.bashrc

# Sourced when an interactive shell that is not a login shell is started
# On Linux, this occurs when a new Terminal is opened

# See `man shopt`
shopt -s checkhash checkwinsize cmdhist dirspell dotglob extglob globstar histappend no_empty_cmd_completion nocaseglob 2> /dev/null

# Source all user setting files
# Note: git-prompt.sh must come before svn-prompt.sh and prompt.sh
# Note: svn-prompt.sh must come before prompt.sh
# Note: exports.sh must come before aliases.sh
# Note: aliases.sh must come before functions.sh
for file in ~/.config/bash/git-{completion.bash,prompt.sh} ~/.config/bash/svn-prompt.sh ~/.config/bash/{exports,aliases,functions,prompt}.bash
do
    if [[ -f "$file" ]]
    then
        source "$file"
    fi
done

# Source spack setting file
# Note: .bash_exports must set SPACK_ROOT first
for file in "$SPACK_ROOT/share/spack/setup-env.sh"
do
    if [[ -f "$file" ]]
    then
        source "$file"
    fi
done

# All anyone in my group to share data and software
umask u=rwx,g=rwx

# Add tab completion for alias based on existing aliases
complete -o "nospace" -W "$(alias | cut -d ' ' -f 2 | cut -d '=' -f 1)" alias

# Add tab completion for SSH hostnames based on ~/.ssh/config, ignoring wildcards
[ -e "$HOME/.ssh/config" ] && complete -o "default" -o "nospace" -W "$(grep "^Host" ~/.ssh/config | grep -v "[?*]" | cut -d " " -f 2-)" ssh scp ftp lftp sftp

# Tab completion for cd should list directories only
complete -d cd c

# Tab completion for extract in .bash_functions should only list files with
# extensions denoting that they are compressed. This requires Extended Globs.
complete -f -X '!*.@(gz|bz2|xz|tgz|tbz|tbz2|txz|tar|zip|whl|rar|lzma|Z|7z|exe)' extract

# Tab completion for qsub should only list .pbs files
complete -f -X '!*.pbs' qsub

# macOS Sierra does not automatically load ssh keys stored in the keychain
kernel=$(uname)
case "$kernel" in
    'Darwin') # macOS
        ssh-add -A &> /dev/null;;
esac