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#!/bin/bash
# Run command on every commit within the range specified. If no command is
# provided, use the default one to clean and build the whole tree.
#
# The default rune is rather simple. To do a cross-build, please put your usual
# build rune in a shell script and invoke it with this script.
#
# Set NON_SYMBOLIC_REF=1 if you want to use this script in detached HEAD state.
# This is currently used by automated test system.
if test $# -lt 2 ; then
echo "Usage:"
echo " $0 <BASE> <TIP> [CMD]"
echo " If [CMD] is not specified, run the default command"
echo " git clean -fdx && ./configure && make -j4"
exit 1
fi
pushd `git rev-parse --show-toplevel`
status=`git status -s`
if test -n "$status"; then
echo "Tree is dirty, aborted"
exit 1
fi
BASE=$1; shift
TIP=$1; shift
if [[ "_${NON_SYMBOLIC_REF}" != "_1" ]]; then
ORIG=`git symbolic-ref -q --short HEAD`
if test $? -ne 0; then
echo "Detached HEAD, aborted"
exit 1
fi
else
ORIG=`git rev-parse HEAD`
fi
ret=1
while read num rev; do
echo "Testing $num $rev"
git checkout $rev
ret=$?
if test $ret -ne 0; then
echo "Failed to checkout $num $rev with $ret"
break
fi
if test $# -eq 0 ; then
git clean -fdx && ./configure && make -j4
else
"$@"
fi
ret=$?
if test $ret -ne 0; then
echo "Failed at $num $rev with $ret"
break
fi
echo
done < <(git rev-list $BASE..$TIP | nl -ba | tac)
echo "Restoring original HEAD"
git checkout $ORIG
gco_ret=$?
if test $gco_ret -ne 0; then
echo "Failed to restore orignal HEAD. Check tree status before doing anything else!"
exit $gco_ret
fi
if test $ret -eq 0; then
echo "ok."
fi
exit $ret
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