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Added anti-clobbering safety check #40

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Added anti-clobbering safety check #40

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a32ae82
Check for existing $BIN/cs before clobbering.
Jun 5, 2012
3e4cd46
Added comment to cs file which will serve as a better grep target for…
Jun 5, 2012
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24 changes: 21 additions & 3 deletions setup.sh
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Original file line number Diff line number Diff line change
@@ -1,5 +1,23 @@
#!/bin/sh

BIN=$HOME/bin
mkdir -p $BIN

if [ -a $BIN/cs ] ; then
if ! [ -f $BIN/cs ] ; then
echo "$BIN/cs exists but is not a regular file. Not clobbering. Remove $BIN/cs and run this setup script again."
exit 1
elif ! grep -q sbt-launch\\.jar $BIN/cs ; then
echo "$BIN/cs exists, but it does not not appear to be an old conscript file. Not clobbering. Remove $BIN/cs and run this setup script again."
exit 2
else
echo
echo "Existing $BIN/cs found. Will overwrite."
fi
fi



echo "
Fetching current launch configuration...
"
Expand All @@ -13,10 +31,10 @@ echo "
[boot]
directory: $CS/boot" >> $CLC

BIN=$HOME/bin
mkdir -p $BIN


echo "#!/bin/sh
#This is conscript: https://github.com/n8han/conscript
java -jar $CS/sbt-launch.jar @$CLC \"\$@\"" > $BIN/cs

chmod a+x $BIN/cs
Expand All @@ -34,4 +52,4 @@ fi

echo "
conscript installed to $BIN/cs
"
"