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* auto-update: check if executable file exists

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This commit is contained in:
Simon Zolin 2020-01-10 12:40:16 +03:00
parent 94d86eee10
commit 1792fd3e0f
1 changed files with 12 additions and 0 deletions
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12
home/control_update.go
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@ -148,6 +148,15 @@ type updateInfo struct {
newBinName string // Full path to the new executable file
}
// Return TRUE if file exists
func fileExists(fn string) bool {
_, err := os.Stat(fn)
if err != nil {
return false
}
return true
}
// Fill in updateInfo object
func getUpdateInfo(jsonData []byte) (*updateInfo, error) {
var u updateInfo
@ -190,6 +199,9 @@ func getUpdateInfo(jsonData []byte) (*updateInfo, error) {
binName = "AdGuardHome.exe"
}
u.curBinName = filepath.Join(workDir, binName)
if !fileExists(u.curBinName) {
return nil, fmt.Errorf("Executable file %s doesn't exist", u.curBinName)
}
u.bkpBinName = filepath.Join(u.backupDir, binName)
u.newBinName = filepath.Join(u.updateDir, "AdGuardHome", binName)
if strings.HasSuffix(pkgFileName, ".zip") {