bsncubed
23dcfb393f
Implements the design in claude.md as a building skeleton: pure Go, no cgo, cross-compiles to a single Windows .exe from Linux. Architecture follows the spec's deliberate split. The fast path is native — tray icon, grouped submenus, a Win32 MessageBox showing a live before/after diff, then netsh. The slow path is an embedded web editor served on a random loopback port and opened in the default browser. Two decisions worth recording: Reads use GetAdaptersAddresses, writes use netsh. The spec left the enumeration mechanism open; parsing `netsh show config` breaks on a non-English Windows because the output is localised. DNS static-vs-DHCP origin is not exposed by that API, so it comes from one registry read. The netsh command plan is built in portable code. That puts the delete-every- existing-address step — the one that stops secondary addresses leaking across switches — under test without needing a Windows box. The editor requires the session token in a header for mutations, not just the cookie: any page in the browser can make it POST to 127.0.0.1 with the cookie attached, but it cannot set a header. The updater refuses to install a release that publishes no SHA256. Not yet done: no group picker for export (the API supports it), no single-instance guard, and internal/server/web/app.css is reconstructed from the description in claude.md rather than the canonical apointless.css. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
68 lines
2.7 KiB
Makefile
68 lines
2.7 KiB
Makefile
VERSION ?= 0.1.0
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# -H windowsgui suppresses the console window that would otherwise sit behind
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# the tray icon. -s -w strips the symbol table and DWARF; nothing here needs a
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# Go stack trace off a customer's laptop, and it roughly halves the binary.
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LDFLAGS := -s -w -H windowsgui -X main.version=$(VERSION)
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# Go is installed at ~/.local/go on this box and deliberately kept off PATH, so
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# prefer that toolchain and fall back to whatever `go` is in PATH elsewhere.
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GO ?= $(shell test -x $(HOME)/.local/go/bin/go && echo $(HOME)/.local/go/bin/go || echo go)
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# Pinned and run through `go run` so CI needs no separate install step.
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GOVERSIONINFO ?= $(GO) run github.com/josephspurrier/goversioninfo/cmd/goversioninfo@v1.4.1
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SYSO := cmd/ipswap/resource_windows.syso
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.PHONY: build syso test vet check dist sums clean help
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help: ## List targets
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@grep -hE '^[a-zA-Z_-]+:.*?## ' $(MAKEFILE_LIST) | awk 'BEGIN{FS=":.*?## "}{printf " %-14s %s\n", $$1, $$2}'
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# ipswap is pure Go with no cgo anywhere, which is the whole reason the tray is
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# fyne.io/systray and the dialogs are raw user32 rather than a GUI toolkit:
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# `GOOS=windows go build` cross-compiles straight from Linux, no Wine, no
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# mingw, no fyne-cross.
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build: syso ## Cross-compile bin/ipswap.exe from any host
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@mkdir -p bin
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GOOS=windows GOARCH=amd64 $(GO) build -trimpath -ldflags "$(LDFLAGS)" -o bin/ipswap.exe ./cmd/ipswap
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# The .syso carries the icon, the version resource and — the part that matters
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# — the manifest that asks for asInvoker and per-monitor DPI. A plain `go
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# build` with no .syso produces a binary with the generic executable icon and
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# the default (unaware, asInvoker-by-omission) manifest.
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#
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# -64 is not optional: goversioninfo emits a 386 object by default, and linking
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# that into an amd64 build fails with "unknown relocation type 7".
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syso: ## Generate the Windows resource object
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cd cmd/ipswap && $(GOVERSIONINFO) \
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-64 \
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-o resource_windows.syso \
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-platform-specific=false \
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versioninfo.json
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test: ## Run tests
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$(GO) test ./...
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vet: ## Run go vet for both targets
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$(GO) vet ./...
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GOOS=windows GOARCH=amd64 $(GO) vet ./...
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# The Windows-only files (netsh, user32, the registry) are the bulk of the
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# risk, and a Linux `go build` never looks at them. This is the cheap way to
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# keep them compiling.
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check: test vet ## Typecheck both targets and run tests
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GOOS=windows GOARCH=amd64 $(GO) build ./...
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dist: build sums ## Build the release artifacts into dist/
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@echo "dist/ contains:" && ls -1 dist
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sums: ## Write dist/SHA256SUMS for the built binary
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@mkdir -p dist
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@cp bin/ipswap.exe dist/ipswap.exe
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cd dist && sha256sum ipswap.exe > SHA256SUMS
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@cat dist/SHA256SUMS
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clean: ## Remove build artifacts
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rm -rf bin dist $(SYSO)
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