chore: revert go-git changes (#112)

* chore: revert go-git changes

Signed-off-by: Siddhant N Trivedi <siddhant@deepsource.io>

* chore: tidy go modules

Signed-off-by: Siddhant N Trivedi <siddhant@deepsource.io>

* Update command/report/git.go

Author: siddhant-deepsource

command/report/git.go

@@ -1,12 +1,13 @@
 package report
 
 import (
+	"bytes"
 	"fmt"
 	"os"
+	"os/exec"
+	"strings"
 
 	"github.com/getsentry/sentry-go"
-	"github.com/go-git/go-git/v5"
-	"github.com/go-git/go-git/v5/plumbing"
 )
 
 // gitGetHead accepts a git directory and returns head commit OID / error
@@ -61,22 +62,21 @@ func gitGetHead(workspaceDir string) (string, error) {
 }
 
 // Fetches the latest commit hash using the command `git rev-parse HEAD`
-// through go-git
+// through git
 func fetchHeadManually(directoryPath string) (string, error) {
-	gitOpts := &git.PlainOpenOptions{
-		DetectDotGit: true,
-	}
+	cmd := exec.Command("git", "--no-pager", "rev-parse", "HEAD")
+	cmd.Dir = directoryPath
 
-	// Open a new repository targeting the given path (the .git folder)
-	repo, err := git.PlainOpenWithOptions(directoryPath, gitOpts)
-	if err != nil {
-		return "", err
-	}
+	var stdout, stderr bytes.Buffer
+	cmd.Stdout = &stdout
+	cmd.Stderr = &stderr
 
-	// Resolve revision into a sha1 commit
-	commitHash, err := repo.ResolveRevision(plumbing.Revision("HEAD"))
+	err := cmd.Run()
+	outStr, _ := stdout.String(), stderr.String()
 	if err != nil {
 		return "", err
 	}
-	return commitHash.String(), nil
+
+	// Trim newline suffix from Commit OID
+	return strings.TrimSuffix(outStr, "\n"), nil
 }

go.mod

@@ -5,32 +5,26 @@ go 1.16
 require (
 	github.com/AlecAivazis/survey/v2 v2.2.12
 	github.com/Jeffail/gabs/v2 v2.6.1
-	github.com/Microsoft/go-winio v0.5.1 // indirect
-	github.com/ProtonMail/go-crypto v0.0.0-20211112122917-428f8eabeeb3 // indirect
 	github.com/cli/browser v1.1.0
 	github.com/deepsourcelabs/graphql v0.2.2
 	github.com/fatih/color v1.12.0
 	github.com/getsentry/sentry-go v0.6.0
-	github.com/go-git/go-git-fixtures/v4 v4.2.2 // indirect
-	github.com/go-git/go-git/v5 v5.4.2
 	github.com/google/go-cmp v0.5.5 // indirect
-	github.com/kevinburke/ssh_config v1.1.0 // indirect
 	github.com/kr/pretty v0.3.0 // indirect
 	github.com/matryer/is v1.4.0 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
 	github.com/mitchellh/mapstructure v1.4.1 // indirect
 	github.com/owenrumney/go-sarif/v2 v2.1.0
 	github.com/pelletier/go-toml v1.9.2
+	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pterm/pterm v0.12.23
 	github.com/rogpeppe/go-internal v1.8.0 // indirect
-	github.com/sergi/go-diff v1.2.0 // indirect
 	github.com/spf13/cobra v1.1.3
 	github.com/spf13/viper v1.7.1
-	github.com/xanzy/ssh-agent v0.3.1 // indirect
 	github.com/xeipuuv/gojsonschema v1.2.0
 	golang.org/x/crypto v0.0.0-20211202192323-5770296d904e // indirect
-	golang.org/x/net v0.0.0-20211209124913-491a49abca63 // indirect
 	golang.org/x/sys v0.0.0-20211205182925-97ca703d548d // indirect
 	golang.org/x/text v0.3.7 // indirect
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 )