lfopenbmc: add script to apply a repo commit to yocto tree

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>

env/20_all/lfopenbmc.zsh

@@ -11,3 +11,16 @@ function gerrit-origin() {
 function gerrit-maint() {
     $(wd path obmcsrc)/openbmc-tools/maintainers/obmc-gerrit reviewers $*
 }
+
+function lf-obmc-apply() {
+    local REPONAME=$(git remote get-url origin | sed "s#.*://[^/]*/##")
+    local COMMIT=$(git rev-parse HEAD)
+
+    local LFREPO=$(wd path lfopenbmc)
+    local FILES=$(git -C "$LFREPO" grep -lE "git://.*/$REPONAME(.git)?;")
+    for f in $FILES; do
+        echo "Applying to $LFREPO/$f"
+        sed -i "s/;branch=[^;]*/;nobranch=1/" "$LFREPO/$f"
+        sed -i "s/SRCREV = .*/SRCREV = \"$COMMIT\"/" "$LFREPO/$f"
+    done
+}