mirror of
https://gitlab.torproject.org/tpo/core/tor.git
synced 2024-11-30 15:43:32 +01:00
268 lines
6.7 KiB
Bash
Executable File
268 lines
6.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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SCRIPT_NAME=$(basename "$0")
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function usage()
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{
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echo "$SCRIPT_NAME [-h] [-n]"
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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
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echo " env vars:"
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echo " required:"
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echo " TOR_FULL_GIT_PATH: where the git repository directories reside."
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echo " You must set this env var, we recommend \$HOME/git/"
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echo " (default: fail if this env var is not set;"
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echo " current: $GIT_PATH)"
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echo
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echo " optional:"
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echo " TOR_MASTER: the name of the directory containing the tor.git clone"
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echo " The tor master git directory is \$GIT_PATH/\$TOR_MASTER"
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echo " (default: tor; current: $TOR_MASTER_NAME)"
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echo " TOR_WKT_NAME: the name of the directory containing the tor"
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echo " worktrees. The tor worktrees are:"
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echo " \$GIT_PATH/\$TOR_WKT_NAME/{maint-*,release-*}"
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echo " (default: tor-wkt; current: $TOR_WKT_NAME)"
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echo " we recommend that you set these env vars in your ~/.profile"
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}
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#################
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# Configuration #
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#################
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# Don't change this configuration - set the env vars in your .profile
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# Where are all those git repositories?
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GIT_PATH=${TOR_FULL_GIT_PATH:-"FULL_PATH_TO_GIT_REPOSITORY_DIRECTORY"}
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# The tor master git repository directory from which all the worktree have
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# been created.
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TOR_MASTER_NAME=${TOR_MASTER_NAME:-"tor"}
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# The worktrees location (directory).
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TOR_WKT_NAME=${TOR_WKT_NAME:-"tor-wkt"}
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##########################
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# Git branches to manage #
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##########################
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# Configuration of the branches that need pulling. The values are in order:
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# (1) Branch name to pull (update).
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# (2) Full path of the git worktree.
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#
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# As an example:
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# $ cd <PATH/TO/WORKTREE> (3)
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# $ git checkout maint-0.3.5 (1)
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# $ git pull
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#
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# First set of arrays are the maint-* branch and then the release-* branch.
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# New arrays need to be in the WORKTREE= array else they aren't considered.
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MAINT_029=( "maint-0.2.9" "$GIT_PATH/$TOR_WKT_NAME/maint-0.2.9" )
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MAINT_035=( "maint-0.3.5" "$GIT_PATH/$TOR_WKT_NAME/maint-0.3.5" )
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MAINT_040=( "maint-0.4.0" "$GIT_PATH/$TOR_WKT_NAME/maint-0.4.0" )
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MAINT_041=( "maint-0.4.1" "$GIT_PATH/$TOR_WKT_NAME/maint-0.4.1" )
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MAINT_042=( "maint-0.4.2" "$GIT_PATH/$TOR_WKT_NAME/maint-0.4.2" )
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MAINT_MASTER=( "master" "$GIT_PATH/$TOR_MASTER_NAME" )
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RELEASE_029=( "release-0.2.9" "$GIT_PATH/$TOR_WKT_NAME/release-0.2.9" )
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RELEASE_035=( "release-0.3.5" "$GIT_PATH/$TOR_WKT_NAME/release-0.3.5" )
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RELEASE_040=( "release-0.4.0" "$GIT_PATH/$TOR_WKT_NAME/release-0.4.0" )
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RELEASE_041=( "release-0.4.1" "$GIT_PATH/$TOR_WKT_NAME/release-0.4.1" )
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RELEASE_042=( "release-0.4.2" "$GIT_PATH/$TOR_WKT_NAME/release-0.4.2" )
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# The master branch path has to be the main repository thus contains the
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# origin that will be used to fetch the updates. All the worktrees are created
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# from that repository.
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ORIGIN_PATH="$GIT_PATH/$TOR_MASTER_NAME"
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# SC2034 -- shellcheck thinks that these are unused. We know better.
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ACTUALLY_THESE_ARE_USED=<<EOF
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${MAINT_029[0]}
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${MAINT_035[0]}
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${MAINT_040[0]}
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${MAINT_041[0]}
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${MAINT_042[0]}
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${MAINT_MASTER[0]}
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${RELEASE_029[0]}
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${RELEASE_035[0]}
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${RELEASE_040[0]}
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${RELEASE_041[0]}
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${RELEASE_042[0]}
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EOF
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###########################
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# Git worktrees to manage #
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###########################
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# List of all worktrees to work on. All defined above. Ordering is important.
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# Always the maint-* branch first then the release-*.
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WORKTREE=(
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MAINT_029[@]
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RELEASE_029[@]
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MAINT_035[@]
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RELEASE_035[@]
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MAINT_040[@]
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RELEASE_040[@]
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MAINT_041[@]
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RELEASE_041[@]
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MAINT_042[@]
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RELEASE_042[@]
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MAINT_MASTER[@]
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)
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COUNT=${#WORKTREE[@]}
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#######################
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# Argument processing #
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#######################
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# Controlled by the -n option. The dry run option will just output the command
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# that would have been executed for each worktree.
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DRY_RUN=0
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while getopts "hn" opt; do
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case "$opt" in
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h) usage
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exit 0
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;;
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n) DRY_RUN=1
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echo " *** DRY DRUN MODE ***"
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;;
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*)
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echo
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usage
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exit 1
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;;
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esac
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done
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#############
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# Constants #
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#############
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# Control characters
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CNRM=$'\x1b[0;0m' # Clear color
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# Bright color
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BGRN=$'\x1b[1;32m'
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BBLU=$'\x1b[1;34m'
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BRED=$'\x1b[1;31m'
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BYEL=$'\x1b[1;33m'
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IWTH=$'\x1b[3;37m'
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# Strings for the pretty print.
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MARKER="${BBLU}[${BGRN}+${BBLU}]${CNRM}"
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SUCCESS="${BGRN}ok${CNRM}"
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FAILED="${BRED}failed${CNRM}"
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####################
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# Helper functions #
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####################
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# Validate the given returned value (error code), print success or failed. The
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# second argument is the error output in case of failure, it is printed out.
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# On failure, this function exits.
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function validate_ret
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{
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if [ "$1" -eq 0 ]; then
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printf "%s\\n" "$SUCCESS"
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else
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printf "%s\\n" "$FAILED"
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printf " %s" "$2"
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exit 1
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fi
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}
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# Switch to the given branch name.
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function switch_branch
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{
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local cmd="git checkout $1"
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printf " %s Switching branch to %s..." "$MARKER" "$1"
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if [ $DRY_RUN -eq 0 ]; then
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msg=$( eval "$cmd" 2>&1 )
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validate_ret $? "$msg"
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else
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printf "\\n %s\\n" "${IWTH}$cmd${CNRM}"
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fi
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}
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# Pull the given branch name.
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function merge_branch
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{
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local cmd="git merge --ff-only origin/$1"
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printf " %s Merging branch origin/%s..." "$MARKER" "$1"
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if [ $DRY_RUN -eq 0 ]; then
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msg=$( eval "$cmd" 2>&1 )
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validate_ret $? "$msg"
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else
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printf "\\n %s\\n" "${IWTH}$cmd${CNRM}"
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fi
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}
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# Go into the worktree repository.
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function goto_repo
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{
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if [ ! -d "$1" ]; then
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echo " $1: Not found. Stopping."
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exit 1
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fi
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cd "$1" || exit
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}
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# Fetch the origin. No arguments.
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function fetch_origin
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{
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local cmd="git fetch origin"
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printf " %s Fetching origin..." "$MARKER"
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if [ $DRY_RUN -eq 0 ]; then
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msg=$( eval "$cmd" 2>&1 )
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validate_ret $? "$msg"
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else
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printf "\\n %s\\n" "${IWTH}$cmd${CNRM}"
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fi
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}
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# Fetch tor-github pull requests. No arguments.
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function fetch_tor_github
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{
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local cmd="git fetch tor-github"
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printf " %s Fetching tor-github..." "$MARKER"
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if [ $DRY_RUN -eq 0 ]; then
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msg=$( eval "$cmd" 2>&1 )
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validate_ret $? "$msg"
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else
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printf "\\n %s\\n" "${IWTH}$cmd${CNRM}"
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fi
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}
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###############
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# Entry point #
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###############
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# First, fetch tor-github.
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goto_repo "$ORIGIN_PATH"
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fetch_tor_github
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# Then, fetch the origin.
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fetch_origin
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# Go over all configured worktree.
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for ((i=0; i<COUNT; i++)); do
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current=${!WORKTREE[$i]:0:1}
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repo_path=${!WORKTREE[$i]:1:1}
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printf "%s Handling branch %s\\n" "$MARKER" "${BYEL}$current${CNRM}"
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# Go into the worktree to start merging.
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goto_repo "$repo_path"
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# Checkout the current branch
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switch_branch "$current"
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# Update the current branch by merging the origin to get the latest.
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merge_branch "$current"
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done
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