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#!/bin/bash
function show_error_msg()
{
echo "*** ERROR *** $? line $1 $0 did not complete successfully!"
echo "$ERROR_HELP"
}
ERROR_HELP=""
# Print an Error message if `set -eE` causes the script to exit due to a failed command
trap 'show_error_msg $LINENO' ERR
source dom/media/webrtc/third_party_build/use_config_env.sh
# If DEBUG_GEN is set all commands should be printed as they are executed
if [ ! "x$DEBUG_GEN" = "x" ]; then
set -x
fi
if [ "x$MOZ_LIBWEBRTC_SRC" = "x" ]; then
echo "MOZ_LIBWEBRTC_SRC is not defined, see README.md"
exit
fi
if [ -d $MOZ_LIBWEBRTC_SRC ]; then
echo "MOZ_LIBWEBRTC_SRC is $MOZ_LIBWEBRTC_SRC"
else
echo "Path $MOZ_LIBWEBRTC_SRC is not found, see README.md"
exit
fi
if [ "x$MOZ_LIBWEBRTC_BRANCH" = "x" ]; then
echo "MOZ_LIBWEBRTC_BRANCH is not defined, see README.md"
exit
fi
RESUME_FILE=$STATE_DIR/fast_forward.resume
RESUME=""
if [ -f $RESUME_FILE ]; then
RESUME=`tail -1 $RESUME_FILE`
fi
GIT_IS_REBASING=`cd $MOZ_LIBWEBRTC_SRC && git status | grep "interactive rebase in progress" | wc -l | tr -d " " || true`
if [ "x$GIT_IS_REBASING" != "x0" ]; then
echo "There is currently a git rebase operation in progress at $MOZ_LIBWEBRTC_SRC."
echo "Please resolve the rebase before attempting to continue the fast-forward"
echo "operation."
exit 1
fi
if [ "x$RESUME" = "x" ]; then
SKIP_TO="run"
# Check for modified files and abort if present.
MODIFIED_FILES=`hg status --exclude "third_party/libwebrtc/**.orig" third_party/libwebrtc`
if [ "x$MODIFIED_FILES" = "x" ]; then
# Completely clean the mercurial checkout before proceeding
hg update -C -r .
hg purge
else
echo "There are modified files in the checkout. Cowardly aborting!"
echo "$MODIFIED_FILES"
exit 1
fi
else
SKIP_TO=$RESUME
hg revert -C third_party/libwebrtc/README.moz-ff-commit &> /dev/null
fi
find_base_commit
find_next_commit
# After this point:
# * eE: All commands should succeed.
# * u: All variables should be defined before use.
# * o pipefail: All stages of all pipes should succeed.
set -eEuo pipefail
echo " MOZ_LIBWEBRTC_BASE: $MOZ_LIBWEBRTC_BASE"
echo "MOZ_LIBWEBRTC_NEXT_BASE: $MOZ_LIBWEBRTC_NEXT_BASE"
echo " RESUME: $RESUME"
echo "SKIP_TO: $SKIP_TO"
echo "-------"
echo "------- Write cmd-line to third_party/libwebrtc/README.moz-ff-commit"
echo "-------"
echo "# MOZ_LIBWEBRTC_SRC=$MOZ_LIBWEBRTC_SRC MOZ_LIBWEBRTC_BRANCH=$MOZ_LIBWEBRTC_BRANCH bash $0" \
>> third_party/libwebrtc/README.moz-ff-commit
echo "-------"
echo "------- Write new-base to last line of third_party/libwebrtc/README.moz-ff-commit"
echo "-------"
echo "# base of lastest vendoring" >> third_party/libwebrtc/README.moz-ff-commit
echo "$MOZ_LIBWEBRTC_NEXT_BASE" >> third_party/libwebrtc/README.moz-ff-commit
REBASE_HELP=$"
The rebase operation onto $MOZ_LIBWEBRTC_NEXT_BASE has failed. Please
resolve all the rebase conflicts. To fix this issue, you will need to
jump to the github repo at $MOZ_LIBWEBRTC_SRC .
When the github rebase is complete, re-run the script to resume the
fast-forward process.
"
function rebase_mozlibwebrtc_stack {
echo "-------"
echo "------- Rebase $MOZ_LIBWEBRTC_BRANCH to $MOZ_LIBWEBRTC_NEXT_BASE"
echo "-------"
ERROR_HELP=$REBASE_HELP
( cd $MOZ_LIBWEBRTC_SRC && \
git checkout -q $MOZ_LIBWEBRTC_BRANCH && \
git rebase $MOZ_LIBWEBRTC_NEXT_BASE \
&> $LOG_DIR/log-rebase-moz-libwebrtc.txt \
)
ERROR_HELP=""
}
function write_commit_message_file {
echo "-------"
echo "------- Write commit message file ($TMP_DIR/commit_msg.txt)"
echo "-------"
UPSTREAM_LONG_SHA=`cd $MOZ_LIBWEBRTC_SRC && \
git show --format='%H' --no-patch $MOZ_LIBWEBRTC_NEXT_BASE`
echo "Bug $MOZ_FASTFORWARD_BUG - Vendor libwebrtc from $MOZ_LIBWEBRTC_NEXT_BASE" \
> $TMP_DIR/commit_msg.txt
echo "" >> $TMP_DIR/commit_msg.txt
if [ -f $STATE_DIR/$MOZ_LIBWEBRTC_NEXT_BASE.no-op-cherry-pick-msg ]; then
cat $STATE_DIR/$MOZ_LIBWEBRTC_NEXT_BASE.no-op-cherry-pick-msg >> $TMP_DIR/commit_msg.txt
echo "" >> $TMP_DIR/commit_msg.txt
fi
echo "Upstream commit: https://webrtc.googlesource.com/src/+/$UPSTREAM_LONG_SHA" >> $TMP_DIR/commit_msg.txt
(cd $MOZ_LIBWEBRTC_SRC && \
git show --name-only $MOZ_LIBWEBRTC_NEXT_BASE | grep "^ ") >> $TMP_DIR/commit_msg.txt
}
if [ $SKIP_TO = "run" ]; then
echo "resume2" > $RESUME_FILE
rebase_mozlibwebrtc_stack;
fi
if [ $SKIP_TO = "resume2" ]; then SKIP_TO="run"; fi
if [ $SKIP_TO = "run" ]; then
echo "resume3" > $RESUME_FILE
write_commit_message_file;
fi
if [ $SKIP_TO = "resume3" ]; then SKIP_TO="run"; fi
if [ $SKIP_TO = "run" ]; then
./mach python dom/media/webrtc/third_party_build/vendor_and_commit.py \
--repo-path $MOZ_LIBWEBRTC_SRC \
--script-path $SCRIPT_DIR \
--commit-msg-path $TMP_DIR/commit_msg.txt \
--commit-sha $MOZ_LIBWEBRTC_NEXT_BASE
fi
echo "" > $RESUME_FILE
# now that we've committed the vendored code, we can delete the
# no-op commit tracking file if it exists.
if [ -f $STATE_DIR/$MOZ_LIBWEBRTC_NEXT_BASE.no-op-cherry-pick-msg ]; then
rm $STATE_DIR/$MOZ_LIBWEBRTC_NEXT_BASE.no-op-cherry-pick-msg
fi