Add RISC-V (riscv64) architecture support (#1008)

* Initial plan

* Add RISC-V (riscv64) support to croc build and installer

Co-authored-by: schollz <[email protected]>

* Use GitHub Actions instead of goreleaser for RISC-V builds

Co-authored-by: schollz <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: schollz <[email protected]>

Author: Copilot

.github/workflows/ci.yml

@@ -36,6 +36,7 @@ jobs:
           CGO_ENABLED=0 GOOS=linux GOARCH=arm go build -ldflags '-extldflags "-static"' -o croc-linux-arm
           GOARM=5 CGO_ENABLED=0 GOOS=linux GOARCH=arm go build -ldflags '-extldflags "-static"' -o croc-linux-arm5
           CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -ldflags '-extldflags "-static"' -o croc-linux-arm64
+          CGO_ENABLED=0 GOOS=linux GOARCH=riscv64 go build -ldflags '-extldflags "-static"' -o croc-linux-riscv64
           CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build -ldflags '-s -extldflags "-sectcreate __TEXT __info_plist Info.plist"' -o croc-darwin-amd64
           CGO_ENABLED=0 GOOS=darwin GOARCH=arm64 go build -ldflags '-s -extldflags "-sectcreate __TEXT __info_plist Info.plist"' -o croc-darwin-arm64
           CGO_ENABLED=0 GOOS=freebsd GOARCH=amd64 go build -ldflags '' -o croc-freebsd-amd64

.github/workflows/release.yml

@@ -86,6 +86,11 @@ jobs:
             name: Linux-ARM64
             ext: ""
             archive: tar.gz
+          - goos: linux
+            goarch: riscv64
+            name: Linux-RISCV64
+            ext: ""
+            archive: tar.gz
 
           # macOS builds
           - goos: darwin

src/install/default.txt

@@ -595,6 +595,7 @@ main() {
      "armv8l" ) croc_arch="ARM";;
      "armv9l" ) croc_arch="ARM";;
        "i686" ) croc_arch="32bit";;
+    "riscv64" ) croc_arch="RISCV64";;
             * ) croc_arch="unknown";;
   esac