feat(deps): Add little helper function to check for availability of commands

Signed-off-by: Steffen Vogel <[email protected]>

Author: stv0g

packaging/deps.sh

@@ -62,6 +62,12 @@ should_build() {
     return 0
 }
 
+has_command() {
+    command -v "$1" >/dev/null 2>&1
+
+    return $?
+}
+
 ## Build configuration
 
 # Use shallow git clones to speed up downloads
@@ -424,7 +430,7 @@ if ! pkg-config "nice >= 0.1.16" && \
     # Create sub-shell to constrain meson venv and ninja PATH to this build
     (
         # Install meson
-        if ! command -v meson; then
+        if ! has_command meson; then
             python3 -m venv venv
             . venv/bin/activate
             python3 -m pip install --upgrade pip setuptools
@@ -435,7 +441,7 @@ if ! pkg-config "nice >= 0.1.16" && \
         fi
 
         # Install ninja
-        if ! command -v ninja; then
+        if ! has_command ninja; then
             wget https://github.com/ninja-build/ninja/releases/download/v1.11.1/ninja-linux.zip
             unzip ninja-linux.zip
             export PATH=${PATH}:.
@@ -492,7 +498,7 @@ if ! find /usr/{local/,}{lib,bin} -name "libOpenDSSC.so" | grep -q . &&
     for i in ${SOURCE_DIR}/patches/*-opendssc-*.patch; do patch --strip=1 --binary < "$i"; done
     popd
     pushd OpenDSS-C/build
-    if command -v g++-14 2>&1 >/dev/null; then
+    if has_command g++-14; then
         # OpenDSS rev 4020 is not compatible with GCC 15
         OPENDSS_CMAKE_OPTS="-DCMAKE_C_COMPILER=gcc-14 -DCMAKE_CXX_COMPILER=g++-14"
     else