support building arm 32 binary

Makefile

@@ -8,6 +8,12 @@ bootstrap: vendor
 clean:
 	-rm package-scanner
 
+.PHONY: clean-all
+clean-all: clean
+	-rm -rf vendor
+	(cd tools/grype-bin && rm -rf grype*)
+	(cd tools/syft-bin && rm -rf syft*)
+
 .PHONY: vendor
 vendor:
 	go mod tidy -v

go.mod

@@ -16,7 +16,6 @@ require (
 	github.com/olekukonko/tablewriter v0.0.5
 	github.com/sirupsen/logrus v1.9.3
 	google.golang.org/grpc v1.60.1
-	google.golang.org/protobuf v1.32.0
 )
 
 require (
@@ -91,5 +90,6 @@ require (
 	golang.org/x/tools v0.10.0 // indirect
 	google.golang.org/genproto v0.0.0-20231002182017-d307bd883b97 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20231002182017-d307bd883b97 // indirect
+	google.golang.org/protobuf v1.32.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

tools/embed.go

@@ -8,6 +8,6 @@ var (
 	//go:embed syft-bin/syft.bin
 	SyftBin []byte
 
-	//go:embed grype-bin/grype
+	//go:embed grype-bin/grype.bin
 	GrypeBin []byte
 )

tools/grype-bin/get_grype.sh

@@ -5,19 +5,26 @@ set -eux
 VERSION=0.73.1
 
 HOST_OS=$(uname -s | tr '[:upper:]' '[:lower:]')
-HOST_ARCH=$(uname -m)
+HOST_ARCH="${GOARCH:=$(uname -m)}"
 
 if [ "$HOST_ARCH" = "x86_64" ]; then
     HOST_ARCH="amd64"
 elif [ "$HOST_ARCH" = "aarch64" ]; then
     HOST_ARCH="arm64"
+elif [ "$HOST_ARCH" = "arm" ]; then
+    HOST_ARCH="arm"
 fi
 
 ARCHITECTURE="${TARGETPLATFORM:-$HOST_OS/$HOST_ARCH}"
 
 IFS=/ read BUILD_OS BUILD_ARCH <<< $ARCHITECTURE
 
-rm -rf grype_*.tar.gz grype
+rm -rf grype*
 
-curl -fsSLO https://github.com/anchore/grype/releases/download/v${VERSION}/grype_${VERSION}_${BUILD_OS}_${BUILD_ARCH}.tar.gz
-tar -zxvf grype_${VERSION}_${BUILD_OS}_${BUILD_ARCH}.tar.gz grype
+git clone https://github.com/anchore/grype.git --branch v$VERSION || true
+(
+    cd grype/cmd/grype
+    export CGO_ENABLED=0
+    GOOS="$BUILD_OS" GOARCH="$BUILD_ARCH" go build -o grype.bin .
+    cp grype.bin ../../../
+)

tools/syft-bin/get_syft.sh

@@ -2,20 +2,26 @@
 
 set -eux
 
+RELEASE=optimise-resolver-2
+
 HOST_OS=$(uname -s | tr '[:upper:]' '[:lower:]')
-HOST_ARCH=$(uname -m)
+HOST_ARCH="${GOARCH:=$(uname -m)}"
 
 if [ "$HOST_ARCH" = "x86_64" ]; then
     HOST_ARCH="amd64"
 elif [ "$HOST_ARCH" = "aarch64" ]; then
     HOST_ARCH="arm64"
+elif [ "$HOST_ARCH" = "arm" ]; then
+    HOST_ARCH="arm"
 fi
 
 ARCHITECTURE="${TARGETPLATFORM:-$HOST_OS/$HOST_ARCH}"
 
 IFS=/ read BUILD_OS BUILD_ARCH <<< $ARCHITECTURE
 
-git clone https://github.com/deepfence/syft.git --branch optimise-resolver-2 || true
+rm -rf syft*
+
+git clone https://github.com/deepfence/syft.git --branch $RELEASE || true
 (
     cd syft/cmd/syft
     export CGO_ENABLED=0