From cba88c7066065fd5b23e25891c3e7e43d1b322ce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Magiera?= <magik6k@gmail.com>
Date: Thu, 19 Feb 2015 17:12:23 +0100
Subject: [PATCH] Improved hostname, added manpage
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Signed-off-by: Łukasz Magiera <magik6k@gmail.com>
---
 .../opencomputers/loot/OpenOS/bin/hostname.lua | 18 ++++++++++++------
 .../opencomputers/loot/OpenOS/usr/man/hostname | 12 ++++++++++++
 2 files changed, 24 insertions(+), 6 deletions(-)
 create mode 100644 src/main/resources/assets/opencomputers/loot/OpenOS/usr/man/hostname

diff --git a/src/main/resources/assets/opencomputers/loot/OpenOS/bin/hostname.lua b/src/main/resources/assets/opencomputers/loot/OpenOS/bin/hostname.lua
index c3be4d110..f8ff68205 100644
--- a/src/main/resources/assets/opencomputers/loot/OpenOS/bin/hostname.lua
+++ b/src/main/resources/assets/opencomputers/loot/OpenOS/bin/hostname.lua
@@ -1,14 +1,20 @@
 local args = {...}
 if args[1] then
-  local file = io.open("/etc/hostname", "w")
-  file:write(args[1])
-  file:close()
-  os.setenv("HOSTNAME", args[1])
-  os.setenv("PS1", "$HOSTNAME:$PWD# ")
+  local file, reason = io.open("/etc/hostname", "w")
+  if not file then
+    io.stderr:write(reason .. "\n")
+  else
+    file:write(args[1])
+    file:close()
+    os.setenv("HOSTNAME", args[1])
+    os.setenv("PS1", "$HOSTNAME:$PWD# ")
+  end
 else
   local file = io.open("/etc/hostname")
   if file then
-    io.write(file:read("*l"))
+    io.write(file:read("*l"), "\n")
     file:close()
+  else
+    io.stderr:write("Hostname not set\n")
   end
 end
diff --git a/src/main/resources/assets/opencomputers/loot/OpenOS/usr/man/hostname b/src/main/resources/assets/opencomputers/loot/OpenOS/usr/man/hostname
new file mode 100644
index 000000000..ae853e58a
--- /dev/null
+++ b/src/main/resources/assets/opencomputers/loot/OpenOS/usr/man/hostname
@@ -0,0 +1,12 @@
+NAME
+  hostname - Display and modify hostname
+
+SYNOPIS
+  hostname [NEW NAME]
+
+EXAMPLES
+  hostname
+    Prints currently set hostname
+
+  hostname test
+    Sets hostname of this computer to test