From 4a44ec82658efd9f31247ad2c4703fa7d3641d74 Mon Sep 17 00:00:00 2001
From: Ben Foster <bpfoster@gmail.com>
Date: Wed, 29 Oct 2025 13:43:59 -0400
Subject: [PATCH] fix: install python3 if it is not present

resolves to-be-continuous/docker#158

Signed-off-by: Ben Foster <bpfoster@gmail.com>
---
 templates/gitlab-ci-docker.yml | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/templates/gitlab-ci-docker.yml b/templates/gitlab-ci-docker.yml
index 18e6faa..aa5ec3f 100644
--- a/templates/gitlab-ci-docker.yml
+++ b/templates/gitlab-ci-docker.yml
@@ -445,6 +445,29 @@ stages:
     fi
   }
 
+  function maybe_install_python3() {
+    if ! command -v python3 > /dev/null
+    then
+      if command -v apt-get > /dev/null
+      then
+        # Debian
+        apt-get update
+        apt-get install --no-install-recommends --yes --quiet python3
+      elif command -v apk > /dev/null
+      then
+        # Alpine
+        apk add --no-cache python3
+      elif command -v dnf > /dev/null
+      then 
+        # Fedora
+        dnf install -y -q python3
+      else
+        log_error "... didn't find any supported package manager to install python3"
+        exit 1
+      fi
+    fi
+  }
+
   function github_get_latest_version() {
     if command -v curl &> /dev/null
     then
@@ -837,6 +860,7 @@ stages:
   function init_workspace() {
     install_custom_ca_certs
     maybe_install_awk
+    maybe_install_python3
     unscope_variables
     eval_all_secrets
     configure_registries_auth
-- 
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