Skip to content

Remove temporary files on OS signal #70

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Remove temporary files on OS signal #70

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
36 changes: 35 additions & 1 deletion cmd/go-mutesting/main.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ import (
"io/ioutil"
"os"
"os/exec"
"os/signal"
"path/filepath"
"regexp"
"strings"
Expand Down Expand Up @@ -158,6 +159,10 @@ func (ms *mutationStats) Total() int {
return ms.passed + ms.failed + ms.skipped
}

// Used by OS signal handler.
var tmpFiles = make(map[string]struct{})
var tmpDir string

func mainCmd(args []string) int {
var opts = &options{}
var mutationBlackList = map[string]struct{}{}
Expand All @@ -166,6 +171,28 @@ func mainCmd(args []string) int {
return exitCode
}

sigCh := make(chan os.Signal, 1)
signal.Notify(sigCh, os.Interrupt, syscall.SIGINT, syscall.SIGTERM, syscall.SIGHUP, syscall.SIGQUIT)
go func() {
for {
sig := <-sigCh
verbose(opts, "Signal (%s) received, exiting...", sig)

for file := range tmpFiles {
// "smth.tmp" -> "smth"
if err := os.Rename(file, file[:len(file)-4]); err != nil {
fmt.Printf("Failed to restore original version of file %s, it is stored in %s.\n", file[:len(file)-4], file)
fmt.Println(err)
}
}
if err := os.RemoveAll(tmpDir); err != nil {
fmt.Printf("Failed to remove temporary directory (%s): %v.\n", tmpDir, err)
}

os.Exit(1)
}
}()

files := importing.FilesOfArgs(opts.Remaining.Targets)
if len(files) == 0 {
return exitError("Could not find any suitable Go source files")
Expand Down Expand Up @@ -238,7 +265,8 @@ MUTATOR:
})
}

tmpDir, err := ioutil.TempDir("", "go-mutesting-")
var err error
tmpDir, err = ioutil.TempDir("", "go-mutesting-")
if err != nil {
panic(err)
}
Expand Down Expand Up @@ -390,6 +418,9 @@ func mutateExec(opts *options, pkg *types.Package, file string, src ast.Node, mu
}

defer func() {
// Remove tmp file from clean list for signal handler.
delete(tmpFiles, file+".tmp")

_ = os.Rename(file+".tmp", file)
}()

Expand All @@ -402,6 +433,9 @@ func mutateExec(opts *options, pkg *types.Package, file string, src ast.Node, mu
panic(err)
}

// Add tmp file to clean list for signal handler.
tmpFiles[file+".tmp"] = struct{}{}

pkgName := pkg.Path()
if opts.Test.Recursive {
pkgName += "/..."
Expand Down