♻️ Bash -> POSIX; move some of install to fish

This commit is contained in:
Marley Rae 2024-01-27 21:15:25 -08:00
parent 9f5dda2dac
commit 05f5b26907
6 changed files with 616 additions and 427 deletions

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@ -1,9 +1,11 @@
#!/usr/bin/env bash
# vim:set ft=bash:
#!/usr/bin/env sh
cd "$(dirname "${BASH_SOURCE[0]}")" \
&& source "../homebrew/brew_utils.sh" \
&& source "../script/utils.sh"
DOT="${DOT:-$HOME/dotfiles}"
# shellcheck source=../homebrew/brew_utils.sh
. "$DOT/homebrew/brew_utils.sh"
# shellcheck source=../script/utils.sh
. "$DOT/script/utils.sh"
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@ -11,15 +13,11 @@ brew_install "Fish Shell" "fish"
fish_path="$(which fish)"
if ! grep "$fish_path" < /etc/shells &> /dev/null; then
if ! grep "$fish_path" < /etc/shells >/dev/null 2>&1; then
execute \
"printf '%s\n' '$fish_path' | sudo tee -a /etc/shells" \
"Add '$fish_path' to '/etc/shells'"
fi
chsh -s "$fish_path" &> /dev/null
chsh -s "$fish_path" >/dev/null 2>&1
print_result $? "Make OS use Fish as the default shell"
execute \
"curl -sL https://raw.githubusercontent.com/jorgebucaran/fisher/main/functions/fisher.fish | source && fisher install jorgebucaran/fisher" \
"Fisher"

258
script/bootstrap.sh Executable file
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@ -0,0 +1,258 @@
#!/usr/bin/env sh
readonly GITHUB_REPO="punkfairie/dotfiles"
readonly DOTFILES_ORIGIN="git@github.com:$GITHUB_REPO.git"
readonly DOTFILES_TARBALL="https://github.com/$GITHUB_REPO/tarball/main"
readonly DOTFILES_UTILS="https://raw.githubusercontent.com/$GITHUB_REPO/main/scripts/utils.sh"
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
export DOT="$HOME/dotfiles" # MUST HAVE NO TRAILING SLASH!!
yes_to_all=false
################################################################################
# Download Dotfiles #
################################################################################
download()
{
url="$1"
output="$2"
if command -v "curl" >/dev/null 2>&1; then
curl \
--location \
--silent \
--show-error \
--output "$output" \
"$url" \
>/dev/null 2>&1
return $?
elif command -v "wget" >/dev/null 2>&1; then
wget \
--quiet \
--output-document="$output" \
"$url" \
>/dev/null 2>&1
return $?
fi
return 1
}
download_utils()
{
tmp_file="$(mktemp /tmp/XXXXX)"
# shellcheck source=/dev/null
download "$DOTFILES_UTILS" "$tmp_file" \
&& . "$tmp_file" \
&& rm -rf "$tmp_file" \
&& return 0
return 1
}
extract()
{
archive="$1"
output_dir="$2"
if command -v "tar" >/dev/null 2>&1; then
tar \
--extract \
--gzip \
--file "$archive" \
--strip-components 1 \
--directory "$output_dir"
return $?
fi
return 1
}
download_dotfiles()
{
print_title "Download and extract dotfiles archive"
tmp_file="$(mktemp /tmp/XXXXX)"
download "$DOTFILES_TARBALL" "$tmp_file"
print_result $? "Download archive" "true"
printf "\n"
if ! $yes_to_all; then
while [ -e "$DOT" ]; do
ask "'$DOT' already exists, do you want to (o)verwrite or (b)ackup the existing directory?"
answer="$(get_answer)"
case $answer in
o ) rm -rf "$DOT"; break;;
b ) mv "$DOT" "$DOT.bak"; break;;
* ) print_warning "Please enter a valid option."
esac
done
else
rm -rf "$DOT" >/dev/null 2>&1
fi
mkdir -p "$DOT"
print_result $? "Create '$DOT'" "true"
# Extract archive.
extract "$tmp_file" "$DOT"
print_result $? "Extract archive" "true"
rm -rf "$tmp_file"
print_result $? "Remove archive"
cd "$DOT/script" \
|| return 1
}
################################################################################
# Xcode #
################################################################################
are_xcode_cli_tools_installed()
{
xcode-select --print-path >/dev/null 2>&1
}
install_xcode_cli_toools()
{
if [ "$(uname)" = "Darwin" ]; then
print_title "Xcode"
xcode-select --install >/dev/null 2>&1
execute \
"until are_xcode_cli_tools_installed; do sleep 5; done" \
"Install Xcode Command Line Tools"
sudo xcodebuild -license accept >/dev/null 2>&1
print_result $? "Agree to the terms of the Xcode license"
fi
}
################################################################################
# Setup Gitconfig #
################################################################################
setup_gitconfig()
{
cd "$DOT" || return
if ! [ -f "$DOT/git/.gitconfig.local.symlink" ]; then
print_title "Set up gitconfig"
git_credential="cache"
if [ "$(uname)" = "Darwin" ]; then
git_credential="osxkeychain"
fi
print_question "What is your Github author name?"
read -r git_authorname
print_question "What is your Github author email?"
read -r git_authoremail
sed -e "s/AUTHORNAME/$git_authorname/g" \
-e "s/AUTHOREMAIL/$git_authoremail/g" \
-e "s/GIT_CREDENTIAL_HELPER/$git_credential/g" \
"$DOT/git/.gitconfig.local.symlink.example" > "$DOT/.gitconfig.local.symlink"
print_result $? "gitconfig"
fi
}
################################################################################
# Initialize Git Repo #
################################################################################
git_init()
{
print_title "Initialize Git repository"
if [ -z "$DOTFILES_ORIGIN" ]; then
print_error "Please provide a URL for the Git origin"
return 1
fi
if ! is_git_repository; then
cd "$DOT" || print_error "Failed to cd $DOT"
execute \
"git init && git remote add origin $DOTFILES_ORIGIN" \
"Initialize the dotfiles Git repository"
fi
}
################################################################################
# Main #
################################################################################
main()
{
if [ "$(uname)" != "Linux" ] && [ "$(uname)" != "Darwin" ]; then
printf "Sorry, this script is intended only for macOS and Ubuntu!"
return 1
fi
# Load utils.
if [ -x "${DOT}/script/utils.sh" ]; then
. "${DOT}/script/utils.sh" || exit 1
else
download_utils || exit 1
fi
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
skip_questions "$@" \
&& yes_to_all=true
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
ask_for_sudo
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Check if this script was run directly, and if not, dotfiles will need to be
# downloaded.
printf "%s" "$(sh_source "$0")" | grep "bootstrap.sh" >/dev/null 2>&1 \
|| download_dotfiles
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
setup_gitconfig
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
install_xcode_cli_toools
"$DOT/homebrew/brew.sh"
"$DOT/fish/install.sh"
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
if cmd_exists "git"; then
if [ "$(git config --get remote.origin.url)" != "$DOTFILES_ORIGIN" ]; then
git_init
fi
fi
}
main "$@"

119
script/dot Normal file
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@ -0,0 +1,119 @@
#!/usr/bin/env fish
# vim:set ft=fish :
set -q DOT || set -gx DOT "$HOME/dotfiles"
source "$DOT/script/utils"
################################################################################
# OS Preferences #
################################################################################
function set_os_prefs
print_title "OS Preferences"
set os $(uname | string lower)
"$DOT/os/$os.fish"
end
################################################################################
# Symlink Dotfiles #
################################################################################
function link_file
set -f src $argv[1]
set -f dst $argv[2]
set -f overwrite false
set -f backup false
set -f skip false
set -f action
if [ -f "$dst" ] || [ -d "$dst" ] || [ -L "$dst" ]
if ! $overwrite_all && ! $backup_all && ! $skip_all
set -f current_src (readlink "$dst")
if [ "$current_src" = "$src" ]
set skip true
else
print_question "File already exists: $dst ($(basename $src)), what do you want to do?\n([s]kip, [S]kip all, [o]verwrite, [O]verwrite all, [b]ackup, [B]ackup all)"
read -n 1 action
switch $action
case o
set overwrite true
case O
set overwrite_all true
case b
set backup true
case B
set backup_all true
case s
set skip true
case S
set skip_all true
end
end
end
set -q overwrite || set overwrite $overwrite_all
set -q backup || set backup $backup_all
set -q skip || set skip $skip_all
if $overwrite
rm -rf "$dst"
print_success "Removed $dst"
end
if $backup
mv "$dst" "{$dst}.bak"
print_success "Moved $dst to {$dst}.bak"
end
if $skip
print_success "Skipped $src"
end
end
if ! $skip
# See of any directories need to be created.
if echo "$dst" | grep -q '/' 2> /dev/null
mkdir -p (string replace -r '\/[^\/]+$' '' "$dst")
end
ln -s "$src" "$dst"
print_success "Linked $src to $dst"
end
end
function make_dst
set -l path (string escape --style=regex "$DOT")
set -l regex (string join '^\/' $path '\/[a-zA-Z]+\/(.+)\.symlink$')
set -l dst (string replace -r $regex '$1' "$argv[1]")
printf '%s' "$dst"
end
function install_dotfiles
print_title "Installing Dotfiles"
set -g overwrite_all false
set -g backup_all false
set -g skip_all false
find -H "$DOT" -name "*.symlink" -not -path ".git" | \
while read -l -t src; link_file "$src" "$(make_dst $src)"; end
end
################################################################################
# Main #
################################################################################
print_title "Installers"
find . -name install.fish | while read installer; fish -c "$installer"; end
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
install_dotfiles

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@ -1,384 +0,0 @@
#!/usr/bin/env bash
# vim:set ft=bash:
declare -r GITHUB_REPO="punkfairie/dotfiles"
declare -r DOTFILES_ORIGIN="git@github.com:$GITHUB_REPO.git"
declare -r DOTFILES_TARBALL="https://github.com/$GITHUB_REPO/tarball/main"
declare -r DOTFILES_UTILS="https://raw.githubusercontent.com/$GITHUB_REPO/main/scripts/utils.sh"
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
declare dotfiles_dir="$HOME/dotfiles" # MUST HAVE NO LEADING SLASH!!
declare yes_to_all=false
################################################################################
# Download Dotfiles #
################################################################################
download()
{
local url="$1"
local output="$2"
if command -v "curl" &> /dev/null; then
curl \
--location \
--silent \
--show-error \
--output "$output" \
"$url" \
&> /dev/null
return $?
elif command -v "wget" &> /dev/null; then
wget \
--quiet \
--output-document="$output" \
"$url" \
&> /dev/null
return $?
fi
return 1
}
download_utils()
{
local tmp_file=""
tmp_file="$(mktemp /tmp/XXXXX)"
download "$DOTFILES_UTILS" "$tmp_file" \
&& . "$tmp_file" \
&& rm -rf "$tmp_file" \
&& return 0
return 1
}
extract()
{
local archive="$1"
local output_dir="$2"
if command -v "tar" &> /dev/null; then
tar \
--extract \
--gzip \
--file "$archive" \
--strip-components 1 \
--directory "$output_dir"
return $?
fi
return 1
}
download_dotfiles()
{
local tmp_file=""
print_title "Download and extract dotfiles archive"
tmp_file="$(mktemp /tmp/XXXXX)"
download "$DOTFILES_TARBALL" "$tmp_file"
print_result $? "Download archive" "true"
printf "\n"
if ! $yes_to_all; then
while [[ -e $dotfiles_dir ]]; do
ask "'$dotfiles_dir' already exists, do you want to (o)verwrite or (b)ackup the existing directory?"
answer="$(get_answer)"
case $answer in
o ) rm -rf "$dotfiles_dir"; break;;
b ) mv "$dotfiles_dir" "$dotfiles_dir.bak"; break;;
* ) print_warning "Please enter a valid option."
esac
done
else
rm -rf "$dotfiles_dir" &> /dev/null
fi
mkdir -p "$dotfiles_dir"
print_result $? "Create '$dotfiles_dir'" "true"
# Extract archive.
extract "$tmp_file" "$dotfiles_dir"
print_result $? "Extract archive" "true"
rm -rf "$tmp_file"
print_result $? "Remove archive"
cd "$dotfiles_dir/script" \
|| return 1
}
################################################################################
# Xcode #
################################################################################
are_xcode_cli_tools_installed()
{
xcode-select --print-path &> /dev/null
}
install_xcode_cli_toools()
{
if [[ "$(uname)" == "Darwin" ]]; then
print_title "Xcode"
xcode-select --install &> /dev/null
execute \
"until are_xcode_cli_tools_installed; do sleep 5; done" \
"Install Xcode Command Line Tools"
sudo xcodebuild -license accept &> /dev/null
print_result $? "Agree to the terms of the Xcode license"
fi
}
################################################################################
# Setup Gitconfig #
################################################################################
setup_gitconfig()
{
cd "$dotfiles_dir"
if ! [[ -f $dotfiles_dir/git/.gitconfig.local.symlink ]]; then
print_title "Set up gitconfig"
git_credential="cache"
if [[ "$(uname)" == "Darwin" ]]; then
git_credential="osxkeychain"
fi
print_question "What is your Github author name?"
read -e git_authorname
print_question "What is your Github author email?"
read -e git_authoremail
sed -e "s/AUTHORNAME/$git_authorname/g" \
-e "s/AUTHOREMAIL/$git_authoremail/g" \
-e "s/GIT_CREDENTIAL_HELPER/$git_credential/g" \
$dotfiles_dir/git/.gitconfig.local.symlink.example > $dotfiles_dir/.gitconfig.local.symlink
print_result $? "gitconfig"
fi
}
################################################################################
# Install Dotfiles #
################################################################################
link_file()
{
local src=$1
local dst=$2
local overwrite=
local backup=
local skip=
local action=
if [ -f "$dst" -o -d "$dst" -o -L "$dst" ]; then
if ! $overwrite_all && ! $backup_all && ! $skip_all; then
local current_src="$(readlink $dst)"
if [[ "$current_src" == "$src" ]]; then
skip=true
else
print_question "File already exists: $dst ($(basename "$src")), what do you want to do?\n\
[s]kip, [S]kip all, [o]verwrite, [O]verwrite all, [b]ackup, [B]ackup all?"
read -n 1 action
case "$action" in
o ) overwrite=true ;;
O ) overwrite_all=true ;;
b ) backup=true ;;
B ) backup_all=true ;;
s ) skip=true ;;
S ) skip_all=true ;;
* ) ;;
esac
fi
fi
overwrite=${overwrite:-$overwrite_all}
backup=${backup:-$backup_all}
skip=${skip:-$skip_all}
if $overwrite; then
rm -rf "$dst"
print_success "Removed $dst"
fi
if $backup; then
mv "$dst" "${dst}.bak"
print_success "Moved $dst to ${dst}.bak"
fi
if $skip; then
print_success "Skipped $src"
fi
fi
if [[ $skip != "true" ]]; then # "false" or empty
# See if any directories need to be created
if [[ "$dst" =~ '/' ]]; then
mkdir -p "${dst%/*}"
fi
ln -s "$src" "$dst"
print_success "Linked $src to $dst"
fi
}
install_dotfiles()
{
print_title "Installing dotfiles"
local overwrite_all=false
local backup_all=false
local skip_all=false
for src in $(find -H "$dotfiles_dir" -maxdepth 5 -name "*.symlink" -not -path ".git"); do
dst="${src%.*}"
dst="${dst#$dotfiles_dir/}"
dst="${dst#*/}"
dst="$HOME/$dst"
link_file "$src" "$dst"
done
}
################################################################################
# Initialize Git Repo #
################################################################################
git_init()
{
print_title "Initialize Git repository"
if [[ -z "$DOTFILES_ORIGIN" ]]; then
print_error "Please provide a URL for the Git origin"
return 1
fi
if ! is_git_repository; then
cd $dotfiles_dir || print_error "Failed to cd $dotfiles_dir"
execute \
"git init && git remote add origin $DOTFILES_ORIGIN" \
"Initialize the dotfiles Git repository"
fi
}
################################################################################
# Restart OS #
################################################################################
restart_os()
{
print_title "Restart"
ask_for_confirmation "Do you want to restart?"
printf "\n"
if answer_is_yes; then
sudo shutdown -r now &> /dev/null
fi
}
################################################################################
# Main #
################################################################################
main()
{
if [[ "$(uname)" != "Linux" ]] && [[ "$(uname)" != "Darwin" ]]; then
printf "Sorry, this script is intended only for macOS and Ubuntu!"
return 1
fi
# Load utils.
if [[ -x "${dotfiles_dir}/script/utils.sh" ]]; then
. "${dotfiles_dir}/script/utils.sh" || exit 1
else
download_utils || exit 1
fi
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
skip_questions "$@" \
&& yes_to_all=true
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
ask_for_sudo
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Check if this script was run directly, and if not, dotfiles will need to be
# downloaded.
printf "%s" "${BASH_SOURCE[0]}" | grep "dot.sh" &> /dev/null \
|| download_dotfiles
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
setup_gitconfig
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
install_dotfiles
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
$dotfiles_dir/os/pref.sh
install_xcode_cli_toools
$dotfiles_dir/homebrew/brew.sh
$dotfiles_dir/node/volta.sh
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
print_title "Installers"
find . -name install.sh | while read installer ; do sh -c "${installer}" ; done
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
if cmd_exists "git"; then
if [[ "$(git config --get remote.origin.url)" != "$DOTFILES_ORIGIN" ]]; then
git_init
fi
fi
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
if ! $yes_to_all; then
restart_os
fi
}
main "$@"

141
script/utils Normal file
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@ -0,0 +1,141 @@
#!/usr/bin/env fish
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
function print_in_color
printf '%b' \
"$(tput setaf $argv[2] 2> /dev/null)" \
$argv[1] \
"$(tput sgr0 2> /dev/null)"
end
function print_in_red
print_in_color $argv[1] 1
end
function print_in_yellow
print_in_color $argv[1] 3
end
function print_in_green
print_in_color $argv[1] 2
end
function print_in_purple
print_in_color $argv[1] 5
end
function print_title
print_in_purple "\n • $argv[1]\n\n"
end
function print_success
print_in_green " [✔] $argv[1]\n"
end
function print_warning
print_in_yellow " [!] $argv[1]\n"
end
function print_error
print_in_red " [✖] $argv[1] $argv[2]\n"
end
function print_question
print_in_yellow " [?] $argv[1]\n"
end
function print_result
if [ "$argv[1]" -eq 0 ]
print_success $argv[2]
else
print_error $argv[2]
end
return $argv[1]
end
function print_error_stream
while read -r line
print_error "↳ ERROR: $line"
end
end
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
function show_spinner
set -l frames '/-\|'
set -l number_of_frames (string length $FRAMES)
set -l pid $argv[1]
set -l cmds $argv[2]
set -l msg $argv[3]
set -l i 0
set -l frame_text ""
printf "\n\n\n"
tput cuu 3
tput sc
while kill -0 "$pid" &> /dev/null
set i math $i + 1
set -l num math % $number_of_frames
set -l frame (string sub -s $num -l 1)
set frame_text " [$frame] $msg"
printf '%s' $frame_text
sleep 0.2
tput rc
end
end
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
function set_trap
trap -p "$argv[1]" | grep "$argv[2]" &> /dev/null \
|| trap "$argv[2]" "$argv[1]"
end
function kill_all_subproccesses
set -l i ""
for i in (jobs -p)
kill "$i"
wait "$i" &> /dev/null
end
end
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
function execute
set -l cmds $argv[1]
set -q $argv[2] and set -l msg $argv[2] or set -l msg $argv[1]
set -l tmp_file "$(mktmp /tmp/XXXXX)"
set -l exit_code 0
set_trap 'EXIT' 'kill_all_subproccesses'
eval "$cmds" &> /dev/null 2> $tmp_file &
set cmds_pid $last_pid
show_spinner $cmds_pid $cmds $msg
wait $cmds_pid &> /dev/null
set exit_code $status
print_result $exit_code $msg
if [ $exit_code -ne 0 ]
print_error_stream < $tmp_file
end
rm -rf "$tmp_file"
return $exit_code
end

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@ -1,5 +1,4 @@
#!/usr/bin/env bash
# vim:set ft=bash:
#!/usr/bin/env sh
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@ -21,7 +20,7 @@ skip_questions()
ask_for_sudo()
{
sudo -v &> /dev/null
sudo -v >/dev/null 2>&1
# Update existing 'sudo' timestamp until this script has finished.
#
@ -31,7 +30,7 @@ ask_for_sudo()
sudo -n true
sleep 60
kill -0 "$$" || exit
done &> /dev/null &
done >/dev/null 2>&1 &
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@ -93,7 +92,7 @@ print_question()
print_result()
{
if [[ "$1" == 0 ]]; then
if [ "$1" = 0 ]; then
print_success "$2"
else
print_error "$2"
@ -110,6 +109,17 @@ print_error_stream()
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# https://stackoverflow.com/a/32270158
# POSIX read -n 1
# Usage: var="$(read_char)"
read_char()
{
old=$(stty -g)
stty raw -echo min 0
printf '%s' "$(dd bs=1 count=1 2>/dev/null)"
stty "$old"
}
ask()
{
print_question "$1"
@ -124,32 +134,29 @@ get_answer()
ask_for_confirmation()
{
print_question "$1 (y/n) "
read -r -n 1
REPLY="$(read_char)"
printf "\n"
}
answer_is_yes()
{
[[ "$REPLY" =~ ^[Yy]$ ]] \
&& return 0 \
|| return 1
expr "$REPLY" : '[Yy]$'
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
show_spinner()
{
local -r FRAMES='/-\|'
readonly FRAMES='/-\|'
# shellcheck disable=SC2034
local -r NUMBER_OF_FRAMES=${#FRAMES}
readonly NUMBER_OF_FRAMES=${#FRAMES}
local -r CMDS="$2"
local -r MSG="$3"
local -r PID="$1"
readonly CMDS="$2"
readonly MSG="$3"
readonly PID="$1"
local i=0
local frame_text=""
i=0
frame_text=""
# Provide more space so that the text hopefully doesn't reach the bottom line
# of the terminal window.
@ -163,8 +170,11 @@ show_spinner()
tput cuu 3
tput sc
while kill -0 "$PID" &> /dev/null; do
frame_text=" [${FRAMES:i++%NUMBER_OF_FRAMES:1}] $MSG"
while kill -0 "$PID" >/dev/null 2>&1; do
i=$((i+1))
num=$((i % NUMBER_OF_FRAMES))
frame="$(echo $FRAMES | cut -c ${num}-$((num + 1)))"
frame_text=" [$frame] $MSG"
# Print frame text.
printf "%s" "$frame_text"
@ -180,40 +190,87 @@ show_spinner()
cmd_exists()
{
command -v "$1" &> /dev/null
command -v "$1" >/dev/null 2>&1
}
is_git_repository()
{
git rev-parse &> /dev/null
git rev-parse >/dev/null 2>&1
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# https://stackoverflow.com/a/29835459
# POSIX compliant way of finding BASH_SOURCE
# Usage: sh_source "$0"
rreadlink()
(
target=$1
fname=
targetDir=
CDPATH=
{ \unalias command; \unset-f command; } >/dev/null 2>&1
# shellcheck disable=SC2034
[ -n "$ZSH_VERSION" ] && options[POSIX_BUILTINS]=on
while :; do
[ -L "$target" ] || [ -e "$target" ] || { command printf '%s\n' "ERROR: $target does not exist." >&2; return 1; }
# shellcheck disable=SC2164
command cd "$(command dirname -- "$target")"
fname=$(command basename -- "$target")
[ "$fname" = '/' ] && fname=''
if [ -L "$fname" ]; then
target=$(command ls -l "$fname")
target=${target#* -> }
continue
fi
break
done
targetDir=$(command pwd -P)
if [ "$fname" = '.' ]; then
command printf '%s\n' "${targetDir%/}"
elif [ "$fname" = '..' ]; then
command printf '%s\n' "${targetDir%/}/$fname"
fi
)
sh_source()
{
printf '%s' "$(dirname -- "$(rreadlink "$1")")"
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
set_trap()
{
trap -p "$1" | grep "$2" &> /dev/null \
trap | grep "'$2' $1" >/dev/null 2>&1 \
|| trap '$2' "$1"
}
kill_all_subproccesses()
{
local i=""
i=""
for i in $(jobs -p); do
kill "$i"
wait "$i" &> /dev/null
wait "$i" >/dev/null 2>&1
done
}
execute()
{
local -r CMDS="$1"
local -r MSG="${2:-$1}"
local -r TMP_FILE="$(mktemp /tmp/XXXXX)"
readonly CMDS="$1"
readonly MSG="${2:-$1}"
local exit_code=0
local cmds_pid=""
readonly TMP_FILE
TMP_FILE="$(mktemp /tmp/XXXXX)"
exit_code=0
cmds_pid=""
# If the current process is ended, also end all its subproccesses.
set_trap "EXIT" "kill_all_subproccesses"
@ -221,7 +278,7 @@ execute()
# Execute commands in background
# shellcheck disable=SC2261
eval "$CMDS" \
&> /dev/null \
>/dev/null 2>&1 \
2> "$TMP_FILE" &
cmds_pid=$!
@ -231,13 +288,13 @@ execute()
# Wait for the commands to no longer be executing in the background, and then
# get their exit code.
wait "$cmds_pid" &> /dev/null
wait "$cmds_pid" >/dev/null 2>&1
exit_code=$?
# Print output based on what happened.
print_result $exit_code "$MSG"
if [[ $exit_code -ne 0 ]]; then
if [ $exit_code -ne 0 ]; then
print_error_stream < "$TMP_FILE"
fi