1# go list shows patterns and files
2go list -f '{{.EmbedPatterns}}'
3stdout '\[x\*t\*t\]'
4go list -f '{{.EmbedFiles}}'
5stdout '\[x.txt\]'
6go list -test -f '{{.TestEmbedPatterns}}'
7stdout '\[y\*t\*t\]'
8go list -test -f '{{.TestEmbedFiles}}'
9stdout '\[y.txt\]'
10go list -test -f '{{.XTestEmbedPatterns}}'
11stdout '\[z\*t\*t\]'
12go list -test -f '{{.XTestEmbedFiles}}'
13stdout '\[z.txt\]'
14
15# build embeds x.txt
16go build -x
17stderr 'x.txt'
18
19# build uses cache correctly
20go build -x
21! stderr 'x.txt'
22cp x.txt2 x.txt
23go build -x
24stderr 'x.txt'
25
26# build rejects invalid names
27cp x.go2 x.go
28go build -x
29cp x.txt .git
30! go build -x
31stderr '^x.go:5:12: pattern [*]t: cannot embed file [.]git: invalid name [.]git$'
32rm .git
33
34# build rejects symlinks
35[symlink] symlink x.tzt -> x.txt
36[symlink] ! go build -x
37[symlink] stderr 'pattern [*]t: cannot embed irregular file x.tzt'
38[symlink] rm x.tzt
39
40# build rejects empty directories
41mkdir t
42! go build -x
43stderr '^x.go:5:12: pattern [*]t: cannot embed directory t: contains no embeddable files$'
44
45# build ignores symlinks and invalid names in directories
46cp x.txt t/.git
47! go build -x
48stderr '^x.go:5:12: pattern [*]t: cannot embed directory t: contains no embeddable files$'
49go list -e -f '{{.Incomplete}}'
50stdout 'true'
51[symlink] symlink t/x.link -> ../x.txt
52[symlink] ! go build -x
53[symlink] stderr '^x.go:5:12: pattern [*]t: cannot embed directory t: contains no embeddable files$'
54
55cp x.txt t/x.txt
56go build -x
57
58# build reports errors with positions in imported packages
59rm t/x.txt
60! go build m/use
61stderr '^x.go:5:12: pattern [*]t: cannot embed directory t: contains no embeddable files$'
62
63# all still ignores .git and symlinks
64cp x.go3 x.go
65! go build -x
66stderr '^x.go:5:12: pattern all:t: cannot embed directory t: contains no embeddable files$'
67
68# all finds dot files and underscore files
69cp x.txt t/.x.txt
70go build -x
71rm t/.x.txt
72cp x.txt t/_x.txt
73go build -x
74
75-- x.go --
76package p
77
78import "embed"
79
80//go:embed x*t*t
81var X embed.FS
82
83-- x_test.go --
84package p
85
86import "embed"
87
88//go:embed y*t*t
89var Y string
90
91-- x_x_test.go --
92package p_test
93
94import "embed"
95
96//go:embed z*t*t
97var Z string
98
99-- x.go2 --
100package p
101
102import "embed"
103
104//go:embed *t
105var X embed.FS
106
107-- x.go3 --
108package p
109
110import "embed"
111
112//go:embed all:t
113var X embed.FS
114
115-- x.txt --
116hello
117
118-- y.txt --
119-- z.txt --
120-- x.txt2 --
121not hello
122
123-- use/use.go --
124package use
125
126import _ "m"
127-- go.mod --
128module m
129
130go 1.16
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