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version.sh: keep the short version even if there are patches on top.

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Instead of reverting to 0.0.0, keep the same version number (eg. 1.2.4)
but add an extra suffix with the change count,
eg. 1.2.4-6-tb35d95ad7-gcb8be72e6. This avoids the problem where a
small patch causes the code to report a totally different version to
the server, which might change its behaviour based on version code.
(The server might enable various bug workarounds since it thinks
0.0.0 is very old.)

Signed-off-by: Avery Pennarun <apenwarr@tailscale.com>
This commit is contained in:
Avery Pennarun 2020-11-10 23:54:20 -05:00
parent 0050070493
commit c03543dbe2
2 changed files with 22 additions and 19 deletions
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8
version/mkversion_test.go
View File

@ -70,12 +70,12 @@ func TestMkversion(t *testing.T) {
VERSION_XCODE="101.15.129" VERSION_XCODE="101.15.129"
VERSION_WINRES="1,15,129,0"`}, VERSION_WINRES="1,15,129,0"`},
{"abcdef", "", 1, 2, 0, 17, ` {"abcdef", "", 1, 2, 0, 17, `
VERSION_SHORT="0.0.0" VERSION_SHORT="1.2.0"
VERSION_LONG="0.0.0-tabcdef" VERSION_LONG="1.2.0-17-tabcdef"
VERSION_GIT_HASH="abcdef" VERSION_GIT_HASH="abcdef"
VERSION_EXTRA_HASH="" VERSION_EXTRA_HASH=""
VERSION_XCODE="100.0.0" VERSION_XCODE="101.2.0"
VERSION_WINRES="0,0,0,0"`}, VERSION_WINRES="1,2,0,0"`},
{"abcdef", "defghi", 1, 15, 0, 129, ` {"abcdef", "defghi", 1, 15, 0, 129, `
VERSION_SHORT="1.15.129" VERSION_SHORT="1.15.129"
VERSION_LONG="1.15.129-tabcdef-gdefghi" VERSION_LONG="1.15.129-tabcdef-gdefghi"

33
version/version.sh
View File

@ -8,8 +8,8 @@ set -eu
# 1be01ddc6e430ca3aa9beea3587d16750efb3241-dirty # 1be01ddc6e430ca3aa9beea3587d16750efb3241-dirty
git_hash_dirty() { git_hash_dirty() {
( (
cd "$1" && cd "$1"
x=$(git rev-parse HEAD) && x=$(git rev-parse HEAD)
if ! git diff-index --quiet HEAD; then if ! git diff-index --quiet HEAD; then
x="$x-dirty" x="$x-dirty"
fi fi
@ -33,8 +33,8 @@ case $# in
extra_hash="" extra_hash=""
elif [ -d "$extra_hash_or_dir/.git" ]; then elif [ -d "$extra_hash_or_dir/.git" ]; then
extra_hash=$(git_hash_dirty "$extra_hash_or_dir" HEAD) extra_hash=$(git_hash_dirty "$extra_hash_or_dir" HEAD)
elif ! expr "$extra_hash" : "^[0-9a-f]*$"; then elif ! expr "$extra_hash_or_dir" : "^[0-9a-f]*$"; then
echo "Invalid extra hash '$extra_hash', must be a git commit hash or path to a git repo" >&2 echo "Invalid extra hash '$extra_hash_or_dir', must be a git commit or path to a git repo" >&2
exit 1 exit 1
else else
extra_hash="$extra_hash_or_dir" extra_hash="$extra_hash_or_dir"
@ -64,7 +64,7 @@ case $# in
change_count=$6 change_count=$6
;; ;;
*) *)
echo "Usage: $0 [extra-git-hash-or-checkout]" echo "Usage: $0 [extra-git-commitid-or-dir]"
exit 1 exit 1
esac esac
@ -87,18 +87,21 @@ if expr "$minor" : "[0-9]*[13579]$" >/dev/null; then
exit 1 exit 1
fi fi
patch="$change_count" patch="$change_count"
change_suffix=""
elif [ "$change_count" != "0" ]; then elif [ "$change_count" != "0" ]; then
# Even minor numbers are stable builds, but stable builds are # Even minor numbers are stable builds, but stable builds are
# supposed to have a zero change count. Therefore, we're currently # supposed to have a zero change count. Therefore, we're currently
# describing a commit that's on a release branch, but hasn't been # describing a commit that's on a release branch, but hasn't been
# tagged as a patch release yet. We allow these commits to build # tagged as a patch release yet.
# for testing purposes, but force their version number to 0.0.0, #
# to reflect that they're an unreleasable build. The git hashes # We used to change the version number to 0.0.0 in that case, but that
# still completely describe the build commit, so we can still # caused some features to get disabled due to the low version number.
# figure out what this build is if it escapes into the wild. # Instead, add yet another suffix to the version number, with a change
major="0" # count.
minor="0" change_suffix="-$change_count"
patch="0" else
# Even minor number with no extra changes.
change_suffix=""
fi fi
# Hack for 1.1: add 1000 to the patch number. We switched from using # Hack for 1.1: add 1000 to the patch number. We switched from using
@ -113,9 +116,9 @@ fi
# policies. All that remains is to output the various vars that other # policies. All that remains is to output the various vars that other
# code can use to embed version data. # code can use to embed version data.
if [ -z "$extra_hash" ]; then if [ -z "$extra_hash" ]; then
long_version_suffix="-t$short_git_hash" long_version_suffix="$change_suffix-t$short_git_hash"
else else
long_version_suffix="-t${short_git_hash}-g${short_extra_hash}" long_version_suffix="$change_suffix-t$short_git_hash-g$short_extra_hash"
fi fi
cat <<EOF cat <<EOF
VERSION_SHORT="$major.$minor.$patch" VERSION_SHORT="$major.$minor.$patch"