git-debug

#!/usr/bin/env bash
set -euo pipefail

YP_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
source ${YP_DIR}/sh/common.inc.sh

#- git-debug 1.0
## Usage: git-debug [OPTION] -- GIT_COMMAND ARGS...
## Debug execution of a git command.
## Verbosely by default. SSH and tracing can be optionally enabled.
##
##   --curl
##   --curl v
##   --curl vv
##   --fsmonitor
##   --no-redact
##   --packet
##   --pack-access
##   --performance
##   --refs
##   --setup
##   --shallow
##   --trace
##
##   --ssh
##   --ssh v
##   --ssh vv
##   --ssh vvv
##
##   --trace2
##   --trace2-event
##   --trace2-perf
##
##   -h, --help     Display this help and exit
##   -v, --version  Output version information and exit

GIT_SSH_COMMAND=

export GIT_TRACE=false
export GIT_TRACE_CURL=false
export GIT_TRACE_CURL_NO_DATA=true
export GIT_TRACE_FSMONITOR=false
export GIT_TRACE_PACKET=false
export GIT_TRACE_PACK_ACCESS=false
export GIT_TRACE_PERFORMANCE=false
export GIT_TRACE_REDACT=1
export GIT_TRACE_REFS=false
export GIT_TRACE_SETUP=false
export GIT_TRACE_SHALLOW=false

export GIT_TRACE2=false
export GIT_TRACE2_EVENT=false
export GIT_TRACE2_PERF=false

if { getopt --test >/dev/null 2>&1 && false; } || [[ "$?" = "4" ]] || false; then
    ARGS=$(getopt -o hv -l help,version,curl::,fsmonitor,no-redact,packet,pack-access,performance,refs,setup,shallow,ssh::,trace,trace2,trace2-event,trace2-perf, -n $(basename ${BASH_SOURCE[0]}) -- "$@") || sh_script_usage # editorconfig-checker-disable-line
    eval set -- "${ARGS}"
fi

while [[ $# -gt 0 ]]; do
    case "$1" in
        --curl)
            GIT_TRACE=true
            GIT_TRACE_CURL=true
            case $2 in
                v)
                    shift 2
                    ;;
                vv)
                    GIT_TRACE_CURL_NO_DATA=false
                    shift 2
                    ;;
                *)
                    shift
                    ;;
            esac
            ;;
        --fsmonitor)
            GIT_TRACE=true
            GIT_TRACE_FSMONITOR=true
            shift
            ;;
        --no-redact)
            GIT_TRACE_REDACT=0
            shift
            ;;
        --packet)
            GIT_TRACE=true
            GIT_TRACE_PACKET=true
            shift
            ;;
        --pack-access)
            GIT_TRACE=true
            GIT_TRACE_PACK_ACCESS=true
            shift
            ;;
        --performance)
            GIT_TRACE=true
            GIT_TRACE_PERFORMANCE=true
            shift
            ;;
        --refs)
            GIT_TRACE=true
            GIT_TRACE_REFS=true
            shift
            ;;
        --setup)
            GIT_TRACE=true
            GIT_TRACE_SETUP=true
            shift
            ;;
        --shallow)
            GIT_TRACE=true
            GIT_TRACE_SHALLOW=true
            shift
            ;;
        --ssh)
            export GIT_SSH_COMMAND="ssh -v"
            case $2 in
                v|vv|vvv)
                    export GIT_SSH_COMMAND="ssh -$2"
                    shift 2
                    ;;
                *)
                    shift
                    ;;
            esac
            ;;
        --trace)
            GIT_TRACE=true
            shift
            ;;
        --trace2)
            GIT_TRACE2=true
            shift
            ;;
        --trace2-event)
            GIT_TRACE2=true
            GIT_TRACE2_EVENT=true
            shift
            ;;
        --trace2-perf)
            GIT_TRACE2=true
            GIT_TRACE2_PERF=true
            shift
            ;;
        -h|--help)
            sh_script_usage
            ;;
        -v|--version)
            sh_script_version
            ;;
        --)
            shift
            break
            ;;
        -*)
            sh_script_usage
            ;;
        *)
            break
            ;;
    esac
done
# [[ $# -eq 0 ]] || sh_script_usage

GIT_ENV="$(printenv | grep -e "^GIT_TRACE=" -e "^GIT_TRACE_" -e "^GIT_SSH_COMMAND=" | tr "\n" " ")"
echo_info "${GIT_ENV} git $1 -v ${*:2}"
git $1 -v "${@:2}"