aboutsummaryrefslogtreecommitdiff
path: root/fetch_version
blob: a0325f632789f5a7689bc199768547c4474eaa74 (plain) (blame)
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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
#!/bin/bash

usage() {
  echo "$0 file.json"
  echo "$0 [-n|--name name] [-b|--branch branch_or_rev] [-f|--file out_file] [-h|--help] (-u|--url) url"
  exit
}

branch="master"
while [[ $# -gt 0 ]]; do
  a="$1"
  shift
  case "$a" in
    *.json)
      file=$a
      content=$(cat $a)
      name="$(echo "$content" | jq -r ".meta.name")"
      url="$(echo "$content" | jq -r ".meta.url")"
      branch="$(echo "$content" | jq -r ".meta.branch")"
      ;;
    -n|--name)
      name=$1
      shift
      ;;
    -u|--url)
      url=$1
      shift
      ;;
    -b|--branch)
      branch=$1
      shift
      ;;
    -f|--file)
      file=$1
      shift
      ;;
    -h|--help)
      usage
      ;;
  esac
done
if [ -z "$url" ]; then
  usage
fi
if [ -z "$name" ]; then
  name=$(echo "$url" | cut -d"/" -f5)
fi
if [ -z "$file" ]; then
  file=$name.json
fi

# function fetch_ledger () {
#   pushd $HOME/projets/ledger >/dev/null 2>/dev/null
#   git fetch origin
#   tag="$(git describe origin/next | sed -e "s/^v//")"
#   rev="$(git show-ref -s refs/remotes/origin/next)"
#   sha="$(nix-prefetch-url --unpack file://<(git archive --format=tar.gz HEAD) 2>/dev/null)"
#   popd >/dev/null 2>/dev/null
# }

# awk_describe='BEGIN {
#   FS = "[ /^]+"
#   while ("git ls-remote " ARGV[1] "| sort -Vk2" | getline) {
#     if (!sha)
#       sha = substr($0, 1, 7)
#     tag = $3
#   }
#   while ("curl -s " ARGV[1] "/releases/tag/" tag | getline)
#     if ($3 ~ "commits")
#       com = $2
#   printf com ? "%s-%s-g%s\n" : "%s\n", tag, com, sha
# }'

function get_ref () {
  case "$1" in
    refs/*)
      echo "$1"
      ;;
    *)
      echo "refs/heads/$1"
      ;;
  esac
}

function get_name () {
  branch="$1"
  rev="$2"
  minirev=${rev:0:7}

  case "$branch" in
    refs/tags/*)
      b="${branch#refs/tags/}"
      echo "${b//\//-}"
      ;;
    refs/heads/*)
      b=${branch#refs/heads/}
      echo "$minirev-${b//\//-}"
      ;;
    refs/*)
      b=${branch#refs/}
      echo "$minirev-${b//\//-}"
      ;;
    *)
      echo "$minirev-${branch//\//-}"
      ;;
  esac
}

function fetch_github () {
  rev="$(git ls-remote --refs $url $(get_ref $branch) | head -n1 | cut -f1)"
  sha="$(nix-prefetch-url --unpack $url/archive/$rev.tar.gz)"
  # Différent du git-describe et github-spécifique
  #tag=$(echo "$awk_describe" | awk -f - $url | sed -e "s/^v//")
  tag=$(get_name $branch $rev)
}

function fetch_other () {
  rev="$(git ls-remote --refs $url $(get_ref $branch) | head -n1 | cut -f1)"
  sha="$(nix-prefetch-git --url $url --rev $(get_ref $branch) | jq -r '.sha256')"
  tag=$(get_name $branch $rev)
}

case "$url" in
  https://*github.com/*)
    fetch_github 2>/dev/null
    owner=$(echo "$url" | cut -d"/" -f4)
    repo=$(echo "$url" | cut -d"/" -f5)

    F='{
      "tag": $tag,
      "meta": {
        "name": $name,
        "url": $url,
        "branch": $branch
      },
      "github": {
        "owner": $owner,
        "repo": $repo,
        "rev": $rev,
        "sha256": $sha,
        "fetchSubmodules": true
      }
    }'
    ;;
  *)
    fetch_other 2>/dev/null
    F='{
      "tag": $tag,
      "meta": {
        "name": $name,
        "url": $url,
        "branch": $branch
      },
      "git": {
        "url": $url,
        "rev": $rev,
        "sha256": $sha,
        "fetchSubmodules": true
      }
    }'
    ;;
esac

jq -n \
  --arg name "$name" \
  --arg owner "$owner" \
  --arg repo "$repo" \
  --arg tag "$tag" \
  --arg rev "$rev" \
  --arg url "$url" \
  --arg branch "$branch" \
  --arg sha "$sha" \
  "$F" > $file