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installer: use terminfo for portable escape sequences

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Do not use terminal visual effects if not connected to a terminal.
This commit is contained in:
Andrew Janke
2015-07-06 20:18:32 -04:00
parent 19ea867a3a
commit 8cf610089d
2 changed files with 59 additions and 23 deletions
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39
tools/install.sh
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@@ -1,45 +1,60 @@
set -e
BLUE="\033[0;34m"
GREEN="\033[0;32m"
YELLOW="\033[0;33m"
NOCOLOR="\033[0m"
# Use colors, but only if connected to a terminal, and that terminal
# supports them.
ncolors=$(tput colors)
if [ -t 1 ] && [ -n "$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="$(tput sgr0)"
else
RED=""
GREEN=""
YELLOW=""
BLUE=""
BOLD=""
NORMAL=""
fi
if [ ! -n "$ZSH" ]; then
ZSH=~/.oh-my-zsh
fi
if [ -d "$ZSH" ]; then
printf "${YELLOW}You already have Oh My Zsh installed.${NOCOLOR} You'll need to remove $ZSH if you want to install\n"
printf "${YELLOW}You already have Oh My Zsh installed.${NORMAL}\n"
printf "You'll need to remove $ZSH if you want to re-install.\n"
exit
fi
printf "${BLUE}Cloning Oh My Zsh...${NOCOLOR}\n"
printf "${BLUE}Cloning Oh My Zsh...${NORMAL}\n"
hash git >/dev/null 2>&1 && env git clone --depth=1 https://github.com/robbyrussell/oh-my-zsh.git $ZSH || {
printf "git not installed\n"
exit
}
printf "${BLUE}Looking for an existing zsh config...${NOCOLOR}\n"
printf "${BLUE}Looking for an existing zsh config...${NORMAL}\n"
if [ -f ~/.zshrc ] || [ -h ~/.zshrc ]; then
printf "${YELLOW}Found ~/.zshrc.${NOCOLOR} ${GREEN}Backing up to ~/.zshrc.pre-oh-my-zsh${NOCOLOR}\n";
printf "${YELLOW}Found ~/.zshrc.${NORMAL} ${GREEN}Backing up to ~/.zshrc.pre-oh-my-zsh${NORMAL}\n";
mv ~/.zshrc ~/.zshrc.pre-oh-my-zsh;
fi
printf "${BLUE}Using the Oh My Zsh template file and adding it to ~/.zshrc${NOCOLOR}\n"
printf "${BLUE}Using the Oh My Zsh template file and adding it to ~/.zshrc${NORMAL}\n"
cp $ZSH/templates/zshrc.zsh-template ~/.zshrc
sed -i -e "/^export ZSH=/ c\\
export ZSH=$ZSH
" ~/.zshrc
printf "${BLUE}Copying your current PATH and adding it to the end of ~/.zshrc for you.${NOCOLOR}\n"
printf "${BLUE}Copying your current PATH and adding it to the end of ~/.zshrc for you.${NORMAL}\n"
sed -i -e "/export PATH=/ c\\
export PATH=\"$PATH\"
" ~/.zshrc
TEST_CURRENT_SHELL=$(expr "$SHELL" : '.*/\(.*\)')
if [ "$TEST_CURRENT_SHELL" != "zsh" ]; then
printf "${BLUE}Time to change your default shell to zsh!${NOCOLOR}\n"
printf "${BLUE}Time to change your default shell to zsh!${NORMAL}\n"
chsh -s $(grep /zsh$ /etc/shells | tail -1)
fi
unset TEST_CURRENT_SHELL
@@ -59,5 +74,5 @@ echo 'p.s. Follow us at http://twitter.com/ohmyzsh.'
echo ''
echo 'p.p.s. Get stickers and t-shirts at http://shop.planetargon.com.'
echo ''
printf "${NOCOLOR}"
printf "${NORMAL}"
env zsh