From 52e285cd3a639b086bdcc9497f2d0d4949390610 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Fri, 1 Dec 2017 17:49:21 +0300
Subject: os.sh: support Fedora

Also, OS detection has been reworked a bit.
---
 %HOME%/.bash_utils/os.sh | 62 ++++++++++++++++++++++++++++++++----------------
 1 file changed, 41 insertions(+), 21 deletions(-)

(limited to '%HOME%')

diff --git a/%HOME%/.bash_utils/os.sh b/%HOME%/.bash_utils/os.sh
index c38bbbe..9058b38 100644
--- a/%HOME%/.bash_utils/os.sh
+++ b/%HOME%/.bash_utils/os.sh
@@ -7,40 +7,41 @@
 
 _os=''
 
+_CYGWIN='Cygwin'
+_UBUNTU='Ubuntu'
+_MINT='Linux Mint'
+_ARCH='Arch Linux'
+_FEDORA='Fedora'
+
 os_detect() {
-    command -v uname > /dev/null           \
-        && [ "$( uname -o )" == 'Cygwin' ] \
-        && _os='Cygwin'                    \
+    command -v uname > /dev/null             \
+        && [ "$( uname -o )" == "$_CYGWIN" ] \
+        && _os="$_CYGWIN"                    \
         && return 0
 
     [ -r /etc/os-release ]                              \
         && _os="$( . /etc/os-release && echo "$NAME" )" \
+        && test "$_os" == "$_UBUNTU" \
+             -o "$_os" == "$_MINT"   \
+             -o "$_os" == "$_ARCH"   \
+             -o "$_os" == "$_FEDORA" \
         && return 0
 
+    _os=''
     return 1
 }
 
 os_detect
 
-os_detected() {
-    test -n "$_os"
-}
-
-os_is_cygwin() {
-    test "$_os" == 'Cygwin'
-}
-
-os_is_ubuntu() {
-    test "$_os" == 'Ubuntu'
-}
+os_detected() { test -n "$_os" ; }
 
-os_is_linux_mint() {
-    test "$_os" == 'Linux Mint'
-}
+os_is_cygwin() { test "$_os" == "$_CYGWIN" ; }
+os_is_ubuntu() { test "$_os" == "$_UBUNTU" ; }
+os_is_mint()   { test "$_os" == "$_MINT"   ; }
+os_is_arch()   { test "$_os" == "$_ARCH"   ; }
+os_is_fedora() { test "$_os" == "$_FEDORA" ; }
 
-os_is_arch() {
-    test "$_os" == 'Arch Linux'
-}
+# Cygwin
 
 pkg_list_cygwin() (
     set -o errexit -o nounset -o pipefail
@@ -50,6 +51,8 @@ pkg_list_cygwin() (
         | cut -d ' ' -f 1
 )
 
+# Ubuntu/Linux Mint
+
 setup_pkg_list_ubuntu() (
     set -o errexit -o nounset -o pipefail
 
@@ -77,9 +80,13 @@ pkg_list_ubuntu() (
         | cut -d ':' -f 1
 )
 
+# Arch Linux
+
 setup_pkg_list_arch() (
     set -o errexit -o nounset -o pipefail
 
+    # Assuming you only selected groups 'base and 'base-devel' during
+    # installation.
     local -ra groups=(base base-devel)
 
     pacman -Q --groups -q -- ${groups[@]+"${groups[@]}"} | sort
@@ -96,16 +103,29 @@ pkg_list_arch() {
     pacman -Qq
 }
 
+# Fedora
+
+pkg_list_fedora() (
+    set -o errexit -o nounset -o pipefail
+
+    rpm --queryformat="%{NAME}\n" -qa | sort
+)
+
+# Generic routines
+
 pkg_list() (
     set -o errexit -o nounset -o pipefail
 
     if os_is_cygwin; then
         pkg_list_cygwin
-    elif os_is_ubuntu || os_is_linux_mint; then
+    elif os_is_ubuntu || os_is_mint; then
         pkg_list_ubuntu
     elif os_is_arch; then
         pkg_list_arch
+    elif os_is_fedora; then
+        pkg_list_fedora
     else
+        echo "${FUNCTION[0]}: unsupported OS" >&2
         return 1
     fi
 )
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