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-rw-r--r--reproduce/analysis/make/download.mk10
1 files changed, 8 insertions, 2 deletions
diff --git a/reproduce/analysis/make/download.mk b/reproduce/analysis/make/download.mk
index a721863..ea74ce4 100644
--- a/reproduce/analysis/make/download.mk
+++ b/reproduce/analysis/make/download.mk
@@ -60,9 +60,15 @@ $(inputdatasets): $(indir)/%.fits: | $(indir) $(lockdir)
echo; echo; exit 1
fi
- # Download (or make the link to) the input dataset.
+ # 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 the filesystem. To avoid too many links when using these files
+ # during processing, we'll use `readlink -f' so the link we make
+ # here points to the final file directly (note that `readlink' is
+ # part of GNU Coreutils). If its not a link, the `readlink' part
+ # has no effect.
if [ -f $(INDIR)/$$origname ]; then
- ln -s $(INDIR)/$$origname $@
+ ln -fs $$(readlink -f $(INDIR)/$$origname) $$out
else
touch $(lockdir)/download
$(downloadwrapper) "wget --no-use-server-timestamps -O" \