gstlal-calibration: new git submodule for calibration filters

tests/check_calibration/Makefile

@@ -7,6 +7,8 @@
 IFO = H
 # determines where to look for filters files (e.g., O1, O2, O3, ER10, ER13, ER14, PreER10, PreER13, PreER14)
 OBSRUN = O3
+# Determines whether to find calibration filters in the old SVN or the git repo.  Starting with PreER15 and O4, we switched to the git repo.  Set to 'svn' or 'git'.
+FILTERSRC = git
 
 START = $(shell echo 1269114368 | bc)
 # 1237831461 start of O3A
@@ -339,6 +341,7 @@ noise_subtraction_range_plots_GDS: $(IFO)1_hoft_GDS_frames.cache
 	python3 plot_BNS_range.py --gps-start-time $(PLOT_START) --gps-end-time $(PLOT_END) --ifo $(IFO)1 --frame-cache-list '$(IFO)1_hoft_GDS_frames.cache,$(IFO)1_hoft_GDS_frames.cache' --channel-list 'GDS-CALIB_STRAIN,GDS-CALIB_STRAIN_CLEAN' --range-min 0.0 --range-max 140
 
 filters:
+ifeq ($(FILTERSRC), svn)
 	if [ -d Filters/$(OBSRUN)/GDSFilters ]; then \
 		svn up Filters/$(OBSRUN)/GDSFilters; \
 	else \
@@ -346,6 +349,14 @@ filters:
 		cd Filters/$(OBSRUN); \
 		svn co https://svn.ligo.caltech.edu/svn/aligocalibration/trunk/Runs/$(OBSRUN)/GDSFilters; \
 	fi
+else
+	if [ -d gds-dcs-filter-generation/filters ]; then \
+		git submodule update; \
+	else \
+		git submodule init; \
+		git submodule update; \
+	fi
+endif
 
 BB_inj_dir:
 	if [ -d BB_injections/$(OBSRUN)/$(IFO)1/$($(OBSRUN)_$(IFO)1_BB_INJ_PATH)/$($(OBSRUN)_$(IFO)1_BB_INJ_DIR) ]; then \

gds-dcs-filter-generation @ d8ae9ff8

+Subproject commit d8ae9ff8c90d1f7fbb6a703035a72573e8dacfb0