bash-backup-on-steroids/git-backup.sh at main · MimoGraphix/bash-backup-on-steroids · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
#!/bin/bash

###############################################
# Configuration - Start
###############################################

REPOSITORIES=(
  "bash-backup-on-steroids::https://github.com/mimographix/bash-backup-on-steroids.git"
  "ubl-wrapper::https://github.com/uctoplus/ubl-wrapper.git"
#  "directory2::/srv/application/storage"
  # use :: as a separator between file name and directory name
  # you can backup as many repositories as you want
  # dont forget to give user proper rights either by addind SSH key or username/password
)

# Directory have to be present at least for temporary creation of backup even for remote backup
BACKUP_DIR='backups'

PUBLIC_KEY= # GPG mail address or empty

# options for arguments
TEST=false
VERBOSE=false


###############################################
# Configuration - End
###############################################

usage() {
  echo "Usage: git-backup.sh
                  [ --ignore-gpg ]
                  [ --gpg <email@public.key> ]
                  [ -v | --verbose ]
                  [ -t | --test ]
                  [ -h | --help ] "
  exit 2
}

# https://www.shellscript.sh/tips/getopt/index.html
PARSED_ARGUMENTS=$(getopt -a -n alphabet -o vth: --long ignore-gpg,gpg:,verbose,test,help -- "$@")
VALID_ARGUMENTS=$?
if [ "$VALID_ARGUMENTS" != "0" ]; then
  usage
fi

eval set -- "$PARSED_ARGUMENTS"
while :; do
  case "$1" in
  --ignore-gpg)
    PUBLIC_KEY=
    shift
    ;;
  --gpg)
    PUBLIC_KEY="$2"
    shift
    ;;
  -v | --verbose)
    VERBOSE=true
    shift
    ;;
  -t | --test)
    echo "########################################################################"
    echo "# TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST"
    echo "########################################################################"
    echo ""
    TEST=true
    VERBOSE=true
    shift
    ;;
  -h | --help) usage ;;
  # -- means the end of the arguments; drop this, and break out of the while loop
  --)
    shift
    break
    ;;
  # If invalid options were passed, then getopt should have reported an error,
  # which we checked as VALID_ARGUMENTS when getopt was called...
  *)
    echo "Unexpected option: $1 - this should not happen."
    usage
    ;;
  esac
done

# kill on error
set -e

###############################################
# Functions Definitions - Start
###############################################
function log {
  TEXT="[$(date)] ${2:-INFO} $1"
  if [[ $VERBOSE == true ]]; then
    echo "$1"
  fi
  echo "$TEXT" >> "$BACKUP_DIR/last_backup.log"
}

###############################################
# Functions Definitions - End
###############################################


if [ ${#REPOSITORIES[@]} -gt 0 ]; then
  for index in "${REPOSITORIES[@]}"; do
    REPO_NAME="${index%%::*}"
    REPO_URL="${index##*::}"
    log "Start $REPO_NAME Backup"

    BACKUP_TEMP="$BACKUP_DIR/temp"

    log "Cleanup TEMP directory at: $BACKUP_TEMP"
    rm -rf "${BACKUP_TEMP}"

    log "Clone REPO"
    if [[ $TEST == false ]]; then
      git clone ${REPO_URL} ${BACKUP_TEMP}
    fi

    log "Bundle REPO"
    if [[ $TEST == false ]]; then
      git --git-dir "${BACKUP_TEMP}/.git" bundle create "${BACKUP_TEMP}/backup.bundle" --all
    fi

    if [ ! -z $PUBLIC_KEY ]; then
      log "Encrypting DB $db Backup"
      if [[ $TEST == false ]]; then
        gpg --encrypt -r $PUBLIC_KEY "${BACKUP_TEMP}/backup.bundle"

        log "Clean unencrypted version"
        rm "${BACKUP_TEMP}/backup.bundle"

        log "Copy Bundle to Backup folder"
        cp "${BACKUP_TEMP}/backup.bundle.gpg" "${BACKUP_DIR}/${DATE}-${REPO_NAME}.bundle.gpg"
      fi
    else
      log "Copy Bundle to Backup folder"
      DATE=$(date +"%F")

      if [[ $TEST == false ]]; then
        cp "${BACKUP_TEMP}/backup.bundle" "${BACKUP_DIR}/${DATE}-${REPO_NAME}.bundle"
      fi
    fi
    log "End $REPO_NAME Backup"
  done
fi