unindent
go get -u mvdan.cc/unindent
Reports code that is unnecessarily indented. Examples include:
for _, elem := range list {
if cond {
// here be many lines
}
}
if cond1 {
if cond2 {
// here be many lines
}
}
if cond1 {
} else {
if cond2 {
// here be many lines
}
}