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|
#!/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
|
