From 6111b934991f3ea670ac2442806c976defc7b61c Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Sun, 15 Nov 2009 18:57:16 -0800
Subject: git svn: attempt to create empty dirs on clone+rebase

We parse unhandled.log files for empty_dir statements and make a
best effort attempt to recreate empty directories on fresh
clones and rebase.  This should cover the majority of cases
where users work off a single branch or for projects where
branches do not differ in empty directories.

Since this cannot affect "normal" git commands like "checkout"
or "reset", so users switching between branches in a single
working directory should use the new "git svn mkdirs" command
after switching branches.

Signed-off-by: Eric Wong <normalperson@yhbt.net>
---
 t/t9115-git-svn-dcommit-funky-renames.sh |  4 +-
 t/t9146-git-svn-empty-dirs.sh            | 85 ++++++++++++++++++++++++++++++++
 2 files changed, 87 insertions(+), 2 deletions(-)
 create mode 100755 t/t9146-git-svn-empty-dirs.sh

(limited to 't')

diff --git a/t/t9115-git-svn-dcommit-funky-renames.sh b/t/t9115-git-svn-dcommit-funky-renames.sh
index 9be7aefaee..767799e7a7 100755
--- a/t/t9115-git-svn-dcommit-funky-renames.sh
+++ b/t/t9115-git-svn-dcommit-funky-renames.sh
@@ -19,7 +19,7 @@ test_expect_success 'init and fetch repository' '
 	'
 
 test_expect_success 'create file in existing ugly and empty dir' '
-	mkdir "#{bad_directory_name}" &&
+	mkdir -p "#{bad_directory_name}" &&
 	echo hi > "#{bad_directory_name}/ foo" &&
 	git update-index --add "#{bad_directory_name}/ foo" &&
 	git commit -m "new file in ugly parent" &&
@@ -37,7 +37,7 @@ test_expect_success 'rename pretty file' '
 	git update-index --add pretty &&
 	git commit -m "pretty :x" &&
 	git svn dcommit &&
-	mkdir regular_dir_name &&
+	mkdir -p regular_dir_name &&
 	git mv pretty regular_dir_name/pretty &&
 	git commit -m "moved pretty file" &&
 	git svn dcommit
diff --git a/t/t9146-git-svn-empty-dirs.sh b/t/t9146-git-svn-empty-dirs.sh
new file mode 100755
index 0000000000..5948544ec5
--- /dev/null
+++ b/t/t9146-git-svn-empty-dirs.sh
@@ -0,0 +1,85 @@
+#!/bin/sh
+#
+# Copyright (c) 2009 Eric Wong
+
+test_description='git svn creates empty directories'
+. ./lib-git-svn.sh
+
+test_expect_success 'initialize repo' '
+	for i in a b c d d/e d/e/f "weird file name"
+	do
+		svn_cmd mkdir -m "mkdir $i" "$svnrepo"/"$i"
+	done
+'
+
+test_expect_success 'clone' 'git svn clone "$svnrepo" cloned'
+
+test_expect_success 'empty directories exist' '
+	(
+		cd cloned &&
+		for i in a b c d d/e d/e/f "weird file name"
+		do
+			if ! test -d "$i"
+			then
+				echo >&2 "$i does not exist"
+				exit 1
+			fi
+		done
+	)
+'
+
+test_expect_success 'more emptiness' '
+	svn_cmd mkdir -m "bang bang"  "$svnrepo"/"! !"
+'
+
+test_expect_success 'git svn rebase creates empty directory' '
+	( cd cloned && git svn rebase )
+	test -d cloned/"! !"
+'
+
+test_expect_success 'git svn mkdirs recreates empty directories' '
+	(
+		cd cloned &&
+		rm -r * &&
+		git svn mkdirs &&
+		for i in a b c d d/e d/e/f "weird file name" "! !"
+		do
+			if ! test -d "$i"
+			then
+				echo >&2 "$i does not exist"
+				exit 1
+			fi
+		done
+	)
+'
+
+test_expect_success 'git svn mkdirs -r works' '
+	(
+		cd cloned &&
+		rm -r * &&
+		git svn mkdirs -r7 &&
+		for i in a b c d d/e d/e/f "weird file name"
+		do
+			if ! test -d "$i"
+			then
+				echo >&2 "$i does not exist"
+				exit 1
+			fi
+		done
+
+		if test -d "! !"
+		then
+			echo >&2 "$i should not exist"
+			exit 1
+		fi
+
+		git svn mkdirs -r8 &&
+		if ! test -d "! !"
+		then
+			echo >&2 "$i not exist"
+			exit 1
+		fi
+	)
+'
+
+test_done
-- 
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