fix: enable install with and without git

install.sh

@@ -2,10 +2,24 @@
 # shellcheck disable=SC2155
 # shellcheck disable=SC2164
 
+function is_git_installed() {
+   command -v git > /dev/null 2>&1
+}
+
+function get_latest_tag() {
+  local repository_url=$1
+
+  git ls-remote --tags "$repository_url" |
+    awk '{print $2}' |
+    sed 's|^refs/tags/||' |
+    sort -Vr |
+    head -n 1
+}
+
 function build_and_install_beta() {
   echo "> Downloading non-stable version: 'beta'"
 
-  if ! command -v git >/dev/null 2>&1; then
+  if ! is_git_installed; then
     echo "Error: git is not installed." >&2
     exit 1
   fi
@@ -20,8 +34,7 @@ function build_and_install_beta() {
   local beta_version=$(printf "(non-stable) beta after %s [%s] 🐍 #%s" \
     "$LATEST_BASHUNIT_VERSION" \
     "$(date +'%Y-%m-%d')" \
-    "$latest_commit"
-  )
+    "$latest_commit")
 
   sed -i -e 's/BASHUNIT_VERSION=".*"/BASHUNIT_VERSION="'"$beta_version"'"/g' temp_bashunit/bin/bashunit
   cp temp_bashunit/bin/bashunit ./
@@ -53,8 +66,12 @@ function install() {
 DIR=${1-lib}
 VERSION=${2-latest}
 
-LATEST_BASHUNIT_VERSION="0.17.0"
 BASHUNIT_GIT_REPO="https://github.com/TypedDevs/bashunit"
+if is_git_installed; then
+    LATEST_BASHUNIT_VERSION="$(get_latest_tag "$BASHUNIT_GIT_REPO")"
+else
+    LATEST_BASHUNIT_VERSION="0.17.0"
+fi
 TAG="$LATEST_BASHUNIT_VERSION"
 
 cd "$(dirname "$0")"

tests/acceptance/install_test.sh

@@ -5,6 +5,11 @@ function set_up_before_script() {
   TEST_ENV_FILE="./tests/acceptance/fixtures/.env.default"
 }
 
+function set_up() {
+  rm -f ./lib/bashunit
+  rm -f ./deps/bashunit
+}
+
 function tear_down() {
   rm -f ./lib/bashunit
   rm -f ./deps/bashunit
@@ -19,6 +24,7 @@ function test_install_downloads_the_latest_version() {
   assert_string_starts_with "$(printf "> Downloading the latest version: '")" "$output"
   assert_string_ends_with "$(printf "\n> bashunit has been installed in the 'lib' folder")" "$output"
   assert_file_exists "$installed_bashunit"
+
   assert_string_starts_with\
     "$(printf "\e[1m\e[32mbashunit\e[0m - ")"\
     "$("$installed_bashunit" --env "$TEST_ENV_FILE" --version)"
@@ -33,6 +39,7 @@ function test_install_downloads_in_given_folder() {
   assert_string_starts_with "$(printf "> Downloading the latest version: '")" "$output"
   assert_string_ends_with "$(printf "\n> bashunit has been installed in the 'deps' folder")" "$output"
   assert_file_exists "$installed_bashunit"
+
   assert_string_starts_with\
     "$(printf "\e[1m\e[32mbashunit\e[0m - ")"\
     "$("$installed_bashunit" --env "$TEST_ENV_FILE" --version)"
@@ -47,6 +54,7 @@ function test_install_downloads_the_given_version() {
   assert_same\
     "$(printf "> Downloading a concrete version: '0.9.0'\n> bashunit has been installed in the 'lib' folder")"\
     "$output"
+
   assert_file_exists "$installed_bashunit"
 
   assert_same\
@@ -65,11 +73,15 @@ function test_install_downloads_the_non_stable_beta_version() {
   assert_contains\
     "$(printf "> Downloading non-stable version: 'beta'\n> bashunit has been installed in the 'deps' folder")"\
     "$output"
+
   assert_file_exists "$installed_bashunit"
+
   assert_matches\
     "$(printf "\(non-stable\) beta after ([0-9]+\.[0-9]+\.[0-9]+) \[2023-11-13\] 🐍 \#[a-fA-F0-9]{7}")"\
     "$("$installed_bashunit" --env "$TEST_ENV_FILE" --version)"
+
   assert_directory_not_exists "./deps/temp_bashunit"
+
   file_count_of_deps_directory=$(find ./deps -mindepth 1 -maxdepth 1 -print | wc -l | tr -d ' ')
   assert_same "$file_count_of_deps_directory" "1"
   assert_same "$(find ./deps -name 'bashunit')" "./deps/bashunit"