Add gitcd (and czgcd) functions

chezmoi.roots/_src.posix/private_dot_config/sz.env/zzy_chezmoi.env.tmpl

@@ -24,6 +24,9 @@ if is_cmd 'chezmoi'; then
         ${SET_X:-:} +x
     }
     czcd() { chezmoi cd "${@}"; }
+    czgcd() {
+        cd "$(chezmoi git -- rev-parse --show-toplevel)${1:+/${1}}"
+    }
     czedext() {
         local CZ_EXT="$(find $(command chezmoi source-path) -mindepth 1 -maxdepth 1 -name '.chezmoiexternal.*')"
         CZ_EXT="${CZ_EXT:-$(chezmoi source-path "${@}")/.chezmoiexternal.yaml.tmpl}"

chezmoi.roots/_src.posix/private_dot_config/sz.env/zzz_aliases.env.tmpl

@@ -35,5 +35,11 @@ alias vim='nvim '
 alias nvimdiff='nvim -d '
 alias vimdiff='nvimdiff '
 
+if is_cmd git; then
+    gitcd() {
+        cd "$(git rev-parse --show-toplevel)${1:+/${1}}"
+    }
+fi
+
 # vim: set ft=sh expandtab tabstop=4 shiftwidth=4: