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-rwxr-xr-xt/t5509-fetch-push-namespaces.sh169
1 files changed, 169 insertions, 0 deletions
diff --git a/t/t5509-fetch-push-namespaces.sh b/t/t5509-fetch-push-namespaces.sh
new file mode 100755
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+++ b/t/t5509-fetch-push-namespaces.sh
@@ -0,0 +1,169 @@
+#!/bin/sh
+
+test_description='fetch/push involving ref namespaces'
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+. ./test-lib.sh
+
+test_expect_success setup '
+ git config --global protocol.ext.allow user &&
+ test_tick &&
+ git init original &&
+ (
+ cd original &&
+ echo 0 >count &&
+ git add count &&
+ test_commit 0 &&
+ echo 1 >count &&
+ git add count &&
+ test_commit 1 &&
+ git remote add pushee-namespaced "ext::git --namespace=namespace %s ../pushee" &&
+ git remote add pushee-unnamespaced ../pushee
+ ) &&
+ commit0=$(cd original && git rev-parse HEAD^) &&
+ commit1=$(cd original && git rev-parse HEAD) &&
+ git init --bare pushee &&
+ git init puller
+'
+
+test_expect_success 'pushing into a repository using a ref namespace' '
+ (
+ cd original &&
+ git push pushee-namespaced main &&
+ git ls-remote pushee-namespaced >actual &&
+ printf "$commit1\trefs/heads/main\n" >expected &&
+ test_cmp expected actual &&
+ git push pushee-namespaced --tags &&
+ git ls-remote pushee-namespaced >actual &&
+ printf "$commit0\trefs/tags/0\n" >>expected &&
+ printf "$commit1\trefs/tags/1\n" >>expected &&
+ test_cmp expected actual &&
+ # Verify that the GIT_NAMESPACE environment variable works as well
+ GIT_NAMESPACE=namespace git ls-remote "ext::git %s ../pushee" >actual &&
+ test_cmp expected actual &&
+ # Verify that --namespace overrides GIT_NAMESPACE
+ GIT_NAMESPACE=garbage git ls-remote pushee-namespaced >actual &&
+ test_cmp expected actual &&
+ # Try a namespace with no content
+ git ls-remote "ext::git --namespace=garbage %s ../pushee" >actual &&
+ test_must_be_empty actual &&
+ git ls-remote pushee-unnamespaced >actual &&
+ sed -e "s|refs/|refs/namespaces/namespace/refs/|" expected >expected.unnamespaced &&
+ test_cmp expected.unnamespaced actual
+ )
+'
+
+test_expect_success 'pulling from a repository using a ref namespace' '
+ (
+ cd puller &&
+ git remote add -f pushee-namespaced "ext::git --namespace=namespace %s ../pushee" &&
+ git for-each-ref refs/ >actual &&
+ printf "$commit1 commit\trefs/remotes/pushee-namespaced/main\n" >expected &&
+ printf "$commit0 commit\trefs/tags/0\n" >>expected &&
+ printf "$commit1 commit\trefs/tags/1\n" >>expected &&
+ test_cmp expected actual
+ )
+'
+
+# This test with clone --mirror checks for possible regressions in clone
+# or the machinery underneath it. It ensures that no future change
+# causes clone to ignore refs in refs/namespaces/*. In particular, it
+# protects against a regression caused by any future change to the refs
+# machinery that might cause it to ignore refs outside of refs/heads/*
+# or refs/tags/*. More generally, this test also checks the high-level
+# functionality of using clone --mirror to back up a set of repos hosted
+# in the namespaces of a single repo.
+test_expect_success 'mirroring a repository using a ref namespace' '
+ git clone --mirror pushee mirror &&
+ (
+ cd mirror &&
+ git for-each-ref refs/ >actual &&
+ printf "$commit1 commit\trefs/namespaces/namespace/refs/heads/main\n" >expected &&
+ printf "$commit0 commit\trefs/namespaces/namespace/refs/tags/0\n" >>expected &&
+ printf "$commit1 commit\trefs/namespaces/namespace/refs/tags/1\n" >>expected &&
+ test_cmp expected actual
+ )
+'
+
+test_expect_success 'hide namespaced refs with transfer.hideRefs' '
+ GIT_NAMESPACE=namespace \
+ git -C pushee -c transfer.hideRefs=refs/tags \
+ ls-remote "ext::git %s ." >actual &&
+ printf "$commit1\trefs/heads/main\n" >expected &&
+ test_cmp expected actual
+'
+
+test_expect_success 'check that transfer.hideRefs does not match unstripped refs' '
+ GIT_NAMESPACE=namespace \
+ git -C pushee -c transfer.hideRefs=refs/namespaces/namespace/refs/tags \
+ ls-remote "ext::git %s ." >actual &&
+ printf "$commit1\trefs/heads/main\n" >expected &&
+ printf "$commit0\trefs/tags/0\n" >>expected &&
+ printf "$commit1\trefs/tags/1\n" >>expected &&
+ test_cmp expected actual
+'
+
+test_expect_success 'hide full refs with transfer.hideRefs' '
+ GIT_NAMESPACE=namespace \
+ git -C pushee -c transfer.hideRefs="^refs/namespaces/namespace/refs/tags" \
+ ls-remote "ext::git %s ." >actual &&
+ printf "$commit1\trefs/heads/main\n" >expected &&
+ test_cmp expected actual
+'
+
+test_expect_success 'try to update a hidden ref' '
+ test_config -C pushee transfer.hideRefs refs/heads/main &&
+ test_must_fail git -C original push pushee-namespaced main
+'
+
+test_expect_success 'try to update a ref that is not hidden' '
+ test_config -C pushee transfer.hideRefs refs/namespaces/namespace/refs/heads/main &&
+ git -C original push pushee-namespaced main
+'
+
+test_expect_success 'try to update a hidden full ref' '
+ test_config -C pushee transfer.hideRefs "^refs/namespaces/namespace/refs/heads/main" &&
+ test_must_fail git -C original push pushee-namespaced main
+'
+
+test_expect_success 'set up ambiguous HEAD' '
+ git init ambiguous &&
+ (
+ cd ambiguous &&
+ git commit --allow-empty -m foo &&
+ git update-ref refs/namespaces/ns/refs/heads/one HEAD &&
+ git update-ref refs/namespaces/ns/refs/heads/two HEAD &&
+ git symbolic-ref refs/namespaces/ns/HEAD \
+ refs/namespaces/ns/refs/heads/two
+ )
+'
+
+test_expect_success 'clone chooses correct HEAD (v0)' '
+ GIT_NAMESPACE=ns git -c protocol.version=0 \
+ clone ambiguous ambiguous-v0 &&
+ echo refs/heads/two >expect &&
+ git -C ambiguous-v0 symbolic-ref HEAD >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'clone chooses correct HEAD (v2)' '
+ GIT_NAMESPACE=ns git -c protocol.version=2 \
+ clone ambiguous ambiguous-v2 &&
+ echo refs/heads/two >expect &&
+ git -C ambiguous-v2 symbolic-ref HEAD >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'denyCurrentBranch and unborn branch with ref namespace' '
+ (
+ cd original &&
+ git init unborn &&
+ git remote add unborn-namespaced "ext::git --namespace=namespace %s unborn" &&
+ test_must_fail git push unborn-namespaced HEAD:main &&
+ git -C unborn config receive.denyCurrentBranch updateInstead &&
+ git push unborn-namespaced HEAD:main
+ )
+'
+
+test_done