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zsh/functions/_git_delete_branch

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+_git_delete_branch ()
+{
+  __gitcomp "$(__git_heads)"
+}

zsh/functions/change-extension

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+# Change file extensions recursively in current directory
+#
+#   change-extension erb haml
+
+function change-extension() {
+  foreach f (**/*.$1)
+    mv $f $f:r.$2
+  end
+}

zsh/functions/envup

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+# Load .env file into shell session for environment variables
+
+function envup() {
+  if [ -f .env ]; then
+    export $(cat .env)
+  else
+    echo 'No .env file found' 1>&2
+    return 1
+  fi
+}

zsh/functions/g

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+# No arguments: `git status`
+# With arguments: acts like `git`
+g() {
+  if [[ $# -gt 0 ]]; then
+    git "$@"
+  else
+    git status
+  fi
+}

zsh/functions/mcd

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+# Make directory and change into it.
+
+function mcd() {
+  mkdir -p "$1" && cd "$1";
+}