1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
|
#!/bin/sh
#
# Copyright (c) 2020 Jiang Xin
#
test_description='Test git push porcelain output'
. ./test-lib.sh
# Create commits in <repo> and assign each commit's oid to shell variables
# given in the arguments (A, B, and C). E.g.:
#
# create_commits_in <repo> A B C
#
# NOTE: Never calling this function from a subshell since variable
# assignments will disappear when subshell exits.
create_commits_in () {
repo="$1" && test -d "$repo" ||
error "Repository $repo does not exist."
shift &&
while test $# -gt 0
do
name=$1 &&
shift &&
test_commit -C "$repo" --no-tag "$name" &&
eval $name=$(git -C "$repo" rev-parse HEAD)
done
}
get_abbrev_oid () {
oid=$1 &&
suffix=${oid#???????} &&
oid=${oid%$suffix} &&
if test -n "$oid"
then
echo "$oid"
else
echo "undefined-oid"
fi
}
# Format the output of git-push, git-show-ref and other commands to make a
# user-friendly and stable text. We can easily prepare the expect text
# without having to worry about future changes of the commit ID and spaces
# of the output.
make_user_friendly_and_stable_output () {
sed \
-e "s/$(get_abbrev_oid $A)[0-9a-f]*/<COMMIT-A>/g" \
-e "s/$(get_abbrev_oid $B)[0-9a-f]*/<COMMIT-B>/g" \
-e "s/$ZERO_OID/<ZERO-OID>/g" \
-e "s#To $URL_PREFIX/upstream.git#To <URL/of/upstream.git>#"
}
format_and_save_expect () {
sed -e 's/^> //' -e 's/Z$//' >expect
}
setup_upstream_and_workbench () {
# Upstream after setup : main(B) foo(A) bar(A) baz(A)
# Workbench after setup : main(A)
test_expect_success "setup upstream repository and workbench" '
rm -rf upstream.git workbench &&
git init --bare upstream.git &&
git init workbench &&
create_commits_in workbench A B &&
(
cd workbench &&
# Try to make a stable fixed width for abbreviated commit ID,
# this fixed-width oid will be replaced with "<OID>".
git config core.abbrev 7 &&
git remote add origin ../upstream.git &&
git update-ref refs/heads/main $A &&
git push origin \
$B:refs/heads/main \
$A:refs/heads/foo \
$A:refs/heads/bar \
$A:refs/heads/baz
) &&
git -C "workbench" config advice.pushUpdateRejected false &&
upstream=upstream.git
'
}
run_git_push_porcelain_output_test() {
case $1 in
http)
PROTOCOL="HTTP protocol"
URL_PREFIX="http://.*"
;;
file)
PROTOCOL="builtin protocol"
URL_PREFIX="\.\."
;;
esac
# Refs of upstream : main(B) foo(A) bar(A) baz(A)
# Refs of workbench: main(A) baz(A) next(A)
# git-push : main(A) NULL (B) baz(A) next(A)
test_expect_success "porcelain output of successful git-push ($PROTOCOL)" '
(
cd workbench &&
git update-ref refs/heads/main $A &&
git update-ref refs/heads/baz $A &&
git update-ref refs/heads/next $A &&
git push --porcelain --force origin \
main \
:refs/heads/foo \
$B:bar \
baz \
next
) >out &&
make_user_friendly_and_stable_output <out >actual &&
format_and_save_expect <<-EOF &&
> To <URL/of/upstream.git>
> = refs/heads/baz:refs/heads/baz [up to date]
> <COMMIT-B>:refs/heads/bar <COMMIT-A>..<COMMIT-B>
> - :refs/heads/foo [deleted]
> + refs/heads/main:refs/heads/main <COMMIT-B>...<COMMIT-A> (forced update)
> * refs/heads/next:refs/heads/next [new branch]
> Done
EOF
test_cmp expect actual &&
git -C "$upstream" show-ref >out &&
make_user_friendly_and_stable_output <out >actual &&
cat >expect <<-EOF &&
<COMMIT-B> refs/heads/bar
<COMMIT-A> refs/heads/baz
<COMMIT-A> refs/heads/main
<COMMIT-A> refs/heads/next
EOF
test_cmp expect actual
'
# Refs of upstream : main(A) bar(B) baz(A) next(A)
# Refs of workbench: main(B) bar(A) baz(A) next(A)
# git-push : main(B) bar(A) NULL next(A)
test_expect_success "atomic push failed ($PROTOCOL)" '
(
cd workbench &&
git update-ref refs/heads/main $B &&
git update-ref refs/heads/bar $A &&
test_must_fail git push --atomic --porcelain origin \
main \
bar \
:baz \
next
) >out &&
make_user_friendly_and_stable_output <out >actual &&
format_and_save_expect <<-EOF &&
To <URL/of/upstream.git>
> = refs/heads/next:refs/heads/next [up to date]
> ! refs/heads/bar:refs/heads/bar [rejected] (non-fast-forward)
> ! (delete):refs/heads/baz [rejected] (atomic push failed)
> ! refs/heads/main:refs/heads/main [rejected] (atomic push failed)
Done
EOF
test_cmp expect actual &&
git -C "$upstream" show-ref >out &&
make_user_friendly_and_stable_output <out >actual &&
cat >expect <<-EOF &&
<COMMIT-B> refs/heads/bar
<COMMIT-A> refs/heads/baz
<COMMIT-A> refs/heads/main
<COMMIT-A> refs/heads/next
EOF
test_cmp expect actual
'
test_expect_success "prepare pre-receive hook ($PROTOCOL)" '
test_hook --setup -C "$upstream" pre-receive <<-EOF
exit 1
EOF
'
# Refs of upstream : main(A) bar(B) baz(A) next(A)
# Refs of workbench: main(B) bar(A) baz(A) next(A)
# git-push : main(B) bar(A) NULL next(A)
test_expect_success "pre-receive hook declined ($PROTOCOL)" '
(
cd workbench &&
git update-ref refs/heads/main $B &&
git update-ref refs/heads/bar $A &&
test_must_fail git push --porcelain --force origin \
main \
bar \
:baz \
next
) >out &&
make_user_friendly_and_stable_output <out >actual &&
format_and_save_expect <<-EOF &&
To <URL/of/upstream.git>
> = refs/heads/next:refs/heads/next [up to date]
> ! refs/heads/bar:refs/heads/bar [remote rejected] (pre-receive hook declined)
> ! :refs/heads/baz [remote rejected] (pre-receive hook declined)
> ! refs/heads/main:refs/heads/main [remote rejected] (pre-receive hook declined)
Done
EOF
test_cmp expect actual &&
git -C "$upstream" show-ref >out &&
make_user_friendly_and_stable_output <out >actual &&
cat >expect <<-EOF &&
<COMMIT-B> refs/heads/bar
<COMMIT-A> refs/heads/baz
<COMMIT-A> refs/heads/main
<COMMIT-A> refs/heads/next
EOF
test_cmp expect actual
'
test_expect_success "remove pre-receive hook ($PROTOCOL)" '
rm "$upstream/hooks/pre-receive"
'
# Refs of upstream : main(A) bar(B) baz(A) next(A)
# Refs of workbench: main(B) bar(A) baz(A) next(A)
# git-push : main(B) bar(A) NULL next(A)
test_expect_success "non-fastforward push ($PROTOCOL)" '
(
cd workbench &&
test_must_fail git push --porcelain origin \
main \
bar \
:baz \
next
) >out &&
make_user_friendly_and_stable_output <out >actual &&
format_and_save_expect <<-EOF &&
To <URL/of/upstream.git>
> = refs/heads/next:refs/heads/next [up to date]
> - :refs/heads/baz [deleted]
> refs/heads/main:refs/heads/main <COMMIT-A>..<COMMIT-B>
> ! refs/heads/bar:refs/heads/bar [rejected] (non-fast-forward)
Done
EOF
test_cmp expect actual &&
git -C "$upstream" show-ref >out &&
make_user_friendly_and_stable_output <out >actual &&
cat >expect <<-EOF &&
<COMMIT-B> refs/heads/bar
<COMMIT-B> refs/heads/main
<COMMIT-A> refs/heads/next
EOF
test_cmp expect actual
'
}
# Initialize the upstream repository and local workbench.
setup_upstream_and_workbench
# Run git-push porcelain test on builtin protocol
run_git_push_porcelain_output_test file
ROOT_PATH="$PWD"
. "$TEST_DIRECTORY"/lib-gpg.sh
. "$TEST_DIRECTORY"/lib-httpd.sh
. "$TEST_DIRECTORY"/lib-terminal.sh
start_httpd
# Re-initialize the upstream repository and local workbench.
setup_upstream_and_workbench
test_expect_success "setup for http" '
git -C upstream.git config http.receivepack true &&
upstream="$HTTPD_DOCUMENT_ROOT_PATH/upstream.git" &&
mv upstream.git "$upstream" &&
git -C workbench remote set-url origin $HTTPD_URL/smart/upstream.git
'
setup_askpass_helper
# Run git-push porcelain test on HTTP protocol
run_git_push_porcelain_output_test http
test_done
|
