Install fish without root access

fish_shell_local_install.sh

#!/bin/bash
 
# Script for installing Fish Shell on systems without root access.
# Fish Shell will be installed in $HOME/bin/apps/fish.
# It's assumed that wget and a C/C++ compiler are installed.
 
# exit on error
set -e

FISH_SHELL_VERSION=3.0.2
 
# create our directories
mkdir -pv $HOME/bin/apps/fish $HOME/fish_shell_tmp
cd $HOME/fish_shell_tmp
 
# download source files for Fish Shell
wget https://github.com/fish-shell/fish-shell/releases/download/${FISH_SHELL_VERSION}/fish-${FISH_SHELL_VERSION}.tar.gz
 
# extract files, configure, and compile
tar xvzf fish-${FISH_SHELL_VERSION}.tar.gz
cd fish-${FISH_SHELL_VERSION}
./configure --prefix=$HOME/bin/apps/fish --disable-shared
make
make install

# add command to user's bin
touch $HOME/bin/fish
echo -e "#!/bin/sh\n~/bin/apps/fish/bin/fish" > $HOME/bin/fish
chmod +x $HOME/bin/fish

# remove temporary directories
rm -rf $HOME/fish_shell_tmp