)
'
+test_expect_success 'receive.denyCurrentBranch = updateInstead' '
+ git push testrepo master &&
+ (
+ cd testrepo &&
+ git reset --hard &&
+ git config receive.denyCurrentBranch updateInstead
+ ) &&
+ test_commit third path2 &&
+
+ # Try pushing into a repository with pristine working tree
+ git push testrepo master &&
+ (
+ cd testrepo &&
+ git update-index -q --refresh &&
+ git diff-files --quiet -- &&
+ git diff-index --quiet --cached HEAD -- &&
+ test third = "$(cat path2)" &&
+ test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
+ ) &&
+
+ # Try pushing into a repository with working tree needing a refresh
+ (
+ cd testrepo &&
+ git reset --hard HEAD^ &&
+ test $(git -C .. rev-parse HEAD^) = $(git rev-parse HEAD) &&
+ test-chmtime +100 path1
+ ) &&
+ git push testrepo master &&
+ (
+ cd testrepo &&
+ git update-index -q --refresh &&
+ git diff-files --quiet -- &&
+ git diff-index --quiet --cached HEAD -- &&
+ test_cmp ../path1 path1 &&
+ test third = "$(cat path2)" &&
+ test $(git -C .. rev-parse HEAD) = $(git rev-parse HEAD)
+ ) &&
+
+ # Update what is to be pushed
+ test_commit fourth path2 &&
+
+ # Try pushing into a repository with a dirty working tree
+ # (1) the working tree updated
+ (
+ cd testrepo &&
+ echo changed >path1
+ ) &&
+ test_must_fail git push testrepo master &&
+ (
+ cd testrepo &&
+ test $(git -C .. rev-parse HEAD^) = $(git rev-parse HEAD) &&
+ git diff --quiet --cached &&
+ test changed = "$(cat path1)"
+ ) &&
+
+ # (2) the index updated
+ (
+ cd testrepo &&
+ echo changed >path1 &&
+ git add path1
+ ) &&
+ test_must_fail git push testrepo master &&
+ (
+ cd testrepo &&
+ test $(git -C .. rev-parse HEAD^) = $(git rev-parse HEAD) &&
+ git diff --quiet &&
+ test changed = "$(cat path1)"
+ ) &&
+
+ # Introduce a new file in the update
+ test_commit fifth path3 &&
+
+ # (3) the working tree has an untracked file that would interfere
+ (
+ cd testrepo &&
+ git reset --hard &&
+ echo changed >path3
+ ) &&
+ test_must_fail git push testrepo master &&
+ (
+ cd testrepo &&
+ test $(git -C .. rev-parse HEAD^^) = $(git rev-parse HEAD) &&
+ git diff --quiet &&
+ git diff --quiet --cached &&
+ test changed = "$(cat path3)"
+ ) &&
+
+ # (4) the target changes to what gets pushed but it still is a change
+ (
+ cd testrepo &&
+ git reset --hard &&
+ echo fifth >path3 &&
+ git add path3
+ ) &&
+ test_must_fail git push testrepo master &&
+ (
+ cd testrepo &&
+ test $(git -C .. rev-parse HEAD^^) = $(git rev-parse HEAD) &&
+ git diff --quiet &&
+ test fifth = "$(cat path3)"
+ )
+
+'
+
test_done