[FFmpeg-devel] [PATCH 1/2] tool/bisect: add some magic to make the bisect tool be useable when its not part of a checkout

[Michael Niedermayer]

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
---
 .gitignore   |    1 +
 tools/bisect |   17 +++++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/.gitignore b/.gitignore
index e8b021d..6a719a6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -60,4 +60,5 @@ tools/pktdumper
 tools/probetest
 tools/qt-faststart
 tools/trasher
+tools/bisec
 version.h
diff --git a/tools/bisect b/tools/bisect
index de43f68..cdf3226 100755
--- a/tools/bisect
+++ b/tools/bisect
@@ -2,6 +2,23 @@
 
 set -e
 
+if test "bisect" = "`basename $0`" ; then
+    echo WARNING, trying to execute tools/bisect directly this cannot work as
+    echo the script itself would not be available in older checkouts
+    echo please use tools/bisec
+    git show master:tools/bisect > tools/bisec
+    chmod u+x tools/bisec
+    exit 1
+fi
+
+if ! git show master:tools/bisect | diff - tools/bisec > /dev/null ; then
+    echo updating tools/bisec script to HEAD.
+    git show master:tools/bisect > tools/bisec
+    chmod u+x tools/bisec
+    tools/bisec $*
+    exit 0
+fi
+
 case "$1" in
     need)
         case $2 in
-- 
1.7.9.5