Merge branch 'lt/rev-list' into next

* lt/rev-list:
  First cut at libifying revlist generation
  Merge branch 'maint'
  sample hooks template.
  Teach the "git" command to handle some commands internally
  Use setenv(), fix warnings
  contrib/git-svn: version 0.10.0
  contrib/git-svn: optimize sequential commits to svn
  contrib/git-svn: add show-ignore command
  annotate: Use qx{} for pipes on activestate.
  annotate: Convert all -| calls to use a helper open_pipe().
  annotate: Handle dirty state and arbitrary revisions.
  git-fetch: print the new and old ref when fast-forwarding

Makefile

@@ -192,7 +192,7 @@ LIB_FILE=libgit.a
 LIB_H = \
 	blob.h cache.h commit.h count-delta.h csum-file.h delta.h \
 	diff.h epoch.h object.h pack.h pkt-line.h quote.h refs.h \
-	run-command.h strbuf.h tag.h tree.h git-compat-util.h
+	run-command.h strbuf.h tag.h tree.h git-compat-util.h revision.h
 
 DIFF_OBJS = \
 	diff.o diffcore-break.o diffcore-order.o diffcore-pathspec.o \
@@ -205,7 +205,7 @@ LIB_OBJS = \
 	quote.o read-cache.o refs.o run-command.o \
 	server-info.o setup.o sha1_file.o sha1_name.o strbuf.o \
 	tag.o tree.o usage.o config.o environment.o ctype.o copy.o \
-	fetch-clone.o \
+	fetch-clone.o revision.o \
 	$(DIFF_OBJS)
 
 LIBS = $(LIB_FILE)

cache.h

@@ -10,7 +10,7 @@
 #define deflateBound(c,s)  ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11)
 #endif
 
-#if defined(DT_UNKNOWN) && !NO_D_TYPE_IN_DIRENT
+#if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT)
 #define DTYPE(de)	((de)->d_type)
 #else
 #undef DT_UNKNOWN

contrib/git-svn/git-svn.perl

@@ -8,7 +8,7 @@
 		$GIT_SVN_INDEX $GIT_SVN
 		$GIT_DIR $REV_DIR/;
 $AUTHOR = 'Eric Wong <normalperson@yhbt.net>';
-$VERSION = '0.9.1';
+$VERSION = '0.10.0';
 $GIT_DIR = $ENV{GIT_DIR} || "$ENV{PWD}/.git";
 $GIT_SVN = $ENV{GIT_SVN_ID} || 'git-svn';
 $GIT_SVN_INDEX = "$GIT_DIR/$GIT_SVN/index";
@@ -30,6 +30,7 @@
 use File::Path qw/mkpath/;
 use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/;
 use File::Spec qw//;
+use POSIX qw/strftime/;
 my $sha1 = qr/[a-f\d]{40}/;
 my $sha1_short = qr/[a-f\d]{6,40}/;
 my ($_revision,$_stdin,$_no_ignore_ext,$_no_stop_copy,$_help,$_rmdir,$_edit,
@@ -49,6 +50,7 @@
 	fetch => [ \&fetch, "Download new revisions from SVN" ],
 	init => [ \&init, "Initialize and fetch (import)"],
 	commit => [ \&commit, "Commit git revisions to SVN" ],
+	'show-ignore' => [ \&show_ignore, "Show svn:ignore listings" ],
 	rebuild => [ \&rebuild, "Rebuild git-svn metadata (after git clone)" ],
 	help => [ \&usage, "Show help" ],
 );
@@ -258,6 +260,30 @@ sub commit {
 
 }
 
+sub show_ignore {
+	require File::Find or die $!;
+	my $exclude_file = "$GIT_DIR/info/exclude";
+	open my $fh, '<', $exclude_file or croak $!;
+	chomp(my @excludes = (<$fh>));
+	close $fh or croak $!;
+
+	$SVN_URL ||= file_to_s("$GIT_DIR/$GIT_SVN/info/url");
+	chdir $SVN_WC or croak $!;
+	my %ign;
+	File::Find::find({wanted=>sub{if(lstat $_ && -d _ && -d "$_/.svn"){
+		s#^\./##;
+		@{$ign{$_}} = safe_qx(qw(svn propget svn:ignore),$_);
+		}}, no_chdir=>1},'.');
+
+	print "\n# /\n";
+	foreach (@{$ign{'.'}}) { print '/',$_ if /\S/ }
+	delete $ign{'.'};
+	foreach my $i (sort keys %ign) {
+		print "\n# ",$i,"\n";
+		foreach (@{$ign{$i}}) { print '/',$i,'/',$_ if /\S/ }
+	}
+}
+
 ########################### utility functions #########################
 
 sub setup_git_svn {
@@ -566,6 +592,7 @@ sub handle_rmdir {
 sub svn_commit_tree {
 	my ($svn_rev, $commit) = @_;
 	my $commit_msg = "$GIT_DIR/$GIT_SVN/.svn-commit.tmp.$$";
+	my %log_msg = ( msg => '' );
 	open my $msg, '>', $commit_msg  or croak $!;
 
 	chomp(my $type = `git-cat-file -t $commit`);
@@ -581,6 +608,7 @@ sub svn_commit_tree {
 			if (!$in_msg) {
 				$in_msg = 1 if (/^\s*$/);
 			} else {
+				$log_msg{msg} .= $_;
 				print $msg $_ or croak $!;
 			}
 		}
@@ -600,9 +628,30 @@ sub svn_commit_tree {
 			join("\n",@ci_output),"\n";
 	my ($rev_committed) = ($committed =~ /^Committed revision (\d+)\./);
 
-	# resync immediately
-	my @svn_up = (qw(svn up), "-r$svn_rev");
+	my @svn_up = qw(svn up);
 	push @svn_up, '--ignore-externals' unless $_no_ignore_ext;
+	if ($rev_committed == ($svn_rev + 1)) {
+		push @svn_up, "-r$rev_committed";
+		sys(@svn_up);
+		my $info = svn_info('.');
+		my $date = $info->{'Last Changed Date'} or die "Missing date\n";
+		if ($info->{'Last Changed Rev'} != $rev_committed) {
+			croak "$info->{'Last Changed Rev'} != $rev_committed\n"
+		}
+		my ($Y,$m,$d,$H,$M,$S,$tz) = ($date =~
+					/(\d{4})\-(\d\d)\-(\d\d)\s
+					 (\d\d)\:(\d\d)\:(\d\d)\s([\-\+]\d+)/x)
+					 or croak "Failed to parse date: $date\n";
+		$log_msg{date} = "$tz $Y-$m-$d $H:$M:$S";
+		$log_msg{author} = $info->{'Last Changed Author'};
+		$log_msg{revision} = $rev_committed;
+		$log_msg{msg} .= "\n";
+		my $parent = file_to_s("$REV_DIR/$svn_rev");
+		git_commit(\%log_msg, $parent, $commit);
+		return $rev_committed;
+	}
+	# resync immediately
+	push @svn_up, "-r$svn_rev";
 	sys(@svn_up);
 	return fetch("$rev_committed=$commit")->{revision};
 }
@@ -699,7 +748,7 @@ sub svn_info {
 	# only single-lines seem to exist in svn info output
 	while (<$info_fh>) {
 		chomp $_;
-		if (m#^([^:]+)\s*:\s*(\S*)$#) {
+		if (m#^([^:]+)\s*:\s*(\S.*)$#) {
 			$ret->{$1} = $2;
 			push @{$ret->{-order}}, $1;
 		}

contrib/git-svn/git-svn.txt

@@ -61,6 +61,11 @@ rebuild::
 	the directory/repository you're tracking has moved or changed
 	protocols.
 
+show-ignore::
+	Recursively finds and lists the svn:ignore property on
+	directories.  The output is suitable for appending to
+	the $GIT_DIR/info/exclude file.
+
 OPTIONS
 -------
 -r <ARG>::
@@ -152,6 +157,8 @@ Tracking and contributing to an Subversion managed-project:
 	git commit git-svn-HEAD..my-branch
 # Something is committed to SVN, pull the latest into your branch::
 	git-svn fetch && git pull . git-svn-HEAD
+# Append svn:ignore settings to the default git exclude file:
+	git-svn show-ignore >> .git/info/exclude
 
 DESIGN PHILOSOPHY
 -----------------

epoch.c

@@ -15,6 +15,7 @@
 
 #include "cache.h"
 #include "commit.h"
+#include "revision.h"
 #include "epoch.h"
 
 struct fraction {

epoch.h

@@ -11,7 +11,6 @@ typedef int (*emitter_func) (struct commit *);
 int sort_list_in_merge_order(struct commit_list *list, emitter_func emitter);
 
 /* Low bits are used by rev-list */
-#define UNINTERESTING   (1u<<10)
 #define BOUNDARY        (1u<<11)
 #define VISITED         (1u<<12)
 #define DISCONTINUITY   (1u<<13)

exec_cmd.c

@@ -13,7 +13,7 @@ void git_set_exec_path(const char *exec_path)
 
 
 /* Returns the highest-priority, location to look for git programs. */
-const char *git_exec_path()
+const char *git_exec_path(void)
 {
 	const char *env;
 

fetch-pack.c

@@ -82,7 +82,7 @@ static void mark_common(struct commit *commit,
   Get the next rev to send, ignoring the common.
 */
 
-static const unsigned char* get_rev()
+static const unsigned char* get_rev(void)
 {
 	struct commit *commit = NULL;
 

fsck-objects.c

@@ -20,7 +20,7 @@ static int check_strict = 0;
 static int keep_cache_objects = 0; 
 static unsigned char head_sha1[20];
 
-#if NO_D_INO_IN_DIRENT
+#ifdef NO_D_INO_IN_DIRENT
 #define SORT_DIRENT 0
 #define DIRENT_SORT_HINT(de) 0
 #else