Implements setting up & fetching from mirrors.

etc/pkgtool.usage: updated.
etc/README.md: updated.
pkgtool.sh:pkgtoolp_mirror{,_fetch}(): initial implementation.
subr/pkg_fetch_download.subr: default to empty ${PKG_MIRRORS}.
subr/pkg_fetch_download.subr: factor out ${ARG_FETCH_FORCE} check and ${BUILD_DLCACHEDIR}.
subr/pkgtool_init.subr: updated.
subr.rtl/rtl_fetch.subr:rtl_fetch_urls_{git,wget}(): factor out ${ARG_FETCH_FORCE} check and ${BUILD_DLCACHEDIR}; minor cleanup.
subr.rtl/rtl_fetch.subr:rtl_fetch_url_wget(): return vs. exit on fatal failure.
subr.rtl/rtl_fetch.subr:rtlp_fetch_url_git(): copy only if ${_cache_dname} != ${_tgtdir}.
subr.rtl/rtl_fetch.subr:rtlp_fetch_url_git(): return if unable to git-clone(1).
subr.rtl/rtl_fetch.subr:{rtlp_fetch_url_git,rtl_fetch_urls_git}(): implement Git repository mirroring.
vars/{gcc,python[23]{,_host}}.vars: updated.

5 files changed, 6 insertions, 6 deletions

diff --git a/vars/gcc.vars b/vars/gcc.vars
index eacb9910..92a56202 100644
--- a/vars/gcc.vars
+++ b/vars/gcc.vars
@@ -122,7 +122,7 @@ pkgp_gcc_stage1_all() {
 		return 1;
 	fi;
 	if ! ex_pkg_state_test "${PKG_NAME}" fetch "${_restart_at}"; then
-		rtl_fetch_urls_git "${PKG_BASE_DIR}" "cbb-gcc-${PKG_VERSION}=${PKG_GITROOT}/cbb/cbb-gcc-${PKG_VERSION}" || return 1;
+		rtl_fetch_urls_git "${BUILD_DLCACHEDIR}" "${PKG_BASE_DIR}" "${PKG_MIRRORS:-}" "cbb-gcc-${PKG_VERSION}=${PKG_GITROOT}/cbb/cbb-gcc-${PKG_VERSION}" || return 1;
 		pkgp_gcc_state_set "fetch" -"patch";
 	fi;
 	if ! ex_pkg_state_test "${PKG_NAME}" patch "${_restart_at}"; then
@@ -210,7 +210,7 @@ pkg_gcc_full_all() {
 	export MAKE="make LIBTOOL=slibtool ${_vis_hide}";
 	pkgp_gcc_build_dir "cbb-gcc-${PKG_VERSION}" native;
 	if ! ex_pkg_state_test "${PKG_NAME}" fetch "${_restart_at}"; then
-		rtl_fetch_urls_git "${PKG_BASE_DIR}" "cbb-gcc-${PKG_VERSION}=${PKG_GITROOT}/cbb/cbb-gcc-${PKG_VERSION}" || return 1;
+		rtl_fetch_urls_git "${BUILD_DLCACHEDIR}" "${PKG_BASE_DIR}" "${PKG_MIRRORS:-}" "cbb-gcc-${PKG_VERSION}=${PKG_GITROOT}/cbb/cbb-gcc-${PKG_VERSION}" || return 1;
 		pkgp_gcc_state_set "fetch" -"patch";
 	fi;
 	if ! ex_pkg_state_test "${PKG_NAME}" patch "${_restart_at}"; then
diff --git a/vars/python2.vars b/vars/python2.vars
index 59691f39..047b0bbc 100644
--- a/vars/python2.vars
+++ b/vars/python2.vars
@@ -5,7 +5,7 @@
 pkg_python2_fetch_download() {
 	if ! pkg_fetch_download\
 	|| ! rtl_fileop rm "${PKG_BASE_DIR}/sbpython2"\
-	|| ! rtl_fetch_urls_git "${PKG_BASE_DIR}/build" "sbpython2=${DEFAULT_GITROOT}/python/sbpython2@main"\
+	|| ! rtl_fetch_urls_git "${BUILD_DLCACHEDIR}" "${PKG_BASE_DIR}/build" "${PKG_MIRRORS:-}" "sbpython2=${DEFAULT_GITROOT}/python/sbpython2@main"\
 	|| ! ex_pkg_state_set "${PKG_NAME}" "fetch_download" "-fetch_extract"; then
 		return 1;
 	fi;
diff --git a/vars/python2_host.vars b/vars/python2_host.vars
index 00fe3790..b4fa01bd 100644
--- a/vars/python2_host.vars
+++ b/vars/python2_host.vars
@@ -5,7 +5,7 @@
 pkg_python2_host_fetch_download() {
 	if ! pkg_fetch_download\
 	|| ! rtl_fileop rm "${PKG_BASE_DIR}/sbpython2"\
-	|| ! rtl_fetch_urls_git "${PKG_BASE_DIR}/build" "sbpython2=${DEFAULT_GITROOT}/python/sbpython2@main"\
+	|| ! rtl_fetch_urls_git "${BUILD_DLCACHEDIR}" "${PKG_BASE_DIR}/build" "${PKG_MIRRORS:-}" "sbpython2=${DEFAULT_GITROOT}/python/sbpython2@main"\
 	|| ! rtl_fileop cp "../sbpython2/project/config/cfgdefs.sh" "../sbpython2/project/config/cfgdefs.sh.orig"\
 	|| ! sed -i"" -e"s/-ltinfo/&w/" -e"s/mb_ncurses_libs='\([^']*\)'/mb_ncurses_libs='\1 -ltinfow'/" ../sbpython2/project/config/cfgdefs.sh\
 	|| ! sed -i"" -e'108a\
diff --git a/vars/python3.vars b/vars/python3.vars
index d7d31c68..c21d3a01 100644
--- a/vars/python3.vars
+++ b/vars/python3.vars
@@ -5,7 +5,7 @@
 pkg_python3_fetch_download() {
 	if ! pkg_fetch_download\
 	|| ! rtl_fileop rm "${PKG_BASE_DIR}/sbpython3"\
-	|| ! rtl_fetch_urls_git "${PKG_BASE_DIR}/build" "sbpython3=${DEFAULT_GITROOT}/python/sbpython3@main"\
+	|| ! rtl_fetch_urls_git "${BUILD_DLCACHEDIR}" "${PKG_BASE_DIR}/build" "${PKG_MIRRORS:-}" "sbpython3=${DEFAULT_GITROOT}/python/sbpython3@main"\
 	|| ! ex_pkg_state_set "${PKG_NAME}" "fetch_download" "-fetch_extract"; then
 		return 1;
 	fi;
diff --git a/vars/python3_host.vars b/vars/python3_host.vars
index 547d40f6..dac0f5de 100644
--- a/vars/python3_host.vars
+++ b/vars/python3_host.vars
@@ -5,7 +5,7 @@
 pkg_python3_host_fetch_download() {
 	if ! pkg_fetch_download\
 	|| ! rtl_fileop rm "${PKG_BASE_DIR}/sbpython3"\
-	|| ! rtl_fetch_urls_git "${PKG_BASE_DIR}/build" "sbpython3=${DEFAULT_GITROOT}/python/sbpython3@main"\
+	|| ! rtl_fetch_urls_git "${BUILD_DLCACHEDIR}" "${PKG_BASE_DIR}/build" "${PKG_MIRRORS:-}" "sbpython3=${DEFAULT_GITROOT}/python/sbpython3@main"\
 	|| ! rtl_fileop cp "../sbpython3/project/config/cfgdefs.sh" "../sbpython3/project/config/cfgdefs.sh.orig"\
 	|| ! sed -i"" -e"s/-ltinfo/&w/" -e"s/mb_ncurses_libs='\([^']*\)'/mb_ncurses_libs='\1 -ltinfow'/" "../sbpython3/project/config/cfgdefs.sh"\
 	|| ! sed -i"" -e'108a\