Remove uninstall-lj and uninstall-rocks commands

help.go

@@ -63,6 +63,10 @@ Commands:
     If the version of luarocks is specified along with the version of lua, the
     operation will target the specified version of the lua environment.
     Otherwise, the operation will target the current lua environment.
+
+    In the case of the 'uninstall' command, the version specifier must match the
+    target version exactly. Also, if the version of luarocks is specified along
+    with the version of lua, the version specifier of luarocks is ignored.
 `)
 	osExit(rc)
 }

install.go

@@ -438,7 +438,7 @@ func doInstall(cfg *TargetConfig, item *VerItem, opts []string) {
 }
 
 func CmdInstall(opts []string) {
-	target := PickTargetVersion(opts[0])
+	target := PickTargetVersion(opts[0], false)
 	if target.Lua != nil {
 		doInstall(target.Lua.Config, target.Lua.Version, opts[1:])
 	}

main.go

@@ -273,7 +273,7 @@ type TargetVersion struct {
 	LuaRocks *Target
 }
 
-func PickTargetVersion(vers string) *TargetVersion {
+func PickTargetVersion(vers string, exactMatch bool) *TargetVersion {
 	// check target version
 	if len(vers) == 0 || vers == ":" {
 		CmdHelp(1, "no version specified")
@@ -292,21 +292,21 @@ func PickTargetVersion(vers string) *TargetVersion {
 			// if `lj-' prefix is specified, then the target is LuaJIT version
 			target.Lua = &Target{
 				Config:  LuaJitCfg,
-				Version: PickTargetVersionItem(LuaJitCfg, vers[3:]),
+				Version: PickTargetVersionItem(LuaJitCfg, vers[3:], exactMatch),
 			}
 		} else {
 			// otherwise the target is Lua version.
 			target.Lua = &Target{
 				Config:  LuaCfg,
-				Version: PickTargetVersionItem(LuaCfg, vers),
+				Version: PickTargetVersionItem(LuaCfg, vers, exactMatch),
 			}
 		}
 	}
 
 	if len(rocksVer) > 0 {
 		target.LuaRocks = &Target{
 			Config:  LuaRocksCfg,
-			Version: PickTargetVersionItem(LuaRocksCfg, rocksVer),
+			Version: PickTargetVersionItem(LuaRocksCfg, rocksVer, exactMatch),
 		}
 	}
 

uninstall.go

@@ -23,7 +23,7 @@ func uninstall(t *Target) {
 }
 
 func CmdUninstall(opts []string) {
-	target := PickTargetVersion(opts[0])
+	target := PickTargetVersion(opts[0], true)
 
 	// uninstall the specified version of lua
 	if target.Lua != nil {

use.go

@@ -49,7 +49,7 @@ func UseInstalledVersion(cfg *TargetConfig, ver string) {
 }
 
 func CmdUse(opts []string) {
-	target := PickTargetVersion(opts[0])
+	target := PickTargetVersion(opts[0], false)
 	if target.Lua != nil {
 		UseInstalledVersion(target.Lua.Config, target.Lua.Version.Ver)
 	}

vers.go

@@ -282,14 +282,20 @@ func ListTargetVersions(cfg *TargetConfig) string {
 	return b.String()
 }
 
-func PickTargetVersionItem(cfg *TargetConfig, ver string) *VerItem {
+func PickTargetVersionItem(cfg *TargetConfig, ver string, exactMatch bool) *VerItem {
 	print("check %s version %q definition ... ", cfg.Name, ver)
 	vers, err := NewVersionsFromFile(cfg.VersionFile)
 	if err != nil {
 		fatalf("failed to read version file %q: %v", cfg.VersionFile, err)
 	}
 
-	item := vers.PickItem(ver)
+	var item *VerItem
+	if exactMatch {
+		item = vers.GetItem(ver)
+	} else {
+		item = vers.PickItem(ver)
+	}
+
 	if item == nil {
 		printf("not found")
 		fatalf("%s version %q does not defined in %q\n%s", cfg.Name, ver, cfg.VersionFile, ListTargetVersions(cfg))