From b302575eaa5559319a77c0c64b6c978069715e14 Mon Sep 17 00:00:00 2001
From: Alyssa Ross <hi@alyssa.is>
Date: Sat, 7 Sep 2019 13:15:53 +0000
Subject: activate: default to current system

---
 activate | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

(limited to 'activate')

diff --git a/activate b/activate
index 34ee918ce475..f5d4b0997ff0 100755
--- a/activate
+++ b/activate
@@ -9,14 +9,18 @@ set -ueo pipefail
 d="$(dirname $0)"
 
 if [ "$#" -eq 0 ]; then
-    echo -e "\e[31;1merror:\e[0m must specify a system definition" >&2
-    echo "Available system definitions are:" >&2
-    find $d/sys -name '*.nix' | awk -F / '{print "- " $NF}' | sed 's/\.nix$//' >&2
-    exit 1
-fi
+    sys="$(hostname -s)"
 
-sys="$1"
-shift
+    if ! [ -f "sys/$sys.nix" ]; then
+        echo -e "\e[31;1merror:\e[0m must specify a system definition" >&2
+        echo "Available system definitions are:" >&2
+        find $d/sys -name '*.nix' | awk -F / '{print "- " $NF}' | sed 's/\.nix$//' >&2
+        exit 1
+    fi
+else
+    sys="$1"
+    shift
+fi
 
 export NIX_PATH=nixos-config=$d/sys/$sys.nix:$d
 link="$(mktemp -d)/result"
-- 
cgit 1.4.1