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dotbare/scripts/freset
2020-05-19 18:01:01 +10:00

98 lines
3.3 KiB
Bash
Executable File

#!/usr/bin/env bash
#
# unstage the selected staged file
# or reset the commit to certain point
#
# @params
# Globals
# ${mydir}: current directory of the script
# ${reset_type}: reset type, modified files, all files or commit
# ${reset_option}: git reset flag, --mixed | --soft | --hard
# ${selected_files}: selected file to unstage
# ${selected_commit}: selected commit to reset
# ${confirm}: confirmation status of the user
# Arguments
# -h: show help message and quit
# -a: select files and select a commit to reset the fiel back to selected commit
# -c: reset commit
# -S: use --soft flag
# -H: use --hard flag
# -y: confirm action by default and skip confirmation
set -e
set -f
mydir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
source "${mydir}"/../helper/set_variable.sh
source "${mydir}"/../helper/get_confirmation.sh
source "${mydir}"/../helper/git_query.sh
function usage() {
echo -e "Usage: dotbare freset [-h] [-a] [-c] [-S] [-H] ...\n"
echo -e "Reset/Unstage the selected staged file"
echo -e "Or reset the HEAD to certain commits by using -c flag\n"
echo -e "Default: unstage the selected files from\n"
echo -e "optional arguments:"
echo -e " -h\t\tshow this help message and exit"
echo -e " -a\t\tselect files and then select a commit to reset the file back to the selected comit"
echo -e " -c\t\treset commit to certain commit, default --mixed flag, reset HEAD to certain commit put all changes into modified states"
echo -e " -S\t\treset commit using --soft flag, reset HEAD to certain commit without modify working tree"
echo -e " -H\t\treset commit using --hard flag, reset HEAD to certain commit dicard all changes from the working tree"
echo -e " -y\t\tconfirm action by default and skip confirmation"
}
reset_option="--mixed"
reset_type="modified"
while getopts ":hacSHy" opt
do
case "$opt" in
a)
reset_type="allfiles"
;;
c)
reset_type="commit"
;;
S)
reset_option="--soft"
;;
H)
reset_option="--hard"
;;
y)
confirm='y'
;;
h)
usage
exit 0
;;
*)
echo "Invalid option: ${OPTARG}" >&2
usage
exit 1
;;
esac
done
if [[ "${reset_type}" == "commit" ]]; then
selected_commit=$(get_commit)
[[ -z "${selected_commit}" ]] && exit 0
[[ -z "${confirm}" ]] && confirm=$(get_confirmation "Reset HEAD to ${selected_commit} ${reset_option}?")
[[ "${confirm}" != 'y' ]] && exit 1
/usr/bin/git --git-dir="${DOTBARE_DIR}" --work-tree="${DOTBARE_TREE}" reset "${selected_commit}" "${reset_option}"
else
if [[ "${reset_type}" == "modified" ]]; then
selected_files=$(get_modified_file 'select files to unstage' 'staged' | tr '\n' ' ')
[[ -z "${selected_files}" ]] && exit 0
# shellcheck disable=SC2086
/usr/bin/git --git-dir="${DOTBARE_DIR}" --work-tree="${DOTBARE_TREE}" reset HEAD ${selected_files}
else
selected_files=$(get_git_file 'select a file to reset' | tr '\n' ' ')
[[ -z "${selected_files}" ]] && exit 0
selected_commit=$(get_commit "select the target commit" "${selected_files}")
[[ -z "${selected_commit}" ]] && exit 0
# shellcheck disable=SC2086
/usr/bin/git --git-dir="${DOTBARE_DIR}" --work-tree="${DOTBARE_TREE}" reset "${selected_commit}" ${selected_files}
fi
fi