From d9dcea515418af6ad88655ea869ace89801895f9 Mon Sep 17 00:00:00 2001
From: Romain Derocle <rderocle@prismamedia.com>
Date: Thu, 14 Jan 2016 11:58:45 +0100
Subject: [PATCH] do not try to remove TWGIT_PREFIX_TAG if it is empty

---
 inc/common.inc.sh | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/inc/common.inc.sh b/inc/common.inc.sh
index b7a402c..e76bcd8 100644
--- a/inc/common.inc.sh
+++ b/inc/common.inc.sh
@@ -345,8 +345,13 @@ function get_current_branch () {
 function get_all_tags () {
     local n="$1"
     [ -z "$n" ] && n=10000	# pour tout retourner
-    git tag | grep -E '^'$TWGIT_PREFIX_TAG'[0-9]+\.[0-9]+\.[0-9]+$' | sed "s/$TWGIT_PREFIX_TAG//" | sed 's/\./;/g' \
-        | sort --field-separator=";" -k1n -k2n -k3n | sed 's/;/./g' | tail -n $n | sed "s/^/$TWGIT_PREFIX_TAG/"
+    if [ -z "$TWGIT_PREFIX_TAG" ]; then
+        git tag | sed 's/\./;/g' \
+            | sort --field-separator=";" -k1n -k2n -k3n | sed 's/;/./g' | tail -n $n
+    else
+        git tag | grep -E '^'$TWGIT_PREFIX_TAG'[0-9]+\.[0-9]+\.[0-9]+$' | sed "s/$TWGIT_PREFIX_TAG//" | sed 's/\./;/g' \
+            | sort --field-separator=";" -k1n -k2n -k3n | sed 's/;/./g' | tail -n $n | sed "s/^/$TWGIT_PREFIX_TAG/"
+    fi
 }
 
 ##