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109 lines
2.2 KiB
Bash
109 lines
2.2 KiB
Bash
#!/bin/bash
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# Copyright (c) 2012 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# A convenience script to largely replicate the behavior of `gclient sync` in a
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# submodule-based checkout. Fetches latest commits for top-level solutions;
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# updates submodules; and runs post-sync hooks.
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j=10
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ECHO=
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pull=pull
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pull_args=
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hooks=yes
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if ( echo test | xargs --max-lines=1 true 2>/dev/null ); then
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max_lines="--max-lines=1"
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else
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max_lines="-L 1"
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fi
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usage() {
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cat <<EOF 1>&2
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Usage: git-crup [-n|--dry-run] [--fetch] [-j|--jobs [jobs]]
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[--no-hooks] [<args to git-pull or git-fetch>]
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EOF
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}
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parallel_update() {
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( echo Entering "$1"
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cd "$1"
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$ECHO git $pull $pull_args origin
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$ECHO git submodule sync
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if test "$xargs_parallel" = "yes"; then
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git ls-files -s | grep ^160000 | awk '{print $4}' |
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xargs $max_lines -P "$j" $ECHO git submodule update --init
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else
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$ECHO git submodule update --init
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fi )
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}
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while test $# -ne 0; do
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case "$1" in
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-j[0-9]*)
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j=$(echo "$1" | cut -c3-)
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;;
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--jobs=[0-9]*)
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j=$(echo "$1" | cut -c8-)
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;;
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-j|--jobs)
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case "$2" in
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''|-*)
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j=0
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;;
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*)
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j="$2"
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shift
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;;
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esac
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;;
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-n|--dry-run)
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ECHO=echo
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;;
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-h|--help)
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usage
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exit 0
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;;
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--fetch)
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pull=fetch
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;;
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--no-hooks)
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hooks=no
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;;
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*)
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pull_args="$pull_args $1"
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break
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;;
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esac
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shift
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done
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while test "$PWD" != "/"; do
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if test -f "$PWD/src/.gitmodules"; then
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break
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fi
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cd ..
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done
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if test "$PWD" = "/"; then
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echo "Could not find the root of your checkout; aborting." 1>&2
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exit 1
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fi
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if ( echo test test | xargs -P 2 true 2>/dev/null ); then
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xargs_parallel=yes
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else
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if test "$j" != "1"; then
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echo "Warning: parallel execution is not supported on this platform." 1>&2
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fi
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xargs_parallel=no
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fi
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ls -d */.git |
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while read gitdir; do
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parallel_update `dirname $gitdir`
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done
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gclient_spec="solutions=[{'name':'src','url':None,'deps_file':'.DEPS.git'}]"
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test "$hooks" = "yes" && gclient runhooks --spec="$gclient_spec"
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