Update 05.04.2026
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@@ -16,15 +16,19 @@
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# ZSH=~/.zsh sh install.sh
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#
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# Respects the following environment variables:
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# ZDOTDIR - path to Zsh dotfiles directory (default: unset). See [1][2]
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# [1] https://zsh.sourceforge.io/Doc/Release/Parameters.html#index-ZDOTDIR
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# [2] https://zsh.sourceforge.io/Doc/Release/Files.html#index-ZDOTDIR_002c-use-of
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# ZSH - path to the Oh My Zsh repository folder (default: $HOME/.oh-my-zsh)
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# REPO - name of the GitHub repo to install from (default: ohmyzsh/ohmyzsh)
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# REMOTE - full remote URL of the git repo to install (default: GitHub via HTTPS)
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# BRANCH - branch to check out immediately after install (default: master)
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#
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# Other options:
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# CHSH - 'no' means the installer will not change the default shell (default: yes)
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# RUNZSH - 'no' means the installer will not run zsh after the install (default: yes)
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# KEEP_ZSHRC - 'yes' means the installer will not replace an existing .zshrc (default: no)
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# CHSH - 'no' means the installer will not change the default shell (default: yes)
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# RUNZSH - 'no' means the installer will not run zsh after the install (default: yes)
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# KEEP_ZSHRC - 'yes' means the installer will not replace an existing .zshrc (default: no)
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# OVERWRITE_CONFIRMATION - 'no' means the installer will not ask for confirmation to overwrite the existing .zshrc (default: yes)
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#
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# You can also pass some arguments to the install script to set some these options:
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# --skip-chsh: has the same behavior as setting CHSH to 'no'
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@@ -53,8 +57,19 @@ HOME="${HOME:-$(eval echo ~$USER)}"
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# Track if $ZSH was provided
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custom_zsh=${ZSH:+yes}
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# Default settings
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# Use $zdot to keep track of where the directory is for zsh dotfiles
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# To check if $ZDOTDIR was provided, explicitly check for $ZDOTDIR
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zdot="${ZDOTDIR:-$HOME}"
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# Default value for $ZSH
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# a) if $ZDOTDIR is supplied and not $HOME: $ZDOTDIR/ohmyzsh
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# b) otherwise, $HOME/.oh-my-zsh
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if [ -n "$ZDOTDIR" ] && [ "$ZDOTDIR" != "$HOME" ]; then
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ZSH="${ZSH:-$ZDOTDIR/ohmyzsh}"
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fi
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ZSH="${ZSH:-$HOME/.oh-my-zsh}"
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# Default settings
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REPO=${REPO:-ohmyzsh/ohmyzsh}
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REMOTE=${REMOTE:-https://github.com/${REPO}.git}
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BRANCH=${BRANCH:-master}
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@@ -63,6 +78,7 @@ BRANCH=${BRANCH:-master}
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CHSH=${CHSH:-yes}
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RUNZSH=${RUNZSH:-yes}
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KEEP_ZSHRC=${KEEP_ZSHRC:-no}
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OVERWRITE_CONFIRMATION=${OVERWRITE_CONFIRMATION:-yes}
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command_exists() {
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@@ -72,6 +88,10 @@ command_exists() {
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user_can_sudo() {
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# Check if sudo is installed
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command_exists sudo || return 1
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# Termux can't run sudo, so we can detect it and exit the function early.
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case "$PREFIX" in
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*com.termux*) return 1 ;;
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esac
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# The following command has 3 parts:
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#
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# 1. Run `sudo` with `-v`. Does the following:
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@@ -148,11 +168,16 @@ supports_hyperlinks() {
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# If $TERM_PROGRAM is set, these terminals support hyperlinks
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case "$TERM_PROGRAM" in
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Hyper|iTerm.app|terminology|WezTerm) return 0 ;;
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Hyper|iTerm.app|terminology|WezTerm|vscode) return 0 ;;
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esac
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# kitty supports hyperlinks
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if [ "$TERM" = xterm-kitty ]; then
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# These termcap entries support hyperlinks
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case "$TERM" in
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xterm-kitty|alacritty|alacritty-direct) return 0 ;;
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esac
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# xfce4-terminal supports hyperlinks
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if [ "$COLORTERM" = "xfce4-terminal" ]; then
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return 0
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fi
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@@ -311,13 +336,32 @@ setup_zshrc() {
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echo "${FMT_BLUE}Looking for an existing zsh config...${FMT_RESET}"
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# Must use this exact name so uninstall.sh can find it
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OLD_ZSHRC=~/.zshrc.pre-oh-my-zsh
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if [ -f ~/.zshrc ] || [ -h ~/.zshrc ]; then
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OLD_ZSHRC="$zdot/.zshrc.pre-oh-my-zsh"
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if [ -f "$zdot/.zshrc" ] || [ -h "$zdot/.zshrc" ]; then
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# Skip this if the user doesn't want to replace an existing .zshrc
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if [ "$KEEP_ZSHRC" = yes ]; then
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echo "${FMT_YELLOW}Found ~/.zshrc.${FMT_RESET} ${FMT_GREEN}Keeping...${FMT_RESET}"
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echo "${FMT_YELLOW}Found ${zdot}/.zshrc.${FMT_RESET} ${FMT_GREEN}Keeping...${FMT_RESET}"
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return
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fi
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if [ $OVERWRITE_CONFIRMATION != "no" ]; then
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# Ask user for confirmation before backing up and overwriting
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echo "${FMT_YELLOW}Found ${zdot}/.zshrc."
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echo "The existing .zshrc will be backed up to .zshrc.pre-oh-my-zsh if overwritten."
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echo "Make sure your .zshrc contains the following minimal configuration if you choose not to overwrite it:${FMT_RESET}"
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echo "----------------------------------------"
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cat "$ZSH/templates/minimal.zshrc"
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echo "----------------------------------------"
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printf '%sDo you want to overwrite it with the Oh My Zsh template? [Y/n]%s ' \
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"$FMT_YELLOW" "$FMT_RESET"
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read -r opt
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case $opt in
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[Yy]*|"") ;;
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[Nn]*) echo "Overwrite skipped. Existing .zshrc will be kept."; return ;;
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*) echo "Invalid choice. Overwrite skipped. Existing .zshrc will be kept."; return ;;
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esac
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fi
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if [ -e "$OLD_ZSHRC" ]; then
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OLD_OLD_ZSHRC="${OLD_ZSHRC}-$(date +%Y-%m-%d_%H-%M-%S)"
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if [ -e "$OLD_OLD_ZSHRC" ]; then
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@@ -327,19 +371,24 @@ setup_zshrc() {
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fi
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mv "$OLD_ZSHRC" "${OLD_OLD_ZSHRC}"
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echo "${FMT_YELLOW}Found old ~/.zshrc.pre-oh-my-zsh." \
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echo "${FMT_YELLOW}Found old .zshrc.pre-oh-my-zsh." \
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"${FMT_GREEN}Backing up to ${OLD_OLD_ZSHRC}${FMT_RESET}"
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fi
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echo "${FMT_YELLOW}Found ~/.zshrc.${FMT_RESET} ${FMT_GREEN}Backing up to ${OLD_ZSHRC}${FMT_RESET}"
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mv ~/.zshrc "$OLD_ZSHRC"
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echo "${FMT_GREEN}Backing up to ${OLD_ZSHRC}${FMT_RESET}"
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mv "$zdot/.zshrc" "$OLD_ZSHRC"
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fi
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echo "${FMT_GREEN}Using the Oh My Zsh template file and adding it to ~/.zshrc.${FMT_RESET}"
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echo "${FMT_GREEN}Using the Oh My Zsh template file and adding it to $zdot/.zshrc.${FMT_RESET}"
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# Replace $HOME path with '$HOME' in $ZSH variable in .zshrc file
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omz=$(echo "$ZSH" | sed "s|^$HOME/|\$HOME/|")
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sed "s|^export ZSH=.*$|export ZSH=\"${omz}\"|" "$ZSH/templates/zshrc.zsh-template" > ~/.zshrc-omztemp
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mv -f ~/.zshrc-omztemp ~/.zshrc
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# Modify $ZSH variable in .zshrc directory to use the literal $ZDOTDIR or $HOME
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omz="$ZSH"
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if [ -n "$ZDOTDIR" ] && [ "$ZDOTDIR" != "$HOME" ]; then
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omz=$(echo "$omz" | sed "s|^$ZDOTDIR/|\$ZDOTDIR/|")
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fi
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omz=$(echo "$omz" | sed "s|^$HOME/|\$HOME/|")
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sed "s|^export ZSH=.*$|export ZSH=\"${omz}\"|" "$ZSH/templates/zshrc.zsh-template" > "$zdot/.zshrc-omztemp"
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mv -f "$zdot/.zshrc-omztemp" "$zdot/.zshrc"
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echo
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}
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@@ -371,8 +420,8 @@ EOF
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"$FMT_YELLOW" "$FMT_RESET"
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read -r opt
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case $opt in
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y*|Y*|"") ;;
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n*|N*) echo "Shell change skipped."; return ;;
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[Yy]*|"") ;;
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[Nn]*) echo "Shell change skipped."; return ;;
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*) echo "Invalid choice. Shell change skipped."; return ;;
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esac
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@@ -407,9 +456,9 @@ EOF
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# We're going to change the default shell, so back up the current one
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if [ -n "$SHELL" ]; then
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echo "$SHELL" > ~/.shell.pre-oh-my-zsh
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echo "$SHELL" > "$zdot/.shell.pre-oh-my-zsh"
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else
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grep "^$USER:" /etc/passwd | awk -F: '{print $7}' > ~/.shell.pre-oh-my-zsh
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grep "^$USER:" /etc/passwd | awk -F: '{print $7}' > "$zdot/.shell.pre-oh-my-zsh"
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fi
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echo "Changing your shell to $zsh..."
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@@ -424,7 +473,8 @@ EOF
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# be prompted for the password either way, so this shouldn't cause any issues.
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#
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if user_can_sudo; then
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sudo -k chsh -s "$zsh" "$USER" # -k forces the password prompt
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sudo -k >/dev/null 2>&1 # -k forces the password prompt
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sudo chsh -s "$zsh" "$USER"
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else
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chsh -s "$zsh" "$USER" # run chsh normally
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fi
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@@ -451,12 +501,12 @@ print_success() {
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printf '\n'
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printf '\n'
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printf "%s %s %s\n" "Before you scream ${FMT_BOLD}${FMT_YELLOW}Oh My Zsh!${FMT_RESET} look over the" \
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"$(fmt_code "$(fmt_link ".zshrc" "file://$HOME/.zshrc" --text)")" \
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"$(fmt_code "$(fmt_link ".zshrc" "file://$zdot/.zshrc" --text)")" \
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"file to select plugins, themes, and options."
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printf '\n'
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printf '%s\n' "• Follow us on Twitter: $(fmt_link @ohmyzsh https://twitter.com/ohmyzsh)"
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printf '%s\n' "• Follow us on X: $(fmt_link @ohmyzsh https://x.com/ohmyzsh)"
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printf '%s\n' "• Join our Discord community: $(fmt_link "Discord server" https://discord.gg/ohmyzsh)"
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printf '%s\n' "• Get stickers, t-shirts, coffee mugs and more: $(fmt_link "Planet Argon Shop" https://shop.planetargon.com/collections/oh-my-zsh)"
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printf '%s\n' "• Get stickers, t-shirts, coffee mugs and more: $(fmt_link "CommitGoods Shop" https://commitgoods.com/collections/oh-my-zsh)"
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printf '%s\n' $FMT_RESET
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}
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@@ -465,12 +515,13 @@ main() {
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if [ ! -t 0 ]; then
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RUNZSH=no
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CHSH=no
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OVERWRITE_CONFIRMATION=no
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fi
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# Parse arguments
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while [ $# -gt 0 ]; do
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case $1 in
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--unattended) RUNZSH=no; CHSH=no ;;
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--unattended) RUNZSH=no; CHSH=no; OVERWRITE_CONFIRMATION=no ;;
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--skip-chsh) CHSH=no ;;
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--keep-zshrc) KEEP_ZSHRC=yes ;;
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esac
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@@ -506,6 +557,11 @@ EOF
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exit 1
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fi
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# Create ZDOTDIR folder structure if it doesn't exist
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if [ -n "$ZDOTDIR" ]; then
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mkdir -p "$ZDOTDIR"
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fi
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setup_ohmyzsh
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setup_zshrc
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setup_shell
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