1#!/bin/sh
2
3test_description="git merge
4
5Testing a custom strategy.
6
7* (HEAD, master) Merge commit 'c3'
8|\
9| * (tag: c3) c3
10* | (tag: c1) c1
11|/
12| * tag: c2) c2
13|/
14* (tag: c0) c0
15"
16
17. ./test-lib.sh
18
19test_expect_success 'set up custom strategy' '
20 cat >git-merge-theirs <<-EOF &&
21 #!$SHELL_PATH
22 eval git read-tree --reset -u \\\$\$#
23 EOF
24
25 chmod +x git-merge-theirs &&
26 PATH=.:$PATH &&
27 export PATH
28'
29
30test_expect_success 'setup' '
31 test_commit c0 c0.c &&
32 test_commit c1 c1.c &&
33 git reset --keep c0 &&
34 echo c1c1 >c1.c &&
35 git add c1.c &&
36 test_commit c2 c2.c &&
37 git reset --keep c0 &&
38 test_commit c3 c3.c
39'
40
41test_expect_success 'merge c2 with a custom strategy' '
42 git reset --hard c1 &&
43
44 git rev-parse c1 >head.old &&
45 git rev-parse c2 >second-parent.expected &&
46 git rev-parse c2^{tree} >tree.expected &&
47 git merge -s theirs c2 &&
48
49 git rev-parse HEAD >head.new &&
50 git rev-parse HEAD^1 >first-parent &&
51 git rev-parse HEAD^2 >second-parent &&
52 git rev-parse HEAD^{tree} >tree &&
53 git update-index --refresh &&
54 git diff --exit-code &&
55 git diff --exit-code c2 HEAD &&
56 git diff --exit-code c2 &&
57
58 ! test_cmp head.old head.new &&
59 test_cmp head.old first-parent &&
60 test_cmp second-parent.expected second-parent &&
61 test_cmp tree.expected tree &&
62 test -f c0.c &&
63 grep c1c1 c1.c &&
64 test -f c2.c
65'
66
67test_expect_success 'trivial merge with custom strategy' '
68 git reset --hard c1 &&
69
70 git rev-parse c1 >head.old &&
71 git rev-parse c3 >second-parent.expected &&
72 git rev-parse c3^{tree} >tree.expected &&
73 git merge -s theirs c3 &&
74
75 git rev-parse HEAD >head.new &&
76 git rev-parse HEAD^1 >first-parent &&
77 git rev-parse HEAD^2 >second-parent &&
78 git rev-parse HEAD^{tree} >tree &&
79 git update-index --refresh &&
80 git diff --exit-code &&
81 git diff --exit-code c3 HEAD &&
82 git diff --exit-code c3 &&
83
84 ! test_cmp head.old head.new &&
85 test_cmp head.old first-parent &&
86 test_cmp second-parent.expected second-parent &&
87 test_cmp tree.expected tree &&
88 test -f c0.c &&
89 ! test -e c1.c &&
90 test -f c3.c
91'
92
93test_done