tabs and tab overview

generate-version.sh

@@ -0,0 +1,60 @@
+#!/bin/sh
+
+set -e
+
+if [ ${#} -ne 3 ]; then
+    echo "Usage: ${0} <default_version> <src_dir> <out_file>"
+    exit 1
+fi
+
+default_version=${1}
+src_dir=${2}
+out_file=${3}
+
+# echo "default version:  ${default_version}"
+# echo "source directory: ${src_dir}"
+# echo "output file:      ${out_file}"
+
+if [ -d "${src_dir}/.git" ] && command -v git > /dev/null; then
+    workdir=$(pwd)
+    cd "${src_dir}"
+
+    if git describe --tags  > /dev/null 2>&1; then
+        git_version=$(git describe --always --tags)
+    else
+        # No tags available, happens in e.g. CI builds
+        git_version="${default_version}"
+    fi
+
+    git_branch=$(git rev-parse --abbrev-ref HEAD)
+    cd "${workdir}"
+
+    new_version="${git_version} ($(date "+%b %d %Y"), branch '${git_branch}')"
+else
+    new_version="${default_version}"
+    extra=""
+fi
+
+major=$(echo "${new_version}" | sed -r 's/([0-9]+)\.([0-9]+)\.([0-9]+).*/\1/')
+minor=$(echo "${new_version}" | sed -r 's/([0-9]+)\.([0-9]+)\.([0-9]+).*/\2/')
+patch=$(echo "${new_version}" | sed -r 's/([0-9]+)\.([0-9]+)\.([0-9]+).*/\3/')
+extra=$(echo "${new_version}" | sed -r 's/([0-9]+)\.([0-9]+)\.([0-9]+)(-([0-9]+-g[a-z0-9]+) .*)?.*/\5/')
+
+new_version="#define FOOT_VERSION \"${new_version}\"
+#define FOOT_MAJOR ${major}
+#define FOOT_MINOR ${minor}
+#define FOOT_PATCH ${patch}
+#define FOOT_EXTRA \"${extra}\""
+
+if [ -f "${out_file}" ]; then
+    old_version=$(cat "${out_file}")
+else
+    old_version=""
+fi
+
+# echo "old version: ${old_version}"
+# echo "new version: ${new_version}"
+
+if [ "${old_version}" != "${new_version}" ]; then
+    echo "${new_version}" > "${out_file}"
+fi