diff options
Diffstat (limited to 'reproduce/analysis/make/download.mk')
| -rw-r--r-- | reproduce/analysis/make/download.mk | 64 |
1 files changed, 31 insertions, 33 deletions
diff --git a/reproduce/analysis/make/download.mk b/reproduce/analysis/make/download.mk index e652c17..6e67962 100644 --- a/reproduce/analysis/make/download.mk +++ b/reproduce/analysis/make/download.mk @@ -27,22 +27,20 @@ # Download input data # -------------------- # -# The input dataset properties are defined in -# '$(pconfdir)/INPUTS.conf'. For this template we only have one dataset to -# enable easy processing, so all the extra checks in this rule may seem -# redundant. +# 'reproduce/analysis/config/INPUTS.conf' contains the input dataset +# properties. In most cases, you will not need to edit this rule (or +# file!). Simply follow the instructions of 'INPUTS.conf' and set the +# variables names according to the described standards. # -# In a real project, you will need more than one dataset. In that case, -# just add them to the target list and add an 'elif' statement to define it -# in the recipe. -# -# Files in a server usually have very long names, which are mainly designed -# for helping in data-base management and being generic. Since Make uses -# file names to identify which rule to execute, and the scope of this -# research project is much less than the generic survey/dataset, it is -# easier to have a simple/short name for the input dataset and work with -# that. In the first condition of the recipe below, we connect the short -# name with the raw database name of the dataset. +# TECHNICAL NOTE on the '$(foreach, n ...)' loop of 'inputdatasets': we are +# using several (relatively complex!) features particular to Make: In GNU +# Make, '.VARIABLES' "... expands to a list of the names of all global +# variables defined so far" (from the "Other Special Variables" section of +# the GNU Make manual). Assuming that the pattern 'INPUT-%-sha256' is only +# used for input files, we find all the variables that contain the input +# file name (the '%' is the filename). Finally, using the +# pattern-substitution function ('patsubst'), we remove the fixed string at +# the start and end of the variable name. # # Download lock file: Most systems have a single connection to the # internet, therefore downloading is inherently done in series. As a @@ -53,16 +51,16 @@ # progress at every moment. $(indir):; mkdir $@ downloadwrapper = $(bashdir)/download-multi-try -inputdatasets = $(foreach i, wfpc2, $(indir)/$(i).fits) -$(inputdatasets): $(indir)/%.fits: | $(indir) $(lockdir) +inputdatasets = $(foreach i, \ + $(patsubst INPUT-%-sha256,%, \ + $(filter INPUT-%-sha256,$(.VARIABLES))), \ + $(indir)/$(i)) +$(inputdatasets): $(indir)/%: | $(indir) $(lockdir) -# Set the necessary parameters for this input file. - if [ $* = wfpc2 ]; then - localname=$(DEMO-DATA); url=$(DEMO-URL); mdf=$(DEMO-MD5); - else - echo; echo; echo "Not recognized input dataset: '$*.fits'." - echo; echo; exit 1 - fi +# Set the necessary parameters for this input file as shell variables +# (to help in readability). + url=$(INPUT-$*-url) + sha=$(INPUT-$*-sha256) # Download (or make the link to) the input dataset. If the file # exists in 'INDIR', it may be a symbolic link to some other place in @@ -72,25 +70,25 @@ $(inputdatasets): $(indir)/%.fits: | $(indir) $(lockdir) # GNU Coreutils). If its not a link, the 'readlink' part has no # effect. unchecked=$@.unchecked - if [ -f $(INDIR)/$$localname ]; then - ln -fs $$(readlink -f $(INDIR)/$$localname) $$unchecked + if [ -f $(INDIR)/$* ]; then + ln -fs $$(readlink -f $(INDIR)/$*) $$unchecked else touch $(lockdir)/download $(downloadwrapper) "wget --no-use-server-timestamps -O" \ $(lockdir)/download $$url $$unchecked fi -# Check the md5 sum to see if this is the proper dataset. - sum=$$(md5sum $$unchecked | awk '{print $$1}') - if [ $$sum = $$mdf ]; then +# Check the checksum to see if this is the proper dataset. + sum=$$(sha256sum $$unchecked | awk '{print $$1}') + if [ $$sum = $$sha ]; then mv $$unchecked $@ echo "Integrity confirmed, using $@ in this project." else echo; echo; - echo "Wrong MD5 checksum for input file '$$localname':" + echo "Wrong SHA256 checksum for input file '$*':" echo " File location: $$unchecked"; \ - echo " Expected MD5 checksum: $$mdf"; \ - echo " Calculated MD5 checksum: $$sum"; \ + echo " Expected SHA256 checksum: $$sha"; \ + echo " Calculated SHA256 checksum: $$sum"; \ echo; exit 1 fi @@ -104,4 +102,4 @@ $(inputdatasets): $(indir)/%.fits: | $(indir) $(lockdir) # It is very important to mention the address where the data were # downloaded in the final report. $(mtexdir)/download.tex: $(pconfdir)/INPUTS.conf | $(mtexdir) - echo "\\newcommand{\\wfpctwourl}{$(DEMO-URL)}" > $@ + echo "\\newcommand{\\wfpctwourl}{$(INPUT-wfpc2.fits-url)}" > $@ |