oscommands

package
v0.41.0 Latest Latest
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 Go to latest Published: Mar 22, 2024 License: MIT Imports: 26 Imported by: 0

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Index

Constants

View Source 
const CHARS_REQUIRING_QUOTES = "\"\\$` "

Variables

This section is empty.

Functions

func CopyDir 

func CopyDir(src string, dst string) (err error)

CopyDir recursively copies a directory tree, attempting to preserve permissions. Source directory must exist. If destination already exists we'll clobber it. Symlinks are ignored and skipped.

func CopyFile 

func CopyFile(src, dst string) (err error)

CopyFile copies the contents of the file named src to the file named by dst. The file will be created if it does not already exist. If the destination file exists, all it's contents will be replaced by the contents of the source file. The file mode will be copied from the source and the copied data is synced/flushed to stable storage.

func FileType added in v0.32.1 

func FileType(path string) string

FileType tells us if the file is a file, directory or other

func GetLazygitPath added in v0.32.1 

func GetLazygitPath() string

GetLazygitPath returns the path of the currently executed file

func Kill 

func Kill(cmd *exec.Cmd) error

Kill kills a process. If the process has Setpgid == true, then we have anticipated that it might spawn its own child processes, so we've given it a process group ID (PGID) equal to its process id (PID) and given its child processes will inherit the PGID, we can kill that group, rather than killing the process itself.

func NewGuiIO added in v0.32.1 

func NewGuiIO(
	log *logrus.Entry,
	logCommandFn func(string, bool),
	newCmdWriterFn func() io.Writer,
	promptForCredentialFn func(CredentialType) <-chan string,
) *guiIO

func NewNullGuiIO added in v0.32.1 

func NewNullGuiIO(log *logrus.Entry) *guiIO

we use this function when we want to access the functionality of our OS struct but we don't have anywhere to log things, or request input from the user.

func PrepareForChildren added in v0.35.0 

func PrepareForChildren(cmd *exec.Cmd)

PrepareForChildren sets Setpgid to true on the cmd, so that when we run it as a subprocess, we can kill its group rather than the process itself. This is because some commands, like `docker-compose logs` spawn multiple children processes, and killing the parent process isn't sufficient for killing those child processes. We set the group id here, and then in subprocess.go we check if the group id is set and if so, we kill the whole group rather than just the one process.

Types

type CmdObj added in v0.30.1 

type CmdObj struct {
	// contains filtered or unexported fields
}

func (*CmdObj) AddEnvVars added in v0.30.1 

func (self *CmdObj) AddEnvVars(vars ...string) ICmdObj

func (*CmdObj) Args added in v0.39.0 

func (self *CmdObj) Args() []string

func (*CmdObj) Clone added in v0.39.0 

func (self *CmdObj) Clone() ICmdObj

func (*CmdObj) DontLog added in v0.32.1 

func (self *CmdObj) DontLog() ICmdObj

func (*CmdObj) FailOnCredentialRequest added in v0.32.1 

func (self *CmdObj) FailOnCredentialRequest() ICmdObj

func (*CmdObj) GetCmd added in v0.30.1 

func (self *CmdObj) GetCmd() *exec.Cmd

func (*CmdObj) GetCredentialStrategy added in v0.32.1 

func (self *CmdObj) GetCredentialStrategy() CredentialStrategy

func (*CmdObj) GetEnvVars added in v0.32.1 

func (self *CmdObj) GetEnvVars() []string

func (*CmdObj) GetTask added in v0.39.0 

func (self *CmdObj) GetTask() gocui.Task

func (*CmdObj) IgnoreEmptyError added in v0.35.0 

func (self *CmdObj) IgnoreEmptyError() ICmdObj

func (*CmdObj) Mutex added in v0.35.0 

func (self *CmdObj) Mutex() *deadlock.Mutex

func (*CmdObj) PromptOnCredentialRequest added in v0.32.1 

func (self *CmdObj) PromptOnCredentialRequest(task gocui.Task) ICmdObj

func (*CmdObj) Run added in v0.32.1 

func (self *CmdObj) Run() error

func (*CmdObj) RunAndProcessLines added in v0.32.1 

func (self *CmdObj) RunAndProcessLines(onLine func(line string) (bool, error)) error

func (*CmdObj) RunWithOutput added in v0.32.1 

func (self *CmdObj) RunWithOutput() (string, error)

func (*CmdObj) RunWithOutputs added in v0.36.0 

func (self *CmdObj) RunWithOutputs() (string, string, error)

func (*CmdObj) SetWd added in v0.40.0 

func (self *CmdObj) SetWd(wd string) ICmdObj

func (*CmdObj) ShouldIgnoreEmptyError added in v0.35.0 

func (self *CmdObj) ShouldIgnoreEmptyError() bool

func (*CmdObj) ShouldLog added in v0.32.1 

func (self *CmdObj) ShouldLog() bool

func (*CmdObj) ShouldStreamOutput added in v0.35.0 

func (self *CmdObj) ShouldStreamOutput() bool

func (*CmdObj) StreamOutput added in v0.35.0 

func (self *CmdObj) StreamOutput() ICmdObj

func (*CmdObj) ToString added in v0.30.1 

func (self *CmdObj) ToString() string

func (*CmdObj) WithMutex added in v0.35.0 

func (self *CmdObj) WithMutex(mutex *deadlock.Mutex) ICmdObj

type CmdObjBuilder added in v0.32.1 

type CmdObjBuilder struct {
	// contains filtered or unexported fields
}

func NewDummyCmdObjBuilder added in v0.32.1 

func NewDummyCmdObjBuilder(runner ICmdObjRunner) *CmdObjBuilder

func (*CmdObjBuilder) CloneWithNewRunner added in v0.32.1 

func (self *CmdObjBuilder) CloneWithNewRunner(decorate func(ICmdObjRunner) ICmdObjRunner) *CmdObjBuilder

func (*CmdObjBuilder) New added in v0.32.1 

func (self *CmdObjBuilder) New(args []string) ICmdObj

func (*CmdObjBuilder) NewShell added in v0.32.1 

func (self *CmdObjBuilder) NewShell(commandStr string) ICmdObj

func (*CmdObjBuilder) NewWithEnviron added in v0.41.0 

func (self *CmdObjBuilder) NewWithEnviron(args []string, env []string) ICmdObj

A command with explicit environment from env

func (*CmdObjBuilder) Quote added in v0.32.1 

func (self *CmdObjBuilder) Quote(message string) string

If you update this method, be sure to update CHARS_REQUIRING_QUOTES

type CmdObjMatcher added in v0.40.0 

type CmdObjMatcher struct {
	// contains filtered or unexported fields
}

type CredentialStrategy added in v0.32.1 

type CredentialStrategy int
const (
	// do not expect a credential request. If we end up getting one
	// we'll be in trouble because the command will hang indefinitely
	NONE CredentialStrategy = iota
	// expect a credential request and if we get one, prompt the user to enter their username/password
	PROMPT
	// in this case we will check for a credential request (i.e. the command pauses to ask for
	// username/password) and if we get one, we just submit a newline, forcing the
	// command to fail. We use this e.g. for a background `git fetch` to prevent it
	// from hanging indefinitely.
	FAIL
)

type CredentialType added in v0.32.1 

type CredentialType int
const (
	Password CredentialType = iota
	Username
	Passphrase
	PIN
)

type FakeCmdObjRunner added in v0.32.1 

type FakeCmdObjRunner struct {
	// contains filtered or unexported fields
}

func NewFakeRunner added in v0.32.1 

func NewFakeRunner(t *testing.T) *FakeCmdObjRunner

func (*FakeCmdObjRunner) CheckForMissingCalls added in v0.32.1 

func (self *FakeCmdObjRunner) CheckForMissingCalls()

func (*FakeCmdObjRunner) ExpectArgs added in v0.32.1 

func (self *FakeCmdObjRunner) ExpectArgs(expectedArgs []string, output string, err error) *FakeCmdObjRunner

func (*FakeCmdObjRunner) ExpectFunc added in v0.32.1 

func (self *FakeCmdObjRunner) ExpectFunc(description string, fn func(cmdObj ICmdObj) bool, output string, err error) *FakeCmdObjRunner

func (*FakeCmdObjRunner) ExpectGitArgs added in v0.32.1 

func (self *FakeCmdObjRunner) ExpectGitArgs(expectedArgs []string, output string, err error) *FakeCmdObjRunner

func (*FakeCmdObjRunner) Run added in v0.32.1 

func (self *FakeCmdObjRunner) Run(cmdObj ICmdObj) error

func (*FakeCmdObjRunner) RunAndProcessLines added in v0.32.1 

func (self *FakeCmdObjRunner) RunAndProcessLines(cmdObj ICmdObj, onLine func(line string) (bool, error)) error

func (*FakeCmdObjRunner) RunWithOutput added in v0.32.1 

func (self *FakeCmdObjRunner) RunWithOutput(cmdObj ICmdObj) (string, error)

func (*FakeCmdObjRunner) RunWithOutputs added in v0.36.0 

func (self *FakeCmdObjRunner) RunWithOutputs(cmdObj ICmdObj) (string, string, error)

type ICmdObj added in v0.30.1 

type ICmdObj interface {
	GetCmd() *exec.Cmd
	// outputs string representation of command. Note that if the command was built
	// using NewFromArgs, the output won't be quite the same as what you would type
	// into a terminal e.g. 'sh -c git commit' as opposed to 'sh -c "git commit"'
	ToString() string

	// outputs args vector e.g. ["git", "commit", "-m", "my message"]
	Args() []string

	AddEnvVars(...string) ICmdObj
	GetEnvVars() []string

	// sets the working directory
	SetWd(string) ICmdObj

	// runs the command and returns an error if any
	Run() error
	// runs the command and returns the output as a string, and an error if any
	RunWithOutput() (string, error)
	// runs the command and returns stdout and stderr as a string, and an error if any
	RunWithOutputs() (string, string, error)
	// runs the command and runs a callback function on each line of the output. If the callback returns true for the boolean value, we kill the process and return.
	RunAndProcessLines(onLine func(line string) (bool, error)) error

	// Be calling DontLog(), we're saying that once we call Run(), we don't want to
	// log the command in the UI (it'll still be logged in the log file). The general rule
	// is that if a command doesn't change the git state (e.g. read commands like `git diff`)
	// then we don't want to log it. If we are changing something (e.g. `git add .`) then
	// we do. The only exception is if we're running a command in the background periodically
	// like `git fetch`, which technically does mutate stuff but isn't something we need
	// to notify the user about.
	DontLog() ICmdObj

	// This returns false if DontLog() was called
	ShouldLog() bool

	// when you call this, then call Run(), we'll stream the output to the cmdWriter (i.e. the command log panel)
	StreamOutput() ICmdObj
	// returns true if StreamOutput() was called
	ShouldStreamOutput() bool

	// if you call this before ShouldStreamOutput we'll consider an error with no
	// stderr content as a non-error. Not yet supported for Run or RunWithOutput (
	// but adding support is trivial)
	IgnoreEmptyError() ICmdObj
	// returns true if IgnoreEmptyError() was called
	ShouldIgnoreEmptyError() bool

	PromptOnCredentialRequest(task gocui.Task) ICmdObj
	FailOnCredentialRequest() ICmdObj

	WithMutex(mutex *deadlock.Mutex) ICmdObj
	Mutex() *deadlock.Mutex

	GetCredentialStrategy() CredentialStrategy
	GetTask() gocui.Task

	Clone() ICmdObj
}

A command object is a general way to represent a command to be run on the command line.

type ICmdObjBuilder added in v0.32.1 

type ICmdObjBuilder interface {
	// NewFromArgs takes a slice of strings like []string{"git", "commit"} and returns a new command object.
	New(args []string) ICmdObj
	// NewShell takes a string like `git commit` and returns an executable shell command for it e.g. `sh -c 'git commit'`
	NewShell(commandStr string) ICmdObj
	// Quote wraps a string in quotes with any necessary escaping applied. The reason for bundling this up with the other methods in this interface is that we basically always need to make use of this when creating new command objects.
	Quote(str string) string
}

type ICmdObjRunner added in v0.32.1 

type ICmdObjRunner interface {
	Run(cmdObj ICmdObj) error
	RunWithOutput(cmdObj ICmdObj) (string, error)
	RunWithOutputs(cmdObj ICmdObj) (string, string, error)
	RunAndProcessLines(cmdObj ICmdObj, onLine func(line string) (bool, error)) error
}

type OSCommand 

type OSCommand struct {
	*common.Common
	Platform *Platform

	Cmd *CmdObjBuilder
	// contains filtered or unexported fields
}

OSCommand holds all the os commands

func NewDummyOSCommand 

func NewDummyOSCommand() *OSCommand

NewDummyOSCommand creates a new dummy OSCommand for testing

func NewDummyOSCommandWithDeps added in v0.32.1 

func NewDummyOSCommandWithDeps(deps OSCommandDeps) *OSCommand

func NewDummyOSCommandWithRunner added in v0.32.1 

func NewDummyOSCommandWithRunner(runner *FakeCmdObjRunner) *OSCommand

func NewOSCommand 

func NewOSCommand(common *common.Common, config config.AppConfigurer, platform *Platform, guiIO *guiIO) *OSCommand

NewOSCommand os command runner

func (*OSCommand) AppendLineToFile 

func (c *OSCommand) AppendLineToFile(filename, line string) error

AppendLineToFile adds a new line in file

func (*OSCommand) CopyToClipboard 

func (c *OSCommand) CopyToClipboard(str string) error

func (*OSCommand) CreateFileWithContent 

func (c *OSCommand) CreateFileWithContent(path string, content string) error

CreateFileWithContent creates a file with the given content

func (*OSCommand) FileExists 

func (c *OSCommand) FileExists(path string) (bool, error)

FileExists checks whether a file exists at the specified path

func (*OSCommand) GetTempDir added in v0.35.0 

func (c *OSCommand) GetTempDir() string

func (*OSCommand) Getenv 

func (c *OSCommand) Getenv(key string) string

func (*OSCommand) LogCommand added in v0.28.1 

func (c *OSCommand) LogCommand(cmdStr string, commandLine bool)

func (*OSCommand) OpenFile 

func (c *OSCommand) OpenFile(filename string) error
func (c *OSCommand) OpenLink(link string) error

func (*OSCommand) PipeCommands 

func (c *OSCommand) PipeCommands(cmdObjs ...ICmdObj) error

PipeCommands runs a heap of commands and pipes their inputs/outputs together like A | B | C

func (*OSCommand) Quote 

func (c *OSCommand) Quote(message string) string

Quote wraps a message in platform-specific quotation marks

func (*OSCommand) Remove 

func (c *OSCommand) Remove(filename string) error

Remove removes a file or directory at the specified path

func (*OSCommand) RemoveFile added in v0.28.1 

func (c *OSCommand) RemoveFile(path string) error

func (*OSCommand) UpdateWindowTitle added in v0.35.0 

func (c *OSCommand) UpdateWindowTitle() error

type OSCommandDeps added in v0.32.1 

type OSCommandDeps struct {
	Common       *common.Common
	Platform     *Platform
	GetenvFn     func(string) string
	RemoveFileFn func(string) error
	Cmd          *CmdObjBuilder
	TempDir      string
}

type Platform 

type Platform struct {
	OS              string
	Shell           string
	ShellArg        string
	OpenCommand     string
	OpenLinkCommand string
}

Platform stores the os state

func GetPlatform added in v0.32.1 

func GetPlatform() *Platform

Source Files

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