feat(completions): Add shell completions files (#128)

* Add shell completions and output files to `assets/completions`

* Rename files and struct name

* Update tests to take into account new changes

3 files changed, 122 insertions, 0 deletions

diff --git a/assets/completions/_mosaic b/assets/completions/_mosaic
new file mode 100644
index 000000000..9587c2bf8
--- /dev/null
+++ b/assets/completions/_mosaic
@@ -0,0 +1,45 @@
+#compdef mosaic
+
+autoload -U is-at-least
+
+_mosaic() {
+    typeset -A opt_args
+    typeset -a _arguments_options
+    local ret=1
+
+    if is-at-least 5.2; then
+        _arguments_options=(-s -S -C)
+    else
+        _arguments_options=(-s -C)
+    fi
+
+    local context curcontext="$curcontext" state line
+    _arguments "${_arguments_options[@]}" \
+'-s+[Send "split (direction h == horizontal / v == vertical)" to active mosaic session]' \
+'--split=[Send "split (direction h == horizontal / v == vertical)" to active mosaic session]' \
+'-o+[Send "open file in new pane" to active mosaic session]' \
+'--open-file=[Send "open file in new pane" to active mosaic session]' \
+'--max-panes=[Maximum panes on screen, caution: opening more panes will close old ones]' \
+'-l+[Path to a layout yaml file]' \
+'--layout=[Path to a layout yaml file]' \
+'-m[Send "move focused pane" to active mosaic session]' \
+'--move-focus[Send "move focused pane" to active mosaic session]' \
+'-d[]' \
+'--debug[]' \
+'-h[Prints help information]' \
+'--help[Prints help information]' \
+'-V[Prints version information]' \
+'--version[Prints version information]' \
+&& ret=0
+    
+}
+
+(( $+functions[_mosaic_commands] )) ||
+_mosaic_commands() {
+    local commands; commands=(
+        
+    )
+    _describe -t commands 'mosaic commands' commands "$@"
+}
+
+_mosaic "$@"
\ No newline at end of file
diff --git a/assets/completions/mosaic.bash b/assets/completions/mosaic.bash
new file mode 100644
index 000000000..7b6219c0b
--- /dev/null
+++ b/assets/completions/mosaic.bash
@@ -0,0 +1,69 @@
+_mosaic() {
+    local i cur prev opts cmds
+    COMPREPLY=()
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    prev="${COMP_WORDS[COMP_CWORD-1]}"
+    cmd=""
+    opts=""
+
+    for i in ${COMP_WORDS[@]}
+    do
+        case "${i}" in
+            mosaic)
+                cmd="mosaic"
+                ;;
+            
+            *)
+                ;;
+        esac
+    done
+
+    case "${cmd}" in
+        mosaic)
+            opts=" -m -d -h -V -s -o -l  --move-focus --debug --help --version --split --open-file --max-panes --layout  "
+            if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] ; then
+                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
+                return 0
+            fi
+            case "${prev}" in
+                
+                --split)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                    -s)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                --open-file)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                    -o)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                --max-panes)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                --layout)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                    -l)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                *)
+                    COMPREPLY=()
+                    ;;
+            esac
+            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
+            return 0
+            ;;
+        
+    esac
+}
+
+complete -F _mosaic -o bashdefault -o default mosaic
diff --git a/assets/completions/mosaic.fish b/assets/completions/mosaic.fish
new file mode 100644
index 000000000..925d6432e
--- /dev/null
+++ b/assets/completions/mosaic.fish
@@ -0,0 +1,8 @@
+complete -c mosaic -n "__fish_use_subcommand" -s s -l split -d 'Send "split (direction h == horizontal / v == vertical)" to active mosaic session'
+complete -c mosaic -n "__fish_use_subcommand" -s o -l open-file -d 'Send "open file in new pane" to active mosaic session'
+complete -c mosaic -n "__fish_use_subcommand" -l max-panes -d 'Maximum panes on screen, caution: opening more panes will close old ones'
+complete -c mosaic -n "__fish_use_subcommand" -s l -l layout -d 'Path to a layout yaml file'
+complete -c mosaic -n "__fish_use_subcommand" -s m -l move-focus -d 'Send "move focused pane" to active mosaic session'
+complete -c mosaic -n "__fish_use_subcommand" -s d -l debug
+complete -c mosaic -n "__fish_use_subcommand" -s h -l help -d 'Prints help information'
+complete -c mosaic -n "__fish_use_subcommand" -s V -l version -d 'Prints version information'