43 lines
949 B
Go
43 lines
949 B
Go
package git
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import (
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"fmt"
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"os/exec"
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"coopcloud.tech/abra/pkg/log"
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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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// 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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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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fmt.Print(string(diff))
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return nil
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}
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