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1#!/bin/sh
2
3test_description='interpreting exotic branch name arguments
4
5Branch name arguments are usually names which are taken to be inside of
6refs/heads/, but we interpret some magic syntax like @{-1}, @{upstream}, etc.
7This script aims to check the behavior of those corner cases.
8'
9. ./test-lib.sh
10
11expect_branch() {
12 git log -1 --format=%s "$1" >actual &&
13 echo "$2" >expect &&
14 test_cmp expect actual
15}
16
17expect_deleted() {
18 test_must_fail git rev-parse --verify "$1"
19}
20
21test_expect_success 'set up repo' '
22 test_commit one &&
23 test_commit two &&
24 git remote add origin foo.git
25'
26
27test_expect_success 'update branch via @{-1}' '
28 git branch previous one &&
29
30 git checkout previous &&
31 git checkout master &&
32
33 git branch -f @{-1} two &&
34 expect_branch previous two
35'
36
37test_expect_success 'update branch via local @{upstream}' '
38 git branch local one &&
39 git branch --set-upstream-to=local &&
40
41 git branch -f @{upstream} two &&
42 expect_branch local two
43'
44
7d5c960b 45test_expect_success 'disallow updating branch via remote @{upstream}' '
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46 git update-ref refs/remotes/origin/remote one &&
47 git branch --set-upstream-to=origin/remote &&
48
49 test_must_fail git branch -f @{upstream} two
50'
51
52test_expect_success 'create branch with pseudo-qualified name' '
53 git branch refs/heads/qualified two &&
54 expect_branch refs/heads/refs/heads/qualified two
55'
56
57test_expect_success 'delete branch via @{-1}' '
58 git branch previous-del &&
59
60 git checkout previous-del &&
61 git checkout master &&
62
63 git branch -D @{-1} &&
64 expect_deleted previous-del
65'
66
67test_expect_success 'delete branch via local @{upstream}' '
68 git branch local-del &&
69 git branch --set-upstream-to=local-del &&
70
71 git branch -D @{upstream} &&
72 expect_deleted local-del
73'
74
75test_expect_success 'delete branch via remote @{upstream}' '
76 git update-ref refs/remotes/origin/remote-del two &&
77 git branch --set-upstream-to=origin/remote-del &&
78
79 git branch -r -D @{upstream} &&
80 expect_deleted origin/remote-del
81'
82
83# Note that we create two oddly named local branches here. We want to make
84# sure that we do not accidentally delete either of them, even if
85# shorten_unambiguous_ref() tweaks the name to avoid ambiguity.
6b145e01 86test_expect_success 'delete @{upstream} expansion matches -r option' '
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87 git update-ref refs/remotes/origin/remote-del two &&
88 git branch --set-upstream-to=origin/remote-del &&
89 git update-ref refs/heads/origin/remote-del two &&
90 git update-ref refs/heads/remotes/origin/remote-del two &&
91
92 test_must_fail git branch -D @{upstream} &&
93 expect_branch refs/heads/origin/remote-del two &&
94 expect_branch refs/heads/remotes/origin/remote-del two
95'
96
6b145e01 97test_expect_success 'disallow deleting remote branch via @{-1}' '
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98 git update-ref refs/remotes/origin/previous one &&
99
100 git checkout -b origin/previous two &&
101 git checkout master &&
102
103 test_must_fail git branch -r -D @{-1} &&
104 expect_branch refs/remotes/origin/previous one &&
105 expect_branch refs/heads/origin/previous two
106'
107
108# The thing we are testing here is that "@" is the real branch refs/heads/@,
109# and not refs/heads/HEAD. These tests should not imply that refs/heads/@ is a
110# sane thing, but it _is_ technically allowed for now. If we disallow it, these
111# can be switched to test_must_fail.
7d5c960b 112test_expect_success 'create branch named "@"' '
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113 git branch -f @ one &&
114 expect_branch refs/heads/@ one
115'
116
6b145e01 117test_expect_success 'delete branch named "@"' '
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118 git update-ref refs/heads/@ two &&
119 git branch -D @ &&
120 expect_deleted refs/heads/@
121'
122
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123test_expect_success 'checkout does not treat remote @{upstream} as a branch' '
124 git update-ref refs/remotes/origin/checkout one &&
125 git branch --set-upstream-to=origin/checkout &&
126 git update-ref refs/heads/origin/checkout two &&
127 git update-ref refs/heads/remotes/origin/checkout two &&
128
129 git checkout @{upstream} &&
130 expect_branch HEAD one
131'
132
a356e8e2 133test_done