--- /dev/null
+#!/bin/bash
+
+set -e -o pipefail
+commit="$1"
+versionglob="[0-9].[0-9]*.[0-9]*"
+devsuffix=".dev"
+
+# automatically assign version
+#
+# handles the following cases:
+#
+# 1. commit is directly tagged. print that.
+#
+# 2. commit is on master or a development branch, the nearest tag is older
+# than commit where this branch joins master.
+# -> take greatest version tag in repo X.Y.Z and assign X.(Y+1).0
+#
+# 3. commit is on a release branch, the nearest tag is newer
+# than the commit where this branch joins master.
+# -> take nearest tag X.Y.Z and assign X.Y.(Z+1)
+
+tagged=$(git tag --points-at "$commit")
+
+if [[ -n "$tagged" ]] ; then
+ echo $tagged
+else
+ # 1. get the nearest tag with 'git describe'
+ # 2. get the merge base between this commit and master
+ # 3. if the tag is an ancestor of the merge base,
+ # (tag is older than merge base) increment minor version
+ # else, tag is newer than merge base, so increment point version
+
+ nearest_tag=$(git describe --tags --abbrev=0 --match "$versionglob" "$commit")
+ merge_base=$(git merge-base origin/master "$commit")
+
+ if git merge-base --is-ancestor "$nearest_tag" "$merge_base" ; then
+ # x.(y+1).0.devTIMESTAMP, where x.y.z is the newest version that does not contain $commit
+ # grep reads the list of tags (-f) that contain $commit and filters them out (-v)
+ # this prevents a newer tag from retroactively changing the versions of everything before it
+ v=$(git tag | grep -vFf <(git tag --contains "$commit") | sort -Vr | head -n1 | perl -pe 's/\.(\d+)\.\d+/".".($1+1).".0"/e')
+ else
+ # x.y.(z+1).devTIMESTAMP, where x.y.z is the latest released ancestor of $commit
+ v=$(echo $nearest_tag | perl -pe 's/(\d+)$/$1+1/e')
+ fi
+ isodate=$(TZ=UTC git log -n1 --format=%cd --date=iso "$commit")
+ ts=$(TZ=UTC date --date="$isodate" "+%Y%m%d%H%M%S")
+ echo "${v}${devsuffix}${ts}"
+fi
projects / arvados-workbench2.git / blobdiff