forked from toolshed/abra
		
	
		
			
				
	
	
		
			43 lines
		
	
	
		
			949 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			949 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| package git
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| 
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| import (
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| 	"fmt"
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| 	"os/exec"
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| 
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| 	"coopcloud.tech/abra/pkg/log"
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| )
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| 
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| // getGitDiffArgs builds the `git diff` invocation args. It removes the usage
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| // of a pager and ensures that colours are specified even when Git might detect
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| // otherwise.
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| func getGitDiffArgs(repoPath string) []string {
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| 	return []string{
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| 		"-C",
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| 		repoPath,
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| 		"--no-pager",
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| 		"-c",
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| 		"color.diff=always",
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| 		"diff",
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| 	}
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| }
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| 
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| // DiffUnstaged shows a `git diff`. Due to limitations in the underlying go-git
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| // library, this implementation requires the /usr/bin/git binary. It gracefully
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| // skips if it cannot find the command on the system.
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| func DiffUnstaged(path string) error {
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| 	if _, err := exec.LookPath("git"); err != nil {
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| 		log.Warnf("unable to locate git command, cannot output diff")
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| 		return nil
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| 	}
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| 
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| 	gitDiffArgs := getGitDiffArgs(path)
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| 	diff, err := exec.Command("git", gitDiffArgs...).Output()
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| 	if err != nil {
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| 		return nil
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| 	}
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| 
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| 	fmt.Print(string(diff))
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| 
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| 	return nil
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| }
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