mirror of
https://gitlab.torproject.org/tpo/core/tor.git
synced 2024-11-30 15:43:32 +01:00
235 lines
7.6 KiB
Bash
Executable File
235 lines
7.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Usage: git-push-all.sh -t <test-branch-prefix> -r <remote-name> -s
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# -- <git-opts>
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# arguments:
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# -t: test branch mode: Push test branches, rather than maint and
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# release branches. Pushes the branches called prefix_029,
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# prefix_035, ... , prefix_master.
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# -r: push to remote-name, rather than $TOR_UPSTREAM_REMOTE_NAME.
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# -s: push branches whose tips match upstream maint, release, or
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# master branches. The default is to skip these branches. Use
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# -s when testing for CI environment failures with old code.
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# --: pass any other arguments to git, rather than the script.
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# env vars:
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# TOR_GIT_PUSH: the git push command and arguments
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# TOR_UPSTREAM_REMOTE_NAME: the default upstream, overridden by -r
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# TOR_PUSH_DELAY: pushes the master and maint branches separately,
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# so that CI runs in a sensible order.
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# TOR_PUSH_SAME: push branches whose tips match upstream maint,
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# release, or master branches. Inverted by -s.
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# See the Configuration section for env var default values.
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# git-opts:
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# --no-atomic --dry-run (and any other git push option)
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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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# 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=${TOR_PUSH_DELAY:-0}
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# Push (1) or skip (0) test branches that are the same as an upstream
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# maint/master branch. Push if you are testing that the CI environment still
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# works on old code, skip if you are testing new code in the branch.
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# Default: skip unchanged branches.
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# Inverted by the -s option.
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PUSH_SAME=${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 base
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# name option makes git-merge-forward.sh create new test branches:
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# <tbbn>_029, <tbbn>_035, ... , <tbbn>_master, and merge forward.
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TEST_BRANCH_PREFIX=
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while getopts ":r:st:" opt; do
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case "$opt" in
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r) UPSTREAM_REMOTE="$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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# Assume we're done with script arguments,
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# and git push will handle the option
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break
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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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echo "Calling $GIT_PUSH" "$@" "<branches>"
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if [ "$TEST_BRANCH_PREFIX" ]; then
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if [ "$UPSTREAM_REMOTE" = "${TOR_UPSTREAM_REMOTE_NAME:-upstream}" ]; then
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echo "Pushing test branches ${TEST_BRANCH_PREFIX}_nnn to " \
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"$UPSTREAM_REMOTE is not allowed."
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echo "Usage: $0 -r <remote-name> -t <test-branch-prefix> <git-opts>"
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exit 1
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fi
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fi
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################################
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# Git upstream remote branches #
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################################
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DEFAULT_UPSTREAM_BRANCHES=
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if [ "$DEFAULT_UPSTREAM_REMOTE" != "$UPSTREAM_REMOTE" ]; then
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DEFAULT_UPSTREAM_BRANCHES=$(echo \
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"$DEFAULT_UPSTREAM_REMOTE"/master \
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"$DEFAULT_UPSTREAM_REMOTE"/{release,maint}-0.4.1 \
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"$DEFAULT_UPSTREAM_REMOTE"/{release,maint}-0.4.0 \
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"$DEFAULT_UPSTREAM_REMOTE"/{release,maint}-0.3.5 \
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"$DEFAULT_UPSTREAM_REMOTE"/{release,maint}-0.2.9 \
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)
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fi
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UPSTREAM_BRANCHES=$(echo \
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"$UPSTREAM_REMOTE"/master \
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"$UPSTREAM_REMOTE"/{release,maint}-0.4.1 \
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"$UPSTREAM_REMOTE"/{release,maint}-0.4.0 \
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"$UPSTREAM_REMOTE"/{release,maint}-0.3.5 \
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"$UPSTREAM_REMOTE"/{release,maint}-0.2.9 \
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)
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########################
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# Git branches to push #
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########################
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PUSH_BRANCHES=$(echo \
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master \
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{release,maint}-0.4.1 \
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{release,maint}-0.4.0 \
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{release,maint}-0.3.5 \
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{release,maint}-0.2.9 \
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)
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if [ -z "$TEST_BRANCH_PREFIX" ]; then
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# maint/release push mode
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#
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# List of branches to push. Ordering is not important.
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PUSH_BRANCHES=$(echo \
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master \
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{release,maint}-0.4.1 \
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{release,maint}-0.4.0 \
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{release,maint}-0.3.5 \
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{release,maint}-0.2.9 \
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)
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else
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# Test branch mode: merge to maint only, and create a new branch for 0.2.9
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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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${TEST_BRANCH_PREFIX}_master \
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${TEST_BRANCH_PREFIX}_041 \
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${TEST_BRANCH_PREFIX}_040 \
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${TEST_BRANCH_PREFIX}_035 \
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${TEST_BRANCH_PREFIX}_029 \
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"
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fi
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###############
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# Entry point #
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###############
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# Skip the test branches that are the same as the upstream branches
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if [ "$PUSH_SAME" -eq 0 ] && [ "$TEST_BRANCH_PREFIX" ]; 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 $DEFAULT_UPSTREAM_BRANCHES $UPSTREAM_BRANCHES; do
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UPSTREAM_COMMIT=$(git rev-parse "$u")
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if [ "$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 [ "$SKIP_UPSTREAM" ]; then
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printf "Skipping unchanged: %s remote: %s\n" \
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"$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_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 "$PUSH_BRANCHES" | tr " " "\n" | grep master)
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if [ -z "$TEST_BRANCH_PREFIX" ]; then
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MAINT_BRANCHES=$(echo "$PUSH_BRANCHES" | tr " " "\n" | grep maint)
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RELEASE_BRANCHES=$(echo "$PUSH_BRANCHES" | tr " " "\n" | grep release | \
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tr "\n" " ")
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printf "Pushing with %ss delays, so CI runs in this order:\n%s\n%s\n%s\n" \
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"$PUSH_DELAY" "$MASTER_BRANCH" "$MAINT_BRANCHES" "$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 master)
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printf "Pushing with %ss delays, so CI runs in this order:\n%s\n%s\n" \
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"$PUSH_DELAY" "$MASTER_BRANCH" "$MAINT_BRANCHES"
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# No release branches
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RELEASE_BRANCHES=
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fi
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$GIT_PUSH "$@" "$UPSTREAM_REMOTE" "$MASTER_BRANCH"
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sleep "$PUSH_DELAY"
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# shellcheck disable=SC2086
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for b in $MAINT_BRANCHES; do
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$GIT_PUSH "$@" "$UPSTREAM_REMOTE" "$b"
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sleep "$PUSH_DELAY"
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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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