From f84f907bf1186c715ea15fbc41e1150b0f98244a Mon Sep 17 00:00:00 2001
From: Riccardo Castellotti <rcastell@cern.ch>
Date: Tue, 10 May 2022 14:20:45 +0200
Subject: [PATCH] swan script for etcprofile

---
 etc/profile.d/swan.sh | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 etc/profile.d/swan.sh

diff --git a/etc/profile.d/swan.sh b/etc/profile.d/swan.sh
new file mode 100644
index 0000000..6bd9e54
--- /dev/null
+++ b/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