Add fish, scripts and git

fish/functions/fish_greeting.fish

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+function fish_greeting
+
+end

fish/functions/fish_prompt.fish

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+function fish_prompt
+    set -l status_copy $status
+
+    set -l host (hostname -s)
+    if set -q DEVCONTAINER
+        set host DEV
+    end
+    set_color (echo "$host" | md5sum | cut -c-6)
+    echo -sn $host
+
+    set_color yellow
+    echo -sn ':'
+
+    set_color normal
+    echo -sn (prompt_pwd)
+
+    if test "$status_copy" -ne 0
+        set_color red
+    else
+        set_color green
+    end
+    echo -sn ' > '
+end

fish/functions/fish_right_prompt.fish

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+function fish_right_prompt
+    set -l ref (git symbolic-ref HEAD ^/dev/null)
+    if test -z $ref
+        return
+    end
+    
+    git diff --no-ext-diff --quiet --exit-code ^/dev/null
+    or set -l dirty 'yes'
+
+    git diff-index --cached --quiet HEAD -- ^/dev/null
+    or set -l staged 'yes'
+
+    set_color normal
+    echo -sn '['
+
+    if set -q staged
+        set_color yellow
+    else if set -q dirty
+        set_color red
+    else
+        set_color green
+    end
+    echo -sn (string replace refs/heads/ '' -- $ref)
+    
+    set_color normal
+    echo -sn ']'
+end

fish/functions/g.fish

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+function g --wraps git
+    if count $argv >/dev/null
+        git $argv
+    else
+        git status
+        git l -5
+    end
+end