Fix poor-man's dirname implementation. Reported by Matías A. Fonzo.

[releases.git] / deblob-main

diff --git a/deblob-main b/deblob-main
index fb9a0e4fb412cf52c2ad24aca85a607f5a4406d1..51e232a13691f854a3836effa28abdeb7c373a6a 100755 (executable)
--- a/deblob-main
+++ b/deblob-main
@@ -63,7 +63,7 @@ esac
 
 mver=$1 extra=$2 sver=$3
 kver=$mver$sver libre=libre$extra
-deblob= dir=`echo $0 | sed 's,/[^/]*$,,'`
+deblob= dir=`echo "$0" | sed 's,[^/]*$,,;s,^$,.,;s,/*$,,'`
 
 if test ! -f linux-$kver.tar.bz2; then
   echo linux-$kver.tar.bz2 does not exist >&2
@@ -178,10 +178,15 @@ echo Copying linux-$kver to linux-$kver-$libre
 cp linux-$kver.tar linux-$kver-$libre.tar
 cp -lR linux-$kver/. linux-$kver-$libre
 
+rm -f linux-$kver-$libre.log linux-$kver-$libre.log.tmp
 echo Deblobbing within linux-$kver-$libre, saving output to linux-$kver-$libre.log
-if (cd linux-$kver-$libre && /bin/sh ../$deblob $force) 2>&1 | tee -a linux-$kver-$libre.log; then
-  :
-else
+# We can't just pipe deblob into tee, for then we fail to detect 
+# error conditions.  Use file renaming to tell whether we succeeded.
+if (cd linux-$kver-$libre && /bin/sh ../$deblob $force) 2>&1; then
+  mv linux-$kver-$libre.log.tmp linux-$kver-$libre.log
+fi | tee linux-$kver-$libre.log.tmp
+if test ! -f linux-$kver-$libre.log; then
+  mv linux-$kver-$libre.log.tmp linux-$kver-$libre.log
   echo $deblob failed, aborting >&2
   exit 1
 fi