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# Release plumbing. `mise run version <x.y.z>` rewrites the rockspec.

[tasks.check]
description = "Run the self-check inside panto's interpreter"
dir = "{{config_root}}"
run = "panto lua _selfcheck.lua"

[tasks.verify]
description = "Compare moved themes against Panto core"
dir = "{{config_root}}"
run = '''
set -eu
PANTOGRAPH_DIR="${PANTOGRAPH_DIR:-../pantograph}"
(cd "$PANTOGRAPH_DIR" && panto lua "{{config_root}}/scripts/verify-against-core.lua")
'''

[tasks.version]
description = "Rewrite the rockspec for a version (then commit it)"
dir = "{{config_root}}"
run = '''
set -eu
NEW="{{arg(name='version')}}"
SPEC="$(ls -1 ./*.rockspec)"
PKG="$(sed -n 's/^package = "\(.*\)"/\1/p' "$SPEC")"
NEWSPEC="./$PKG-$NEW-1.rockspec"
TMP="$(mktemp)"
sed -e "s/^version = \".*\"/version = \"$NEW-1\"/" \
    -e "s/^\( *\)tag = \"v[^\"]*\"/\1tag = \"v$NEW\"/" "$SPEC" > "$TMP"
mv "$TMP" "$NEWSPEC"
[ "$SPEC" = "$NEWSPEC" ] || rm -f "$SPEC"
luarocks lint "$NEWSPEC"
'''

[tasks.release]
description = "Tag the committed version, push the tag, upload to luarocks.org"
depends = ["check"]
dir = "{{config_root}}"
run = """
set -eu
SPEC="$(ls -1 ./*.rockspec)"
case "$SPEC" in *"
"*) echo "expected exactly one rockspec, found:" >&2; echo "$SPEC" >&2; exit 1;; esac

VER="$(sed -n 's/^version = "\\(.*\\)-[0-9]*"/\\1/p' "$SPEC")"
[ -n "$VER" ] || { echo "could not read version from $SPEC" >&2; exit 1; }
TAG="v$VER"

# jj's working copy is itself a commit, so @ is normally the empty commit a
# `jj new` just made and the release content sits in @-. Override with
# REV=@ (or any revset) when that is not the case.
REV="${REV:-@-}"

# The tag is what `luarocks upload` clones to build the .src.rock, so the
# rockspec being published has to already be in the revision being tagged.
# Uncommitted, they diverge silently: the upload would ship a rockspec that
# says $VER over sources from a commit that never had it.
if ! jj file show -r "$REV" "$SPEC" 2>/dev/null | diff -q - "$SPEC" >/dev/null 2>&1; then
    echo "$SPEC at $REV differs from the working copy -- commit it first" >&2
    exit 1
fi

if jj tag list | grep -q "^$TAG:"; then
    echo "tag $TAG already exists -- bump the version first" >&2
    exit 1
fi

# jj 0.42 creates tags natively and exports them to git in a colocated repo,
# but `jj git push` only pushes bookmarks -- tags still need git.
jj tag set "$TAG" -r "$REV"
jj tag list | grep "^$TAG:"
for remote in $(git remote); do
    git push "$remote" "$TAG"
done

# Reads the API key from ~/.luarocks/upload_config.lua. Packs a .src.rock by
# cloning source.url at the tag just pushed, so the push has to come first.
luarocks upload "$SPEC"
"""