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-rwxr-xr-xthird_party/git/t/t1507-rev-parse-upstream.sh257
1 files changed, 257 insertions, 0 deletions
diff --git a/third_party/git/t/t1507-rev-parse-upstream.sh b/third_party/git/t/t1507-rev-parse-upstream.sh
new file mode 100755
index 000000000000..fa3e4996418d
--- /dev/null
+++ b/third_party/git/t/t1507-rev-parse-upstream.sh
@@ -0,0 +1,257 @@
+#!/bin/sh
+
+test_description='test <branch>@{upstream} syntax'
+
+. ./test-lib.sh
+
+
+test_expect_success 'setup' '
+
+	test_commit 1 &&
+	git checkout -b side &&
+	test_commit 2 &&
+	git checkout master &&
+	git clone . clone &&
+	test_commit 3 &&
+	(cd clone &&
+	 test_commit 4 &&
+	 git branch --track my-side origin/side &&
+	 git branch --track local-master master &&
+	 git branch --track fun@ny origin/side &&
+	 git branch --track @funny origin/side &&
+	 git branch --track funny@ origin/side &&
+	 git remote add -t master master-only .. &&
+	 git fetch master-only &&
+	 git branch bad-upstream &&
+	 git config branch.bad-upstream.remote master-only &&
+	 git config branch.bad-upstream.merge refs/heads/side
+	)
+'
+
+sq="'"
+
+full_name () {
+	(cd clone &&
+	 git rev-parse --symbolic-full-name "$@")
+}
+
+commit_subject () {
+	(cd clone &&
+	 git show -s --pretty=format:%s "$@")
+}
+
+error_message () {
+	(cd clone &&
+	 test_must_fail git rev-parse --verify "$@" 2>../error)
+}
+
+test_expect_success '@{upstream} resolves to correct full name' '
+	test refs/remotes/origin/master = "$(full_name @{upstream})" &&
+	test refs/remotes/origin/master = "$(full_name @{UPSTREAM})" &&
+	test refs/remotes/origin/master = "$(full_name @{UpSTReam})"
+'
+
+test_expect_success '@{u} resolves to correct full name' '
+	test refs/remotes/origin/master = "$(full_name @{u})" &&
+	test refs/remotes/origin/master = "$(full_name @{U})"
+'
+
+test_expect_success 'my-side@{upstream} resolves to correct full name' '
+	test refs/remotes/origin/side = "$(full_name my-side@{u})"
+'
+
+test_expect_success 'upstream of branch with @ in middle' '
+	full_name fun@ny@{u} >actual &&
+	echo refs/remotes/origin/side >expect &&
+	test_cmp expect actual &&
+	full_name fun@ny@{U} >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'upstream of branch with @ at start' '
+	full_name @funny@{u} >actual &&
+	echo refs/remotes/origin/side >expect &&
+	test_cmp expect actual
+'
+
+test_expect_success 'upstream of branch with @ at end' '
+	full_name funny@@{u} >actual &&
+	echo refs/remotes/origin/side >expect &&
+	test_cmp expect actual
+'
+
+test_expect_success 'refs/heads/my-side@{upstream} does not resolve to my-side{upstream}' '
+	test_must_fail full_name refs/heads/my-side@{upstream}
+'
+
+test_expect_success 'my-side@{u} resolves to correct commit' '
+	git checkout side &&
+	test_commit 5 &&
+	(cd clone && git fetch) &&
+	test 2 = "$(commit_subject my-side)" &&
+	test 5 = "$(commit_subject my-side@{u})"
+'
+
+test_expect_success 'not-tracking@{u} fails' '
+	test_must_fail full_name non-tracking@{u} &&
+	(cd clone && git checkout --no-track -b non-tracking) &&
+	test_must_fail full_name non-tracking@{u}
+'
+
+test_expect_success '<branch>@{u}@{1} resolves correctly' '
+	test_commit 6 &&
+	(cd clone && git fetch) &&
+	test 5 = $(commit_subject my-side@{u}@{1}) &&
+	test 5 = $(commit_subject my-side@{U}@{1})
+'
+
+test_expect_success '@{u} without specifying branch fails on a detached HEAD' '
+	git checkout HEAD^0 &&
+	test_must_fail git rev-parse @{u} &&
+	test_must_fail git rev-parse @{U}
+'
+
+test_expect_success 'checkout -b new my-side@{u} forks from the same' '
+(
+	cd clone &&
+	git checkout -b new my-side@{u} &&
+	git rev-parse --symbolic-full-name my-side@{u} >expect &&
+	git rev-parse --symbolic-full-name new@{u} >actual &&
+	test_cmp expect actual
+)
+'
+
+test_expect_success 'merge my-side@{u} records the correct name' '
+(
+	cd clone &&
+	git checkout master &&
+	test_might_fail git branch -D new &&
+	git branch -t new my-side@{u} &&
+	git merge -s ours new@{u} &&
+	git show -s --pretty=tformat:%s >actual &&
+	echo "Merge remote-tracking branch ${sq}origin/side${sq}" >expect &&
+	test_cmp expect actual
+)
+'
+
+test_expect_success 'branch -d other@{u}' '
+	git checkout -t -b other master &&
+	git branch -d @{u} &&
+	git for-each-ref refs/heads/master >actual &&
+	test_must_be_empty actual
+'
+
+test_expect_success 'checkout other@{u}' '
+	git branch -f master HEAD &&
+	git checkout -t -b another master &&
+	git checkout @{u} &&
+	git symbolic-ref HEAD >actual &&
+	echo refs/heads/master >expect &&
+	test_cmp expect actual
+'
+
+test_expect_success 'branch@{u} works when tracking a local branch' '
+	test refs/heads/master = "$(full_name local-master@{u})"
+'
+
+test_expect_success 'branch@{u} error message when no upstream' '
+	cat >expect <<-EOF &&
+	fatal: no upstream configured for branch ${sq}non-tracking${sq}
+	EOF
+	error_message non-tracking@{u} &&
+	test_i18ncmp expect error
+'
+
+test_expect_success '@{u} error message when no upstream' '
+	cat >expect <<-EOF &&
+	fatal: no upstream configured for branch ${sq}master${sq}
+	EOF
+	test_must_fail git rev-parse --verify @{u} 2>actual &&
+	test_i18ncmp expect actual
+'
+
+test_expect_success 'branch@{u} error message with misspelt branch' '
+	cat >expect <<-EOF &&
+	fatal: no such branch: ${sq}no-such-branch${sq}
+	EOF
+	error_message no-such-branch@{u} &&
+	test_i18ncmp expect error
+'
+
+test_expect_success '@{u} error message when not on a branch' '
+	cat >expect <<-EOF &&
+	fatal: HEAD does not point to a branch
+	EOF
+	git checkout HEAD^0 &&
+	test_must_fail git rev-parse --verify @{u} 2>actual &&
+	test_i18ncmp expect actual
+'
+
+test_expect_success 'branch@{u} error message if upstream branch not fetched' '
+	cat >expect <<-EOF &&
+	fatal: upstream branch ${sq}refs/heads/side${sq} not stored as a remote-tracking branch
+	EOF
+	error_message bad-upstream@{u} &&
+	test_i18ncmp expect error
+'
+
+test_expect_success 'pull works when tracking a local branch' '
+(
+	cd clone &&
+	git checkout local-master &&
+	git pull
+)
+'
+
+# makes sense if the previous one succeeded
+test_expect_success '@{u} works when tracking a local branch' '
+	test refs/heads/master = "$(full_name @{u})"
+'
+
+commit=$(git rev-parse HEAD)
+cat >expect <<EOF
+commit $commit
+Reflog: master@{0} (C O Mitter <committer@example.com>)
+Reflog message: branch: Created from HEAD
+Author: A U Thor <author@example.com>
+Date:   Thu Apr 7 15:15:13 2005 -0700
+
+    3
+EOF
+test_expect_success 'log -g other@{u}' '
+	git log -1 -g other@{u} >actual &&
+	test_cmp expect actual
+'
+
+cat >expect <<EOF
+commit $commit
+Reflog: master@{Thu Apr 7 15:17:13 2005 -0700} (C O Mitter <committer@example.com>)
+Reflog message: branch: Created from HEAD
+Author: A U Thor <author@example.com>
+Date:   Thu Apr 7 15:15:13 2005 -0700
+
+    3
+EOF
+
+test_expect_success 'log -g other@{u}@{now}' '
+	git log -1 -g other@{u}@{now} >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success '@{reflog}-parsing does not look beyond colon' '
+	echo content >@{yesterday} &&
+	git add @{yesterday} &&
+	git commit -m "funny reflog file" &&
+	git hash-object @{yesterday} >expect &&
+	git rev-parse HEAD:@{yesterday} >actual
+'
+
+test_expect_success '@{upstream}-parsing does not look beyond colon' '
+	echo content >@{upstream} &&
+	git add @{upstream} &&
+	git commit -m "funny upstream file" &&
+	git hash-object @{upstream} >expect &&
+	git rev-parse HEAD:@{upstream} >actual
+'
+
+test_done