From: Junio C Hamano <gitster@pobox.com>
Date: Mon, 2 May 2011 22:58:36 +0000 (-0700)
Subject: Merge branch 'nm/submodule-update-force'
X-Git-Tag: v1.7.6-rc0~124
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=0d405d72f5ffb499b40dd3a95886ae5a1fc13b30;p=git.git

Merge branch 'nm/submodule-update-force'

* nm/submodule-update-force:
  submodule: Add --force option for git submodule update

Conflicts:
	t/t7406-submodule-update.sh
---

0d405d72f5ffb499b40dd3a95886ae5a1fc13b30
diff --cc t/t7406-submodule-update.sh
index bf7c78873,5d24d9ff7..4f16fcce2
--- a/t/t7406-submodule-update.sh
+++ b/t/t7406-submodule-update.sh
@@@ -74,26 -74,29 +74,49 @@@ test_expect_success 'submodule update d
  	)
  '
  
 +apos="'";
 +test_expect_success 'submodule update does not fetch already present commits' '
 +	(cd submodule &&
 +	  echo line3 >> file &&
 +	  git add file &&
 +	  test_tick &&
 +	  git commit -m "upstream line3"
 +	) &&
 +	(cd super/submodule &&
 +	  head=$(git rev-parse --verify HEAD) &&
 +	  echo "Submodule path ${apos}submodule$apos: checked out $apos$head$apos" > ../../expected &&
 +	  git reset --hard HEAD~1
 +	) &&
 +	(cd super &&
 +	  git submodule update > ../actual 2> ../actual.err
 +	) &&
 +	test_cmp expected actual &&
 +	! test -s actual.err
 +'
 +
+ test_expect_success 'submodule update should fail due to local changes' '
+ 	(cd super/submodule &&
+ 	 git reset --hard HEAD~1 &&
+ 	 echo "local change" > file
+ 	) &&
+ 	(cd super &&
+ 	 (cd submodule &&
+ 	  compare_head
+ 	 ) &&
+ 	 test_must_fail git submodule update submodule
+ 	)
+ '
+ test_expect_success 'submodule update should throw away changes with --force ' '
+ 	(cd super &&
+ 	 (cd submodule &&
+ 	  compare_head
+ 	 ) &&
+ 	 git submodule update --force submodule &&
+ 	 cd submodule &&
+ 	 ! compare_head
+ 	)
+ '
+ 
  test_expect_success 'submodule update --rebase staying on master' '
  	(cd super/submodule &&
  	  git checkout master