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#!/bin/sh
set -e
# Get the release version
toplevel="$(readlink -f $(dirname $0)/../)"
RELEASE_VERSION=$(cat "$toplevel/VERSION")
# ignore everything when building the Debian package from the Debian git tree
git() { false; }
# Not in a git repo, or no git installed.
if ! git status --porcelain > /dev/null; then
echo $RELEASE_VERSION
exit 0
fi
# Check VERSION file updates in uncommitted changes
if git status --porcelain | grep -q '^...VERSION$'; then
echo "WARNING: Version file changed and not committed" >&2
echo $RELEASE_VERSION
exit 0
fi
# If clean, check VERSION file updates in the current commit
if [ $(git status --porcelain -uno | wc -l) = "0" ] && [ $(git show -- VERSION | wc -l) != "0" ]; then
echo $RELEASE_VERSION
exit 0
fi
# We'll create a development version number, get the hash
HASH=$(git rev-parse --short=12 HEAD)
# Find the release
case "$(git tag -l | grep "^v$RELEASE_VERSION\$" | wc -l | sed -r 's/^ *//;s/ +-//')" in
"1") # Already tagged
RELEASE_COMMIT=v$RELEASE_VERSION
;;
"0") # Not yet tagged
RELEASE_COMMIT=$(git log --oneline -- VERSION | sed 's/ .*//')
;;
*)
echo "ERROR: There are too many matching tags in the repository"
git tag -l | grep "^v$RELEASE_VERSION\$"
git tag -l | grep "^v$RELEASE_VERSION\$" | wc -l
exit 1
;;
esac
# Add branch info if not passed via command line
if [ -z "${BRANCH}" ]; then
# There is also --show-current but it's too new to be portable.
BRANCH=$(git branch | sed -n 's/^[*] //p' | grep -v 'HEAD detached' || true)
fi
# Found a branch
if [ -n "$BRANCH" ]; then
LENGTH=$(git log --oneline $RELEASE_COMMIT..HEAD | wc -l)
echo $RELEASE_VERSION+branch.$(echo $BRANCH | sed 's/[^a-zA-Z0-9]/./g').${HASH}
exit 0
fi
echo $RELEASE_VERSION+detached.${HASH}
exit 0
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