Move the Bash code for running Vader tests to its own file

test/script/run-vader-tests

@@ -0,0 +1,120 @@
+#!/bin/bash -eu
+
+image=w0rp/ale
+docker_flags=(--rm -v "$PWD:/testplugin" -v "$PWD/test:/home" -w /testplugin "$image")
+red='\033[0;31m'
+green='\033[0;32m'
+nc='\033[0m'
+verbose=0
+quiet=0
+
+while [ $# -ne 0 ]; do
+    case $1 in
+    -v)
+        verbose=1
+        shift
+    ;;
+    -q)
+        quiet=1
+        shift
+    ;;
+    --)
+        shift
+        break
+    ;;
+    -?*)
+        echo "Invalid argument: $1" 1>&2
+        exit 1
+    ;;
+    *)
+        break
+    ;;
+    esac
+done
+
+vim="$1"
+tests="$2"
+
+function filter-vader-output() {
+    # When verbose mode is off, suppress output until Vader starts.
+    local start_output="$verbose"
+    local filtered_data=''
+
+    while read -r; do
+        if ((!start_output)); then
+            if [[ "$REPLY" = *'Starting Vader:'* ]]; then
+                start_output=1
+            else
+                continue
+            fi
+        fi
+
+        if ((quiet)); then
+            if [[ "$REPLY" = *'Starting Vader:'* ]]; then
+                filtered_data="$REPLY"
+            elif [[ "$REPLY" = *'Success/Total'* ]]; then
+                success="$(echo -n "$REPLY" | grep -o '[0-9]\+/' | head -n1 | cut -d/ -f1)"
+                total="$(echo -n "$REPLY" | grep -o '/[0-9]\+' | head -n1 | cut -d/ -f2)"
+
+                if [ "$success" -lt "$total" ]; then
+                    echo "$filtered_data"
+                    echo "$REPLY"
+                fi
+
+                filtered_data=''
+            else
+                filtered_data="$filtered_data"$'\n'"$REPLY"
+            fi
+        else
+            echo "$REPLY"
+        fi
+    done
+}
+
+function color-vader-output() {
+    while read -r; do
+        if [[ "$REPLY" = *'[EXECUTE] (X)'* ]]; then
+            echo -en "$red"
+        elif [[ "$REPLY" = *'[EXECUTE]'* ]] || [[ "$REPLY" = *'[  GIVEN]'* ]]; then
+            echo -en "$nc"
+        fi
+
+        if [[ "$REPLY" = *'Success/Total'* ]]; then
+            success="$(echo -n "$REPLY" | grep -o '[0-9]\+/' | head -n1 | cut -d/ -f1)"
+            total="$(echo -n "$REPLY" | grep -o '/[0-9]\+' | head -n1 | cut -d/ -f2)"
+
+            if [ "$success" -lt "$total" ]; then
+                echo -en "$red"
+            else
+                echo -en "$green"
+            fi
+
+            echo "$REPLY"
+            echo -en "$nc"
+        else
+            echo "$REPLY"
+        fi
+    done
+
+    echo -en "$nc"
+}
+
+echo
+echo '========================================'
+echo "Running tests for $vim"
+echo '========================================'
+echo
+
+if [[ $vim =~ ^neovim ]]; then
+    set -o pipefail
+    docker run -it -e VADER_OUTPUT_FILE=/dev/stderr "${docker_flags[@]}" \
+        "/vim-build/bin/$vim" -u test/vimrc \
+        --headless "+Vader! $tests" | filter-vader-output | color-vader-output
+    set +o pipefail
+else
+    set -o pipefail
+    docker run -a stderr -e VADER_OUTPUT_FILE=/dev/stderr "${docker_flags[@]}" \
+        "/vim-build/bin/$vim" -u test/vimrc \
+        "+Vader! $tests" 2>&1 | filter-vader-output | color-vader-output
+    set +o pipefail
+fi