From 009eb2a247593b36c98594464ed305c97af9a731 Mon Sep 17 00:00:00 2001
From: "Yann E. MORIN\"" <yann.morin.1998@anciens.enib.fr>
Date: Mon, 30 Nov 2009 21:34:50 +0100
Subject: scripts: protect against partially extracted source

In case of failure (eg. user hitting Ctrl-C), avoid extracting over
partially extracted source. Will help once we have git available.

diff --git a/scripts/functions b/scripts/functions
index b4d0375..c8fec30 100644
--- a/scripts/functions
+++ b/scripts/functions
@@ -577,6 +577,16 @@ CT_Extract() {
     fi
     local full_file="${CT_TARBALLS_DIR}/${basename}${ext}"
 
+    # Check if previously partially extracted
+    if [ -e "${CT_SRC_DIR}/.${basename}.extracting" ]; then
+        CT_DoLog ERROR "The '${basename}' sources were partially extracted."
+        CT_DoLog ERROR "Please remove first:"
+        CT_DoLog ERROR " - the source dir for '${basename}', in '${CT_SRC_DIR}'"
+        CT_DoLog ERROR " - the file '${CT_SRC_DIR}/.${basename}.extracting'"
+        CT_Abort "I'll stop now to avoid any carnage..."
+    fi
+    CT_DoExecLog DEBUG touch "${CT_SRC_DIR}/.${basename}.extracting"
+
     # Check if already extracted
     if [ -e "${CT_SRC_DIR}/.${basename}.extracted" ]; then
         CT_DoLog DEBUG "Already extracted '${basename}'"
@@ -599,6 +609,7 @@ CT_Extract() {
     CT_DoExecLog DEBUG chmod -R u+w "${CT_SRC_DIR}"
 
     CT_DoExecLog DEBUG touch "${CT_SRC_DIR}/.${basename}.extracted"
+    CT_DoExecLog DEBUG rm -f "${CT_SRC_DIR}/.${basename}.extracting"
 
     [ "${nochdir}" = "nochdir" ] || CT_Popd
 }
-- 
cgit v0.10.2-6-g49f6