forked from AuroraMiddleware/gtk
35 lines
2.0 KiB
Bash
35 lines
2.0 KiB
Bash
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#!/bin/bash
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set +e
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# We need to add a new remote for the upstream master, since this script could
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# be running in a personal fork of the repository which has out of date branches.
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git remote add upstream https://gitlab.gnome.org/GNOME/gtk.git
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git fetch upstream
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# Work out the newest common ancestor between the detached HEAD that this CI job
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# has checked out, and the upstream target branch (which will typically be
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# `upstream/master` or `upstream/gtk-3-24`).
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#
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# `${CI_MERGE_REQUEST_TARGET_BRANCH_NAME}` is only defined if we’re running in
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# a merge request pipeline; fall back to `${CI_DEFAULT_BRANCH}` otherwise.
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newest_common_ancestor_sha=$(diff --old-line-format='' --new-line-format='' <(git rev-list --first-parent upstream/${CI_MERGE_REQUEST_TARGET_BRANCH_NAME:-${CI_DEFAULT_BRANCH}}) <(git rev-list --first-parent HEAD) | head -1)
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git diff -U0 --no-color "${newest_common_ancestor_sha}" | .gitlab-ci/clang-format-diff.py -binary "clang-format" -p1
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# The style check is not infallible. The clang-format configuration cannot
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# perfectly describe GTK’s coding style: in particular, it cannot align
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# function arguments. The documented coding style for GTK takes priority over
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# clang-format suggestions. Hopefully we can eventually improve clang-format to
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# be configurable enough for our coding style. That’s why this CI check is OK
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# to fail: the idea is that people can look through the output and ignore it if
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# it’s wrong. (That situation can also happen if someone touches pre-existing
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# badly formatted code and it doesn’t make sense to tidy up the wider coding
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# style with the changes they’re making.)
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echo ""
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echo "Note that clang-format output is advisory and cannot always match the"
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echo "GTK coding style, documented at:"
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echo " https://gitlab.gnome.org/GNOME/gtk/blob/master/docs/CODING-STYLE"
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echo "Warnings from this tool can be ignored in favour of the documented "
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echo "coding style, or in favour of matching the style of existing"
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echo "surrounding code."
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