Improved fish scripts

fish/config.fish

@@ -1,23 +1,24 @@
 #!/usr/bin/fish
 
-
-set fish_greeting
+# Variables
 set --export GOPATH "/home/mark/Documents/go"
 
-set --export TEXINPUTS "/home/mark/Documents/latex"
 
-# Git aliases
-alias glog "git log --oneline --all --graph"
+# Empty greeging
+set fish_greeting
+
 
 # Misc aliases
+alias glog "git log --oneline --all --graph"
 alias icat "kitty +kitten icat --align left"
 alias ls lsd
-
 alias !! $history[1]
 
+
 # Python aliases
 function mkvenv \
 	--description "Make a python venv"
+	# mkvenv: make venv at ./venv
 	# mkvenv <path>: make venv at path
 	# mkvenv <path> <prompt>: make venv at path and set prompt.
 
@@ -34,33 +35,59 @@ function mkvenv \
 
 		python -m venv --prompt=$argv[2] $argv[1]
 
-	else if test (count $argv) -eq 1
-		echo -n "Making virtualenv at "
-		set_color green
-		echo -n $argv[1]
-		set_color normal
-		echo
 
-		python -m venv $argv[1]
+	else if test (count $argv) -eq 1
+
+		if test -e "./venv"
+			set_color red
+			echo -n "Cannot make venv at "
+			set_color normal
+			echo -n "$argv[1]"
+			set_color red
+			echo ": path exists."
+			set_color normal
+		else
+			echo -n "Making virtualenv at "
+			set_color green
+			echo -n "$argv[1]"
+			set_color normal
+			echo
+
+			python -m venv $argv[1]
+		end
+
+
+	else if test (count $argv) -eq 0
+		mkvenv "./venv"
 
 	else
+		set_color red
 		echo "Invalid number of arguments."
+		set_color normal
 	end
 end
 
+
+
 function venvon \
 	--description "Activate a python venv. If no args are provided, assume path is 'venv'"
 	if test (count $argv) -eq 0
-		source venv/bin/activate.fish
+		venvon "./venv"
 	else if test (count $argv) -eq 1
-		source $argv[1]/bin/activate.fish
+		if test -e "$argv[1]/bin/activate.fish"
+			source "$argv[1]/bin/activate.fish"
+		else
+			set_color red
+			echo -n "Cannot find activation script, is "
+			set_color normal
+			echo -n "$argv[1]"
+			set_color red
+			echo " a venv?"
+			set_color normal
+		end
 	else
+		set_color red
 		echo "Invalid number of arguments."
+		set_color normal
 	end
 end
-
-
-
-
-# Enable kitty command completion
-kitty + complete setup fish | source