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#!/bin/sh
# disfluid, implementation of the Solid specification
# Copyright (C) 2020, 2021 Vivien Kraus
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
refname="$1"
oldrev="$2"
newrev="$3"
zero=$(guix environment --ad-hoc git -- git hash-object --stdin </dev/null | tr '[0-9a-f]' '0')
span="^$oldrev $newrev"
if test "x$refname" != "xrefs/heads/master"
then
>&2 echo "No CI for $refname, it’s not master"
exit 0
fi
if test "x$oldrev" = "x$zero"
then
>&2 echo "Creating a new branch, $refname..."
span="$newrev"
fi
if test "x$newrev" = "x$zero"
then
>&2 echo "Deleting a branch, that's OK."
exit 0
fi
>&2 echo "Checking all refs in range $span."
CHANNEL=$(mktemp -d 2>/dev/null || mktemp -d -t "channel")
>&2 echo "The channel is in $CHANNEL."
cat > "$CHANNEL/guix-channels-for-build.scm" <<EOF
(list (channel
(name 'guix)
(url "https://git.savannah.gnu.org/git/guix.git")
(introduction (make-channel-introduction
"9edb3f66fd807b096b48283debdcddccfea34bad"
(openpgp-fingerprint
"BBB0 2DDF 2CEA F6A8 0D1D E643 A2A0 6DF2 A33A 54FA")))))
EOF
for ref in $(guix time-machine -C "$CHANNEL/guix-channels-for-build.scm" \
-- environment --ad-hoc git -- git rev-list --reverse $span)
do
>&2 echo "Checking new commit $ref."
if test "x$ref" = "x0e29ddc3c41870e14da87770a429a94f80dd4110"
then
>&2 echo "This is the root, skipping."
else
>&2 echo "Running CI for $ref..."
guix time-machine -C "$CHANNEL/guix-channels-for-build.scm" \
-- environment --ad-hoc git \
-- git archive "-o" "$CHANNEL/source.tar.gz" "$ref" guix ci.scm || exit 1
(cd "$CHANNEL" ; \
rm -rf "source" ; \
mkdir "source" ; \
cd "source" ; \
guix time-machine -C "$CHANNEL/guix-channels-for-build.scm" \
-- environment --ad-hoc tar \
-- tar xf ../source.tar.gz)
export CI_REF="$ref"
if OUTCOME=$(guix time-machine -C "$CHANNEL/guix-channels-for-build.scm" \
-- build -L "$CHANNEL/source/guix" -f "$CHANNEL/source/ci.scm")
then
>&2 echo "CI ran: $OUTCOME."
else
rm -rf $CHANNEL
exit 1
fi
fi
done
rm -rf $CHANNEL
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