Replace Travis CI with GitHub Actions (#12)

Co-authored-by: sys4 <bricassa@sys4.fr>

.github/workflows/build.yml

@@ -0,0 +1,20 @@
+name: build
+on: [push, pull_request]
+
+jobs:
+  luacheck:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Install dependencies
+      run: |
+        sudo apt-get update -qq
+        sudo apt-get install -qqq luarocks
+    - name: Install LuaCheck and pre-commit
+      run: |
+        pip3 install pre-commit
+        luarocks install --local luacheck
+    - name: Run LuaCheck with pre-commit
+      run: |
+        export PATH="$HOME/.luarocks/bin:$PATH"
+        pre-commit run --all-files

.travis.yml

@@ -1,16 +0,0 @@
-dist: bionic
-language: python
-
-python:
-  - 3.7.1
-
-install:
-  - sudo apt-get update -qq
-  - sudo apt-get install -qqq luarocks
-  - pip3 install pre-commit
-  - luarocks install --local luacheck
-
-script:
-  # All linters are run with pre-commit hooks
-  - export PATH="$HOME/.luarocks/bin:$PATH"
-  - pre-commit run --all-files

init.lua

@@ -3,6 +3,10 @@
 -- Copyright © 2014-2020 4aiman, Hugo Locurcio and contributors - MIT License
 -- See `LICENSE.md` included in the source distribution for details.
 
+local function round(v)
+	return math.floor(v + 0.5)
+end
+
 local enabled = minetest.settings:get_bool("health_bars") ~= false
 if enabled then
 	enabled = minetest.settings:get_bool("enable_damage")
@@ -31,12 +35,13 @@ local function add_gauge(player)
 	end
 end
 
--- credit: https://github.com/minetest/minetest/blob/6de8d77e17017cd5cc7b065d42566b6b1cd076cc/builtin/game/statbars.lua#L30-L37
+-- credit:
+-- https://github.com/minetest/minetest/blob/master/builtin/game/statbars.lua#L31-L37
 local function scaleToDefault(player, field)
 	-- Scale "hp" or "breath" to supported amount
 	local current = player["get_" .. field](player)
 	local max_display = math.max(player:get_properties()[field .. "_max"], current)
-	return math.round(current / max_display * max[field])
+	return round(current / max_display * max[field])
 end
 
 minetest.register_entity("gauges:hp_bar", {