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install: Add --overwrite-backup flag 

This will ensure users will specify whether they want to overwrite the
backup or not, and check it even when we do silent installation
This does change the default behaviour and exits if the -f flag is not
specified and a backup is present.
pull/1830/head
Noah Gorny 2021-02-05 23:41:47 +02:00
parent 9e37f0d09e
commit af17501318
1 changed files with 23 additions and 7 deletions
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30
install.sh
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@ -11,6 +11,7 @@ function show_usage() {
echo "--interactive (-i): Interactively choose plugins"
echo "--no-modify-config (-n): Do not modify existing config file"
echo "--append-to-config (-a): Keep existing config file and append bash-it templates at the end"
echo "--overwrite-backup (-f): Overwrite existing backup"
exit 0
}
@ -77,17 +78,21 @@ function backup_append() {
}
function check_for_backup() {
if [ -e "$HOME/$BACKUP_FILE" ]; then
echo -e "\033[0;33mBackup file already exists. Make sure to backup your .bashrc before running this installation.\033[0m" >&2
if ! [ -e "$HOME/$BACKUP_FILE" ]; then
return
fi
echo -e "\033[0;33mBackup file already exists. Make sure to backup your .bashrc before running this installation.\033[0m" >&2
if ! [[ $overwrite_backup ]]; then
while ! [[ $silent ]]; do
read -e -n 1 -r -p "Would you like to overwrite the existing backup? This will delete your existing backup file ($HOME/$BACKUP_FILE) [y/N] " RESP
case $RESP in
[yY])
overwrite_backup=true
break
;;
[nN] | "")
echo -e "\033[91mInstallation aborted. Please come back soon!\033[m"
exit 1
break
;;
*)
echo -e "\033[91mPlease choose y or n.\033[m"
@ -95,12 +100,21 @@ function check_for_backup() {
esac
done
fi
if ! [[ $overwrite_backup ]]; then
echo -e "\033[91mInstallation aborted. Please come back soon!\033[m"
if [[ $silent ]]; then
echo -e "\033[91mUse \"-f\" flag to force overwrite of backup.\033[m"
fi
exit 1
else
echo -e "\033[0;32mOverwriting backup...\033[m"
fi
}
function modify_config_files() {
if ! [[ $silent ]]; then
check_for_backup
check_for_backup
if ! [[ $silent ]]; then
while ! [[ $append_to_config ]]; do
read -e -n 1 -r -p "Would you like to keep your $CONFIG_FILE and append bash-it templates at the end? [y/N] " choice
case $choice in
@ -134,12 +148,13 @@ for param in "$@"; do
"--interactive") set -- "$@" "-i" ;;
"--no-modify-config") set -- "$@" "-n" ;;
"--append-to-config") set -- "$@" "-a" ;;
"--overwrite-backup") set -- "$@" "-f" ;;
*) set -- "$@" "$param" ;;
esac
done
OPTIND=1
while getopts "hsina" opt; do
while getopts "hsinaf" opt; do
case "$opt" in
"h")
show_usage
@ -149,6 +164,7 @@ while getopts "hsina" opt; do
"i") interactive=true ;;
"n") no_modify_config=true ;;
"a") append_to_config=true ;;
"f") overwrite_backup=true ;;
"?")
show_usage >&2
exit 1