Adapted to Fisher 4.x plugin style

fish/theme-t31m/functions/t31m_prompt.fish

@@ -0,0 +1,45 @@
+function prompt::awsenv
+    if test -n "$env"
+        if [ $env = "prod" ]
+            printf '%s ' \U2601
+            echo -n -s (yellow)"["(red)(string upper $env)(yellow)"]"(off)
+        else
+            printf '%s ' \U2601
+            echo -n -s (yellow)"["(off)(string upper $env)(yellow)"]"(off)
+        end
+    end
+end
+
+function prompt::pyenv
+
+    if test (command -v python)
+        set python_version (python -c "import sys;t='{v[0]}.{v[1]}.{v[2]}'.format(v=list(sys.version_info[:3]));sys.stdout.write(t)")
+    else
+        set python_version ""
+    end
+
+    if set -q VIRTUAL_ENV
+        set venv (echo "$VIRTUAL_ENV" | grep -Eo '[^/]+/?$' | cut -d / -f1)
+        echo -n -s (printf '%s' \U1F40D)(yellow)"["(cyan)"$venv"(yellow)"@"(off)"$python_version"(yellow)"]"(off)
+    else if test -n "$PYENV_VERSION"; and [ "$PYENV_VERSION" != "$python_version" ]
+        # echo -n -s (yellow)(printf '%s' \U1F40D)"["(cyan)(pyenv version-name | sed 's/:.*$//' )(off)"@$python_version"(yellow)"]"(off)
+        echo -n -s (yellow)(printf '%s' \U1F40D)"["(cyan)(pyenv version-name )(off)"@$python_version"(yellow)"]"(off)
+    else if test -n "$python_version"
+       echo -n -s (yellow)(printf '%s' \U1F40D)"["(off)$python_version(yellow)"]"(off) 
+    end
+end
+
+function t31m_prompt
+
+    set awsenv (prompt::awsenv)
+    set pyenv (prompt::pyenv) 
+    echo -n -s "$pyenv"
+    echo -n -s "$awsenv"
+
+	if test $CMD_DURATION
+        # Show duration of the last command in seconds
+        set duration (echo "$CMD_DURATION 1000" | awk '{printf "%.2fs", $1 / $2}')
+        printf '%s ' \U23F1
+        echo -n -s (yellow)"["(off)$duration(yellow)"]"(off)
+    end
+end