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backup functionality, cleanup

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This commit is contained in:
Connor Olding 2015-03-13 13:04:17 -07:00
parent 8609a4cccd
commit 867023bace
1 changed files with 19 additions and 8 deletions
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27
install
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@ -12,24 +12,35 @@ dotless() {
[[ "${1:0:1}" == "." ]] && REPLY="${1:1}" || REPLY="$1" [[ "${1:0:1}" == "." ]] && REPLY="${1:1}" || REPLY="$1"
} }
backup() {
note "backing up $1"
mkdir -p "${backup_dir:?backup_dir unset}/$(dirname "$1")"
[ -e "$backup_dir/$1" ] && die "backup already exists"
mv "$1" "$backup_dir/$1"
}
hardlink() { hardlink() {
[ -e "$1" ] && { if [ -e "$1" ]; then
[ "$1" -ef "$2" ] && return [ "$1" -ef "$2" ] && return
[ -h "$1" ] && note "removing symbolic link $1" && rm "$1" [ -h "$1" ] && note "removing symbolic link $1" && rm "$1"
[ -s "$1" ] && die "$1 already exists" || rm "$1" if [ -s "$1" ]; then
} backup "$1" || die "$1 already exists"
fi
fi
ln "$2" "$1" || die "couldn't hardlink $1" ln "$2" "$1" || die "couldn't hardlink $1"
} }
softlink() { softlink() {
[ -e "$1" ] && { if [ -e "$1" ]; then
[ -h "$1" ] && { if [ -h "$1" ]; then
[ "$(readlink "$1")" == "$2" ] && return [ "$(readlink "$1")" == "$2" ] && return
note "removing symbolic link $1" note "removing symbolic link $1"
rm "$1" rm "$1"
} || die "$1 already exists and is not a symbolic link" else
} die "$1 already exists and is not a symbolic link"
fi
fi
ln -s "$2" "$1" || die "couldn't symlink $1" ln -s "$2" "$1" || die "couldn't symlink $1"
} }
@ -40,7 +51,7 @@ rc="$(readlink -f "$(dirname "$0")" )"
cd "$HOME" cd "$HOME"
PATH="${PATH:?No existing PATH}:$rc/sh" PATH="${PATH:?No existing PATH}:$rc/sh"
umask 027 backup_dir="$rc/backup-$(date '+%s')"
for f in .bashrc .zshrc .-shrc .vimrc .conkyrc \ for f in .bashrc .zshrc .-shrc .vimrc .conkyrc \
.inputrc .screenrc .xinitrc .indent.pro .uncrustify.cfg; do .inputrc .screenrc .xinitrc .indent.pro .uncrustify.cfg; do