"Justify" the build system

data/justfile

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+appid := env_var('APPID')
+share-dir := env_var('SHARE_DIR')
+lib-dir := env_var('LIB_DIR')
+bin-dir := env_var('BIN_DIR')
+
+desktop-src := 'cosmic' + '.desktop'
+desktop-dst := share-dir / 'wayland-sessions' / desktop-src
+
+ccservice-src := 'cosmic-comp' + '.service'
+ccservice-dst := lib-dir / 'systemd' / 'user' / ccservice-src
+
+session-target-src := 'cosmic-session' + '.target'
+session-target-dst := lib-dir / 'systemd' / 'user' / session-pretarget-src
+
+session-pretarget-src := 'cosmic-session-pre' + '.target'
+session-pretarget-dst := lib-dir / 'systemd' / 'user' / session-pretarget-src
+
+cosmic-service-src := 'cosmic-service'
+cosmic-service-dst := bin-dir / cosmic-service-src
+
+install-bare-session:
+ install -Dm0644 {{desktop-src}} {{desktop-dst}}
+ install -Dm0644 {{ccservice-src}} {{ccservice-dst}}
+ install -Dm0644 {{session-pretarget-src}} {{session-pretarget-dst}}
+ install -Dm0644 {{session-target-src}} {{session-target-dst}}
+ install -Dm0755 {{cosmic-service-src}} {{cosmic-service-dst}}
+
+uninstall-bare-session:
+ rm {{desktop-dst}} {{ccservice-dst}} {{session-pretarget-dst}} {{session-target-dst}} {{cosmic-service-dst}}

justfile

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+name := 'cosmic-comp'
+export APPID := 'com.system76.CosmicComp'
+
+rootdir := ''
+prefix := '/usr'
+
+base-dir := absolute_path(clean(rootdir / prefix))
+
+export SHARE_DIR := sharedir
+export BIN_DIR := base-dir / 'bin'
+export LIB_DIR := libdir
+
+bin-src := 'target' / 'release' / name
+bin-dst := base-dir / 'bin' / name
+
+libdir := base-dir / 'lib'
+sharedir := base-dir / 'share'
+
+# Default recipe which runs `just build-release`
+default: build-release
+
+# Runs `cargo clean`
+clean:
+ cargo clean
+
+# `cargo clean` and removes vendored dependencies
+clean-dist: clean
+ rm -rf .cargo vendor vendor.tar
+
+# Compiles with debug profile
+build-debug *args:
+ cargo build {{args}}
+
+# Compiles with release profile
+build-release *args: (build-debug '--release' args)
+
+# Compiles release profile with vendored dependencies
+build-vendored *args: vendor-extract (build-release '--frozen --offline' args)
+
+# Runs a clippy check
+check *args:
+ cargo clippy --all-features {{args}} -- -W clippy::pedantic
+
+# Runs a clippy check with JSON message format
+check-json: (check '--message-format=json')
+
+# Installs files
+install:
+ install -Dm0755 {{bin-src}} {{bin-dst}}
+
+install-bare-session:
+ @just data/install-bare-session
+
+# Uninstalls installed files
+uninstall:
+ rm {{bin-dst}}
+
+uninstall-bare-session:
+ @just data/uninstall-bare-session
+
+# Vendor dependencies locally
+vendor:
+ mkdir -p .cargo
+ cargo vendor --sync Cargo.toml \
+ | head -n -1 > .cargo/config
+ echo 'directory = "vendor"' >> .cargo/config
+ tar pcf vendor.tar vendor
+ rm -rf vendor
+
+# Extracts vendored dependencies
+vendor-extract:
+ #!/usr/bin/env sh
+ rm -rf vendor
+ tar pxf vendor.tar