update-index: do not die too early in a read-only repository.

diff --git a/t/t7201-co.sh b/t/t7201-co.sh
index b64e8b7d773f9503c7a5b0e80945be60f71e345f..867bbd26cbbacbe03ef76cadb6ff34976c324da5 100755 (executable)
--- a/t/t7201-co.sh
+++ b/t/t7201-co.sh
@@ -14,15 +14,23 @@ fill () {
        done
 }
 
+
 test_expect_success setup '
 
-       fill 1 2 3 4 5 >one &&
+       fill 1 2 3 4 5 6 7 8 >one &&
        fill a b c d e >two &&
        git add one two &&
        git commit -m "Initial A one, A two" &&
 
-       git checkout -b side &&
-       fill 1 2 3 >one &&
+       git checkout -b renamer &&
+       rm -f one &&
+       fill 1 3 4 5 6 7 8 >uno &&
+       git add uno &&
+       fill a b c d e f >two &&
+       git commit -a -m "Renamer R one->uno, M two" &&
+
+       git checkout -b side master &&
+       fill 1 2 3 4 5 6 7 >one &&
        fill A B C D E >three &&
        rm -f two &&
        git update-index --add --remove one two three &&
@@ -31,9 +39,18 @@ test_expect_success setup '
        git checkout master
 '
 
+test_expect_success "checkout from non-existing branch" '
+
+       git checkout -b delete-me master &&
+       rm .git/refs/heads/delete-me &&
+       test refs/heads/delete-me = "$(git symbolic-ref HEAD)" &&
+       git checkout master &&
+       test refs/heads/master = "$(git symbolic-ref HEAD)"
+'
+
 test_expect_success "checkout with dirty tree without -m" '
 
-       fill 0 1 2 3 4 5 >one &&
+       fill 0 1 2 3 4 5 6 7 8 >one &&
        if git checkout side
        then
                echo Not happy
@@ -49,12 +66,10 @@ test_expect_success "checkout -m with dirty tree" '
        git checkout -f master &&
        git clean &&
 
-       fill 0 1 2 3 4 5 >one &&
+       fill 0 1 2 3 4 5 6 7 8 >one &&
        git checkout -m side &&
 
-       fill "  master" "* side" >expect.branch &&
-       git branch >current.branch &&
-       diff expect.branch current.branch &&
+       test "$(git symbolic-ref HEAD)" = "refs/heads/side" &&
 
        fill "M one" "A three" "D       two" >expect.master &&
        git diff --name-status master >current.master &&
@@ -69,4 +84,49 @@ test_expect_success "checkout -m with dirty tree" '
        diff expect.index current.index
 '
 
+test_expect_success "checkout -m with dirty tree, renamed" '
+
+       git checkout -f master && git clean &&
+
+       fill 1 2 3 4 5 7 8 >one &&
+       if git checkout renamer
+       then
+               echo Not happy
+               false
+       else
+               echo "happy - failed correctly"
+       fi &&
+
+       git checkout -m renamer &&
+       fill 1 3 4 5 7 8 >expect &&
+       diff expect uno &&
+       ! test -f one &&
+       git diff --cached >current &&
+       ! test -s current
+
+'
+
+test_expect_success 'checkout -m with merge conflict' '
+
+       git checkout -f master && git clean &&
+
+       fill 1 T 3 4 5 6 S 8 >one &&
+       if git checkout renamer
+       then
+               echo Not happy
+               false
+       else
+               echo "happy - failed correctly"
+       fi &&
+
+       git checkout -m renamer &&
+
+       git diff master:one :3:uno |
+       sed -e "1,/^@@/d" -e "/^ /d" -e "s/^-/d/" -e "s/^+/a/" >current &&
+       fill d2 aT d7 aS >expect &&
+       diff current expect &&
+       git diff --cached two >current &&
+       ! test -s current
+'
+
 test_done