Clean up scripts

This commit is contained in:
2019-12-31 00:38:46 -05:00
parent 00aca34e56
commit 362e838895
20 changed files with 280 additions and 67 deletions

8
script_helpers/all.sh Normal file
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@@ -0,0 +1,8 @@
#!/bin/bash
source_helpers="$HOME/.dotfiles/script_helpers"
source "$source_helpers/printing.sh"
source "$source_helpers/core.sh"
source "$source_helpers/platform.sh"
source "$source_helpers/file_ops.sh"

13
script_helpers/core.sh Normal file
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@@ -0,0 +1,13 @@
#!/bin/bash
# Requires the printing.sh helper to be sourced.
#---------------------------------------------------------------------------------------------------
# API
#---------------------------------------------------------------------------------------------------
abort() {
error "\nAborting...\n"
exit 1
}

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@@ -1,41 +1,16 @@
#!/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}"
}
log() {
msg="$1"
value="$2"
printf "@log ${BOLD}${YELLOW}$msg${GREEN}$value${NORMAL}\n"
}
# Requires the printing.sh helper to be sourced.
# Requires the platform.sh helper to be sourced.
#---------------------------------------------------------------------------------------------------
# API
#---------------------------------------------------------------------------------------------------
# Will return a symlink path in its expanded form. If the path's root is the
# home directory symbol "~" then it'll be replaced by the full home path.
expand_path() {
# Expands a symlink path. If the root folder is the home directory symbol "~" then it'll be
# replaced by the full home path.
local ret="$1"
IFS="/" read -ra parts <<< "$ret"
@@ -51,17 +26,19 @@ expand_path() {
echo $ret
}
windows_path() {
ret=$1
if [[ $(is_absolute_unix_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:,' <<< "$ret")
fi
ret="${ret////\\}" # replace unix path with windows path
echo $ret
unix_to_windows_path() {
ret=$1
if [[ $(is_windows_path $ret) -eq 1 ]]; then
echo $ret
else
if [[ $(is_absolute_unix_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:,' <<< "$ret")
fi
ret="${ret////\\}" # replace unix path with windows path
echo $ret
fi
}
windows_to_unix_path() {
@@ -135,12 +112,108 @@ is_sym_file() {
if [[ $1 =~ ^\.{1} ]]; then echo 1; else echo 0; fi
}
# Will return false if the path has no slashes.
is_windows_path() {
if [[ ! $1 =~ \/+ ]]; then echo 1; else echo 0; fi
}
# Will return false if the path has no slashes.
is_unix_path() {
echo $(! is_windows_path "$1")
}
path_has_a_space() {
regexp="[[:blank:]]+"
if [[ $1 =~ $regexp ]]; then echo 1; else echo 0; fi
}
# Expands a path when it's not a symbolic link or an absolute drive path.
_clean_link_file_path() {
path=$1
if [[ $(is_absolute_unix_path "$path") -eq 0 && $(is_sym_file "$path") -eq 0 ]]; then
path=$(expand_path "$path")
fi
echo $path
}
# Creates a symlink.
# Requires an admin shell when running under Windows.
link_file() {
source_path=$1
dest_path=$2
require_confirmation=$3
expand_symlinks=$4
os_is_windows is_windows
os_is_unix is_unix
# @INSTEAD ESCAPE THE SPACES IN THE FINAL WINDOWS PATH
# @INSTEAD ESCAPE THE SPACES IN THE FINAL WINDOWS PATH
# @INSTEAD ESCAPE THE SPACES IN THE FINAL WINDOWS PATH
# @INSTEAD ESCAPE THE SPACES IN THE FINAL WINDOWS PATH
# @INSTEAD ESCAPE THE SPACES IN THE FINAL WINDOWS PATH
# @INSTEAD ESCAPE THE SPACES IN THE FINAL WINDOWS PATH
#https://stackoverflow.com/questions/1473981/how-to-check-if-a-string-has-spaces-in-bash-shell
#https://stackoverflow.com/questions/28256178/how-can-i-match-spaces-with-a-regexp-in-bash
source_has_space=$(path_has_a_space "$source_path")
dest_has_space=$(path_has_a_space "$dest_path")
debug=1
if [[ $debug -eq 1 ]]; then
echo source path: $source_path
echo dest path: $dest_path
echo source has space: $source_has_space
echo dest has space: $dest_has_space
echo abs unix source: $(is_absolute_unix_path "$source_path")
echo abs unix dest: $(is_absolute_unix_path "$dest_path")
echo "require_confirmation? $require_confirmation"
echo "expand_symlinks? $expand_symlinks"
fi
if [[ $expand_symlinks -eq 1 ]]; then
source_path=$(expand_path "$source_path")
dest_path=$(expand_path "$dest_path")
else
source_path=$(_clean_link_file_path "$source_path")
dest_path=$(_clean_link_file_path "$dest_path")
fi
if [[ $debug -eq 1 ]]; then
echo "after source: $source_path"
echo "after dest: $dest_path"
fi
# Verify that the source path exists.
! test -d "$source_path" && ! test -e "$source_path" && error "Source path '$source_path' doesn't exist!" && abort
# Verify that the dest path doesn't already exist.
test -d "$dest_path" && error "Dest folder '$dest_path' already exists!" && abort
test -e "$dest_path" && error "Dest file '$dest_path' already exists!" && abort
if [[ $is_windows -eq 1 ]]; then
source_path=$(unix_to_windows_path "$source_path")
dest_path=$(unix_to_windows_path "$dest_path")
if [[ $source_has_space -eq 1 ]]; then source_path="\"$source_path\""; fi
if [[ $dest_has_space -eq 1 ]]; then dest_path="\"$dest_path\""; fi
link_cmd="cmd //c 'mklink $dest_path $source_path'"
else
if [[ $source_has_space -eq 1 ]]; then source_path="\"$source_path\""; fi
if [[ $dest_has_space -eq 1 ]]; then dest_path="\"$dest_path\""; fi
link_cmd="ln -sf $source_path $dest_path"
fi
if [[ $require_confirmation -eq 1 ]]; then
echo "${BOLD}${BLUE}Will attempt to link ${GREEN}$source_path${BLUE} to ${GREEN}$dest_path${BLUE}"
printf "${BOLD}Enter 1 to proceed\n${YELLOW}> ${NORMAL}"
read confirm
if [[ $confirm != 1 ]]; then abort; fi
fi
if [[ $debug -eq 1 ]]; then
echo Final source: $source_path
echo Final dest: $dest_path
echo Link cmd:: $link_cmd
fi
eval $link_cmd
}

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@@ -0,0 +1,40 @@
#!/bin/bash
uname_s="$(uname -s)"
case "${uname_s}" in
Linux*) platform="LINUX" platform_os="LINUX";;
Darwin*) platform="MACOS" platform_os="MACOS";;
CYGWIN*) platform="CYGWIN" platform_os="WINDOWS";;
MINGW*) platform="MINGW" platform_os="WINDOWS";;
*) platform="UNKNOWN:${uname_s} platform_os="UNKNOWN_OS""
esac
#---------------------------------------------------------------------------------------------------
# API
#---------------------------------------------------------------------------------------------------
os_is() {
declare -n _os_is=$1
if [[ $platform_os == $2 ]]; then _os_is=1; else _os_is=0; fi
}
shell_is() {
declare -n _shell_is=$1
if [[ $platform == $2 ]]; then _shell_is=1; else _shell_is=0; fi
}
shell_is_mingw() { declare -n _shell_ret=$1; shell_is _shell_ret "MINGW"; }
shell_is_cygwin() { declare -n _shell_ret=$1; shell_is _shell_ret "CYGWIN"; }
os_is_windows() { declare -n _os_ret=$1; os_is _os_ret "WINDOWS"; }
os_is_linux() { declare -n _os_ret=$1; os_is _os_ret "LINUX"; }
os_is_macos() { declare -n _os_ret=$1; os_is _os_ret "MACOS"; }
os_is_unix() {
declare -n _os_ret=$1;
if [[ $platform_os == "LINUX" || $platform_os == "MACOS" ]]; then
_os_ret=1
else
_os_ret=0
fi
}