Makefile: add help-targets target and revert help to simple as pr…

…evious

Signed-off-by: Norio Nomura <norio.nomura@gmail.com>

Makefile

@@ -55,24 +55,34 @@ help:
 	@echo  '  binaries        - Build all binaries'
 	@echo  '  manpages        - Build manual pages'
 	@echo
-	@echo  '  limactl         - Build limactl, and lima'
-	@echo  '  lima            - Copy lima, and lima.bat'
-	@echo  '  helpers         - Copy nerdctl.lima, apptainer.lima, docker.lima, podman.lima, kubectl.lima'
+	@echo  "  Use 'make help-targets' to see additional targets."
+
+.PHONY: help-targets
+help-targets:
+	@echo  '# Targets can be categorized by their location.'
+	@echo
+	@echo  'Targets for files in _output/bin/:'
+	@echo  '- limactl                   : Build limactl, and lima'
+	@echo  '- lima                      : Copy lima, and lima.bat'
+	@echo  '- helpers                   : Copy nerdctl.lima, apptainer.lima, docker.lima, podman.lima, and kubectl.lima'
 	@echo
-	@echo  '  guestagents               - Build guestagents for archs enabled by CONFIG_GUESTAGENT_ARCHS_*'
-	@echo  '  native-guestagent         - Build guestagent for native arch'
-	@echo  '  additional-guestagents    - Build guestagents for archs other than native arch'
+	@echo  'Targets for files in _output/share/lima/:'
+	@echo  '- guestagents               : Build guestagents for archs enabled by CONFIG_GUESTAGENT_ARCHS_*'
+	@echo  '- native-guestagent         : Build guestagent for native arch'
+	@echo  '- additional-guestagents    : Build guestagents for archs other than native arch'
 	@echo
-	@echo  '  templates                 - Copy templates'
-	@echo  '  template_experimentals    - Copy experimental templates'
-	@echo  '  default_template          - Copy default.yaml template'
-	@echo  '  create-examples-link      - Create a symlink at _output/share/lima/examples pointing to _output/share/lima/templates'
+	@echo  'Targets for files in _output/share/lima/templates/:'
+	@echo  '- templates                 : Copy templates'
+	@echo  '- template_experimentals    : Copy experimental templates to experimental/'
+	@echo  '- default_template          : Copy default.yaml template'
+	@echo  '- create-examples-link      : Create a symlink at ../examples pointing to templates'
 	@echo
-	@echo  '  documents                 - Copy documents'
-	@echo  '  create-links-in-documents - Create symlinks in documents'
+	@echo  'Targets for files in _output/share/doc/lima:'
+	@echo  '- documents                 : Copy documents to _output/share/doc/lima'
+	@echo  '- create-links-in-documents : Create some symlinks pointing ../../lima/templates'
 	@echo
-	@echo  '  e.g. to install limactl, native guestagent, and templates:'
-	@echo  '   make clean limactl native-guestagent templates install'
+	@echo  '# e.g. to install limactl, helpers, native guestagent, and templates:'
+	@echo  '#   make native install'
 
 exe: _output/bin/limactl$(exe)