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remove unused function

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Signed-off-by: Mohammed Al Sahaf <msaa1990@gmail.com>
This commit is contained in:
Mohammed Al Sahaf 2025-05-10 19:10:29 +03:00
parent aea4013a56
commit 08aee56c57
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2 changed files with 0 additions and 68 deletions
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29
cmd/removebinary.go
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@ -1,29 +0,0 @@
// Copyright 2015 Matthew Holt and The Caddy Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build !windows
package caddycmd
import (
"os"
)
// removeCaddyBinary removes the Caddy binary at the given path.
//
// On any non-Windows OS, this simply calls os.Remove, since they should
// probably not exhibit any issue with processes deleting themselves.
func removeCaddyBinary(path string) error {
return os.Remove(path)
}

39
cmd/removebinary_windows.go
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@ -1,39 +0,0 @@
// Copyright 2015 Matthew Holt and The Caddy Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package caddycmd
import (
"os"
"path/filepath"
"syscall"
)
// removeCaddyBinary removes the Caddy binary at the given path.
//
// On Windows, this uses a syscall to indirectly remove the file,
// because otherwise we get an "Access is denied." error when trying
// to delete the binary while Caddy is still running and performing
// the upgrade. "cmd.exe /C" executes a command specified by the
// following arguments, i.e. "del" which will run as a separate process,
// which avoids the "Access is denied." error.
func removeCaddyBinary(path string) error {
var sI syscall.StartupInfo
var pI syscall.ProcessInformation
argv, err := syscall.UTF16PtrFromString(filepath.Join(os.Getenv("windir"), "system32", "cmd.exe") + " /C del " + path)
if err != nil {
return err
}
return syscall.CreateProcess(nil, argv, nil, nil, true, 0, nil, nil, &sI, &pI)
}