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fix(utilities): reject empty sourceDS in BuildVRT/Warp/VectorTranslate #113

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Merged
martende merged 1 commit into from
May 31, 2026
Merged

fix(utilities): reject empty sourceDS in BuildVRT/Warp/VectorTranslate #113

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9 changes: 9 additions & 0 deletions utilities.go
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,9 @@ func Info(sourceDS Dataset, options []string) string {
}

func BuildVRT(dstDS string, sourceDS []Dataset, srcDSFilePath, options []string) (Dataset, error) {
if len(sourceDS) == 0 {
return Dataset{}, fmt.Errorf("BuildVRT: sourceDS must not be empty")
}
if dstDS == "" {
dstDS = "MEM:::"
if !stringArrayContains(options, "-of") {
Expand Down Expand Up @@ -103,6 +106,9 @@ func BuildVRT(dstDS string, sourceDS []Dataset, srcDSFilePath, options []string)
}

func Warp(dstDS string, destDS *Dataset, sourceDS []Dataset, options []string) (Dataset, error) {
if len(sourceDS) == 0 {
return Dataset{}, fmt.Errorf("Warp: sourceDS must not be empty")
}
if dstDS == "" && destDS == nil {
dstDS = "MEM:::"
if !stringArrayContains(options, "-of") {
Expand Down Expand Up @@ -176,6 +182,9 @@ func Translate(dstDS string, sourceDS Dataset, options []string) (Dataset, error
}

func VectorTranslate(dstDS string, sourceDS []Dataset, options []string) (Dataset, error) {
if len(sourceDS) == 0 {
return Dataset{}, fmt.Errorf("VectorTranslate: sourceDS must not be empty")
}
if dstDS == "" {
dstDS = "MEM:::"
if !stringArrayContains(options, "-f") {
Expand Down