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cmd/go: "go test -i" rebuilds unrelated packages #10627

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alexbrainman opened this issue Apr 30, 2015 · 4 comments
Closed

cmd/go: "go test -i" rebuilds unrelated packages #10627

alexbrainman opened this issue Apr 30, 2015 · 4 comments
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@alexbrainman
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Why changing one file in runtime makes "go test -i" rebuild fmt package (and others). Perhaps I am dreaming, but I don't think "go test -i" used to do that:

# pwd
/root/go/root/src/runtime
# git status
On branch master
Your branch is up-to-date with 'origin/master'.

nothing to commit, working directory clean
# go test -i -v
runtime
errors
sync/atomic
sync
io
unicode
unicode/utf8
bytes
math
syscall
time
os
strconv
reflect
fmt
sort
flag
strings
path/filepath
io/ioutil
math/cmplx
math/rand
os/exec
regexp/syntax
regexp
runtime/debug
bufio
text/tabwriter
runtime/pprof
testing
net/url
text/template/parse
text/template
# go test -i -v
# touch stack1.go
# go test -i -v
runtime
errors
sync/atomic
sync
io
unicode
unicode/utf8
bytes
math
syscall
time
os
strconv
reflect
fmt
sort
flag
strings
path/filepath
io/ioutil
math/cmplx
math/rand
os/exec
regexp/syntax
regexp
runtime/debug
bufio
text/tabwriter
runtime/pprof
testing
net/url
text/template/parse
text/template
#

Alex
@minux
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minux commented Apr 30, 2015 via email

@alexbrainman
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Did you mean "these packages are imported by the testing package"? But why changing runtime package make testing package out of date and in need of rebuild?

Alex

@minux
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minux commented Apr 30, 2015 via email

@alexbrainman
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I have made it up. Probably, because the "go test -i" is much slower now. Sorry.

Alex

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@minux @gopherbot @alexbrainman