using default values. get_repo, get_timestamp, get_commit, get_version files become optional

Author: MalteJ

build

@@ -63,10 +63,14 @@ if [ "$container_image" = localhost/builder ]; then
 	"$container_engine" build -t "$container_image" "$dir"
 fi
 
-repo="$(./get_repo)"
-commit="$(./get_commit)"
-timestamp="$(./get_timestamp)"
-default_version="$(./get_version)"
+repo=""
+commit=""
+timestamp=""
+default_version=""
+[ -e get_repo ] && repo="$(./get_repo)"
+[ -e get_commit ] && commit="$(./get_commit)"
+[ -e get_timestamp ] && timestamp="$(./get_timestamp)"
+[ -e get_version ] && default_version="$(./get_version)"
 
 [ -d $target_dir ] || mkdir $target_dir
 

builder/Makefile

@@ -15,14 +15,18 @@ prelastword = $(word $(words $1),_ $1)
 cname_version = $(call lastword,$(subst -, ,$1))
 cname_arch = $(call prelastword,$(subst -, ,$1))
 
-define require_var =
-ifndef $1
-$$(error '$1 undefined')
+ifeq ($(REPO),)
+        override REPO := http://deb.debian.org/debian
+endif
+ifeq ($(COMMIT),)
+        override COMMIT := $(shell [ -z "$$(git status --porcelain 2> /dev/null)" ] && git rev-parse HEAD 2> /dev/null || echo local)
+endif
+ifeq ($(TIMESTAMP),)
+        override TIMESTAMP := 0
+endif
+ifeq ($(DEFAULT_VERSION),)
+        override DEFAULT_VERSION := bookworm
 endif
-endef
-
-required_vars := REPO COMMIT TIMESTAMP DEFAULT_VERSION
-$(foreach var,$(required_vars),$(eval $(call require_var,$(var))))
 
 SHORT_COMMIT := $(shell head -c 8 <<< '$(COMMIT)')