Tidy up make generate target

.github/workflows/main.yml

@@ -134,7 +134,7 @@ jobs:
           ${{ runner.os }}-go1.16.2-
     - name: Generate
       run: |
-        make completions
+        make generate
         git diff --exit-code
   lint:
     runs-on: ubuntu-18.04

Makefile

@@ -29,16 +29,18 @@ run:
 test:
 	$(GO) test ./...
 
+.PHONY: generate
+generate: completions assets/scripts/install.sh
+
 .PHONY: completions
 completions:
 	$(GO) run . completion bash -o completions/chezmoi-completion.bash
 	$(GO) run . completion fish -o completions/chezmoi.fish
 	$(GO) run . completion powershell -o completions/chezmoi.ps1
 	$(GO) run . completion zsh -o completions/chezmoi.zsh
 
-.PHONY: generate-install.sh
-generate-install.sh:
-	$(GO) run ./internal/cmd/generate-install.sh > assets/scripts/install.sh
+assets/scripts/install.sh: internal/cmd/generate-install.sh/install.sh.tmpl internal/cmd/generate-install.sh/main.go
+	$(GO) run ./internal/cmd/generate-install.sh > $@
 
 .PHONY: lint
 lint: ensure-golangci-lint

docs/CONTRIBUTING.md

@@ -38,15 +38,17 @@ Run chezmoi:
 
 ## Generated code
 
-chezmoi generates shell completions, embedded files, and the website from a
+chezmoi generates shell completions, the install script, and the website from a
 single source of truth. You must run
 
-    make completions
+    make generate
 
 if you change includes any of the following:
 
-* Add or modify a command.
-* Add or modify a command's flags.
+* Adds or modifies a command.
+* Adds or modifies a command's flags.
+* Adds or modifies the list of supported OSs and architectures.
+* Modifies the install script template.
 
 chezmoi's continuous integration verifies that all generated files are up to
 date. Changes to generated files should be included in the commit that modifies
@@ -78,7 +80,7 @@ that:
   entry in `docs/HOWTO.md` and a complete description in `docs/REFERENCE.md`.
 
 * All generated files are up to date. You can ensure this by running `make
-  completions` and including any modified files in your commit.
+  generate` and including any modified files in your commit.
 
 * The code is correctly formatted, according to
   [`gofumports`](https://mvdan.cc/gofumpt/gofumports). You can ensure this by