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installer: use default color sequences on missing tput

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Supposed to be POSIX-compatible. Proved to work in dash, yash and whatever
alpine uses. See https://unix.stackexchange.com/a/371873
This commit is contained in:
Marc Cornellà 2019-05-24 19:58:09 +02:00
parent 220d69b2ce
commit 153f5e11ed
1 changed files with 17 additions and 17 deletions
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34
tools/install.sh
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@ -27,7 +27,7 @@ command_exists() {
}
error() {
echo "Error: $@" >&2
echo ${RED}"Error: $@"${RESET} >&2
}
# Set up color sequences
@ -45,14 +45,14 @@ setup_color() {
YELLOW="$(tput setaf 3)"
BLUE="$(tput setaf 4)"
BOLD="$(tput bold)"
NORMAL="$(tput sgr0)"
RESET="$(tput sgr0)"
else
RED=""
GREEN=""
YELLOW=""
BLUE=""
BOLD=""
NORMAL=""
RED=$(printf '\033[31m')
GREEN=$(printf '\033[32m')
YELLOW=$(printf '\033[33m')
BLUE=$(printf '\033[34m')
BOLD=$(printf '\033[1m')
RESET=$(printf '\033[m')
fi
}
@ -64,7 +64,7 @@ setup_ohmyzsh() {
# precedence over umasks except for filesystems mounted with option "noacl".
umask g-w,o-w
echo "${BLUE}Cloning Oh My Zsh...${NORMAL}"
echo "${BLUE}Cloning Oh My Zsh...${RESET}"
command_exists git || {
error "git is not installed"
@ -84,13 +84,13 @@ setup_ohmyzsh() {
}
setup_zshrc() {
echo "${BLUE}Looking for an existing zsh config...${NORMAL}"
echo "${BLUE}Looking for an existing zsh config...${RESET}"
if [ -f ~/.zshrc ] || [ -h ~/.zshrc ]; then
echo "${YELLOW}Found ~/.zshrc.${GREEN} Backing up to ~/.zshrc.pre-oh-my-zsh.${NORMAL}"
echo "${YELLOW}Found ~/.zshrc.${GREEN} Backing up to ~/.zshrc.pre-oh-my-zsh.${RESET}"
mv ~/.zshrc ~/.zshrc.pre-oh-my-zsh
fi
echo "${BLUE}Using the Oh My Zsh template file and adding it to ~/.zshrc.${NORMAL}"
echo "${BLUE}Using the Oh My Zsh template file and adding it to ~/.zshrc.${RESET}"
cp "$ZSH/templates/zshrc.zsh-template" ~/.zshrc
sed "/^export ZSH=/ c\\
@ -109,12 +109,12 @@ setup_shell() {
if ! command_exists chsh; then
cat <<-EOF
I can't change your shell automatically because this system does not have chsh.
${BLUE}Please manually change your default shell to zsh${NORMAL}
${BLUE}Please manually change your default shell to zsh${RESET}
EOF
return
fi
echo "${BLUE}Time to change your default shell to zsh!${NORMAL}"
echo "${BLUE}Time to change your default shell to zsh!${RESET}"
# Test for the right location of the "shells" file
if [ -f /etc/shells ]; then
@ -146,13 +146,13 @@ main() {
setup_color
if ! command_exists zsh; then
echo "${YELLOW}Zsh is not installed.${NORMAL} Please install zsh first."
echo "${YELLOW}Zsh is not installed.${RESET} Please install zsh first."
exit 1
fi
if [ -d "$ZSH" ]; then
cat <<-EOF
${YELLOW}You already have Oh My Zsh installed.${NORMAL}
${YELLOW}You already have Oh My Zsh installed.${RESET}
You'll need to remove '$ZSH' if you want to reinstall.
EOF
exit 1
@ -179,7 +179,7 @@ main() {
p.p.s. Get stickers, shirts, and coffee mugs at https://shop.planetargon.com/collections/oh-my-zsh
EOF
printf "$NORMAL"
printf "$RESET"
exec zsh -l
}