Add Git submodule moving and removing

modules/git/alias.zsh

@@ -136,9 +136,11 @@ alias gSa='git submodule add'
 alias gSf='git submodule foreach'
 alias gSi='git submodule init'
 alias gSl='git submodule status'
+alias gSm='git-submodule-move'
 alias gSs='git submodule sync'
 alias gSu='git submodule update --init --recursive'
 alias gSU='git submodule foreach git pull origin master'
+alias gSx='git-submodule-remove'
 
 # Working Copy (w)
 alias gws='git status --short'

modules/git/functions/git-submodule-move

@@ -0,0 +1,30 @@
+#
+# Moves a Git submodule.
+#
+# Authors:
+#   Sorin Ionescu <sorin.ionescu@gmail.com>
+#
+
+local src="$1"
+local dst="$2"
+local url
+
+if [[ "$PWD" != "$(git-root)" ]]; then
+  print "$0: must be run from the root of the working tree" >&2
+  return 1
+fi
+
+url="$(git config --file "$(git-root)/.gitmodules" --get "submodule.${src}.url")"
+
+if [[ -z "$url" ]]; then
+  print "$0: submodule not found: $src" >&2
+  return 1
+fi
+
+mkdir -p "${dst:h}"
+
+git-submodule-remove "$src"
+git submodule add "$url" "$dst"
+
+return 0
+

modules/git/functions/git-submodule-remove

@@ -0,0 +1,27 @@
+#
+# Removes a Git submodule.
+#
+# Authors:
+#   Sorin Ionescu <sorin.ionescu@gmail.com>
+#
+
+if [[ "$PWD" != "$(git-root)" ]]; then
+  print "$0: must be run from the root of the working tree" >&2
+  return 1
+fi
+
+if ! git config --file .gitmodules --get "submodule.${1}.path" &>/dev/null; then
+  print "$0: submodule not found: $1" >&2
+  return 1
+fi
+
+git config --file "$(git-dir)/config" --remove-section "submodule.${1}" &>/dev/null
+git config --file "$(git-root)/.gitmodules" --remove-section "submodule.${1}" &>/dev/null
+git add .gitmodules
+
+git rm --cached -rf "${1}"
+rm -rf "${1}"
+rm -rf "$(git-dir)/modules/${1}"
+
+return 0
+