t3404 (rebase -i): introduce helper to check position of HEAD

diff --git a/t/t5520-pull.sh b/t/t5520-pull.sh
index c5a2e66a09b9a871fb97142a58de51097a685ae0..0b489f5b1227268c050c1256d105d57d871f5698 100755 (executable)
--- a/t/t5520-pull.sh
+++ b/t/t5520-pull.sh
@@ -4,6 +4,11 @@ test_description='pulling into void'
 
 . ./test-lib.sh
 
+modify () {
+       sed -e "$1" <"$2" >"$2.x" &&
+       mv "$2.x" "$2"
+}
+
 D=`pwd`
 
 test_expect_success setup '
@@ -26,7 +31,7 @@ cd "$D"
 test_expect_success 'checking the results' '
        test -f file &&
        test -f cloned/file &&
-       diff file cloned/file
+       test_cmp file cloned/file
 '
 
 test_expect_success 'pulling into void using master:master' '
@@ -117,6 +122,19 @@ test_expect_success '--rebase with rebased default upstream' '
 
 '
 
+test_expect_success 'rebased upstream + fetch + pull --rebase' '
+
+       git update-ref refs/remotes/me/copy copy-orig &&
+       git reset --hard to-rebase-orig &&
+       git checkout --track -b to-rebase3 me/copy &&
+       git reset --hard to-rebase-orig &&
+       git fetch &&
+       git pull --rebase &&
+       test "conflicting modification" = "$(cat file)" &&
+       test file = "$(cat file2)"
+
+'
+
 test_expect_success 'pull --rebase dies early with dirty working directory' '
 
        git checkout to-rebase &&
@@ -136,4 +154,72 @@ test_expect_success 'pull --rebase dies early with dirty working directory' '
 
 '
 
+test_expect_success 'pull --rebase works on branch yet to be born' '
+       git rev-parse master >expect &&
+       mkdir empty_repo &&
+       (cd empty_repo &&
+        git init &&
+        git pull --rebase .. master &&
+        git rev-parse HEAD >../actual
+       ) &&
+       test_cmp expect actual
+'
+
+test_expect_success 'setup for detecting upstreamed changes' '
+       mkdir src &&
+       (cd src &&
+        git init &&
+        printf "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n" > stuff &&
+        git add stuff &&
+        git commit -m "Initial revision"
+       ) &&
+       git clone src dst &&
+       (cd src &&
+        modify s/5/43/ stuff &&
+        git commit -a -m "5->43" &&
+        modify s/6/42/ stuff &&
+        git commit -a -m "Make it bigger"
+       ) &&
+       (cd dst &&
+        modify s/5/43/ stuff &&
+        git commit -a -m "Independent discovery of 5->43"
+       )
+'
+
+test_expect_success 'git pull --rebase detects upstreamed changes' '
+       (cd dst &&
+        git pull --rebase &&
+        test -z "$(git ls-files -u)"
+       )
+'
+
+test_expect_success 'setup for avoiding reapplying old patches' '
+       (cd dst &&
+        test_might_fail git rebase --abort &&
+        git reset --hard origin/master
+       ) &&
+       git clone --bare src src-replace.git &&
+       rm -rf src &&
+       mv src-replace.git src &&
+       (cd dst &&
+        modify s/2/22/ stuff &&
+        git commit -a -m "Change 2" &&
+        modify s/3/33/ stuff &&
+        git commit -a -m "Change 3" &&
+        modify s/4/44/ stuff &&
+        git commit -a -m "Change 4" &&
+        git push &&
+
+        modify s/44/55/ stuff &&
+        git commit --amend -a -m "Modified Change 4"
+       )
+'
+
+test_expect_success 'git pull --rebase does not reapply old patches' '
+       (cd dst &&
+        test_must_fail git pull --rebase &&
+        test 1 = $(find .git/rebase-apply -name "000*" | wc -l)
+       )
+'
+
 test_done