Compare difference between two commits (HEAD and HEAD^) for gaia profile (Usage: ./diff-build.sh)

rev-build-diff.sh

#!/bin/bash

REV1=HEAD
REV2=HEAD^

if [ -z "$REV1" -o -z "$REV2" ]; then
  echo "Usage: $0 REV1 REV2";
  exit 1;
fi

compute_profile () {
  REV=$1
  if [ ! -d diffs/profiles/$REV ]; then
    git checkout $REV
    make clean
	  make
    mv profile diffs/profiles/$REV
  fi
}

unzip_profile () {
  REV=$1
  if [ ! -d diffs/unzip/$REV ]; then
    mkdir -p diffs/unzip/$REV
    cp -r diffs/profiles/$REV/* diffs/unzip/$REV/
    ZIPS=$(find diffs/unzip/$REV/ -name *.zip)
    for ZIP in $ZIPS; do
      unzip -q -d $(echo $ZIP | sed 's/\.zip$/\.unzip/') $ZIP
      rm $ZIP
    done;
  fi
}

cd gaia
mkdir -p diffs/profiles
compute_profile $REV1
compute_profile $REV2

mkdir -p diffs/unzip
unzip_profile $REV1
unzip_profile $REV2

cd diffs/unzip && diff --brief -r $REV1 $REV2

echo ""
echo "For more details, run:"
echo "  diff -r diffs/unzip/$REV1 diffs/unzip/$REV2"
echo "  or same with meld, kdiff3,..."