Better OS detection (#39)

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 Released: Unreleased. [Commit log](https://github.com/kvz/bash3boilerplate/compare/v2.0.0...master)
 
+- Better OS detection (#38, thx @moviuro)
 - Improve README copy (#34, thx galaktos)
 - Fix unquoted variable access within (#34 thx galaktos)
 - For delete-key-friendliness, bundle the commandline definition block along with its parser

README.md

@@ -156,6 +156,7 @@ Please see the [FAQ.md](./FAQ.md) file.
 - [@bravo-kernel](https://github.com/bravo-kernel) (feedback)
 - [@skanga](https://github.com/skanga) (feedback)
 - [galaktos](https://www.reddit.com/user/galaktos) (feedback)
+- [@moviuro](https://github.com/moviuro) (feedback)
 
 ## License
 

main.sh

@@ -26,13 +26,20 @@ set -o pipefail
 __dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 __file="${__dir}/$(basename "${BASH_SOURCE[0]}")"
 __base="$(basename ${__file} .sh)"
-__os="Linux"
+
-if [[ "${OSTYPE:-}" == "darwin"* ]]; then
+# The __os magic variable that b3bp offers is a dumbed down version of OSTYPE, aimed at
+# simple use cases. For more specific os information use ${OSTYPE}, or uname directly.
+if [[ "${OSTYPE:-}" == "linux"* ]]; then
+  __os="Linux"
+elif [[ "${OSTYPE:-}" == "darwin"* ]]; then
   __os="OSX"
-fi
+elif [[ "${OSTYPE:-}" == "msys" ]]; then
-if [[ "${OSTYPE:-}" == "msys"* ]]; then
   # This could accomodate Git Bash but we're welcoming more input at https://github.com/kvz/bash3boilerplate/issues/32
   __os="Windows"
+elif [[ "${OSTYPE:-}" == *"bsd"* ]]; then
+  __os="BSD"
+else
+  __os="b3bp_unsupported"
 fi
 
 # Define the environment variables (and their defaults) that this script depends on