WIP swan script for etcprofile

etc/profile.d/swan.sh

@@ -0,0 +1,33 @@
+export LD_LIBRARY_PATH=/usr/local/lib/
+SRCTMP=`mktemp`
+#to make krb5 work, temporary
+source <(grep KRB5CCNAME /scratch/rcastell/.bash_profile )
+/usr/local/bin/python3 -E << EOF
+from pathlib import Path
+envtowrite=[]
+for p in [Path.cwd(), *Path.cwd().parents]:
+	print(p)
+	try:
+		with open(p / ".swanproject") as f:
+			print(f'reading file from {p}')
+			for line in f.readlines():
+				name, value = line.rstrip("\n").split("=", 1)
+				envtowrite.append(f'export {name}={value}\n')
+		with open("$SRCTMP",'w') as f:
+			f.writelines(envtowrite)
+		break
+	except PermissionError as e:
+		## it means we are out of the hierarchy
+		break
+	except FileNotFoundError as e:
+		## this folder doesn't contain a .swanproject file
+		pass
+EOF
+
+if [ $? -eq 0 ];
+	then
+		source $SRCTMP;
+	else
+		echo 'no env file set';
+	       	source /scratch/rcastell/.bash_profile
+fi