Add PKGBUILD to repository, fix untrue statement in README

.gitignore

@@ -1 +1,3 @@
 /target
+/pkg/
+/src/pumopm-git/

PKGBUILD

@@ -0,0 +1,40 @@
+# Maintainer: Lucien Cartier-Tilet <lucien@phundrak.com>
+pkgname=pumopm-git
+pkgver=.r0.4e2acb9
+pkgrel=1
+pkgdesc="A tiny power manager written in Rust"
+arch=('i686' 'x86_64' 'arm' 'armv6h' 'armv7h' 'aarch64')
+url="https://labs.phundrak.com/phundrak/pumopm"
+license=('GPL3')
+depends=()
+makedepends=('rustup' 'git')
+options=()
+source=("$pkgname::git+https://github.com/phundrak/pumopm")
+md5sums=('SKIP')
+
+pkgver() {
+  cd "$pkgname"
+  local tag=$(git tag --sort=-v:refname | grep '^[0-9]' | head -1)
+  local commits_since=$(git rev-list $tag..HEAD --count)
+  echo "$tag.r$commits_since.$(git log --pretty=format:'%h' -n 1)"
+}
+
+build() {
+  cd "$pkgname"
+  if command -v rustup >/dev/null 2>&1; then
+    RUSTFLAGS="-C target-cpu=native" rustup run stable cargo build --release
+  elif rustc --version | grep -q stable; then
+    RUSTFLAGS="-C target-cpu=native" cargo build --release
+  else
+    cargo build --release
+  fi
+}
+
+package() {
+  cd "$pkgname"
+
+  install -Dm755 "target/release/pumopm" "$pkgdir/usr/bin/pumopm"
+  install -Dm644 "LICENSE" "$pkgdir/usr/share/licenses/${pkgname}/LICENSE"
+}
+
+# vim:set ts=2 sw=2 et:

README.org

@@ -40,6 +40,16 @@
     $ cargo install --path . # optional, to install for the user the project
   #+END_SRC
 
+  If you are an Arch Linux user, make sure you have ~rustup~ installed, and then
+  you can install PumoPM using the ~PKGBUILD~ available in the repository. To do
+  so, simply run
+  #+BEGIN_SRC sh
+    $ makepkg -si
+  #+END_SRC
+
+  You will then have PumoPM installed as  a native package on your machine which
+  you can uninstall using Pacman.
+
 * Usage
   It is possible to run PumoPM with a couple of different flags. You will find
   their description here:
@@ -50,9 +60,9 @@
   - ~-c --critical~ :: level at which the battery is considered to be critical
   - ~-r --refresh-rate~ :: refresh rate of the battery’s reads
   - ~-v --verbose~ :: augment the program’s verbosity, can be repeated
-  The arguments ~-l~, ~-L~ and ~-c~ accept an integer between 5 and 75 (actually
+  The arguments ~-l~, ~-L~ and ~-c~ accept an integer between 5 and 95 (actually
   any value that will fit in an unsigned byte, but it will be rounded up to 5 or
-  down to 75), while ~-r~ accepts any  integer that can fit in a ~u64~, although
+  down to 95), while ~-r~ accepts any  integer that can fit in a ~u64~, although
   I’m sure you’ll never need that long of a refresh time.
 
   The levels  will also see  their values ordered. If  the ~-L~ value  is higher