major rework

main.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-REPO_DIR="$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")"
+REPO_DIR="$(cd "${BASH_SOURCE[0]//'main.sh'/}" && echo "$PWD")"
 IGN_DIR="${REPO_DIR}/gitignore"
 TMP_DIR="${IGN_DIR}/tmp"
 DL_DIR="${IGN_DIR}/downloads"
@@ -13,51 +13,64 @@ FB_FUNC_NAMES=()
 declare -A FB_FUNC_DESCS
 declare -A FB_FUNC_COMPLETION
 
-BUILD_CFG="${REPO_DIR}/"cfgs/builds.json
-COMPILE_CFG="${REPO_DIR}/"cfgs/compile_opts.json
-mapfile -t BUILDS < <(jq -r 'keys[]' "$BUILD_CFG")
-export BUILD_CFG COMPILE_CFG BUILDS
+# can't have recursive generation
+FB_RUNNING_AS_SCRIPT=${FB_RUNNING_AS_SCRIPT:-0}
 
-# enable what ffmpeg builds
-unset FFMPEG_ENABLES
-export FFMPEG_ENABLES
-for enable in $(jq -r '.ffmpeg_enable[]' "$COMPILE_CFG"); do
-    FFMPEG_ENABLES+=("${enable}")
-done
+# no undefined variables
+set -u
 
+SCRIPT_DIR="${REPO_DIR}/scripts"
+ENTRY_SCRIPT="${SCRIPT_DIR}/entry.sh"
 src_scripts() {
-    for script in "${REPO_DIR}/scripts/"*.sh; do
-        # shellcheck disable=SC1090
-        source "${script}"
-    done
+	local SCRIPT_DIR="${REPO_DIR}/scripts"
+	rm "${SCRIPT_DIR}"*.sh
+
+	if [[ $FB_RUNNING_AS_SCRIPT -eq 0 ]]; then
+		# shellcheck disable=SC2016
+		echo '#!/usr/bin/env bash
+cd "$(dirname "$(readlink -f $0)")/.."
+. main.sh
+FB_RUNNING_AS_SCRIPT=1
+scr_name="$(bash_basename $0)"
+cmd="${scr_name//.sh}"
+$cmd $@' >"${ENTRY_SCRIPT}"
+		chmod +x "${ENTRY_SCRIPT}"
+	fi
+
+	for script in "${REPO_DIR}/lib/"*.sh; do
+		# shellcheck disable=SC1090
+		source "${script}"
+	done
 }
 
 FB_FUNC_NAMES+=('print_cmds')
 FB_FUNC_DESCS['print_cmds']='print usable commands'
 print_cmds() {
-    echo -e "\n~~~ Usable Commands ~~~"
-    for funcname in "${FB_FUNC_NAMES[@]}"; do
-        echo -e "${CYAN}${funcname}${NC}:\n\t" "${FB_FUNC_DESCS[${funcname}]}"
-    done
-    echo -e "~~~~~~~~~~~~~~~~~~~~~~~\n"
+	echo -e "\n~~~ Usable Commands ~~~"
+	for funcname in "${FB_FUNC_NAMES[@]}"; do
+		echo -e "${CYAN}${funcname}${NC}:\n\t" "${FB_FUNC_DESCS[${funcname}]}"
+		fb_running_as_script || (cd "$SCRIPT_DIR" && ln -sf entry.sh "${funcname}.sh")
+	done
+	echo -e "~~~~~~~~~~~~~~~~~~~~~~~\n"
 }
 
 set_completions() {
-    for funcname in "${FB_FUNC_NAMES[@]}"; do
-        complete -W "${FB_FUNC_COMPLETION[${funcname}]}" "${funcname}"
-    done
+	set +u
+	for funcname in "${FB_FUNC_NAMES[@]}"; do
+		complete -W "${FB_FUNC_COMPLETION[${funcname}]}" "${funcname}"
+	done
+	set -u
 }
 
 # shellcheck disable=SC1091
 source "${HOME}/.bashrc"
 src_scripts || return 1
-determine_os || return 1
+determine_pkg_mgr || return 1
 
-unset PREFIX
-PREFIX="$(jq -r '.prefix' "${COMPILE_CFG}")"
-test "${PREFIX}" == 'null' && PREFIX="${IGN_DIR}/${OS}_sysroot"
-export PREFIX
+# pkg_mgr initialized in determine_pkg_mgr
+# shellcheck disable=SC2154
+test "${PREFIX}" == '' && PREFIX="${IGN_DIR}/${pkg_mgr}_sysroot"
 
 set_compile_opts || return 1
-print_cmds || return 1
+fb_running_as_script || print_cmds || return 1
 set_completions || return 1