Add other fish functions

This commit adds fish support for the other functions I used to use in
zsh. Since my dotfiles are now separated by environment, it's easy to
see which environment depends on which dotfiles, instead of stowing them
one by one based on software name.

dots/bspwm/.config/fish/functions/1080p.fish

@@ -0,0 +1,7 @@
+# Easily change the resolution to 1080p
+# Note: Also changes DPI, but not for the programs you already have open.
+function 1080p
+    xrandr --output VGA-1 --mode "1920x1080"        # Change the resolution
+    sed -i '/Xft.dpi/c\Xft.dpi: 96' ~/.Xresources   # Change the dpi line to 96
+    xrdb ~/.Xresources                              # Reload .Xresources
+end

dots/bspwm/.config/fish/functions/4k.fish

@@ -0,0 +1,24 @@
+# Easily change the resolution to 4k
+# Note: Also changes DPI, but not for the programs you already have open.
+# TODO: Change this script to support fish
+function 4k
+    # Get the display type (VGA-1, etc.)
+    local display=$(xrandr | grep -Eo ".{0,20} connected" | awk '{print $1}')
+
+    # Get the default mode name for 4k
+    local mode=$(cvt 3840 2160 | grep "Modeline" | awk '{print $2}')
+
+    # If the 4k mode hasn't been added yet
+    if not (xrandr | grep -q 3840x2160)
+
+        # Create the new mode with cvt settings
+        xrandr --newmode $(cvt 3840 2160 | grep -o '"3840x2160.*')
+
+        # Add the new mode to the display with xrandr
+        xrandr --addmode ${display} ${mode}
+    end
+
+    xrandr --output ${display} --mode ${mode}       # Change the resolution to 4k
+    sed -i '/Xft.dpi/c\Xft.dpi: 180' ~/.Xresources  # Change the dpi line to 180
+    xrdb ~/.Xresources                              # Reload .Xresources
+end

dots/common/.config/fish/functions/lab.fish

@@ -0,0 +1,11 @@
+# Easily clone and cd into GitLab repositories
+# Usage: lab username/repository
+function lab --argument-names "path"
+    if test -n "$path"
+        git clone git@gitlab.com:$path.git
+        cd (basename "$path")
+    else
+        echo "No repository was specified."
+        echo "Usage: lab username/repository"
+    end
+end