zimfw/modules/git/functions/git-submodule-remove

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# vim:et sts=2 sw=2 ft=zsh
local git_dir
git_dir=$(git-dir) || return 1
if [[ ${PWD} != $(git-root) ]]; then
print "${0}: must be run from the root of the work tree" >&2
return 1
elif ! command git config --file .gitmodules --get "submodule.${1}.path" &>/dev/null; then
print "${0}: submodule not found: ${1}" >&2
return 1
fi
command git config --file "${git_dir}/config" --remove-section "submodule.${1}" &>/dev/null
command git config --file .gitmodules --remove-section "submodule.${1}" &>/dev/null
command git add .gitmodules
command git rm --cached "${1}" &>/dev/null
rm -rf "${1}"
rm -rf "${git_dir}/modules/${1}"
return 0