1#!/bin/sh
2
3test_description='Test reflog display routines'
4GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
5export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
6
7. ./test-lib.sh
8
9test_expect_success 'setup' '
10	echo content >file &&
11	git add file &&
12	test_tick &&
13	git commit -m one
14'
15
16commit=$(git rev-parse --short HEAD)
17cat >expect <<'EOF'
18Reflog: HEAD@{0} (C O Mitter <committer@example.com>)
19Reflog message: commit (initial): one
20EOF
21test_expect_success 'log -g shows reflog headers' '
22	git log -g -1 >tmp &&
23	grep ^Reflog <tmp >actual &&
24	test_cmp expect actual
25'
26
27cat >expect <<EOF
28$commit HEAD@{0}: commit (initial): one
29EOF
30test_expect_success 'oneline reflog format' '
31	git log -g -1 --oneline >actual &&
32	test_cmp expect actual
33'
34
35test_expect_success 'reflog default format' '
36	git reflog -1 >actual &&
37	test_cmp expect actual
38'
39
40cat >expect <<EOF
41commit $commit
42Reflog: HEAD@{0} (C O Mitter <committer@example.com>)
43Reflog message: commit (initial): one
44Author: A U Thor <author@example.com>
45
46    one
47EOF
48test_expect_success 'override reflog default format' '
49	git reflog --format=short -1 >actual &&
50	test_cmp expect actual
51'
52
53cat >expect <<'EOF'
54Reflog: HEAD@{Thu Apr 7 15:13:13 2005 -0700} (C O Mitter <committer@example.com>)
55Reflog message: commit (initial): one
56EOF
57test_expect_success 'using @{now} syntax shows reflog date (multiline)' '
58	git log -g -1 HEAD@{now} >tmp &&
59	grep ^Reflog <tmp >actual &&
60	test_cmp expect actual
61'
62
63cat >expect <<EOF
64$commit HEAD@{Thu Apr 7 15:13:13 2005 -0700}: commit (initial): one
65EOF
66test_expect_success 'using @{now} syntax shows reflog date (oneline)' '
67	git log -g -1 --oneline HEAD@{now} >actual &&
68	test_cmp expect actual
69'
70
71cat >expect <<'EOF'
72HEAD@{Thu Apr 7 15:13:13 2005 -0700}
73EOF
74test_expect_success 'using @{now} syntax shows reflog date (format=%gd)' '
75	git log -g -1 --format=%gd HEAD@{now} >actual &&
76	test_cmp expect actual
77'
78
79cat >expect <<'EOF'
80Reflog: HEAD@{Thu Apr 7 15:13:13 2005 -0700} (C O Mitter <committer@example.com>)
81Reflog message: commit (initial): one
82EOF
83test_expect_success 'using --date= shows reflog date (multiline)' '
84	git log -g -1 --date=default >tmp &&
85	grep ^Reflog <tmp >actual &&
86	test_cmp expect actual
87'
88
89cat >expect <<EOF
90$commit HEAD@{Thu Apr 7 15:13:13 2005 -0700}: commit (initial): one
91EOF
92test_expect_success 'using --date= shows reflog date (oneline)' '
93	git log -g -1 --oneline --date=default >actual &&
94	test_cmp expect actual
95'
96
97cat >expect <<'EOF'
98HEAD@{1112911993 -0700}
99EOF
100test_expect_success 'using --date= shows reflog date (format=%gd)' '
101	git log -g -1 --format=%gd --date=raw >actual &&
102	test_cmp expect actual
103'
104
105cat >expect <<'EOF'
106Reflog: HEAD@{0} (C O Mitter <committer@example.com>)
107Reflog message: commit (initial): one
108EOF
109test_expect_success 'log.date does not invoke "--date" magic (multiline)' '
110	test_config log.date raw &&
111	git log -g -1 >tmp &&
112	grep ^Reflog <tmp >actual &&
113	test_cmp expect actual
114'
115
116cat >expect <<EOF
117$commit HEAD@{0}: commit (initial): one
118EOF
119test_expect_success 'log.date does not invoke "--date" magic (oneline)' '
120	test_config log.date raw &&
121	git log -g -1 --oneline >actual &&
122	test_cmp expect actual
123'
124
125cat >expect <<'EOF'
126HEAD@{0}
127EOF
128test_expect_success 'log.date does not invoke "--date" magic (format=%gd)' '
129	test_config log.date raw &&
130	git log -g -1 --format=%gd >actual &&
131	test_cmp expect actual
132'
133
134cat >expect <<'EOF'
135HEAD@{0}
136EOF
137test_expect_success '--date magic does not override explicit @{0} syntax' '
138	git log -g -1 --format=%gd --date=raw HEAD@{0} >actual &&
139	test_cmp expect actual
140'
141
142test_expect_success 'empty reflog file' '
143	git branch empty &&
144	git reflog expire --expire=all refs/heads/empty &&
145
146	git log -g empty >actual &&
147	test_must_be_empty actual
148'
149
150# This guards against the alternative of showing the diffs vs. the
151# reflog ancestor.  The reflog used is designed to list the commits
152# more than once, so as to exercise the corresponding logic.
153test_expect_success 'git log -g -p shows diffs vs. parents' '
154	test_commit two &&
155	git branch flipflop &&
156	git update-ref refs/heads/flipflop -m flip1 HEAD^ &&
157	git update-ref refs/heads/flipflop -m flop1 HEAD &&
158	git update-ref refs/heads/flipflop -m flip2 HEAD^ &&
159	git log -g -p flipflop >reflog &&
160	grep -v ^Reflog reflog >actual &&
161	git log -1 -p HEAD^ >log.one &&
162	git log -1 -p HEAD >log.two &&
163	(
164		cat log.one && echo &&
165		cat log.two && echo &&
166		cat log.one && echo &&
167		cat log.two
168	) >expect &&
169	test_cmp expect actual
170'
171
172test_expect_success 'reflog exists works' '
173	git reflog exists refs/heads/main &&
174	! git reflog exists refs/heads/nonexistent
175'
176
177test_done
178