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$'
32rm .git
33
34# build rejects symlinks by default
35[symlink] symlink x.tzt -> x.txt
36[symlink] ! go build -x
37[symlink] stderr 'pattern [*]t: cannot embed irregular file x.tzt'
38# with GODEBUG embedfollowsymlinks=1, build allows symlinks of leaf files
39[symlink] env 'GODEBUG=embedfollowsymlinks=1'
40[symlink] go build -x
41[symlink] stderr 'x.tzt'
42[symlink] rm x.tzt
43[symlink] env 'GODEBUG='
44
45# build rejects empty directories
46mkdir t
47! go build -x
48stderr '^x.go:5:12: pattern [*]t: cannot embed directory t: contains no embeddable files$'
49
50# build ignores symlinks and invalid names in directories
51cp x.txt t/.git
52! go build -x
53stderr '^x.go:5:12: pattern [*]t: cannot embed directory t: contains no embeddable files$'
54go list -e -f '{{.Incomplete}}'
55stdout 'true'
56[symlink] symlink t/x.link -> ../x.txt
57[symlink] ! go build -x
58[symlink] stderr '^x.go:5:12: pattern [*]t: cannot embed directory t: contains no embeddable files$'
59
60cp x.txt t/x.txt
61go build -x
62
63# build reports errors with positions in imported packages
64rm t/x.txt
65! go build m/use
66stderr '^x.go:5:12: pattern [*]t: cannot embed directory t: contains no embeddable files$'
67
68# all still ignores .git and symlinks
69cp x.go3 x.go
70! go build -x
71stderr '^x.go:5:12: pattern all:t: cannot embed directory t: contains no embeddable files$'
72
73# all finds dot files and underscore files
74cp x.txt t/.x.txt
75go build -x
76rm t/.x.txt
77cp x.txt t/_x.txt
78go build -x
79
80# build disallows symlinks of directories
81[symlink] symlink symdir -> symdirdst
82[symlink] cp x.go4 x.go
83[symlink] ! go build -x
84[symlink] stderr 'x.go:5:12: pattern symdir/[*]: cannot embed file symdir[\\/]x.txt: in non-directory symdir'
85[symlink] cp x.go5 x.go
86[symlink] ! go build -x
87[symlink] stderr 'x.go:5:12: pattern symdir/x.txt: cannot embed file symdir[\\/]x.txt: in non-directory symdir'
88# even with GODEBUG=embedfollowsymlinks=1
89[symlink] env 'GODEBUG=embedfollowsymlinks=1'
90[symlink] cp x.go4 x.go
91[symlink] ! go build -x
92[symlink] stderr 'x.go:5:12: pattern symdir/[*]: cannot embed file symdir[\\/]x.txt: in non-directory symdir'
93[symlink] cp x.go5 x.go
94[symlink] ! go build -x
95[symlink] stderr 'x.go:5:12: pattern symdir/x.txt: cannot embed file symdir[\\/]x.txt: in non-directory symdir'
96[symlink] env 'GODEBUG='
97
98# build rejects names in subdirectories with invalid punctuation
99cp x.go6 x.go
100mkdir photos/subdir
101cp x.txt photos/subdir/foo.jpg
102cp x.txt 'photos/subdir/2022-07-22T15''02''45Z.jpg'
103! go build -x
104stderr '^x.go:5:12: pattern photos/\*: cannot embed file photos/subdir/2022-07-22T15''02''45Z.jpg: invalid name 2022-07-22T15''02''45Z.jpg$'
105[!GOOS:windows] mv 'photos/subdir/2022-07-22T15''02''45Z.jpg' photos/subdir/2022-07-22T15:02:45Z.jpg
106[!GOOS:windows] ! go build -x
107[!GOOS:windows] stderr '^x.go:5:12: pattern photos/\*: cannot embed file photos/subdir/2022-07-22T15:02:45Z.jpg: invalid name 2022-07-22T15:02:45Z.jpg$'
108rm photos
109
110# build ignores hidden names in subdirectories with invalid punctuation
111cp x.go6 x.go
112mkdir photos/subdir
113[!GOOS:windows] cp x.txt photos/subdir/.2022-07-22T15:02:45Z.jpg
114[!GOOS:windows] cp x.txt photos/subdir/_2022-07-22T15:02:45Z.jpg
115cp x.txt 'photos/subdir/.2022-07-22T15''02''45Z.jpg'
116cp x.txt 'photos/subdir/_2022-07-22T15''02''45Z.jpg'
117cp x.txt photos/subdir/foo.jpg
118go build -x
119rm photos
120
121-- x.go --
122package p
123
124import "embed"
125
126//go:embed x*t*t
127var X embed.FS
128
129-- x_test.go --
130package p
131
132import "embed"
133
134//go:embed y*t*t
135var Y string
136
137-- x_x_test.go --
138package p_test
139
140import "embed"
141
142//go:embed z*t*t
143var Z string
144
145-- x.go2 --
146package p
147
148import "embed"
149
150//go:embed *t
151var X embed.FS
152
153-- x.go3 --
154package p
155
156import "embed"
157
158//go:embed all:t
159var X embed.FS
160
161-- x.go4 --
162package p
163
164import "embed"
165
166//go:embed symdir/*
167var X embed.FS
168
169-- x.go5 --
170package p
171
172import "embed"
173
174//go:embed symdir/x.txt
175var Z string
176
177-- x.go6 --
178package p
179
180import "embed"
181
182//go:embed photos/*
183var X embed.FS
184
185-- x.txt --
186hello
187
188-- y.txt --
189-- z.txt --
190-- x.txt2 --
191not hello
192
193-- use/use.go --
194package use
195
196import _ "m"
197-- symdirdst/x.txt --
198-- go.mod --
199module m
200
201go 1.16
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