filesystem: add /etc/os-release

Used by etc-update to tell if a system is "Arch-like"

filesystem/PKGBUILD

@@ -4,8 +4,8 @@
 # Contributor: Alethea Rose <alethea@alethearose.com>
 
 pkgname=filesystem
-pkgver=2021.04
-pkgrel=4
+pkgver=2021.06
+pkgrel=1
 pkgdesc='Base filesystem'
 arch=('i686' 'x86_64')
 license=('BSD')
@@ -48,7 +48,8 @@ source=('bash.bash_logout'
         '08-xml-catalog.post'
         'cygwin.ldif'
         'main-config.site'
-        'redirect-config.site')
+        'redirect-config.site'
+        'os-release')
 sha256sums=('742a7d66b7a5ebd2b8461728c5b44a46b2305fd2116208eecae5f45828938ea0'
             'dfb0a5c21b1b1dcec942f556fe32967bd78207c47ff28093837a37d2ed457e92'
             '99eae6e37081edd73b399009c85f4a67a0c14481241ee4937ab45c4178b540fb'
@@ -82,7 +83,8 @@ sha256sums=('742a7d66b7a5ebd2b8461728c5b44a46b2305fd2116208eecae5f45828938ea0'
             'ad8533809ea2b1bce0a41b3a0a24dbc7a9f58b992ceb40cc9f862b1978032790'
             'caf25e3390331c6a22cc91f1c1bc551a9f87c59171dd3ef7b3b6016859a10fb5'
             '8e0c468c5186d769d5303d92efd05b7e1018afe4b0915cb71356808ee1601f07'
-            '26bf8d1acade9431d60c035a7ddfa9cb0775d5b9a457c5aca56f51c5f2f93f98')
+            '26bf8d1acade9431d60c035a7ddfa9cb0775d5b9a457c5aca56f51c5f2f93f98'
+            '1fef172ac99eef561100da9eecb7712786dff8dd73f4a97eb39462bde0275af8')
 
 build() {
   cd ${srcdir}
@@ -102,7 +104,7 @@ package() {
   # setup /etc
   #
   install -d etc/{fstab.d,skel,profile.d,post-install}
-  for f in bash.bashrc bash.bash_logout fstab shells profile nsswitch.conf msystem; do
+  for f in bash.bashrc bash.bash_logout fstab shells profile nsswitch.conf msystem os-release; do
     install -m644 ${srcdir}/${f} etc/
   done
 

filesystem/os-release

@@ -0,0 +1,6 @@
+NAME=MSYS2
+ID=msys2
+PRETTY_NAME="MSYS2"
+ID_LIKE="cygwin arch"
+HOME_URL="https://www.msys2.org"
+BUG_REPORT_URL="https://github.com/msys2/MSYS2-packages/issues"