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69 lines
1.5 KiB
Go
69 lines
1.5 KiB
Go
package oscommands
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import (
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"os/exec"
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)
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// A command object is a general way to represent a command to be run on the
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// command line.
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type ICmdObj interface {
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GetCmd() *exec.Cmd
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ToString() string
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AddEnvVars(...string) ICmdObj
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GetEnvVars() []string
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// runs the command and returns an error if any
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Run() error
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// runs the command and returns the output as a string, and an error if any
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RunWithOutput() (string, error)
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// 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.
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RunAndProcessLines(onLine func(line string) (bool, error)) error
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// logs command
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Log() ICmdObj
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}
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type CmdObj struct {
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cmdStr string
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cmd *exec.Cmd
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runner ICmdObjRunner
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logCommand func(ICmdObj)
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}
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func (self *CmdObj) GetCmd() *exec.Cmd {
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return self.cmd
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}
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func (self *CmdObj) ToString() string {
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return self.cmdStr
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}
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func (self *CmdObj) AddEnvVars(vars ...string) ICmdObj {
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self.cmd.Env = append(self.cmd.Env, vars...)
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return self
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}
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func (self *CmdObj) GetEnvVars() []string {
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return self.cmd.Env
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}
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func (self *CmdObj) Log() ICmdObj {
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self.logCommand(self)
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return self
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}
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func (self *CmdObj) Run() error {
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return self.runner.Run(self)
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}
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func (self *CmdObj) RunWithOutput() (string, error) {
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return self.runner.RunWithOutput(self)
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}
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func (self *CmdObj) RunAndProcessLines(onLine func(line string) (bool, error)) error {
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return self.runner.RunAndProcessLines(self, onLine)
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}
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