f27e28dd18
GitHub tags for draft releases are lightweight tags. Signed-off-by: Jonathon Anderson <janderson@ciq.com>
78 lines
1.9 KiB
Bash
Executable File
78 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (c) Contributors to the Apptainer project, established as
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# Apptainer a Series of LF Projects LLC.
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# For website terms of use, trademark policy, privacy policy and other
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# project policies see https://lfprojects.org/policies
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# optionally take commit-ish as argument for debugging purposes
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head=$1
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gitrepo=true
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toplevel="$(git rev-parse --show-toplevel 2> /dev/null)"
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if test -z "${toplevel}" ; then
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# failed to get toplevel directory, we are not inside a git
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# repo?
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gitrepo=false
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toplevel=$PWD
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fi
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if test -f "${toplevel}/VERSION" ; then
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cat "${toplevel}/VERSION"
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exit 0
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fi
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# no VERSION file
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if ! ${gitrepo} ; then
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echo "E: Not inside a git repository and no VERSION file found. Abort." 1>&2
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exit 1
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fi
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# gitdesc extracts the closest version tag, removing the leading "v" and
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# returning the rest
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gitdesc() {
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git describe --tags --match='v[0-9]*' --always --candidates=1 "$@" 2>/dev/null |
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sed -e 's,^v,,'
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}
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closest_tag=$(gitdesc --abbrev=0 ${head})
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current_commit=$(gitdesc ${head})
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if test -n "${head}" ; then
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# cannot pass --dirty when using commit-ish
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dirty_info=${current_commit}
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else
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dirty_info=$(gitdesc --dirty)
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fi
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# First figure out if the current commit matches a tag:
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#
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# v3.4.1
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# v3.4.1-rc.1
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if [ "${closest_tag}" = "${current_commit}" ] ; then
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# We are on a tag, leave it alone, maybe including the dirty
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# mark.
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#
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# This works even if we ever use a tag like v3.4.1+pl1 (which we
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# will hopefully never have).
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echo "${dirty_info}"
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exit 0
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fi
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# We have something which doesn't exactly match a tag:
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#
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# v3.4.1-315-g21e6d6765
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# v3.4.1-rc.1-315-g21e6d6765
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#
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# Use the -315-g21e6d6765 part as metadata, using + to indicate that
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# this is 3.4.1 with 315 additional changes. Keep the g21e6d6765 part to
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# have a record of the corresponding git commit hash.
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#
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# Transform the above into:
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#
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# v3.4.1+315-g21e6d6765
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# v3.4.1-rc.1+315-g21e6d6765
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echo "${dirty_info}" | sed -e "s,^\(${closest_tag}\)-,\1+,"
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