Improve symbolic link script

This commit is contained in:
Michael Campagnaro 2019-05-13 15:50:14 -04:00
parent 2539ce5f40
commit c81cca1ded

View File

@ -1,102 +1,75 @@
#!/bin/bash
if which tput >/dev/null 2>&1; then
ncolors=$(tput colors)
fi
if [ -t 1 ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then
RED="$(tput setaf 1)"
GREEN="$(tput setaf 2)"
YELLOW="$(tput setaf 3)"
BLUE="$(tput setaf 4)"
BOLD="$(tput bold)"
NORMAL="$(tput sgr0)"
else
RED=""
GREEN=""
YELLOW=""
BLUE=""
BOLD=""
NORMAL=""
fi
error() {
printf "${BOLD}${RED}$1${NORMAL}"
}
# @improve this path stuff
source_helpers="$HOME/.game-libs/project-templates/_helpers"
source "$source_helpers/printing.sh"
source "$source_helpers/file_ops.sh"
abort() {
error "\nAborting...\n"
exit 1
}
is_drive_path() {
if [[ $1 =~ ^/ ]]; then
echo 1
else
echo 0
fi
}
is_symbolic_path() {
if [[ $1 =~ ^\.{1} ]]; then
echo 1
else
echo 0
fi
}
is_valid_sym_path() {
# If the path is not symbolic or an absolute drive path then we return it in an expanded form.
clean_path() {
path=$1
valid=0
if [[ $(is_drive_path $path) -eq 1 ]]; then
valid=1
elif [[ $(is_symbolic_path $path) -eq 1 ]]; then
valid=1
elif [[ ! $path =~ \/+ ]]; then
valid=1
if [[ $(is_absolute_unix_path $path) -eq 0 && $(is_sym_file $path) -eq 0 ]]; then
path=$(expand_path "$path")
fi
echo $valid
echo $path
}
windows_path() {
ret=$1
if [[ $(is_drive_path $ret) -eq 1 ]]; then
ret="${ret/\//}"
# Fix the drive name, e.g. c\foo becomes c:\foo
ret=$(sed 's,\([a-zA-Z]*\),\1:,' <<< "$ret")
path_debug() {
path=$1
printf "\ninfo on path '$path'\n"
printf "abs unix path: $(is_absolute_unix_path $path)\n"
printf "sym file: $(is_sym_file $path)\n"
if [[ $path =~ \/+ ]]; then echo "unix path\n"; else echo "not unix path\n"; fi
expanded_path=$(expand_path "$path")
printf "expanded version: $expanded_path\n"
if [[ $(is_absolute_unix_path $path) -eq 0 && $(is_sym_file $path) -eq 0 ]]; then
printf "needs cleaning\n"
else
printf "no cleaning needed\n"
fi
ret="${ret////\\}" # Replace Unix path with Windows path.
echo $ret
}
set -e
cwd=$PWD
platform=`uname` # 'Linux', 'Darwin', etc
source_path=""
dest_path=""
printf "${BOLD}${YELLOW}Enter full path to source file/dir:\n${NORMAL}"
read -e source_path
if [[ $(is_valid_sym_path $source_path) -eq 0 ]]; then
error "This path is invalid. Only symbolic and absolute paths are allowed."
abort
#echo "got $1 and $2"
#path_debug $1
#path_debug $2
if [[ $1 ]]; then
source_path=$1
else
printf "${BOLD}${YELLOW}Enter full path to source file/dir:\n${NORMAL}"
read -e source_path
fi
! test -d "$source_path" && ! test -e "$source_path" && error "That path doesn't exist!" && abort
source_path=$(clean_path "$source_path")
! test -d "$source_path" && ! test -e "$source_path" && error "Source path '$source_path' doesn't exist!" && abort
if [[ $2 ]]; then
dest_path=$2
else
printf "${BOLD}${YELLOW}Enter full path to symlink destination:\n${NORMAL}"
read -e dest_path
fi
dest_path=$(clean_path $dest_path)
test -d "$dest_path" && error "Dest folder '$dest_path' already exists!" && abort
test -e "$dest_path" && error "Dest file '$dest_path' already exists!" && abort
source_path=$(windows_path $source_path)
dest_path=$(windows_path $dest_path)
cmd="cmd //c 'mklink $dest_path $source_path'"
printf "${BOLD}${YELLOW}Enter full path to symlink destination:\n${NORMAL}"
read -e link_dest
if [[ $(is_valid_sym_path $link_dest) -eq 0 ]]; then
error "This path is invalid. Only symbolic and absolute paths and allowed."
abort
fi
test -d "$link_dest" && error "That is an existing folder!" && abort
test -e "$link_dest" && error "That file already exists!" && abort
link_dest=$(windows_path $link_dest)
cmd="cmd //c 'mklink $link_dest $source_path'"
echo "${BOLD}${BLUE}About to create link ${GREEN}$link_dest${BLUE} to source ${GREEN}$source_path${NORMAL}"
echo "${BOLD}${BLUE}Will attempt to link ${GREEN}$source_path${BLUE} to ${GREEN}$dest_path${BLUE}"
printf "\n${BOLD}Enter 1 to proceed\n${YELLOW}> ${NORMAL}"
read confirm