Initial version of the shells' dotfiles

- add config files for both bash and zsh
- as some utilities regard git to be present, git's config files
  are included as well

.config/shell/aliases.sh

@@ -0,0 +1,135 @@
+# Shell aliases used for both bash and zsh
+
+
+# Check if a command can be found on the $PATH.
+command_exists() {
+    command -v "$1" 1>/dev/null 2>&1
+}
+
+# Check if we are running from within a zsh instance.
+in_zsh() {
+    [ -n "$ZSH_VERSION" ]
+}
+
+
+# Re-run last command with sudo privileges
+if in_zsh; then
+    alias ,,='sudo $(fc -ln -1)'
+else
+    alias ,,='sudo $(history -p !!)'
+fi
+
+
+# Global aliases
+if in_zsh; then
+    alias -g F='| fzf'
+    alias -g G='| grep'
+    alias -g H='| head'
+    alias -g L='| less'
+    alias -g T='| tail'
+    alias -g NE='2 > /dev/null'
+    alias -g NUL='> /dev/null 2>&1'
+fi
+
+
+alias cls='clear'
+alias help='man'
+
+
+# Avoid bad mistakes and show what happens
+alias cp="cp --interactive --verbose"
+alias ln='ln --interactive --verbose'
+alias mv='mv --interactive --verbose'
+alias rm='rm -I --preserve-root --verbose'
+
+
+# Make working with files more convenient
+
+alias cd..='cd ..'
+alias ..='cd ..'
+alias ...='cd ../..'
+alias ....='cd ../../..'
+alias .....='cd ../../../..'
+
+alias mkdir='mkdir -p'
+alias md='mkdir'
+alias rmdir='rmdir --parents --verbose'
+alias rd='rmdir'
+
+alias grep='grep --color=auto --exclude-dir={.cache,\*.egg-info,.git,.nox,.tox,.venv}'
+alias egrep='egrep --color=auto --exclude-dir={.cache,\*.egg-info,.git,.nox,.tox,.venv}'
+alias fgrep='fgrep --color=auto --exclude-dir={.cache,*.egg-info,.git,.nox,.tox,.venv}'
+
+alias fdir='find . -type d -name'
+alias ffile='find . -type f -name'
+
+alias ls='ls --classify --color=auto --group-directories-first --human-readable --no-group --time-style=long-iso'
+alias la='ls --almost-all'
+alias lal='la -l'
+alias ll='ls -l'
+alias l.='ls --directory .*'
+alias ll.='l. -l'
+
+alias df='df --human-readable'
+alias du='du --human-readable'
+alias diff='diff --color=auto --unified'
+command_exists colordiff && alias diff='colordiff --unified'
+alias free='free --human --total'
+alias less='less --chop-long-lines --ignore-case --LONG-PROMPT --no-init --status-column --quit-if-one-screen'
+alias more='less'
+alias tree='tree -C --dirsfirst'
+
+
+# Aliases for various utilities
+alias datetime='date +"%Y-%m-%d %H:%M:%S %z (%Z)"'
+alias datetime-iso='date --iso-8601=seconds'
+alias external-ip="curl https://icanhazip.com"
+alias external-ip-alt="curl https://ipinfo.io/ip\?token=cfd78a97e15ebf && echo"
+alias external-ip-extended-infos="curl https://ipinfo.io/json\?token=cfd78a97e15ebf && echo"
+alias speedtest="curl -s https://raw.githubusercontent.com/sivel/speedtest-cli/22210ca35228f0bbcef75a7c14587c4ecb875ab4/speedtest.py | python -"
+
+
+# Fix common typos
+command_exists ifconfig && alias ipconfig='ifconfig'
+command_exists R && alias r='R'
+
+
+# Use sane defaults
+command_exists exa && alias exa='exa --group-directories-first --git --time-style=long-iso'
+command_exists netstat && alias ports='netstat -tulanp'
+command_exists screenfetch && alias screenfetch='screenfetch -n'
+alias uptime='uptime --pretty'
+alias wget='wget --continue'
+
+
+# Create short aliases
+command_exists batcat && alias bat='batcat'
+command_exists fdfind && alias fd='fdfind'
+command_exists ranger && alias rn='ranger'
+command_exists screenfetch && alias sf='screenfetch'
+
+
+# Integrate git
+if command_exists git; then
+    alias g='git'
+
+    # All git aliases are shell aliases with a 'g' prefix.
+    for al in $(git internal-aliases); do
+        # Only "real" (i.e., short) aliases are created.
+        [ ${#al} -lt 7 ] && eval "alias g$al='git $al'"
+    done
+
+    # Check if a 'main' branch exists in place of a 'master' branch.
+    git_main_branch() {
+        if [[ -n "$(git branch --list main)" ]]; then
+           echo 'main'
+        else
+           echo 'master'
+        fi
+    }
+fi
+
+
+# (Un-)Encrypt vaults
+alias open-documents-vault='gocryptfs -q -extpass "pass getraenkemarkt/vaults/documents" $HOME/nextcloud/vault/ $HOME/.vault/documents'
+alias close-documents-vault='fusermount -q -u $HOME/.vault/documents'