podman/hack/get_release_info.sh
Sascha Grunert ba9f18e2b8
Use bash binary from env instead of /bin/bash for scripts
It's not possible to run any of the scripts on distributions which do
have `bash` not in `/bin`. This is being fixed by using `/usr/bin/env
bash` instead.

Signed-off-by: Sascha Grunert <sgrunert@suse.com>
2020-08-17 10:42:23 +02:00

55 lines
1.4 KiB
Bash
Executable file

#!/usr/bin/env bash
# This script produces various bits of metadata needed by Makefile. Using
# a script allows uniform behavior across multiple environments and
# distributions. The script expects a single argument, as reflected below.
set -euo pipefail
cd "${GOSRC:-$(dirname $0)/../}"
valid_args() {
REGEX='^\s+[[:upper:]]+\*[)]'
egrep --text --no-filename --group-separator=' ' --only-matching "$REGEX" "$0" | \
cut -d '*' -f 1
}
unset OUTPUT
case "$1" in
# Wild-card suffix needed by valid_args() e.g. possible bad grep of "$(echo $FOO)"
VERSION*)
OUTPUT="${CIRRUS_TAG:-$(git fetch --tags && git describe HEAD 2> /dev/null)}"
;;
NUMBER*)
OUTPUT="$($0 VERSION | sed 's/-.*//')"
;;
DIST_VER*)
OUTPUT="$(source /etc/os-release; echo $VERSION_ID | cut -d '.' -f 1)"
;;
DIST*)
OUTPUT="$(source /etc/os-release; echo $ID)"
;;
ARCH*)
OUTPUT="${GOARCH:-$(go env GOARCH 2> /dev/null)}"
;;
BASENAME*)
OUTPUT="podman"
;;
REMOTENAME*)
OUTPUT="$($0 BASENAME)-remote"
;;
*)
echo "Error, unknown/unsupported argument '$1', valid arguments:"
valid_args
exit 1
;;
esac
if [[ -n "$OUTPUT" ]]
then
echo -n "$OUTPUT"
else
echo "Error, empty output for info: '$1'" > /dev/stderr
exit 2
fi