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Fix git grep search limit, add test #30071

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merged 1 commit into from
Mar 25, 2024
Merged

Fix git grep search limit, add test #30071

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8 changes: 7 additions & 1 deletion modules/git/grep.go
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ type GrepResult struct {

type GrepOptions struct {
RefName string
MaxResultLimit int
ContextLineNumber int
IsFuzzy bool
}
Expand Down Expand Up @@ -59,6 +60,7 @@ func GrepSearch(ctx context.Context, repo *Repository, search string, opts GrepO
cmd.AddOptionValues("-e", strings.TrimLeft(search, "-"))
}
cmd.AddDynamicArguments(util.IfZero(opts.RefName, "HEAD"))
opts.MaxResultLimit = util.IfZero(opts.MaxResultLimit, 50)
stderr := bytes.Buffer{}
err = cmd.Run(&RunOpts{
Dir: repo.Path,
Expand All @@ -82,7 +84,7 @@ func GrepSearch(ctx context.Context, repo *Repository, search string, opts GrepO
continue
}
if line == "" {
if len(results) >= 50 {
if len(results) >= opts.MaxResultLimit {
cancel()
break
}
Expand All @@ -101,6 +103,10 @@ func GrepSearch(ctx context.Context, repo *Repository, search string, opts GrepO
return scanner.Err()
},
})
// git grep exits by cancel (killed), usually it is caused by the limit of results
if IsErrorExitCode(err, -1) && stderr.Len() == 0 {
return results, nil
}
// git grep exits with 1 if no results are found
if IsErrorExitCode(err, 1) && stderr.Len() == 0 {
return nil, nil
Expand Down
10 changes: 10 additions & 0 deletions modules/git/grep_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,16 @@ func TestGrepSearch(t *testing.T) {
},
}, res)

res, err = GrepSearch(context.Background(), repo, "void", GrepOptions{MaxResultLimit: 1})
assert.NoError(t, err)
assert.Equal(t, []*GrepResult{
{
Filename: "java-hello/main.java",
LineNumbers: []int{3},
LineCodes: []string{" public static void main(String[] args)"},
},
}, res)

res, err = GrepSearch(context.Background(), repo, "no-such-content", GrepOptions{})
assert.NoError(t, err)
assert.Len(t, res, 0)
Expand Down