89 lines
3.0 KiB
Bash
Executable File
89 lines
3.0 KiB
Bash
Executable File
#!/bin/sh
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# Note: this file is intentionally written in POSIX sh so that oh-my-bash can
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# be uninstalled without bash.
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_omb_uninstall_contains_omb() {
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command grep -qE '(source|\.)[[:space:]]+.*[/[:space:]]oh-my-bash\.sh' "$1" 2>/dev/null
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}
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# Find the latest bashrc that do not source oh-my-bash.sh
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_omb_uninstall_find_bashrc_original() {
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_omb_uninstall_bashrc_original=
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printf '%s\n' "Looking for original bash config..."
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IFS='
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'
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for _omb_uninstall_file in $(printf '%s\n' ~/.bashrc.omb-backup-?????????????? | sort -r) ~/.bashrc.pre-oh-my-bash; do
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[ -f "$_omb_uninstall_file" ] || [ -h "$_omb_uninstall_file" ] || continue
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_omb_uninstall_contains_omb "$_omb_uninstall_file" && continue
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_omb_uninstall_bashrc_original=$_omb_uninstall_file
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break
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done
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unset _omb_uninstall_file
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IFS='
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'
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if [ -n "$_omb_uninstall_bashrc_original" ]; then
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printf '%s\n' "-> Found at '$_omb_uninstall_bashrc_original'."
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else
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printf '%s\n' "-> Not found."
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fi
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}
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read -r ${BASH_VERSION:+-p} "Are you sure you want to remove Oh My Bash? [y/N] " _omb_uninstall_confirmation
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if [ "$_omb_uninstall_confirmation" != y ] && [ "$_omb_uninstall_confirmation" != Y ]; then
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printf '%s\n' "Uninstall cancelled"
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unset _omb_uninstall_confirmation
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# shellcheck disable=SC2317
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return 0 2>/dev/null || exit 0
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fi
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unset _omb_uninstall_confirmation
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if [ -d ~/.oh-my-bash ]; then
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printf '%s\n' "Removing ~/.oh-my-bash"
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command rm -rf ~/.oh-my-bash
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fi
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_omb_uninstall_bashrc_original=
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_omb_uninstall_find_bashrc_original
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if ! _omb_uninstall_contains_omb ~/.bashrc; then
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printf '%s\n' "uninstall: Oh-my-bash does not seem to be installed in .bashrc." >&2
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if [ -n "$_omb_uninstall_bashrc_original" ]; then
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printf '%s\n' "uninstall: The original config was found at '$_omb_uninstall_bashrc_original'." >&2
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fi
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printf '%s\n' "uninstall: Canceled." >&2
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unset _omb_uninstall_bashrc_original
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# shellcheck disable=SC2317
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return 1 2>/dev/null || exit 1
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fi
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_omb_uninstall_bashrc_uninstalled=
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if [ -e ~/.bashrc ] || [ -h ~/.bashrc ]; then
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_omb_uninstall_bashrc_uninstalled=".bashrc.omb-uninstalled-$(date +%Y%m%d%H%M%S)"
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printf '%s\n' "Found ~/.bashrc -- Renaming to ~/${_omb_uninstall_bashrc_uninstalled}"
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command mv ~/.bashrc ~/"${_omb_uninstall_bashrc_uninstalled}"
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fi
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if [ -n "$_omb_uninstall_bashrc_original" ]; then
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printf '%s\n' "Found $_omb_uninstall_bashrc_original -- Restoring to ~/.bashrc"
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command mv "$_omb_uninstall_bashrc_original" ~/.bashrc
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printf '%s\n' "Your original bash config was restored. Please restart your session."
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else
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command sed '/oh-my-bash\.sh/s/^/: #/' ~/"${_omb_uninstall_bashrc_uninstalled:-.bashrc}" >|~/.bashrc.omb-temp &&
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command mv ~/.bashrc.omb-temp ~/.bashrc
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fi
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unset _omb_uninstall_bashrc_original
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unset _omb_uninstall_bashrc_uninstalled
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echo "Thanks for trying out Oh My Bash. It has been uninstalled."
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case $- in
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*i*)
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# shellcheck disable=SC3044,SC3046,SC1090
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if [ -n "${BASH_VERSION-}" ]; then
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declare -f _omb_util_unload >/dev/null 2>&1 && _omb_util_unload
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source ~/.bashrc
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fi
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;;
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esac
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