1#!/bin/sh
2test_description='compare & swap push force/delete safety'
4. ./test-lib.sh
6setup_srcdst_basic () {
8 rm -fr src dst &&
9 git clone --no-local . src &&
10 git clone --no-local src dst &&
11 (
12 cd src && git checkout HEAD^0
13 )
14}
15test_expect_success setup '
17 # create template repository
18 test_commit A &&
19 test_commit B &&
20 test_commit C
21'
22test_expect_success 'push to update (protected)' '
24 setup_srcdst_basic &&
25 (
26 cd dst &&
27 test_commit D &&
28 test_must_fail git push --force-with-lease=master:master origin master 2>err &&
29 grep "stale info" err
30 ) &&
31 git ls-remote . refs/heads/master >expect &&
32 git ls-remote src refs/heads/master >actual &&
33 test_cmp expect actual
34'
35test_expect_success 'push to update (protected, forced)' '
37 setup_srcdst_basic &&
38 (
39 cd dst &&
40 test_commit D &&
41 git push --force --force-with-lease=master:master origin master 2>err &&
42 grep "forced update" err
43 ) &&
44 git ls-remote dst refs/heads/master >expect &&
45 git ls-remote src refs/heads/master >actual &&
46 test_cmp expect actual
47'
48test_expect_success 'push to update (protected, tracking)' '
50 setup_srcdst_basic &&
51 (
52 cd src &&
53 git checkout master &&
54 test_commit D &&
55 git checkout HEAD^0
56 ) &&
57 git ls-remote src refs/heads/master >expect &&
58 (
59 cd dst &&
60 test_commit E &&
61 git ls-remote . refs/remotes/origin/master >expect &&
62 test_must_fail git push --force-with-lease=master origin master &&
63 git ls-remote . refs/remotes/origin/master >actual &&
64 test_cmp expect actual
65 ) &&
66 git ls-remote src refs/heads/master >actual &&
67 test_cmp expect actual
68'
69test_expect_success 'push to update (protected, tracking, forced)' '
71 setup_srcdst_basic &&
72 (
73 cd src &&
74 git checkout master &&
75 test_commit D &&
76 git checkout HEAD^0
77 ) &&
78 (
79 cd dst &&
80 test_commit E &&
81 git ls-remote . refs/remotes/origin/master >expect &&
82 git push --force --force-with-lease=master origin master
83 ) &&
84 git ls-remote dst refs/heads/master >expect &&
85 git ls-remote src refs/heads/master >actual &&
86 test_cmp expect actual
87'
88test_expect_success 'push to update (allowed)' '
90 setup_srcdst_basic &&
91 (
92 cd dst &&
93 test_commit D &&
94 git push --force-with-lease=master:master^ origin master
95 ) &&
96 git ls-remote dst refs/heads/master >expect &&
97 git ls-remote src refs/heads/master >actual &&
98 test_cmp expect actual
99'
100test_expect_success 'push to update (allowed, tracking)' '
102 setup_srcdst_basic &&
103 (
104 cd dst &&
105 test_commit D &&
106 git push --force-with-lease=master origin master 2>err &&
107 ! grep "forced update" err
108 ) &&
109 git ls-remote dst refs/heads/master >expect &&
110 git ls-remote src refs/heads/master >actual &&
111 test_cmp expect actual
112'
113test_expect_success 'push to update (allowed even though no-ff)' '
115 setup_srcdst_basic &&
116 (
117 cd dst &&
118 git reset --hard HEAD^ &&
119 test_commit D &&
120 git push --force-with-lease=master origin master 2>err &&
121 grep "forced update" err
122 ) &&
123 git ls-remote dst refs/heads/master >expect &&
124 git ls-remote src refs/heads/master >actual &&
125 test_cmp expect actual
126'
127test_expect_success 'push to delete (protected)' '
129 setup_srcdst_basic &&
130 git ls-remote src refs/heads/master >expect &&
131 (
132 cd dst &&
133 test_must_fail git push --force-with-lease=master:master^ origin :master
134 ) &&
135 git ls-remote src refs/heads/master >actual &&
136 test_cmp expect actual
137'
138test_expect_success 'push to delete (protected, forced)' '
140 setup_srcdst_basic &&
141 (
142 cd dst &&
143 git push --force --force-with-lease=master:master^ origin :master
144 ) &&
145 git ls-remote src refs/heads/master >actual &&
146 test_must_be_empty actual
147'
148test_expect_success 'push to delete (allowed)' '
150 setup_srcdst_basic &&
151 (
152 cd dst &&
153 git push --force-with-lease=master origin :master 2>err &&
154 grep deleted err
155 ) &&
156 git ls-remote src refs/heads/master >actual &&
157 test_must_be_empty actual
158'
159test_expect_success 'cover everything with default force-with-lease (protected)' '
161 setup_srcdst_basic &&
162 (
163 cd src &&
164 git branch naster master^
165 ) &&
166 git ls-remote src refs/heads/\* >expect &&
167 (
168 cd dst &&
169 test_must_fail git push --force-with-lease origin master master:naster
170 ) &&
171 git ls-remote src refs/heads/\* >actual &&
172 test_cmp expect actual
173'
174test_expect_success 'cover everything with default force-with-lease (allowed)' '
176 setup_srcdst_basic &&
177 (
178 cd src &&
179 git branch naster master^
180 ) &&
181 (
182 cd dst &&
183 git fetch &&
184 git push --force-with-lease origin master master:naster
185 ) &&
186 git ls-remote dst refs/heads/master |
187 sed -e "s/master/naster/" >expect &&
188 git ls-remote src refs/heads/naster >actual &&
189 test_cmp expect actual
190'
191test_expect_success 'new branch covered by force-with-lease' '
193 setup_srcdst_basic &&
194 (
195 cd dst &&
196 git branch branch master &&
197 git push --force-with-lease=branch origin branch
198 ) &&
199 git ls-remote dst refs/heads/branch >expect &&
200 git ls-remote src refs/heads/branch >actual &&
201 test_cmp expect actual
202'
203test_expect_success 'new branch covered by force-with-lease (explicit)' '
205 setup_srcdst_basic &&
206 (
207 cd dst &&
208 git branch branch master &&
209 git push --force-with-lease=branch: origin branch
210 ) &&
211 git ls-remote dst refs/heads/branch >expect &&
212 git ls-remote src refs/heads/branch >actual &&
213 test_cmp expect actual
214'
215test_expect_success 'new branch already exists' '
217 setup_srcdst_basic &&
218 (
219 cd src &&
220 git checkout -b branch master &&
221 test_commit F
222 ) &&
223 (
224 cd dst &&
225 git branch branch master &&
226 test_must_fail git push --force-with-lease=branch: origin branch
227 )
228'
229test_expect_success 'background updates of REMOTE can be mitigated with a non-updated REMOTE-push' '
231 rm -rf src dst &&
232 git init --bare src.bare &&
233 test_when_finished "rm -rf src.bare" &&
234 git clone --no-local src.bare dst &&
235 test_when_finished "rm -rf dst" &&
236 (
237 cd dst &&
238 test_commit G &&
239 git remote add origin-push ../src.bare &&
240 git push origin-push master:master
241 ) &&
242 git clone --no-local src.bare dst2 &&
243 test_when_finished "rm -rf dst2" &&
244 (
245 cd dst2 &&
246 test_commit H &&
247 git push
248 ) &&
249 (
250 cd dst &&
251 test_commit I &&
252 git fetch origin &&
253 test_must_fail git push --force-with-lease origin-push &&
254 git fetch origin-push &&
255 git push --force-with-lease origin-push
256 )
257'
258test_done