mirror of
https://github.com/jesseduffield/lazygit.git
synced 2025-04-04 22:34:39 +02:00
7ccb871a45
... and import stefanhaller's tcell fork for real rather than just replacing it This solves the problem that people trying to "go install github.com/jesseduffield/lazygit@latest" would get the error go: github.com/jesseduffield/lazygit@latest (in github.com/jesseduffield/lazygit@v0.40.0): The go.mod file for the module providing named packages contains one or more replace directives. It must not contain directives that would cause it to be interpreted differently than if it were the main module.
611 lines
15 KiB
Go
611 lines
15 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build darwin || dragonfly || freebsd || netbsd || openbsd
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// +build darwin dragonfly freebsd netbsd openbsd
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// BSD system call wrappers shared by *BSD based systems
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// including OS X (Darwin) and FreeBSD. Like the other
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// syscall_*.go files it is compiled as Go code but also
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// used as input to mksyscall which parses the //sys
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// lines and generates system call stubs.
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package unix
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import (
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"runtime"
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"syscall"
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"unsafe"
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)
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const ImplementsGetwd = true
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func Getwd() (string, error) {
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var buf [PathMax]byte
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_, err := Getcwd(buf[0:])
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if err != nil {
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return "", err
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}
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n := clen(buf[:])
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if n < 1 {
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return "", EINVAL
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}
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return string(buf[:n]), nil
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}
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/*
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* Wrapped
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*/
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//sysnb getgroups(ngid int, gid *_Gid_t) (n int, err error)
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//sysnb setgroups(ngid int, gid *_Gid_t) (err error)
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func Getgroups() (gids []int, err error) {
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n, err := getgroups(0, nil)
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if err != nil {
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return nil, err
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}
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if n == 0 {
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return nil, nil
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}
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// Sanity check group count. Max is 16 on BSD.
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if n < 0 || n > 1000 {
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return nil, EINVAL
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}
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a := make([]_Gid_t, n)
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n, err = getgroups(n, &a[0])
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if err != nil {
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return nil, err
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}
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gids = make([]int, n)
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for i, v := range a[0:n] {
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gids[i] = int(v)
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}
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return
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}
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func Setgroups(gids []int) (err error) {
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if len(gids) == 0 {
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return setgroups(0, nil)
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}
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a := make([]_Gid_t, len(gids))
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for i, v := range gids {
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a[i] = _Gid_t(v)
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}
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return setgroups(len(a), &a[0])
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}
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// Wait status is 7 bits at bottom, either 0 (exited),
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// 0x7F (stopped), or a signal number that caused an exit.
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// The 0x80 bit is whether there was a core dump.
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// An extra number (exit code, signal causing a stop)
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// is in the high bits.
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type WaitStatus uint32
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const (
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mask = 0x7F
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core = 0x80
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shift = 8
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exited = 0
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killed = 9
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stopped = 0x7F
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)
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func (w WaitStatus) Exited() bool { return w&mask == exited }
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func (w WaitStatus) ExitStatus() int {
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if w&mask != exited {
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return -1
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}
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return int(w >> shift)
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}
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func (w WaitStatus) Signaled() bool { return w&mask != stopped && w&mask != 0 }
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func (w WaitStatus) Signal() syscall.Signal {
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sig := syscall.Signal(w & mask)
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if sig == stopped || sig == 0 {
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return -1
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}
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return sig
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}
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func (w WaitStatus) CoreDump() bool { return w.Signaled() && w&core != 0 }
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func (w WaitStatus) Stopped() bool { return w&mask == stopped && syscall.Signal(w>>shift) != SIGSTOP }
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func (w WaitStatus) Killed() bool { return w&mask == killed && syscall.Signal(w>>shift) != SIGKILL }
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func (w WaitStatus) Continued() bool { return w&mask == stopped && syscall.Signal(w>>shift) == SIGSTOP }
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func (w WaitStatus) StopSignal() syscall.Signal {
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if !w.Stopped() {
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return -1
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}
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return syscall.Signal(w>>shift) & 0xFF
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}
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func (w WaitStatus) TrapCause() int { return -1 }
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//sys wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err error)
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func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) {
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var status _C_int
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wpid, err = wait4(pid, &status, options, rusage)
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if wstatus != nil {
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*wstatus = WaitStatus(status)
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}
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return
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}
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//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
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//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
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//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
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//sysnb socket(domain int, typ int, proto int) (fd int, err error)
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//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
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//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
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//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
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//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
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//sys Shutdown(s int, how int) (err error)
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func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) {
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if sa.Port < 0 || sa.Port > 0xFFFF {
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return nil, 0, EINVAL
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}
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sa.raw.Len = SizeofSockaddrInet4
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sa.raw.Family = AF_INET
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p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
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p[0] = byte(sa.Port >> 8)
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p[1] = byte(sa.Port)
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sa.raw.Addr = sa.Addr
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return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
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}
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func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, _Socklen, error) {
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if sa.Port < 0 || sa.Port > 0xFFFF {
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return nil, 0, EINVAL
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}
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sa.raw.Len = SizeofSockaddrInet6
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sa.raw.Family = AF_INET6
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p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
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p[0] = byte(sa.Port >> 8)
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p[1] = byte(sa.Port)
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sa.raw.Scope_id = sa.ZoneId
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sa.raw.Addr = sa.Addr
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return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
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}
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func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) {
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name := sa.Name
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n := len(name)
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if n >= len(sa.raw.Path) || n == 0 {
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return nil, 0, EINVAL
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}
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sa.raw.Len = byte(3 + n) // 2 for Family, Len; 1 for NUL
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sa.raw.Family = AF_UNIX
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for i := 0; i < n; i++ {
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sa.raw.Path[i] = int8(name[i])
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}
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return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil
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}
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func (sa *SockaddrDatalink) sockaddr() (unsafe.Pointer, _Socklen, error) {
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if sa.Index == 0 {
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return nil, 0, EINVAL
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}
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sa.raw.Len = sa.Len
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sa.raw.Family = AF_LINK
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sa.raw.Index = sa.Index
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sa.raw.Type = sa.Type
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sa.raw.Nlen = sa.Nlen
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sa.raw.Alen = sa.Alen
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sa.raw.Slen = sa.Slen
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sa.raw.Data = sa.Data
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return unsafe.Pointer(&sa.raw), SizeofSockaddrDatalink, nil
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}
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func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
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switch rsa.Addr.Family {
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case AF_LINK:
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pp := (*RawSockaddrDatalink)(unsafe.Pointer(rsa))
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sa := new(SockaddrDatalink)
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sa.Len = pp.Len
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sa.Family = pp.Family
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sa.Index = pp.Index
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sa.Type = pp.Type
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sa.Nlen = pp.Nlen
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sa.Alen = pp.Alen
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sa.Slen = pp.Slen
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sa.Data = pp.Data
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return sa, nil
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case AF_UNIX:
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pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
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if pp.Len < 2 || pp.Len > SizeofSockaddrUnix {
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return nil, EINVAL
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}
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sa := new(SockaddrUnix)
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// Some BSDs include the trailing NUL in the length, whereas
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// others do not. Work around this by subtracting the leading
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// family and len. The path is then scanned to see if a NUL
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// terminator still exists within the length.
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n := int(pp.Len) - 2 // subtract leading Family, Len
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for i := 0; i < n; i++ {
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if pp.Path[i] == 0 {
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// found early NUL; assume Len included the NUL
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// or was overestimating.
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n = i
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break
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}
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}
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sa.Name = string(unsafe.Slice((*byte)(unsafe.Pointer(&pp.Path[0])), n))
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return sa, nil
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case AF_INET:
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pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
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sa := new(SockaddrInet4)
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p := (*[2]byte)(unsafe.Pointer(&pp.Port))
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sa.Port = int(p[0])<<8 + int(p[1])
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sa.Addr = pp.Addr
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return sa, nil
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case AF_INET6:
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pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
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sa := new(SockaddrInet6)
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p := (*[2]byte)(unsafe.Pointer(&pp.Port))
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sa.Port = int(p[0])<<8 + int(p[1])
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sa.ZoneId = pp.Scope_id
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sa.Addr = pp.Addr
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return sa, nil
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}
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return anyToSockaddrGOOS(fd, rsa)
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}
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func Accept(fd int) (nfd int, sa Sockaddr, err error) {
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var rsa RawSockaddrAny
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var len _Socklen = SizeofSockaddrAny
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nfd, err = accept(fd, &rsa, &len)
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if err != nil {
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return
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}
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if (runtime.GOOS == "darwin" || runtime.GOOS == "ios") && len == 0 {
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// Accepted socket has no address.
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// This is likely due to a bug in xnu kernels,
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// where instead of ECONNABORTED error socket
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// is accepted, but has no address.
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Close(nfd)
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return 0, nil, ECONNABORTED
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}
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sa, err = anyToSockaddr(fd, &rsa)
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if err != nil {
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Close(nfd)
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nfd = 0
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}
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return
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}
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func Getsockname(fd int) (sa Sockaddr, err error) {
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var rsa RawSockaddrAny
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var len _Socklen = SizeofSockaddrAny
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if err = getsockname(fd, &rsa, &len); err != nil {
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return
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}
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// TODO(jsing): DragonFly has a "bug" (see issue 3349), which should be
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// reported upstream.
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if runtime.GOOS == "dragonfly" && rsa.Addr.Family == AF_UNSPEC && rsa.Addr.Len == 0 {
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rsa.Addr.Family = AF_UNIX
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rsa.Addr.Len = SizeofSockaddrUnix
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}
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return anyToSockaddr(fd, &rsa)
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}
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//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
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// GetsockoptString returns the string value of the socket option opt for the
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// socket associated with fd at the given socket level.
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func GetsockoptString(fd, level, opt int) (string, error) {
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buf := make([]byte, 256)
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vallen := _Socklen(len(buf))
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err := getsockopt(fd, level, opt, unsafe.Pointer(&buf[0]), &vallen)
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if err != nil {
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return "", err
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}
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return string(buf[:vallen-1]), nil
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}
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//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
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//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
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//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
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func recvmsgRaw(fd int, iov []Iovec, oob []byte, flags int, rsa *RawSockaddrAny) (n, oobn int, recvflags int, err error) {
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var msg Msghdr
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msg.Name = (*byte)(unsafe.Pointer(rsa))
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msg.Namelen = uint32(SizeofSockaddrAny)
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var dummy byte
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if len(oob) > 0 {
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// receive at least one normal byte
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if emptyIovecs(iov) {
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var iova [1]Iovec
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iova[0].Base = &dummy
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iova[0].SetLen(1)
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iov = iova[:]
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}
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msg.Control = (*byte)(unsafe.Pointer(&oob[0]))
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msg.SetControllen(len(oob))
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}
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if len(iov) > 0 {
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msg.Iov = &iov[0]
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msg.SetIovlen(len(iov))
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}
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if n, err = recvmsg(fd, &msg, flags); err != nil {
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return
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}
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oobn = int(msg.Controllen)
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recvflags = int(msg.Flags)
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return
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}
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//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
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func sendmsgN(fd int, iov []Iovec, oob []byte, ptr unsafe.Pointer, salen _Socklen, flags int) (n int, err error) {
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var msg Msghdr
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msg.Name = (*byte)(unsafe.Pointer(ptr))
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msg.Namelen = uint32(salen)
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var dummy byte
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var empty bool
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if len(oob) > 0 {
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// send at least one normal byte
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empty = emptyIovecs(iov)
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if empty {
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var iova [1]Iovec
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iova[0].Base = &dummy
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iova[0].SetLen(1)
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iov = iova[:]
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}
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msg.Control = (*byte)(unsafe.Pointer(&oob[0]))
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msg.SetControllen(len(oob))
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}
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if len(iov) > 0 {
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msg.Iov = &iov[0]
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msg.SetIovlen(len(iov))
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}
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if n, err = sendmsg(fd, &msg, flags); err != nil {
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return 0, err
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}
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if len(oob) > 0 && empty {
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n = 0
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}
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return n, nil
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}
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//sys kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, nevent int, timeout *Timespec) (n int, err error)
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func Kevent(kq int, changes, events []Kevent_t, timeout *Timespec) (n int, err error) {
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var change, event unsafe.Pointer
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if len(changes) > 0 {
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change = unsafe.Pointer(&changes[0])
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}
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if len(events) > 0 {
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event = unsafe.Pointer(&events[0])
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}
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return kevent(kq, change, len(changes), event, len(events), timeout)
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}
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// sysctlmib translates name to mib number and appends any additional args.
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func sysctlmib(name string, args ...int) ([]_C_int, error) {
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// Translate name to mib number.
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mib, err := nametomib(name)
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if err != nil {
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return nil, err
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}
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for _, a := range args {
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mib = append(mib, _C_int(a))
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}
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return mib, nil
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}
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func Sysctl(name string) (string, error) {
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return SysctlArgs(name)
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}
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func SysctlArgs(name string, args ...int) (string, error) {
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buf, err := SysctlRaw(name, args...)
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if err != nil {
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return "", err
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}
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n := len(buf)
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// Throw away terminating NUL.
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if n > 0 && buf[n-1] == '\x00' {
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n--
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}
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return string(buf[0:n]), nil
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}
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func SysctlUint32(name string) (uint32, error) {
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return SysctlUint32Args(name)
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}
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func SysctlUint32Args(name string, args ...int) (uint32, error) {
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mib, err := sysctlmib(name, args...)
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if err != nil {
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return 0, err
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}
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n := uintptr(4)
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buf := make([]byte, 4)
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if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil {
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return 0, err
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}
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if n != 4 {
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return 0, EIO
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}
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return *(*uint32)(unsafe.Pointer(&buf[0])), nil
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}
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func SysctlUint64(name string, args ...int) (uint64, error) {
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mib, err := sysctlmib(name, args...)
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if err != nil {
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return 0, err
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}
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n := uintptr(8)
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buf := make([]byte, 8)
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if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil {
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return 0, err
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}
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if n != 8 {
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return 0, EIO
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}
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return *(*uint64)(unsafe.Pointer(&buf[0])), nil
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}
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func SysctlRaw(name string, args ...int) ([]byte, error) {
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mib, err := sysctlmib(name, args...)
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if err != nil {
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return nil, err
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}
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// Find size.
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n := uintptr(0)
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if err := sysctl(mib, nil, &n, nil, 0); err != nil {
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return nil, err
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}
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if n == 0 {
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return nil, nil
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}
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|
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// Read into buffer of that size.
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buf := make([]byte, n)
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if err := sysctl(mib, &buf[0], &n, nil, 0); err != nil {
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return nil, err
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}
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|
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// The actual call may return less than the original reported required
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// size so ensure we deal with that.
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return buf[:n], nil
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|
}
|
|
|
|
func SysctlClockinfo(name string) (*Clockinfo, error) {
|
|
mib, err := sysctlmib(name)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
n := uintptr(SizeofClockinfo)
|
|
var ci Clockinfo
|
|
if err := sysctl(mib, (*byte)(unsafe.Pointer(&ci)), &n, nil, 0); err != nil {
|
|
return nil, err
|
|
}
|
|
if n != SizeofClockinfo {
|
|
return nil, EIO
|
|
}
|
|
return &ci, nil
|
|
}
|
|
|
|
func SysctlTimeval(name string) (*Timeval, error) {
|
|
mib, err := sysctlmib(name)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var tv Timeval
|
|
n := uintptr(unsafe.Sizeof(tv))
|
|
if err := sysctl(mib, (*byte)(unsafe.Pointer(&tv)), &n, nil, 0); err != nil {
|
|
return nil, err
|
|
}
|
|
if n != unsafe.Sizeof(tv) {
|
|
return nil, EIO
|
|
}
|
|
return &tv, nil
|
|
}
|
|
|
|
//sys utimes(path string, timeval *[2]Timeval) (err error)
|
|
|
|
func Utimes(path string, tv []Timeval) error {
|
|
if tv == nil {
|
|
return utimes(path, nil)
|
|
}
|
|
if len(tv) != 2 {
|
|
return EINVAL
|
|
}
|
|
return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
|
|
}
|
|
|
|
func UtimesNano(path string, ts []Timespec) error {
|
|
if ts == nil {
|
|
err := utimensat(AT_FDCWD, path, nil, 0)
|
|
if err != ENOSYS {
|
|
return err
|
|
}
|
|
return utimes(path, nil)
|
|
}
|
|
if len(ts) != 2 {
|
|
return EINVAL
|
|
}
|
|
err := utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
|
|
if err != ENOSYS {
|
|
return err
|
|
}
|
|
// Not as efficient as it could be because Timespec and
|
|
// Timeval have different types in the different OSes
|
|
tv := [2]Timeval{
|
|
NsecToTimeval(TimespecToNsec(ts[0])),
|
|
NsecToTimeval(TimespecToNsec(ts[1])),
|
|
}
|
|
return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
|
|
}
|
|
|
|
func UtimesNanoAt(dirfd int, path string, ts []Timespec, flags int) error {
|
|
if ts == nil {
|
|
return utimensat(dirfd, path, nil, flags)
|
|
}
|
|
if len(ts) != 2 {
|
|
return EINVAL
|
|
}
|
|
return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), flags)
|
|
}
|
|
|
|
//sys futimes(fd int, timeval *[2]Timeval) (err error)
|
|
|
|
func Futimes(fd int, tv []Timeval) error {
|
|
if tv == nil {
|
|
return futimes(fd, nil)
|
|
}
|
|
if len(tv) != 2 {
|
|
return EINVAL
|
|
}
|
|
return futimes(fd, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
|
|
}
|
|
|
|
//sys poll(fds *PollFd, nfds int, timeout int) (n int, err error)
|
|
|
|
func Poll(fds []PollFd, timeout int) (n int, err error) {
|
|
if len(fds) == 0 {
|
|
return poll(nil, 0, timeout)
|
|
}
|
|
return poll(&fds[0], len(fds), timeout)
|
|
}
|
|
|
|
// TODO: wrap
|
|
// Acct(name nil-string) (err error)
|
|
// Gethostuuid(uuid *byte, timeout *Timespec) (err error)
|
|
// Ptrace(req int, pid int, addr uintptr, data int) (ret uintptr, err error)
|
|
|
|
//sys Madvise(b []byte, behav int) (err error)
|
|
//sys Mlock(b []byte) (err error)
|
|
//sys Mlockall(flags int) (err error)
|
|
//sys Mprotect(b []byte, prot int) (err error)
|
|
//sys Msync(b []byte, flags int) (err error)
|
|
//sys Munlock(b []byte) (err error)
|
|
//sys Munlockall() (err error)
|