chore: bootstrap Go module, build tooling and license

.gitignore

@@ -0,0 +1,15 @@
+# Build artifacts
+/bin/
+/dist/
+/prx
+/prx-helper
+
+# Test / scratch
+*.out
+*.test
+/coverage.txt
+
+# Editor
+.idea/
+.vscode/
+*.swp

LICENSE

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+MIT License
+
+Copyright (c) 2026 Amir Husayn Panahifar <ahp@panahifar.ir>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Makefile

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+VERSION ?= 0.1.0
+COMMIT  ?= $(shell git rev-parse --short HEAD 2>/dev/null || echo none)
+DATE    ?= $(shell date -u +%Y-%m-%dT%H:%M:%SZ)
+LDFLAGS := -s -w -X prx/internal/version.Version=$(VERSION) -X prx/internal/version.Commit=$(COMMIT) -X prx/internal/version.Date=$(DATE)
+PREFIX  ?= /usr
+BINDIR  ?= $(PREFIX)/bin
+LIBDIR  ?= $(PREFIX)/lib/prx
+MANDIR  ?= $(PREFIX)/share/man
+
+.PHONY: all build test vet fmt lint clean install uninstall integration man
+
+all: build
+
+build:
+	CGO_ENABLED=0 go build -trimpath -ldflags "$(LDFLAGS)" -o bin/prx ./cmd/prx
+	CGO_ENABLED=0 go build -trimpath -ldflags "$(LDFLAGS)" -o bin/prx-helper ./cmd/prx-helper
+
+test:
+	go test ./...
+
+vet:
+	go vet ./...
+
+fmt:
+	gofmt -w .
+
+lint: vet
+	gofmt -l . | tee /dev/stderr | wc -l | grep -q '^0$$'
+
+integration: build
+	PRX_BIN=$(CURDIR)/bin/prx sudo -E ./scripts/integration-test.sh
+
+install: build
+	install -Dm755 bin/prx $(DESTDIR)$(BINDIR)/prx
+	install -Dm755 bin/prx-helper $(DESTDIR)$(LIBDIR)/prx-helper
+	install -Dm644 polkit/org.prx.policy $(DESTDIR)$(PREFIX)/share/polkit-1/actions/org.prx.policy
+	install -Dm644 systemd/prx-reapply.service $(DESTDIR)$(PREFIX)/lib/systemd/system/prx-reapply.service
+	install -Dm644 systemd/prx-reapply.timer $(DESTDIR)$(PREFIX)/lib/systemd/system/prx-reapply.timer
+	install -Dm644 man/prx.1 $(DESTDIR)$(MANDIR)/man1/prx.1
+	install -Dm644 man/prx-helper.1 $(DESTDIR)$(MANDIR)/man1/prx-helper.1
+
+# Validate the man pages with groff (no-op if groff is unavailable).
+man:
+	@command -v groff >/dev/null 2>&1 && groff -man -Tutf8 -z man/prx.1 man/prx-helper.1 && echo "man: ok" || echo "man: groff not installed, skipped"
+
+uninstall:
+	rm -f $(DESTDIR)$(BINDIR)/prx
+	rm -f $(DESTDIR)$(LIBDIR)/prx-helper
+	rm -f $(DESTDIR)$(PREFIX)/share/polkit-1/actions/org.prx.policy
+	rm -f $(DESTDIR)$(PREFIX)/lib/systemd/system/prx-reapply.service
+	rm -f $(DESTDIR)$(PREFIX)/lib/systemd/system/prx-reapply.timer
+	rm -f $(DESTDIR)$(MANDIR)/man1/prx.1
+	rm -f $(DESTDIR)$(MANDIR)/man1/prx-helper.1
+
+clean:
+	rm -rf bin

go.mod

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+module prx
+
+go 1.24
+
+require github.com/spf13/cobra v1.10.2
+
+require (
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/spf13/pflag v1.0.9 // indirect
+)

go.sum

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+github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
+github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
+github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
+github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/spf13/cobra v1.10.2 h1:DMTTonx5m65Ic0GOoRY2c16WCbHxOOw6xxezuLaBpcU=
+github.com/spf13/cobra v1.10.2/go.mod h1:7C1pvHqHw5A4vrJfjNwvOdzYu0Gml16OCs2GRiTUUS4=
+github.com/spf13/pflag v1.0.9 h1:9exaQaMOCwffKiiiYk6/BndUBv+iRViNW+4lEMi0PvY=
+github.com/spf13/pflag v1.0.9/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=