net/http: Last-Modified header did not correctly check the time #66807
Description
Go version
go version go1.22.2 windows/amd64
Output of go env in your module/workspace:
set GO111MODULE=
set GOARCH=amd64
set GOBIN=
set GOCACHE=C:\Users\bddjr\AppData\Local\go-build
set GOENV=C:\Users\bddjr\AppData\Roaming\go\env
set GOEXE=.exe
set GOEXPERIMENT=
set GOFLAGS=
set GOHOSTARCH=amd64
set GOHOSTOS=windows
set GOINSECURE=
set GOMODCACHE=C:\Users\bddjr\go\pkg\mod
set GONOPROXY=
set GONOSUMDB=
set GOOS=windows
set GOPATH=C:\Users\bddjr\go
set GOPRIVATE=
set GOPROXY=https://goproxy.cn
set GOROOT=C:\Program Files\Go
set GOSUMDB=sum.golang.org
set GOTMPDIR=
set GOTOOLCHAIN=auto
set GOTOOLDIR=C:\Program Files\Go\pkg\tool\windows_amd64
set GOVCS=
set GOVERSION=go1.22.2
set GCCGO=gccgo
set GOAMD64=v1
set AR=ar
set CC=gcc
set CXX=g++
set CGO_ENABLED=0
set GOMOD=D:\bddjr\Desktop\code\golang\BCSPanel\go.mod
set GOWORK=D:\bddjr\Desktop\code\golang\BCSPanel\go.work
set CGO_CFLAGS=-O2 -g
set CGO_CPPFLAGS=
set CGO_CXXFLAGS=-O2 -g
set CGO_FFLAGS=-O2 -g
set CGO_LDFLAGS=-O2 -g
set PKG_CONFIG=pkg-config
set GOGCCFLAGS=-m64 -fno-caret-diagnostics -Qunused-arguments -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=C:\Users\bddjr\AppData\Local\Temp\go-build2942921968=/tmp/go-build -gno-record-gcc-switchesWhat did you do?
When I mount a new file and then re mount it as an old file, the server still returns 304, causing the client to not update.
What did you see happen?
304 Not Modified
What did you expect to see?
200 OK
Just change this place to == :
https://github.com/golang/go/blob/master/src/net/http/fs.go#L480C36-L480C38