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build: package haul.exe with an embedded icon

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A plain `go build` links no icon resource, so Explorer and the Start menu
draw the generic executable glyph. Inno's SetupIconFile only skins
setup.exe, so the fix has to happen at build time: `fyne package` turns
cmd/haul/Icon.png into a .syso and links it in, and adds -H=windowsgui
itself.

Documents the installer build alongside it, since the two steps are only
useful together.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Ben Nicholson
2026-08-01 08:17:26 +10:00
parent e845f63d9e
commit 9ddc152103
2 changed files with 77 additions and 3 deletions
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Makefile
+22 -2
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@@ -12,7 +12,7 @@ GO ?= $(shell test -x $(HOME)/.local/go/bin/go && echo $(HOME)/.local/go/bin/go
# FYNE=/path/to/fyne if you'd rather use an installed copy.
FYNE ?= $(GO) run fyne.io/tools/cmd/fyne@v1.7.2
.PHONY: build install test vet check run run-xvfb dist package-darwin clean
.PHONY: build install test vet check run run-xvfb dist package-darwin package-windows clean
build: ## Build a native binary into ./bin/haul
$(GO) build -trimpath -ldflags "$(LDFLAGS)" -o bin/haul ./cmd/haul
@@ -80,5 +80,25 @@ package-darwin: ## Package haul.app for macOS (run this on a Mac)
$(FYNE) package --target darwin --src ./cmd/haul --release
@echo "built ./haul.app — drag it into /Applications"
# A plain `go build` produces a haul.exe with no icon resource, so Explorer, the
# taskbar and the Start menu all draw the generic executable icon. Nothing in
# the installer can fix that — Inno's SetupIconFile only skins setup.exe itself.
# `fyne package` generates a .syso from cmd/haul/Icon.png (it converts the PNG
# itself; cmd/haul/Icon.ico is for Inno, not for this) and links it in, so the
# icon travels with the binary. It also adds -H=windowsgui on its own, so this
# needs none of the manual linker flags the README's build command does.
#
# Run this ON Windows, from the MSYS2 UCRT64 shell if you installed make there:
# haul is cgo, so it needs the host MinGW-w64 toolchain. Like package-darwin it
# rewrites cmd/haul/FyneApp.toml in place, bumping Build.
#
# fyne writes the binary beside the source, as cmd/haul/haul.exe. Move it into
# bin/, which is where Inno-compile.iss looks for it.
package-windows: ## Package haul.exe with an embedded icon (run this on Windows)
$(FYNE) package --target windows --src ./cmd/haul --release
@mkdir -p bin
mv ./cmd/haul/haul.exe ./bin/haul.exe
@echo "built ./bin/haul.exe — compile Inno-compile.iss to wrap it in an installer"
clean: ## Remove build artifacts
rm -rf bin dist haul.app
rm -rf bin dist haul.app Output