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享元模式:减少内存占用的诀窍

微言记 2023-06-11 阅读 80
macos

#!/bin/sh

This script should be run via curl:

sh -c “$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)”

or via wget:

sh -c “$(wget -qO- https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)”

or via fetch:

sh -c “$(fetch -o - https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)”

As an alternative, you can first download the install script and run it afterwards:

wget https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh

sh install.sh

You can tweak the install behavior by setting variables when running the script. For

example, to change the path to the Oh My Zsh repository:

ZSH=~/.zsh sh install.sh

Respects the following environment variables:

ZDOTDIR - path to Zsh dotfiles directory (default: unset). See [1][2]

[1] https://zsh.sourceforge.io/Doc/Release/Parameters.html#index-ZDOTDIR

[2] https://zsh.sourceforge.io/Doc/Release/Files.html#index-ZDOTDIR_002c-use-of

ZSH - path to the Oh My Zsh repository folder (default: $HOME/.oh-my-zsh)

REPO - name of the GitHub repo to install from (default: ohmyzsh/ohmyzsh)

REMOTE - full remote URL of the git repo to install (default: GitHub via HTTPS)

BRANCH - branch to check out immediately after install (default: master)

Other options:

CHSH - ‘no’ means the installer will not change the default shell (default: yes)

RUNZSH - ‘no’ means the installer will not run zsh after the install (default: yes)

KEEP_ZSHRC - ‘yes’ means the installer will not replace an existing .zshrc (default: no)

You can also pass some arguments to the install script to set some these options:

–skip-chsh: has the same behavior as setting CHSH to ‘no’

–unattended: sets both CHSH and RUNZSH to ‘no’

–keep-zshrc: sets KEEP_ZSHRC to ‘yes’

For example:

sh install.sh --unattended

or:

sh -c “$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)” “” --unattended

set -e

Make sure important variables exist if not already defined

$USER is defined by login(1) which is not always executed (e.g. containers)

POSIX: https://pubs.opengroup.org/onlinepubs/009695299/utilities/id.html

USER=KaTeX parse error: Expected '}', got 'EOF' at end of input: {USER:-(id -u -n)}

$HOME is defined at the time of login, but it could be unset. If it is unset,

a tilde by itself (~) will not be expanded to the current user’s home directory.

POSIX: https://pubs.opengroup.org/onlinepubs/009696899/basedefs/xbd_chap08.html#tag_08_03

HOME=“KaTeX parse error: Expected '}', got 'EOF' at end of input: {HOME:-(getent passwd $USER 2>/dev/null | cut -d: -f6)}”

macOS does not have getent, but this works even if $HOME is unset

HOME=“KaTeX parse error: Expected '}', got 'EOF' at end of input: {HOME:-(eval echo ~$USER)}”

Track if $ZSH was provided

custom_zsh=${ZSH:+yes}

Use $zdot to keep track of where the directory is for zsh dotfiles

To check if $ZDOTDIR was provided, explicitly check for $ZDOTDIR

zdot=“KaTeX parse error: Expected '}', got 'EOF' at end of input: {ZDOTDIR:-HOME}”

Default value for $ZSH

a) if $ZDOTDIR is supplied and not $HOME: $ZDOTDIR/ohmyzsh

b) otherwise, $HOME/.oh-my-zsh

[ “ Z D O T D I R " = " ZDOTDIR" = " ZDOTDIR"="HOME” ] || ZSH=“KaTeX parse error: Expected '}', got 'EOF' at end of input: {ZSH:-{ZDOTDIR:+KaTeX parse error: Expected 'EOF', got '}' at position 16: ZDOTDIR/ohmyzsh}̲}" ZSH="{ZSH:-$HOME/.oh-my-zsh}”

Default settings

REPO= R E P O : − o h m y z s h / o h m y z s h R E M O T E = {REPO:-ohmyzsh/ohmyzsh} REMOTE= REPO:ohmyzsh/ohmyzshREMOTE={REMOTE:-https://github.com/KaTeX parse error: Expected 'EOF', got '}' at position 11: {REPO}.git}̲ BRANCH={BRANCH:-master}

Other options

CHSH= C H S H : − y e s R U N Z S H = {CHSH:-yes} RUNZSH= CHSH:yesRUNZSH={RUNZSH:-yes}
KEEP_ZSHRC=${KEEP_ZSHRC:-no}

command_exists() {
command -v “$@” >/dev/null 2>&1
}

user_can_sudo() {

Check if sudo is installed

command_exists sudo || return 1

Termux can’t run sudo, so we can detect it and exit the function early.

case “$PREFIX” in
com.termux) return 1 ;;
esac

The following command has 3 parts:

1. Run sudo with -v. Does the following:

• with privilege: asks for a password immediately.

• without privilege: exits with error code 1 and prints the message:

Sorry, user may not run sudo on

2. Pass -n to sudo to tell it to not ask for a password. If the

password is not required, the command will finish with exit code 0.

If one is required, sudo will exit with error code 1 and print the

message:

sudo: a password is required

3. Check for the words “may not run sudo” in the output to really tell

whether the user has privileges or not. For that we have to make sure

to run sudo in the default locale (with LANG=) so that the message

stays consistent regardless of the user’s locale.

! LANG= sudo -n -v 2>&1 | grep -q “may not run sudo”
}

The [ -t 1 ] check only works when the function is not called from

a subshell (like in $(...) or (...), so this hack redefines the

function at the top level to always return false when stdout is not

a tty.

if [ -t 1 ]; then
is_tty() {
true
}
else
is_tty() {
false
}
fi

This function uses the logic from supports-hyperlinks[1][2], which is

made by Kat Marchán (@zkat) and licensed under the Apache License 2.0.

[1] https://github.com/zkat/supports-hyperlinks

[2] https://crates.io/crates/supports-hyperlinks

Copyright © 2021 Kat Marchán

Licensed under the Apache License, Version 2.0 (the “License”);

you may not use this file except in compliance with the License.

You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software

distributed under the License is distributed on an “AS IS” BASIS,

WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

See the License for the specific language governing permissions and

limitations under the License.

supports_hyperlinks() {

$FORCE_HYPERLINK must be set and be non-zero (this acts as a logic bypass)

if [ -n “ F O R C E H Y P E R L I N K " ] ; t h e n [ " FORCE_HYPERLINK" ]; then [ " FORCEHYPERLINK"];then["FORCE_HYPERLINK” != 0 ]
return $?
fi

If stdout is not a tty, it doesn’t support hyperlinks

is_tty || return 1

DomTerm terminal emulator (domterm.org)

if [ -n “$DOMTERM” ]; then
return 0
fi

VTE-based terminals above v0.50 (Gnome Terminal, Guake, ROXTerm, etc)

if [ -n “$VTE_VERSION” ]; then
[ $VTE_VERSION -ge 5000 ]
return $?
fi

If $TERM_PROGRAM is set, these terminals support hyperlinks

case “$TERM_PROGRAM” in
Hyper|iTerm.app|terminology|WezTerm) return 0 ;;
esac

kitty supports hyperlinks

if [ “$TERM” = xterm-kitty ]; then
return 0
fi

Windows Terminal also supports hyperlinks

if [ -n “$WT_SESSION” ]; then
return 0
fi

Konsole supports hyperlinks, but it’s an opt-in setting that can’t be detected

https://github.com/ohmyzsh/ohmyzsh/issues/10964

if [ -n “$KONSOLE_VERSION” ]; then

return 0

fi

return 1
}

Adapted from code and information by Anton Kochkov (@XVilka)

Source: https://gist.github.com/XVilka/8346728

supports_truecolor() {
case “$COLORTERM” in
truecolor|24bit) return 0 ;;
esac

case “$TERM” in
iterm |
tmux-truecolor |
linux-truecolor |
xterm-truecolor |
screen-truecolor) return 0 ;;
esac

return 1
}

fmt_link() {

$1: text, $2: url, $3: fallback mode

if supports_hyperlinks; then
printf ‘\033]8;;%s\033\%s\033]8;;\033\\n’ “$2” “$1”
return
fi

case “$3” in
–text) printf ‘%s\n’ “$1” ;;
–url|*) fmt_underline “$2” ;;
esac
}

fmt_underline() {
is_tty && printf ‘\033[4m%s\033[24m\n’ “ ∗ " ∣ ∣ p r i n t f ′ *" || printf '%s\n' " "∣∣printf*”
}

shellcheck disable=SC2016 # backtick in single-quote

fmt_code() {
is_tty && printf ‘\033[2m%s\033[22m\n’ “ ∗ " ∣ ∣ p r i n t f ′ ‘ *" || printf '`%s`\n' " "∣∣printf*”
}

fmt_error() {
printf ‘%sError: %s%s\n’ “ F M T B O L D {FMT_BOLD} FMTBOLD{FMT_RED}” “ ∗ " " *" " ""FMT_RESET” >&2
}

setup_color() {

Only use colors if connected to a terminal

if ! is_tty; then
FMT_RAINBOW=“”
FMT_RED=“”
FMT_GREEN=“”
FMT_YELLOW=“”
FMT_BLUE=“”
FMT_BOLD=“”
FMT_RESET=“”
return
fi

if supports_truecolor; then
FMT_RAINBOW="
$(printf ‘\033[38;2;255;0;0m’)
$(printf ‘\033[38;2;255;97;0m’)
$(printf ‘\033[38;2;247;255;0m’)
$(printf ‘\033[38;2;0;255;30m’)
$(printf ‘\033[38;2;77;0;255m’)
$(printf ‘\033[38;2;168;0;255m’)
$(printf ‘\033[38;2;245;0;172m’)
"
else
FMT_RAINBOW="
$(printf ‘\033[38;5;196m’)
$(printf ‘\033[38;5;202m’)
$(printf ‘\033[38;5;226m’)
$(printf ‘\033[38;5;082m’)
$(printf ‘\033[38;5;021m’)
$(printf ‘\033[38;5;093m’)
$(printf ‘\033[38;5;163m’)
"
fi

FMT_RED=KaTeX parse error: Undefined control sequence: \0 at position 10: (printf '\̲0̲33[31m') FMT_…(printf ‘\033[32m’)
FMT_YELLOW=KaTeX parse error: Undefined control sequence: \0 at position 10: (printf '\̲0̲33[33m') FMT_…(printf ‘\033[34m’)
FMT_BOLD=KaTeX parse error: Undefined control sequence: \0 at position 10: (printf '\̲0̲33[1m') FMT_R…(printf ‘\033[0m’)
}

setup_ohmyzsh() {

Prevent the cloned repository from having insecure permissions. Failing to do

so causes compinit() calls to fail with “command not found: compdef” errors

for users with insecure umasks (e.g., “002”, allowing group writability). Note

that this will be ignored under Cygwin by default, as Windows ACLs take

precedence over umasks except for filesystems mounted with option “noacl”.

umask g-w,o-w

echo “ F M T B L U E C l o n i n g O h M y Z s h . . . {FMT_BLUE}Cloning Oh My Zsh... FMTBLUECloningOhMyZsh...{FMT_RESET}”

command_exists git || {
fmt_error “git is not installed”
exit 1
}

ostype= ( u n a m e ) i f [ − z " (uname) if [ -z " (uname)if[z"{ostype%CYGWIN*}" ] && git --version | grep -Eq ‘msysgit|windows’; then
fmt_error “Windows/MSYS Git is not supported on Cygwin”
fmt_error “Make sure the Cygwin git package is installed and is first on the $PATH”
exit 1
fi

Manual clone with git config options to support git < v1.7.2

git init --quiet “KaTeX parse error: Expected 'EOF', got '&' at position 6: ZSH" &̲& cd "ZSH”
&& git config core.eol lf
&& git config core.autocrlf false
&& git config fsck.zeroPaddedFilemode ignore
&& git config fetch.fsck.zeroPaddedFilemode ignore
&& git config receive.fsck.zeroPaddedFilemode ignore
&& git config oh-my-zsh.remote origin
&& git config oh-my-zsh.branch “KaTeX parse error: Expected 'EOF', got '&' at position 13: BRANCH" \ &̲& git remote ad…REMOTE”
&& git fetch --depth=1 origin
&& git checkout -b “ B R A N C H " " o r i g i n / BRANCH" "origin/ BRANCH""origin/BRANCH” || {
[ ! -d “KaTeX parse error: Expected '}', got 'EOF' at end of input: … rm -rf "ZSH” 2>/dev/null
}
fmt_error “git clone of oh-my-zsh repo failed”
exit 1
}

Exit installation directory

cd -

echo
}

setup_zshrc() {

Keep most recent old .zshrc at .zshrc.pre-oh-my-zsh, and older ones

with datestamp of installation that moved them aside, so we never actually

destroy a user’s original zshrc

echo “ F M T B L U E L o o k i n g f o r a n e x i s t i n g z s h c o n f i g . . . {FMT_BLUE}Looking for an existing zsh config... FMTBLUELookingforanexistingzshconfig...{FMT_RESET}”

Must use this exact name so uninstall.sh can find it

OLD_ZSHRC=“ z d o t / . z s h r c . p r e − o h − m y − z s h " i f [ − f " zdot/.zshrc.pre-oh-my-zsh" if [ -f " zdot/.zshrc.preohmyzsh"if[f"zdot/.zshrc” ] || [ -h “KaTeX parse error: Expected 'EOF', got '#' at position 26: …c" ]; then #̲ Skip this if t…KEEP_ZSHRC” = yes ]; then
echo “${FMT_YELLOW}Found z d o t / . z s h r c . {zdot}/.zshrc. zdot/.zshrc.{FMT_RESET} F M T G R E E N K e e p i n g . . . {FMT_GREEN}Keeping... FMTGREENKeeping...{FMT_RESET}”
return
fi
if [ -e “ O L D Z S H R C " ] ; t h e n O L D O L D Z S H R C = " OLD_ZSHRC" ]; then OLD_OLD_ZSHRC=" OLDZSHRC"];thenOLDOLDZSHRC="{OLD_ZSHRC}- ( d a t e + i f [ − e " (date +%Y-%m-%d_%H-%M-%S)" if [ -e " (date+if[e"OLD_OLD_ZSHRC” ]; then
fmt_error “$OLD_OLD_ZSHRC exists. Can’t back up O L D Z S H R C " f m t e r r o r " r e − r u n t h e i n s t a l l e r a g a i n i n a c o u p l e o f s e c o n d s " e x i t 1 f i m v " {OLD_ZSHRC}" fmt_error "re-run the installer again in a couple of seconds" exit 1 fi mv " OLDZSHRC"fmterror"reruntheinstalleragaininacoupleofseconds"exit1fimv"OLD_ZSHRC” “${OLD_OLD_ZSHRC}”

  echo "${FMT_YELLOW}Found old .zshrc.pre-oh-my-zsh." \
    "${FMT_GREEN}Backing up to ${OLD_OLD_ZSHRC}${FMT_RESET}"
fi
echo "${FMT_YELLOW}Found ${zdot}/.zshrc.${FMT_RESET} ${FMT_GREEN}Backing up to ${OLD_ZSHRC}${FMT_RESET}"
mv "$zdot/.zshrc" "$OLD_ZSHRC"

fi

echo “${FMT_GREEN}Using the Oh My Zsh template file and adding it to z d o t / . z s h r c . zdot/.zshrc. zdot/.zshrc.{FMT_RESET}”

Modify $ZSH variable in .zshrc directory to use the literal $ZDOTDIR or $HOME

omz=“ Z S H " i f [ − n " ZSH" if [ -n " ZSH"if[n"ZDOTDIR” ] && [ “ Z D O T D I R " ! = " ZDOTDIR" != " ZDOTDIR"!="HOME” ]; then
omz= ( e c h o " (echo " (echo"omz" | sed “s|^$ZDOTDIR/|$ZDOTDIR/|”)
fi
omz= ( e c h o " (echo " (echo"omz" | sed “s|^$HOME/|$HOME/|”)

sed “s|^export ZSH=.*KaTeX parse error: Expected group as argument to '\"' at end of input: |export ZSH=\"{omz}”|" “ Z S H / t e m p l a t e s / z s h r c . z s h − t e m p l a t e " > " ZSH/templates/zshrc.zsh-template" > " ZSH/templates/zshrc.zshtemplate">"zdot/.zshrc-omztemp”
mv -f “ z d o t / . z s h r c − o m z t e m p " " zdot/.zshrc-omztemp" " zdot/.zshrcomztemp""zdot/.zshrc”

echo
}

setup_shell() {

Skip setup if the user wants or stdin is closed (not running interactively).

if [ “$CHSH” = no ]; then
return
fi

If this user’s login shell is already “zsh”, do not attempt to switch.

if [ “ ( b a s e n a m e − − " (basename -- " (basename"SHELL”)" = “zsh” ]; then
return
fi

If this platform doesn’t provide a “chsh” command, bail out.

if ! command_exists chsh; then
cat <<EOF
I can’t change your shell automatically because this system does not have chsh.
F M T B L U E P l e a s e m a n u a l l y c h a n g e y o u r d e f a u l t s h e l l t o z s h {FMT_BLUE}Please manually change your default shell to zsh FMTBLUEPleasemanuallychangeyourdefaultshelltozsh{FMT_RESET}
EOF
return
fi

echo “ F M T B L U E T i m e t o c h a n g e y o u r d e f a u l t s h e l l t o z s h : {FMT_BLUE}Time to change your default shell to zsh: FMTBLUETimetochangeyourdefaultshelltozsh:{FMT_RESET}”

Prompt for user choice on changing the default login shell

printf '%sDo you want to change your default shell to zsh? [Y/n]%s ’
F M T Y E L L O W " " FMT_YELLOW" " FMTYELLOW""FMT_RESET”
read -r opt
case $opt in
y*|Y*|“”) ;;
n*|N*) echo “Shell change skipped.”; return ;;
*) echo “Invalid choice. Shell change skipped.”; return ;;
esac

Check if we’re running on Termux

case “$PREFIX” in
com.termux) termux=true; zsh=zsh ;;
*) termux=false ;;
esac

if [ “$termux” != true ]; then
# Test for the right location of the “shells” file
if [ -f /etc/shells ]; then
shells_file=/etc/shells
elif [ -f /usr/share/defaults/etc/shells ]; then # Solus OS
shells_file=/usr/share/defaults/etc/shells
else
fmt_error “could not find /etc/shells file. Change your default shell manually.”
return
fi

# Get the path to the right zsh binary
# 1. Use the most preceding one based on $PATH, then check that it's in the shells file
# 2. If that fails, get a zsh path from the shells file, then check it actually exists
if ! zsh=$(command -v zsh) || ! grep -qx "$zsh" "$shells_file"; then
  if ! zsh=$(grep '^/.*/zsh$' "$shells_file" | tail -n 1) || [ ! -f "$zsh" ]; then
    fmt_error "no zsh binary found or not present in '$shells_file'"
    fmt_error "change your default shell manually."
    return
  fi
fi

fi

We’re going to change the default shell, so back up the current one

if [ -n “ S H E L L " ] ; t h e n e c h o " SHELL" ]; then echo " SHELL"];thenecho"SHELL” > “KaTeX parse error: Expected group after '^' at position 45: …else grep "^̲USER:” /etc/passwd | awk -F: '{print KaTeX parse error: Expected 'EOF', got '}' at position 2: 7}̲' > "zdot/.shell.pre-oh-my-zsh"
fi

echo “Changing your shell to $zsh…”

Check if user has sudo privileges to run chsh with or without sudo

This allows the call to succeed without password on systems where the

user does not have a password but does have sudo privileges, like in

Google Cloud Shell.

On systems that don’t have a user with passwordless sudo, the user will

be prompted for the password either way, so this shouldn’t cause any issues.

if user_can_sudo; then
sudo -k chsh -s “ z s h " " zsh" " zsh""USER” # -k forces the password prompt
else
chsh -s “ z s h " " zsh" " zsh""USER” # run chsh normally
fi

Check if the shell change was successful

if [ ? − n e 0 ] ; t h e n f m t e r r o r " c h s h c o m m a n d u n s u c c e s s f u l . C h a n g e y o u r d e f a u l t s h e l l m a n u a l l y . " e l s e e x p o r t S H E L L = " ? -ne 0 ]; then fmt_error "chsh command unsuccessful. Change your default shell manually." else export SHELL=" ?ne0];thenfmterror"chshcommandunsuccessful.Changeyourdefaultshellmanually."elseexportSHELL="zsh"
echo “ F M T G R E E N S h e l l s u c c e s s f u l l y c h a n g e d t o ′ {FMT_GREEN}Shell successfully changed to ' FMTGREENShellsuccessfullychangedtozsh’.${FMT_RESET}”
fi

echo
}

shellcheck disable=SC2183 # printf string has more %s than arguments ($FMT_RAINBOW expands to multiple arguments)

print_success() {
printf ‘%s %s__ %s %s %s %s %s__ %s\n’ $FMT_RAINBOW $FMT_RESET
printf ‘%s ____ %s/ /_ %s ____ ___ %s__ __ %s ____ %s_____%s/ /_ %s\n’ $FMT_RAINBOW $FMT_RESET
printf ‘%s / __ \%s/ __ \ %s / __ `__ \%s/ / / / %s /_ / %s/ /%s __ \ %s\n’ $FMT_RAINBOW $FMT_RESET
printf '%s/ /
/ /%s / / / %s / / / / / /%s /
/ / %s / /
%s(__ )%s / / / %s\n’ $FMT_RAINBOW $FMT_RESET
printf ‘%s\/%s/ // %s // // //%s\, / %s //%s____/%s_/ // %s\n’ $FMT_RAINBOW $FMT_RESET
printf '%s %s %s %s /
___/ %s %s %s %s…is now installed!%s\n’ $FMT_RAINBOW $FMT_GREEN $FMT_RESET
printf ‘\n’
printf ‘\n’
printf “%s %s %s\n” “Before you scream F M T B O L D {FMT_BOLD} FMTBOLD{FMT_YELLOW}Oh My Zsh! F M T R E S E T l o o k o v e r t h e "   " {FMT_RESET} look over the" \ " FMTRESETlookoverthe" "(fmt_code “ ( f m t l i n k " . z s h r c " " f i l e : / / (fmt_link ".zshrc" "file:// (fmtlink".zshrc""file://zdot/.zshrc” --text)”)"
“file to select plugins, themes, and options.”
printf ‘\n’
printf ‘%s\n’ “• Follow us on Twitter: $(fmt_link @ohmyzsh https://twitter.com/ohmyzsh)”
printf ‘%s\n’ “• Join our Discord community: $(fmt_link “Discord server” https://discord.gg/ohmyzsh)”
printf ‘%s\n’ “• Get stickers, t-shirts, coffee mugs and more: $(fmt_link “Planet Argon Shop” https://shop.planetargon.com/collections/oh-my-zsh)”
printf ‘%s\n’ $FMT_RESET
}

main() {

Run as unattended if stdin is not a tty

if [ ! -t 0 ]; then
RUNZSH=no
CHSH=no
fi

Parse arguments

while [ $# -gt 0 ]; do
case $1 in
–unattended) RUNZSH=no; CHSH=no ;;
–skip-chsh) CHSH=no ;;
–keep-zshrc) KEEP_ZSHRC=yes ;;
esac
shift
done

setup_color

if ! command_exists zsh; then
echo “ F M T Y E L L O W Z s h i s n o t i n s t a l l e d . {FMT_YELLOW}Zsh is not installed. FMTYELLOWZshisnotinstalled.{FMT_RESET} Please install zsh first.”
exit 1
fi

if [ -d “ Z S H " ] ; t h e n e c h o " ZSH" ]; then echo " ZSH"];thenecho"{FMT_YELLOW}The $ZSH folder already exists ( Z S H ) . ZSH). ZSH).{FMT_RESET}”
if [ “$custom_zsh” = yes ]; then
cat <<EOF

You ran the installer with the $ZSH setting or the $ZSH variable is
exported. You have 3 options:

  1. Unset the ZSH variable when calling the installer:
    $(fmt_code “ZSH= sh install.sh”)
  2. Install Oh My Zsh to a directory that doesn’t exist yet:
    $(fmt_code “ZSH=path/to/new/ohmyzsh/folder sh install.sh”)
  3. (Caution) If the folder doesn’t contain important information,
    you can just remove it with $(fmt_code “rm -r $ZSH”)

EOF
else
echo “You’ll need to remove it if you want to reinstall.”
fi
exit 1
fi

Create ZDOTDIR folder structure if it doesn’t exist

if [ -n “ Z D O T D I R " ] ; t h e n m k d i r − p " ZDOTDIR" ]; then mkdir -p " ZDOTDIR"];thenmkdirp"ZDOTDIR”
fi

setup_ohmyzsh
setup_zshrc
setup_shell

print_success

if [ R U N Z S H = n o ] ; t h e n e c h o " RUNZSH = no ]; then echo " RUNZSH=no];thenecho"{FMT_YELLOW}Run zsh to try it out.${FMT_RESET}"
exit
fi

exec zsh -l
}

main "$@"�

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