garble/testdata/script/basic.txtar

# Check that the simplest use of garble works. Note the lack of a module or GOGARBLE.
exec garble build -o=main$exe garble_main.go
exec ./main
cmp stderr main.stderr

# Ensure that -w and -s worked.
[!windows] [exec:readelf] exec readelf --section-headers main$exe
[!windows] [exec:readelf] ! stdout 'debug_info'
[!windows] [exec:readelf] ! stdout '\.symtab'

# The buildid needs to be missing from the binary. Otherwise, we leak
# information unnecessarily, which is made worse by how we use part of said
# buildid to obfuscate the main package.
[!windows] [exec:readelf] ! stdout 'buildid'
go tool buildid main$exe
! stdout .

# The build version needs to be missing too.
go version main$exe
stdout 'unknown'
! stdout 'go1'
! stdout 'devel'
! stdout $gofullversion

# The binary can't contain the version string either.
! binsubstr main$exe ${WORK} 'garble_main.go' 'globalVar' 'globalFunc' 'garble' $gofullversion

[short] stop # checking that the build is reproducible is slow

# Check that we fail if the user used "go build -toolexec garble" instead of "garble build"
! go build -toolexec=garble -o=main$exe garble_main.go
stderr '^did you run.*instead of "garble \[command\]"'
! go build -toolexec='garble toolexec' -o=main$exe garble_main.go
stderr 'cannot open shared file.*did you run.*instead of "garble \[command\]"'

# Also check that the binary is reproducible.
# No packages should be rebuilt either, thanks to the build cache.
cp main$exe main_old$exe
rm main$exe
exec garble build -v -o=main$exe garble_main.go
! stderr .
bincmp main$exe main_old$exe

# Check that the program works as expected without garble. No need to verify
# this when we run with -short.
go build -o=main$exe garble_main.go
exec ./main
cmp stderr main.stderr

# The default build includes DWARF and the symbol table.
[!windows] [exec:readelf] exec readelf --section-headers main$exe
[!windows] [exec:readelf] stdout 'debug_info'
[!windows] [exec:readelf] stdout '\.symtab'

# The default build includes full non-trimmed paths, as well as our names.
# Only check $WORK on non-windows, because it's difficult to do it there.
binsubstr main$exe 'garble_main.go' 'globalVar' 'globalFunc' $gofullversion
[!windows] binsubstr main$exe ${WORK}
-- go.mod --
module test/mainfoo

go 1.20
-- garble_main.go --
package main

var globalVar = "global value"

func globalFunc() { println("global func body") }

func main() {
	println(globalVar)
	globalFunc()
}
-- main.stderr --
global value
global func body