Remove static file and use goreleaser (#83)

Author: rytswd

.github/workflows/build.yaml

@@ -12,7 +12,7 @@ on:
       - release/v*
 
 env:
-  GO_VERSION: 1.16.5
+  GO_VERSION: 1.17.5
 
 jobs:
   build:

.goreleaser.yml

@@ -2,15 +2,20 @@ builds:
   - id: importer
     binary: importer
     main: ./cmd/importer/main.go
+    env:
+      - CGO_ENABLED=0
     hooks:
-      pre: ./tools/prep-release.sh
+      pre: ./tools/prep-release.sh {{ .Tag }}
     goos:
       - darwin
       - linux
       - windows
     goarch:
       - amd64
       - arm64
+    goarm:
+      - "6"
+      - "7"
 
 brews:
   - name: importer

VERSION.txt

@@ -5,5 +5,10 @@ __root_dir=$(dirname "$0")/..
 # Fill in revision information
 git rev-parse --short HEAD >"$__root_dir"/internal/version/REVISION.txt
 
-# Copy the version info in the root dir
-cp "$__root_dir"/VERSION.txt "$__root_dir"/internal/version/VERSION.txt
+# Assuming that tag value is provided as an argument, use that as the version
+# information. If missing by any chance, this defaults to "unknown".
+__tag=$1
+if [[ -z $__tag ]]; then
+    __tag="unknown"
+fi
+echo "$__tag" >"$__root_dir"/internal/version/VERSION.txt