diff --git a/.config/fish/config.fish b/.config/fish/config.fish
index ef7eaec..14830b5 100644
--- a/.config/fish/config.fish
+++ b/.config/fish/config.fish
@@ -26,7 +26,7 @@ if status is-interactive
     abbr -a -g sage "podman pull $sagemath_image; podman run -it --rm $sagemath_image"
     abbr -a -g sage-jupyter "podman pull $sagemath_image; podman run -it --rm -p8888:8888 $sagemath_image sage-jupyter"
 
-    set -l fedora_image registry.fedoraproject.org/fedora:latest
+    set -l fedora_image registry.fedoraproject.org/fedora:(rpm -E %fedora)
     abbr -a -g fedora "podman pull $fedora_image; podman run -it --rm $fedora_image"
 
     set -l asciidoctor_image docker.io/asciidoctor/docker-asciidoctor:latest
@@ -78,6 +78,12 @@ if status is-interactive
         disown
     end
 
+    function build_sh
+        podman start build
+        podman exec -it build bash
+        podman stop -t 0 build
+    end
+
     ## Taskwarrior
     function ta -w task -d "Add no priority task"
         task add project:$argv[1] $argv[2..]