bpkg/setup.sh at master · mrjk/bpkg · 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
#!/bin/bash
#
# #             #
# #mmm   mmmm   #   m   mmmm
# #" "#  #" "#  # m"   #" "#
# #   #  #   #  #"#    #   #
# ##m#"  ##m#"  #  "m  "#m"#
#        #              m  #
#        "               ""
#        bash package manager

REMOTE=${REMOTE:-https://github.com/bpkg/bpkg.git}
TMPDIR=${TMPDIR:-/tmp}
DEST=${DEST:-${TMPDIR}/bpkg-master}

## test if command exists
ftest () {
  echo "  info: Checking for ${1}..."
  if ! type -f "${1}" > /dev/null 2>&1; then
    return 1
  else
    return 0
  fi
}

## feature tests
features () {
  for f in "${@}"; do
    ftest "${f}" || {
      echo >&2 "  error: Missing \`${f}'! Make sure it exists and try again."
      return 1
    }
  done
  return 0
}

## main setup
setup () {
  echo "  info: Welcome to the 'bpkg' installer!"
  ## test for require features
  features git || return $?

  ## build
  {
    echo
    cd "${TMPDIR}"
    echo "  info: Creating temporary files..."
    test -d "${DEST}" && { echo "  warn: Already exists: '${DEST}'"; }
    rm -rf "${DEST}"
    echo "  info: Fetching latest 'bpkg'..."
    git clone --depth=1 "${REMOTE}" "${DEST}" > /dev/null 2>&1
    cd "${DEST}"
    echo "  info: Installing..."
    echo
    make_install
    echo "  info: Done!"
  } >&2
  return $?
}

## make targets
BIN="bpkg"
[ -z "$PREFIX" ] && PREFIX="/usr/local"

# All 'bpkg' supported commands
CMDS="json install package term suggest init utils update list show getdeps"

make_install () {
  make_uninstall
  echo "  info: Installing $PREFIX/bin/$BIN..."
  install -d "$PREFIX/bin"
  local source=$(<$BIN)
  [ -f "$source" ] && install "$source" "$PREFIX/bin/$BIN" || install "$BIN" "$PREFIX/bin"
  for cmd in $CMDS; do
    source=$(<$BIN-$cmd)
    [ -f "$source" ] && install "$source" "$PREFIX/bin/$BIN-$cmd" || install "$BIN-$cmd" "$PREFIX/bin"
  done
  return $?
}

make_uninstall () {
  echo "  info: Uninstalling $PREFIX/bin/$BIN..."
  rm -f "$PREFIX/bin/$BIN"
  for cmd in $CMDS; do
    rm -f "$PREFIX/bin/$BIN-$cmd"
  done
  return $?
}

make_link () {
  make_uninstall
  echo "  info: Linking $PREFIX/bin/$BIN..."
  ln -s "$PWD/$BIN" "$PREFIX/bin/$BIN"
  for cmd in $CMDS; do
    ln -s "$PWD/$BIN-$cmd" "$PREFIX/bin"
  done
  return $?
}

make_unlink () {
  make_uninstall
}

## go
[ $# -eq 0 ] && setup || make_$1
exit $?