Hi everyone,
I have a pretty weird error with Go modules that I can't explain - after
some investigation I feel this might be a bug but I'd like to have some
extra eyes on it.
I have migrated my tools repository (github.com/campoy/tools) to use Go
modules and as a test I've tagged two major version v1.0.0 and v2.0.0.
I then wrote a little program the flags package in the tools modules that
looks like this:
package main
import (
"flag"
"fmt"
"image/color"
"github.com/campoy/tools/flags"
)
func main() {
h := flags.HexColor("color", color.Black, "color")
flag.Parse()
fmt.Println(h.RGBA())
}
which produced the following go.mod:
module github.com/campoy/tests/mods
go 1.12
require github.com/campoy/tools v1.0.0
Now, when I try to use v2.0.0 I modify the import path of the program to
use github.com/campoy/tools/v2/flags and the require line to be require
github.com/campoy/tools/v2 v2.0.0
When I try to build this the compilation fails with the error message:
go: github.com/campoy/tools/v2@v2.0.0: go.mod has non-.../v2 module path
"github.com/campoy/tools" (and .../v2/go.mod does not exist) at revision v2.0.0
go: error loading module requirements
But if I instead use the tag v2.0.1 which points to the *same* commit as
v2.0.0 everything works correctly.
Am I doing something wrong or does this seem like a real bug?
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