mirror of
https://github.com/containers/podman
synced 2024-10-20 17:23:30 +00:00
71 lines
2 KiB
Bash
Executable file
71 lines
2 KiB
Bash
Executable file
#!/usr/bin/env bash
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# This script produces various bits of metadata needed by Makefile. Using
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# a script allows uniform behavior across multiple environments and
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# distributions. The script expects a single argument, as reflected below.
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set -euo pipefail
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cd "${GOSRC:-$(dirname $0)/../}"
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valid_args() {
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REGEX='^\s+[[:upper:]]+\*[)]'
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egrep --text --no-filename --group-separator=' ' --only-matching "$REGEX" "$0" | \
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cut -d '*' -f 1
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}
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# `git describe` will never produce a useful version number under all
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# branches. This is because the podman release process (see `RELEASE_PROCESS.md`)
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# tags release versions only on release-branches (i.e. never on main).
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# Scraping the version number directly from the source, is the only way
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# to reliably obtain the number from all the various contexts supported by
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# the `Makefile`.
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scrape_version() {
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local v
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# extract the value of 'var Version'
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v=$(sed -ne 's/^var\s\+Version\s\+=\s.*("\(.*\)").*/\1/p' <version/version.go)
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# If it's empty, something has changed in version.go, that would be bad!
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test -n "$v"
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# Value consumed literally, must not have any embedded newlines
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echo -n "$v"
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}
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unset OUTPUT
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case "$1" in
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# Wild-card suffix needed by valid_args() e.g. possible bad grep of "$(echo $FOO)"
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VERSION*)
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OUTPUT="${CIRRUS_TAG:-$(scrape_version)}"
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;;
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NUMBER*)
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OUTPUT="$($0 VERSION | sed 's/-.*//')"
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;;
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DIST_VER*)
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OUTPUT="$(source /etc/os-release; echo $VERSION_ID | cut -d '.' -f 1)"
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;;
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DIST*)
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OUTPUT="$(source /etc/os-release; echo $ID)"
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;;
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ARCH*)
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OUTPUT="${GOARCH:-$(go env GOARCH 2> /dev/null)}"
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;;
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BASENAME*)
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OUTPUT="podman"
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;;
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REMOTENAME*)
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OUTPUT="$($0 BASENAME)-remote"
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;;
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*)
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echo "Error, unknown/unsupported argument '$1', valid arguments:"
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valid_args
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exit 1
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;;
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esac
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if [[ -n "$OUTPUT" ]]
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then
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echo -n "$OUTPUT"
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else
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echo "Error, empty output for info: '$1'" > /dev/stderr
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exit 2
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fi
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