}
 
-	if (!prefixcmp(oldref, "refs/heads/") &&
-			!prefixcmp(newref, "refs/heads/")) {
-		char oldsection[1024], newsection[1024];
-
-		snprintf(oldsection, 1024, "branch.%s", oldref + 11);
-		snprintf(newsection, 1024, "branch.%s", newref + 11);
-		if (git_config_rename_section(oldsection, newsection) < 0)
-			return 1;
-	}
-
 	return 0;
 
  rollback:
diff --git a/t/t3200-branch.sh b/t/t3200-branch.sh
index ce2c5f41f..828d553a4 100755
--- a/t/t3200-branch.sh
+++ b/t/t3200-branch.sh
@@ -11,7 +11,7 @@ handled.  Specifically, that a bogus branch is not created.
 . ./test-lib.sh
 
 test_expect_success \
-    'prepare an trivial repository' \
+    'prepare a trivial repository' \
     'echo Hello > A &&
      git-update-index --add A &&
      git-commit -m "Initial commit." &&
@@ -85,9 +85,9 @@ test_expect_failure \
 
 mv .git/config .git/config-saved
 
-test_expect_success 'git branch -m q Q without config should succeed' '
-	git-branch -m q Q &&
-	git-branch -m Q q
+test_expect_success 'git branch -m q q2 without config should succeed' '
+	git-branch -m q q2 &&
+	git-branch -m q2 q
 '
 
 mv .git/config-saved .git/config
diff --git a/t/t5300-pack-object.sh b/t/t5300-pack-object.sh
index 35e036a86..083095f7f 100755
--- a/t/t5300-pack-object.sh
+++ b/t/t5300-pack-object.sh
@@ -123,11 +123,12 @@ test_expect_success \
      done'
 cd "$TRASH"
 
-test_expect_success \
-    'compare delta flavors' \
-    'size_2=`stat -c "%s" test-2-${packname_2}.pack` &&
-     size_3=`stat -c "%s" test-3-${packname_3}.pack` &&
-     test $size_2 -gt $size_3'
+test_expect_success 'compare delta flavors' '
+	perl -e '\''
+		defined($_ = -s $_) or die for @ARGV;
+		exit 1 if $ARGV[0] <= $ARGV[1];
+	'\'' test-2-$packname_2.pack test-3-$packname_3.pack
+'
 
 rm -fr .git2
 mkdir .git2