Add possibility to pass argument values (#110)

If `navi best github` prompts for `user`, then `navi best github foo` will consider `foo` as `user`.

navi

@@ -11,14 +11,15 @@ source "${SCRIPT_DIR}/src/main.sh"
 ##?    navi [command] [<args>...] [options]
 ##?
 ##? Commands:
-##?    search <cmd>         Search for cheatsheets on online repositories
-##?    query  <cmd>         Pre-filter results
+##?    search <cmd>             Search for cheatsheets on online repositories
+##?    query  <cmd>             Pre-filter results
+##?    best   <cmd> <args>...   Considers the best match
 ##?
 ##? Options:
-##?    --print              Prevent script execution
-##?    --path               List of paths to look for cheats
-##?    --no-interpolation   Prevent argument interpolation
-##?    --no-preview         Hide command preview window
+##?    --print                  Prevent script execution
+##?    --path                   List of paths to look for cheats
+##?    --no-interpolation       Prevent argument interpolation
+##?    --no-preview             Hide command preview window
 ##?
 ##? Examples:
 ##?    navi
@@ -26,6 +27,7 @@ source "${SCRIPT_DIR}/src/main.sh"
 ##?    navi search awk
 ##?    navi search docker --print
 ##?    navi query git
+##?    navi best 'sql create db' root mydb
 ##?
 ##? More info:
 ##?    search

src/coll.sh

@@ -38,8 +38,16 @@ coll::remove() {
    done
 }
 
+coll::_without_empty_line() {
+   local -r input="$(cat)"
+   local -r words="$(echo "$input" | wc -w | xargs)"
+   if [[ $words > 0 ]]; then
+      echo "$input"
+   fi
+}
+
 coll::add() {
-   cat
+   cat | coll::_without_empty_line
    for x in "$@"; do
       echo "$x"
    done
@@ -53,6 +61,12 @@ coll::set() {
    sort -u
 }
 
+coll::get() {
+   local n="$1"
+   n=$((n+1))
+   sed "${n}q;d"
+}
+
 # TODO: implement tailrec
 coll::reduce() {
    local -r fn="$1"

src/main.sh

@@ -32,6 +32,9 @@ handler::main() {
    local cmd="$(selection::cmd "$selection" "$cheat")"
    local arg value
 
+   local -r args="$(dict::get "$OPTIONS" args)"
+
+   local i=0
    while $interpolation; do
       arg="$(echo "$cmd" | arg::next || echo "")"
       if [ -z "$arg" ]; then
@@ -45,7 +48,9 @@ handler::main() {
 
       cmd="$(echo "$cmd" | sed "s|<${arg}>|<${escaped_arg}>|g")"
       arg="$escaped_arg"
-      value="$(arg::pick "$arg" "$cheat" || echo "")"
+
+      value="$(echo "$args" | coll::get $i)"
+      [ -z "$value" ] && value="$(arg::pick "$arg" "$cheat")"
 
       if [ -z "$value" ]; then
          echoerr "Unable to fetch suggestions for '$arg'!"
@@ -54,6 +59,8 @@ handler::main() {
 
       eval "local $arg"='$value'
       cmd="$(echo "$cmd" | arg::interpolate "$arg" "$value")"
+
+      i=$((i+1))
    done
 
    local -r unresolved_arg="$(echo "$cmd" | arg::next || echo "")"

src/opts.sh

@@ -16,6 +16,7 @@ opts::eval() {
    local autoselect=true
    local best=false
    local query=""
+   local args=""
 
    case "${1:-}" in
       --version|version) entry_point="version"; shift ;;
@@ -30,15 +31,13 @@ opts::eval() {
       widget) entry_point="widget"; shift; wait_for="widget" ;;
    esac
 
-   i=0
-
    for arg in "$@"; do
       case $wait_for in
-         path) path="$arg"; wait_for="" ;;
-         preview) query="$(arg::deserialize "$arg")"; wait_for="" ;;
-         search) query="$arg"; wait_for=""; path="${path}:$(search::full_path "$query")"; ;;
-         query|best) query="$arg"; wait_for="" ;;
-         widget) SH="$arg"; wait_for="" ;;
+         path) path="$arg"; wait_for=""; continue ;;
+         preview) query="$(arg::deserialize "$arg")"; wait_for=""; continue ;;
+         search) query="$arg"; wait_for=""; path="${path}:$(search::full_path "$query")"; continue ;;
+         query|best) query="$arg"; wait_for=""; continue ;;
+         widget) SH="$arg"; wait_for=""; continue ;;
       esac
 
       case $arg in
@@ -47,9 +46,8 @@ opts::eval() {
          --no-preview) preview=false ;;
          --path|--dir) wait_for="path" ;;
          --no-autoselect) autoselect=false ;;
+         *) args="$(echo "$args" | coll::add "$arg")" ;;
       esac
-
-      i=$((i+1))
    done
 
    OPTIONS="$(dict::new \
@@ -59,7 +57,8 @@ opts::eval() {
       preview "$preview" \
       autoselect "$autoselect" \
       query "$query" \
-      best "$best")"
+      best "$best" \
+      args "$args")"
 
    export NAVI_PATH="$path"
 }

src/str.sh

@@ -45,3 +45,13 @@ str::reverse_lines() {
       awk '{a[i++]=$0} END {for (j=i-1; j>=0;) print a[j--] }'
    fi
 }
+
+str::not_empty() {
+   local -r input="$(cat)"
+
+   if [ -n $input ]; then
+      echo "$input"
+   else
+      return 1
+   fi
+}