func readMailmap() (mailmap, error) {
var (
rg runGuard
cwd string
mm = make(mailmap)
)
rg.maybeRun(func() {
var err error
cwd, err = os.Getwd()
if err != nil {
rg.err = err
rg.msg = "Error determining current working directory"
}
})
// Check for profile mailmap
rg.maybeRun(func() {
cp, err := gg.ConfigFindGlobal()
if err != nil {
fmt.Printf("Error finding global config: %v\n", err)
return
}
conf, err := gg.OpenOndisk(&gg.Config{}, cp)
if err != nil {
return
}
defer conf.Free()
path, err := conf.LookupString("mailmap.file")
if err != nil {
fmt.Printf("Error lookup up mailmap file %v\n", err)
return
}
f, err := os.Open(path)
defer f.Close()
if err != nil {
return
}
if err := readMailmapFromSource(mm, f); err != nil {
return
}
})
// Parse project mailmap last so it overrides
rg.maybeRun(func() {
f, err := os.Open(cwd + ".mailmap")
defer f.Close()
if err != nil {
return
}
if err := readMailmapFromSource(mm, f); err != nil {
return
}
})
// Check for any errors that might have happened
if rg.err != nil {
return nil, rg.err
}
return mm, nil
}
func init() {
var (
rg runGuard
cwd string
)
rg.maybeRun(func() {
var err error
cwd, err = os.Getwd()
if err != nil {
rg.err = err
rg.msg = "Error determining current working directory"
}
})
mailmap = make(map[string]string)
// Check for profile mailmap
rg.maybeRun(func() {
cp, err := gg.ConfigFindGlobal()
if err != nil {
fmt.Printf("Error finding global config: %v\n", err)
return
}
conf, err := gg.OpenOndisk(&gg.Config{}, cp)
if err != nil {
return
}
defer conf.Free()
path, err := conf.LookupString("mailmap.file")
if err != nil {
fmt.Printf("Error lookup up mailmap file %v\n", err)
return
}
f, err := os.Open(path)
defer f.Close()
if err != nil {
return
}
readMailmap(mailmap, f)
useMailmap = true
})
// Parse project mailmap last so it overrides
rg.maybeRun(func() {
f, err := os.Open(cwd + ".mailmap")
defer f.Close()
if err != nil {
return
}
readMailmap(mailmap, f)
useMailmap = true
})
// Check for any errors that might have happened
if rg.err != nil {
useMailmap = false
fmt.Println("Error starting up! We can't read the mailmap file!")
fmt.Println(rg.err.Error())
// If we're left with an error by now, we should stop
panic(rg.err)
}
}