Recursively searches for bitbake recipes and updates SRCREVs to the tops of selected branches.

update-srcrevs.sh

#!/bin/bash
#
# Recursively searches for bitbake recipes and updates SRCREVs to the tops of
# selected branches.

if [ $# -ne 1 ] ; then
    echo "Usage: ./update-srcrev.sh ROOT_SEARCH_DIR"
    exit 1
fi

recipes=`find $1 -type f -name \*.bb`

for r in $recipes ; do
    echo "Processing $r"

    # Check that SRC_URI is in the right format
    grep 'SRC_URI.*git@.*git;branch=' $r >/dev/null &&
        # Extract URI of the remote and branch name from SRC_URI
        URI="ssh://"`grep SRC_URI $r | sed -r 's|.*(git@.*\git);.*|\1|'` &&
        BRANCH=`grep SRC_URI $r | sed -r 's|.*branch=(.*);.*|\1|'` &&
        # Get the lates commit hash for the branch from the server
        SRCREV=`git ls-remote $URI $BRANCH | awk '{print $1}'` &&
        # Replace the old hash with the new one in the recipe file
        sed -i "s|SRCREV.*\".*\"|SRCREV = \"$SRCREV\"|" $r
done