build!: set datadir of hilbish and change default prefix to /usr/local (#221)

BREAKING (ish) CHANGE: Hilbish will by default install to `/usr/local`. To revert this, set `PREFIX="/usr/"`

Taskfile.yaml

@@ -3,19 +3,19 @@
 version: '3'
 
 vars:
-  PREFIX: '{{default "/usr" .PREFIX}}'
+  PREFIX: '{{default "/usr/local" .PREFIX}}'
   bindir__: '{{.PREFIX}}/bin'
   BINDIR: '{{default .bindir__ .BINDIR}}'
   libdir__: '{{.PREFIX}}/share/hilbish'
   LIBDIR: '{{default .libdir__ .LIBDIR}}'
-  GOFLAGS: '-ldflags "-s -w"'
+  GOFLAGS: '-ldflags "-s -w -X main.dataDir={{.LIBDIR}}"'
 
 tasks:
   default:
     cmds:
       - CGO_ENABLED=0 go build {{.GOFLAGS}}
     vars:
-      GOFLAGS: '-ldflags "-s -w -X main.gitCommit=$(git rev-parse --short HEAD) -X main.gitBranch=$(git rev-parse --abbrev-ref HEAD)"'
+      GOFLAGS: '-ldflags "-s -w -X main.dataDir={{.LIBDIR}} -X main.gitCommit=$(git rev-parse --short HEAD) -X main.gitBranch=$(git rev-parse --abbrev-ref HEAD)"'
 
   build:
     cmds:

vars_linux.go

@@ -14,7 +14,7 @@ var (
 	.. hilbish.userDir.config	.. '/hilbish/?/init.lua;'
 	.. hilbish.userDir.config	.. '/hilbish/?/?.lua;'
 	.. hilbish.userDir.config	.. '/hilbish/?.lua'`
-	dataDir = "/usr/share/hilbish"
+	dataDir = "/usr/local/share/hilbish"
 	preloadPath = dataDir + "/nature/init.lua"
 	sampleConfPath = dataDir + "/.hilbishrc.lua" // Path to default/sample config
 	defaultConfDir = ""