mirror of
https://gitlab.torproject.org/tpo/core/tor.git
synced 2024-09-21 13:34:59 +02:00
22552ad88e
When talking about the "master" Tor checkout, we now refer to it as "the primary Tor repository". The "master" branch is instead called "main". See: tpo/core/team#2.
310 lines
11 KiB
Bash
Executable File
310 lines
11 KiB
Bash
Executable File
#!/usr/bin/env bash
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SCRIPT_NAME=$(basename "$0")
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function usage()
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{
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if [ "$TOR_PUSH_SAME" ]; then
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CURRENT_PUSH_SAME="push"
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else
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CURRENT_PUSH_SAME="skip"
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fi
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echo "$SCRIPT_NAME [-h] [-r <remote-name> [-t <test-branch-prefix>]] [-s]"
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# The next line looks misaligned, but it lines up in the output
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echo " [-- [-n] [--no-atomic] <git push options>]"
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echo
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echo " arguments:"
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echo " -h: show this help text"
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echo " -n: dry run mode"
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echo " (default: run commands)"
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echo " -r: push to remote-name, rather than the default upstream remote."
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echo " (default: $DEFAULT_UPSTREAM_REMOTE, current: $UPSTREAM_REMOTE)"
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echo " -t: test branch mode: push test branches to remote-name. Pushes"
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echo " branches prefix_035, prefix_040, ... , prefix_main."
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echo " (default: push maint-*, release-*, and main)"
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echo " -s: push branches whose tips match upstream maint, release, or"
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echo " main branches. The default is to skip these branches,"
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echo " because they do not contain any new code. Use -s to test for"
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echo " CI environment failures, using code that previously passed CI."
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echo " (default: skip; current: $CURRENT_PUSH_SAME matching branches)"
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echo " --: pass further arguments to git push."
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echo " All unrecognised arguments are passed to git push, but complex"
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echo " arguments before -- may be mangled by getopt."
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echo " (default: git push --atomic, current: $GIT_PUSH)"
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echo
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echo " env vars:"
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echo " optional:"
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echo " TOR_GIT_PUSH_PATH: change to this directory before pushing."
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echo " (default: if \$TOR_FULL_GIT_PATH is set,"
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echo " use \$TOR_FULL_GIT_PATH/\$TOR_MASTER;"
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echo " Otherwise, use the current directory for pushes;"
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echo " current: $TOR_GIT_PUSH_PATH)"
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echo " TOR_FULL_GIT_PATH: where the git repository directories reside."
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echo " We recommend using \$HOME/git/."
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echo " (default: use the current directory for pushes;"
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echo " current: $TOR_FULL_GIT_PATH)"
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echo " TOR_MASTER: the name of the directory containing the tor.git clone"
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echo " The primary tor git directory is \$GIT_PATH/\$TOR_MASTER"
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echo " (default: tor; current: $TOR_MASTER_NAME)"
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echo
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echo " TOR_UPSTREAM_REMOTE_NAME: the default upstream remote."
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echo " Overridden by -r."
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echo " (default: upstream; current: $UPSTREAM_REMOTE)"
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echo " TOR_GIT_PUSH: the git push command and default arguments."
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echo " Overridden by <git push options> after --."
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echo " (default: git push --atomic; current: $GIT_PUSH)"
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echo " TOR_PUSH_SAME: push branches whose tips match upstream maint,"
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echo " release, or main branches. Inverted by -s."
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echo " (default: skip; current: $CURRENT_PUSH_SAME matching branches)"
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echo " TOR_PUSH_DELAY: pushes the main and maint branches separately,"
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echo " so that CI runs in a sensible order."
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echo " (default: push all branches immediately; current: $PUSH_DELAY)"
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echo " we recommend that you set these env vars in your ~/.profile"
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}
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set -e
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#################
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# Configuration #
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#################
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# Don't change this configuration - set the env vars in your .profile
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#
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# The primary tor git repository directory from which all the worktree have
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# been created.
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TOR_MASTER_NAME=${TOR_MASTER_NAME:-"tor"}
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# Which directory do we push from?
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if [ "$TOR_FULL_GIT_PATH" ]; then
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TOR_GIT_PUSH_PATH=${TOR_GIT_PUSH_PATH:-"$TOR_FULL_GIT_PATH/$TOR_MASTER_NAME"}
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fi
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# git push command and default arguments
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GIT_PUSH=${TOR_GIT_PUSH:-"git push --atomic"}
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# The upstream remote which git.torproject.org/tor.git points to.
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DEFAULT_UPSTREAM_REMOTE=${TOR_UPSTREAM_REMOTE_NAME:-"upstream"}
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# Push to a different upstream remote using -r <remote-name>
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UPSTREAM_REMOTE=${DEFAULT_UPSTREAM_REMOTE}
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# Add a delay between pushes, so CI runs on the most important branches first
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PUSH_DELAY=${TOR_PUSH_DELAY:-0}
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# Push (1) or skip (0) test branches that are the same as an upstream
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# maint/main branch. Push if you are testing that the CI environment still
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# works on old code, skip if you are testing new code in the branch.
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# Default: skip unchanged branches.
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# Inverted by the -s option.
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PUSH_SAME=${TOR_PUSH_SAME:-0}
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#######################
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# Argument processing #
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#######################
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# Controlled by the -t <test-branch-prefix> option. The test branch prefix
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# option makes git-merge-forward.sh create new test branches:
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# <tbp>_035, <tbp>_040, ... , <tbp>_main, and merge each branch forward into
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# the next one.
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TEST_BRANCH_PREFIX=
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while getopts ":hr:st:" opt; do
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case "$opt" in
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h) usage
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exit 0
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;;
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r) UPSTREAM_REMOTE="$OPTARG"
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echo " *** PUSHING TO REMOTE: ${UPSTREAM_REMOTE} ***"
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shift
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shift
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OPTIND=$((OPTIND - 2))
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;;
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s) PUSH_SAME=$((! PUSH_SAME))
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if [ "$PUSH_SAME" -eq 0 ]; then
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echo " *** SKIPPING UNCHANGED TEST BRANCHES ***"
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else
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echo " *** PUSHING UNCHANGED TEST BRANCHES ***"
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fi
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shift
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OPTIND=$((OPTIND - 1))
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;;
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t) TEST_BRANCH_PREFIX="$OPTARG"
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echo " *** PUSHING TEST BRANCHES: ${TEST_BRANCH_PREFIX}_nnn ***"
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shift
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shift
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OPTIND=$((OPTIND - 2))
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;;
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*)
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# Make git push handle the option
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# This might mangle options with spaces, use -- for complex options
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GIT_PUSH="$GIT_PUSH $1"
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shift
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OPTIND=$((OPTIND - 1))
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;;
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esac
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done
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# getopts doesn't allow "-" as an option character,
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# so we have to handle -- manually
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if [ "$1" = "--" ]; then
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shift
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fi
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if [ "$TEST_BRANCH_PREFIX" ]; then
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if [ "$UPSTREAM_REMOTE" = "$DEFAULT_UPSTREAM_REMOTE" ]; then
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echo "Pushing test branches ${TEST_BRANCH_PREFIX}_nnn to " \
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"the default remote $DEFAULT_UPSTREAM_REMOTE is not allowed."
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echo
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usage
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exit 1
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fi
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fi
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if [ "$TOR_GIT_PUSH_PATH" ]; then
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echo "Changing to $TOR_GIT_PUSH_PATH before pushing"
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cd "$TOR_GIT_PUSH_PATH"
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else
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echo "Pushing from the current directory"
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fi
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echo "Calling $GIT_PUSH" "$@" "<branches>"
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################################
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# Git upstream remote branches #
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################################
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set -e
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DEFAULT_UPSTREAM_BRANCHES=
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if [ "$DEFAULT_UPSTREAM_REMOTE" != "$UPSTREAM_REMOTE" ]; then
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for br in $(git-list-tor-branches.sh -l); do
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DEFAULT_UPSTREAM_BRANCHES="${DEFAULT_UPSTREAM_BRANCHES} ${DEFAULT_UPSTREAM_REMOTE}/${br}"
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done
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fi
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UPSTREAM_BRANCHES=
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for br in $(git-list-tor-branches.sh -l); do
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UPSTREAM_BRANCHES="${UPSTREAM_BRANCHES} ${UPSTREAM_REMOTE}/${br}"
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done
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########################
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# Git branches to push #
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########################
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if [ -z "$TEST_BRANCH_PREFIX" ]; then
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# maint/release push mode: push all branches.
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#
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# List of branches to push. Ordering is not important.
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PUSH_BRANCHES="$(git-list-tor-branches.sh -l)"
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else
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# Test branch push mode: push test branches, based on each maint branch.
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#
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# List of branches to push. Ordering is not important.
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PUSH_BRANCHES=""
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for suffix in $(git-list-tor-branches.sh -s -R); do
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PUSH_BRANCHES="${PUSH_BRANCHES} ${TEST_BRANCH_PREFIX}${suffix}"
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done
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fi
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set +e
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###############
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# Entry point #
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###############
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if [ "$TEST_BRANCH_PREFIX" ]; then
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# Skip the test branches that are the same as the default or current
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# upstream branches (they have already been tested)
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UPSTREAM_SKIP_SAME_AS="$UPSTREAM_BRANCHES $DEFAULT_UPSTREAM_BRANCHES"
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else
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# Skip the local maint-*, release-*, main branches that are the same as the
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# current upstream branches, but ignore the default upstream
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# (we want to update a non-default remote, even if it matches the default)
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UPSTREAM_SKIP_SAME_AS="$UPSTREAM_BRANCHES"
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fi
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# Skip branches that match the relevant upstream(s)
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if [ "$PUSH_SAME" -eq 0 ]; then
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NEW_PUSH_BRANCHES=
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for b in $PUSH_BRANCHES; do
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PUSH_COMMIT=$(git rev-parse "$b")
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SKIP_UPSTREAM=
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for u in $UPSTREAM_SKIP_SAME_AS; do
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# Skip the branch check on error
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UPSTREAM_COMMIT=$(git rev-parse "$u" 2>/dev/null) || continue
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if [ "$PUSH_COMMIT" = "$UPSTREAM_COMMIT" ]; then
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SKIP_UPSTREAM="$u"
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fi
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done
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if [ "$SKIP_UPSTREAM" ]; then
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printf "Skipping unchanged: %s matching remote: %s\\n" \
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"$b" "$SKIP_UPSTREAM"
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else
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if [ "$NEW_PUSH_BRANCHES" ]; then
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NEW_PUSH_BRANCHES="${NEW_PUSH_BRANCHES} ${b}"
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else
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NEW_PUSH_BRANCHES="${b}"
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fi
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fi
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done
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PUSH_BRANCHES=${NEW_PUSH_BRANCHES}
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fi
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if [ ! "$PUSH_BRANCHES" ]; then
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echo "No branches to push!"
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# We expect the rest of the script to run without errors, even if there
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# are no branches
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fi
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if [ "$PUSH_DELAY" -le 0 ]; then
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echo "Pushing $PUSH_BRANCHES"
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# We know that there are no spaces in any branch within $PUSH_BRANCHES, so
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# it is safe to use it unquoted. (This also applies to the other shellcheck
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# exceptions below.)
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#
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# Push all the branches at the same time
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# shellcheck disable=SC2086
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$GIT_PUSH "$@" "$UPSTREAM_REMOTE" $PUSH_BRANCHES
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else
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# Push the branches in optimal CI order, with a delay between each push
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PUSH_BRANCHES=$(echo "$PUSH_BRANCHES" | tr " " "\\n" | sort -V)
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MASTER_BRANCH=$(echo "$PUSH_BRANCHES" | tr " " "\\n" | grep main$) \
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|| true # Skipped main branch
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if [ -z "$TEST_BRANCH_PREFIX" ]; then
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MAINT_BRANCHES=$(echo "$PUSH_BRANCHES" | tr " " "\\n" | grep maint) \
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|| true # Skipped all maint branches
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RELEASE_BRANCHES=$(echo "$PUSH_BRANCHES" | tr " " "\\n" | grep release | \
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tr "\\n" " ") || true # Skipped all release branches
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else
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# Actually test branches based on maint branches
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MAINT_BRANCHES=$(echo "$PUSH_BRANCHES" | tr " " "\\n" | grep -v main$) \
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|| true # Skipped all maint test branches
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# No release branches
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RELEASE_BRANCHES=
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fi
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if [ "$MASTER_BRANCH" ] || [ "$MAINT_BRANCHES" ] \
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|| [ "$RELEASE_BRANCHES" ]; then
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printf "Pushing with %ss delays, so CI runs in this order:\\n" \
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"$PUSH_DELAY"
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if [ "$MASTER_BRANCH" ]; then
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printf "%s\\n" "$MASTER_BRANCH"
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fi
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if [ "$MAINT_BRANCHES" ]; then
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printf "%s\\n" "$MAINT_BRANCHES"
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fi
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if [ "$RELEASE_BRANCHES" ]; then
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printf "%s\\n" "$RELEASE_BRANCHES"
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fi
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fi
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# shellcheck disable=SC2086
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for b in $MASTER_BRANCH $MAINT_BRANCHES; do
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$GIT_PUSH "$@" "$UPSTREAM_REMOTE" "$b"
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# If we are pushing more than one branch, delay. In the unlikely scenario
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# where we are pushing maint branches without the main branch, or maint
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# without release, there may be an extra delay
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if [ "$MAINT_BRANCHES" ] || [ "$RELEASE_BRANCHES" ]; then
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sleep "$PUSH_DELAY"
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fi
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done
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if [ "$RELEASE_BRANCHES" ]; then
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# shellcheck disable=SC2086
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$GIT_PUSH "$@" "$UPSTREAM_REMOTE" $RELEASE_BRANCHES
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fi
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fi
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