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Unified Diff: src/scripts/save_pinned_deps

Issue 2112003: Create a tool to save a pinned dep file for the current sync. (Closed) Base URL: ssh://git@chromiumos-git/chromeos
Patch Set: Fix repository reset and verify that we are in a git repo. Created 10 years, 7 months ago
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Index: src/scripts/save_pinned_deps
diff --git a/src/scripts/save_pinned_deps b/src/scripts/save_pinned_deps
new file mode 100755
index 0000000000000000000000000000000000000000..ab2061359cee0e4e37b13bd9f90fe70cf991a671
--- /dev/null
+++ b/src/scripts/save_pinned_deps
@@ -0,0 +1,128 @@
+#!/bin/bash
+
+# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Save the current state of the tree into a pinned deps file that can later
+# be used to reconstruct the same tree.
+
+# Load common constants. This should be the first executable line.
+# The path to common.sh should be relative to your script's location.
+. "$(dirname "$0")/common.sh"
+
+# Script must be run outside the chroot, I am not sure why this is but inside
+# the chroot "gclient" is aliased to a warning about using gclient in the
+# chroot.
+assert_outside_chroot
+
+# Flags
+BASE_URL="http://src.chromium.org/git"
+
+DEFINE_string depfile "" "The path to the depfile to create."
+DEFINE_boolean commit ${FLAGS_FALSE} "Commit the resulting depfile."
+DEFINE_boolean substitute ${FLAGS_FALSE} "Substitute a new base git URL."
+DEFINE_string base ${BASE_URL} "Base git URL to substitute"
+
+# Parse command line
+FLAGS_HELP="usage: $0 [flags]"
+FLAGS "$@" || exit 1
+eval set -- "${FLAGS_ARGV}"
+check_flags_only_and_allow_null_arg "$@" && set --
+
+# Die on any errors.
+set -e
+
+if [ -z "$FLAGS_depfile" ] ; then
+ echo "Error: --depfile is required."
+ exit 1
+fi
+
+DEPPATH="${GCLIENT_ROOT}/deps"
+DEPFILE="${DEPPATH}/${FLAGS_depfile}"
+
+TEMPFILE=$(tempfile)
+DIRNAME=$(dirname "${DEPFILE}")
+FILENAME=$(basename "${DEPFILE}")
+
+cleanup() {
+ # Disable die on error.
+ set +e
+
+ if [ -f "${TEMPFILE}" ]; then
+ rm "${TEMPFILE}"
+ fi
+
+ if [ -f "${DEPFILE}" ]; then
+ rm "${DEPFILE}"
+ fi
+
+ # Turn die on error back on.
+ set -e
+}
+
+reset_repository() {
+ echo "Resetting DEPS repository"
+
+ pushd "${DEPPATH}"
+
+ [ -d ".git" ] || die "${DEPPATH} is not a git repository."
+
+ git reset --hard origin/master
+
+ popd
+}
+
+generate_depfile() {
+ echo "Writing pinned DEPS file to ${DEPFILE}"
+
+ mkdir -p "${DIRNAME}"
+
+ gclient revinfo --snapshot > "${TEMPFILE}"
+
+ ARGS=""
+
+ if [[ $FLAGS_substitute -eq $FLAGS_TRUE ]]; then
+ ARGS="${ARGS} -s -b ${FLAGS_base}"
+ fi
+
+ ARGS="${ARGS} ${TEMPFILE}"
+
+ "${SCRIPTS_DIR}/make_relative_solution" ${ARGS} > ${DEPFILE}
+
+ rm -f "${TEMPFILE}"
+}
+
+commit_depfile() {
+ echo "Commiting pinned DEPS file"
+
+ pushd "${DEPPATH}"
+
+ git add "${FLAGS_depfile}"
+ git commit -m "Automated buildbot update of pinned DEPS file."
+ git reset --hard HEAD
+ git clean -f
+ git remote update
+ git rebase -s ours origin/master
+ git push
+
+ popd
+}
+
+#
+# Generate a pinned deps file from the current gclient sync and check it into
+# the deps.git repository.
+#
+trap "cleanup" EXIT
+
+if [[ $FLAGS_commit -eq $FLAGS_TRUE ]]; then
+ reset_repository
+fi
+
+generate_depfile
+
+if [[ $FLAGS_commit -eq $FLAGS_TRUE ]]; then
+ commit_depfile
+fi
+
+trap - EXIT
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