mirror of https://github.com/pulumi/pulumi.git
52 lines
1.6 KiB
Bash
Executable File
52 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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set -o nounset -o errexit -o pipefail
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SCRIPT_DIR="$( cd "$( dirname "$0" )" && pwd )"
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COMMITISH=${1:-HEAD}
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DIRTY_TAG=""
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# Figure out if the worktree is dirty, we run update-index first
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# as we've seen cases in Travis where not doing so causes git to
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# treat the worktree as dirty when it is not.
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git update-index -q --refresh
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if ! git diff-files --quiet; then
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DIRTY_TAG="dirty"
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fi
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# If we have an exact tag, just use it.
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if git describe --tags --exact-match "${COMMITISH}" >/dev/null 2>&1; then
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echo -n "$(git describe --tags --exact-match "${COMMITISH}")"
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if [ ! -z "${DIRTY_TAG}" ]; then
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echo -n "+${DIRTY_TAG}"
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fi
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echo ""
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exit 0
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fi
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# Otherwise, increment the patch version, add the -dev tag and some
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# commit metadata. If there's no existing tag, pretend a v0.0.0 was
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# there so we'll produce v0.0.1-dev builds.
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if git describe --tags --abbrev=0 "${COMMITISH}" > /dev/null 2>&1; then
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TAG=$(git describe --tags --abbrev=0 "${COMMITISH}")
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else
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TAG="v0.0.0"
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fi
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# Strip off any pre-release tag we might have (e.g. from doing a -rc build)
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TAG=${TAG%%-*}
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MAJOR=$(cut -d. -f1 <<< "${TAG}")
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MINOR=$(cut -d. -f2 <<< "${TAG}")
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PATCH=$(cut -d. -f3 <<< "${TAG}")
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# We want to include some additional information. To the base tag we
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# add a timestamp and commit hash. We use the timestamp of the commit
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# itself, not the date it was authored (so it will change when someone
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# rebases a PR into master, for example).
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echo -n "${MAJOR}.${MINOR}.$((${PATCH}+1))-dev.$(git show -s --format='%ct+g%h' ${COMMITISH})"
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if [ ! -z "${DIRTY_TAG}" ]; then
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echo -n ".${DIRTY_TAG}"
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fi
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echo ""
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