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maintainer-scripts: Speed up git clone in gcc_release 

When doing the 8.4-rc1, I've noticed (probably also because of the dying
disk on sourceware) that git clone is extremely slow, and furthermore when
all of us have some local snapshots, it is a waste of resources to download
everything again.  Especially for the -f runs when we'll need to wait until
git tag -s asks us for a gpg password interactively.

The following patch adds an option through which one can point the script
at a local gcc .git directory from which it can --dissociate --reference ...
during cloning to speed it up.

2020-02-27  Jakub Jelinek  <jakub@redhat.com>

	* gcc_release: Add support for -b local-git-repo argument.
This commit is contained in:
Jakub Jelinek 2020-02-27 09:38:12 +01:00
parent 7b20c8645a
commit f33d2797d4
2 changed files with 19 additions and 4 deletions
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4
maintainer-scripts/ChangeLog
View File

@ -1,3 +1,7 @@
2020-02-27 Jakub Jelinek <jakub@redhat.com>
* gcc_release: Add support for -b local-git-repo argument.
2020-01-13 Joseph Myers <joseph@codesourcery.com>
Backport:

19
maintainer-scripts/gcc_release
View File

@ -9,7 +9,7 @@
# Contents:
# Script to create a GCC release.
#
# Copyright (c) 2001-2018 Free Software Foundation.
# Copyright (c) 2001-2020 Free Software Foundation.
#
# This file is part of GCC.
#
@ -78,6 +78,7 @@ Options:
-p previous-tarball Location of a previous tarball (to generate diff files).
-t tag Tag to mark the release in git.
-u username Username for upload operations.
-b local-git-repo Local git repository to speed up cloning.
EOF
exit 1
}
@ -103,8 +104,14 @@ build_sources() {
changedir "${WORKING_DIRECTORY}"
# Check out the sources.
${GIT} clone -q -b "${GITBRANCH}" "${GITROOT}" "`basename ${SOURCE_DIRECTORY}`" || \
error "Could not check out release sources"
if [ -n "${GIT_REFERENCE}" ]; then
${GIT} clone -q --dissociate --reference "${GIT_REFERENCE}" \
-b "${GITBRANCH}" "${GITROOT}" "`basename ${SOURCE_DIRECTORY}`" || \
error "Could not check out release sources"
else
${GIT} clone -q -b "${GITBRANCH}" "${GITROOT}" "`basename ${SOURCE_DIRECTORY}`" || \
error "Could not check out release sources"
fi
# If this is a final release, make sure that the ChangeLogs
# and version strings are updated.
@ -567,6 +574,9 @@ TAG=""
# The old tarballs from which to generate diffs.
OLD_TARS=""
# Local gcc git checkout to speed up git cloning.
GIT_REFERENCE=""
# The directory that will be used to construct the release. The
# release itself will be placed in a subdirectory of this directory.
DESTINATION=${HOME}
@ -613,7 +623,7 @@ TAR="${TAR:-tar}"
########################################################################
# Parse the options.
while getopts "d:fr:u:t:p:s:l" ARG; do
while getopts "d:fr:u:t:p:s:lb:" ARG; do
case $ARG in
d) DESTINATION="${OPTARG}";;
r) RELEASE="${OPTARG}";;
@ -631,6 +641,7 @@ while getopts "d:fr:u:t:p:s:l" ARG; do
if [ ! -f ${OPTARG} ]; then
error "-p argument must name a tarball"
fi;;
b) GIT_REFERENCE="${OPTARG}";;
\?) usage;;
esac
done