'bazel version' not displaying the actual version

[James DeMichele]

Hello, I have installed bazel a few different ways on linux (apt, installer script, and even the .deb). However, when I run bazel version......it does not print the version label. Does anyone know why that's the case and how I can get it to show up?

foo:/ $ bazel version

Build target: bazel-out/local-fastbuild/bin/src/main/java/com/google/devtools/build/lib/bazel/BazelServer_deploy.jar

Build time: Thu Jan 01 00:00:00 1970 (0)

Build timestamp: Thu Jan 01 00:00:00 1970 (0)

Build timestamp as int: 0

Any help or guidance would be greatly appreciated. Thanks.

[Austin Schuh]

How are you building it?

I see 2 things wrong with the bazel you built here.  It was built with -c fastbuild rather than -c opt, and it wasn't built with --stamp=yes.

If you enable stamping when the binary is built, you will get the date stamped in.  Otherwise, the date is set to 0 to get a reproducible build output.

Austin

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[James DeMichele]

Hey Austin, thanks for the quick reply!

No, I am not building it. I grabbed this .deb file most recently and installed via dpkg https://github.com/bazelbuild/bazel/releases/download/0.3.1/bazel_0.3.1-linux-x86_64.deb

So I don't think I'm doing anything special at all. 

-Jamie

On Wed, Sep 21, 2016 at 11:25 AM, Austin Schuh <austin...@gmail.com> wrote:

How are you building it?

I see 2 things wrong with the bazel you built here.  It was built with -c fastbuild rather than -c opt, and it wasn't built with --stamp=yes.

If you enable stamping when the binary is built, you will get the date stamped in.  Otherwise, the date is set to 0 to get a reproducible build output.

Austin

On Wed, Sep 21, 2016 at 9:22 AM James DeMichele <james.d...@redfin.com> wrote:

Hello, I have installed bazel a few different ways on linux (apt, installer script, and even the .deb). However, when I run bazel version......it does not print the version label. Does anyone know why that's the case and how I can get it to show up?

foo:/ $ bazel version

Build target: bazel-out/local-fastbuild/bin/src/main/java/com/google/devtools/build/lib/bazel/BazelServer_deploy.jar

Build time: Thu Jan 01 00:00:00 1970 (0)

Build timestamp: Thu Jan 01 00:00:00 1970 (0)

Build timestamp as int: 0

Any help or guidance would be greatly appreciated. Thanks.

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[James DeMichele]

Hmmm. Actually an update on this. I had installed it via .deb and it was working, and then I think I installed it via apt-get by accident after that. I actually think the problem lies in the installation via apt.

I'm going to remove the Bazel distribuition URI I have, and try a clean re-install from the .deb.

-Jamie

[Austin Schuh]

Ok!  Sounds like the distributed packages aren't built with stamping enabled.  I would consider that a bug.

I dug in a bit more.  It looks like Bazel turned off stamping by default in their repo.  I'm guessing that they built the deploy binaries without any extra flags.

bazel build -c opt src:bazel

$ bazel version

Extracting Bazel installation...

.

Build target: bazel-out/local-opt/bin/src/main/java/com/google/devtools/build/lib/bazel/BazelServer_deploy.jar

Build time: Thu Jan 01 00:00:00 1970 (0)

Build timestamp: Thu Jan 01 00:00:00 1970 (0)

Build timestamp as int: 0

bazel build -c opt src:bazel --stamp=yes

$ bazel version

Extracting Bazel installation...

.

Build label: 

Build target: bazel-out/local-opt/bin/src/main/java/com/google/devtools/build/lib/bazel/BazelServer_deploy.jar

Build time: Wed Sep 21 16:27:25 2016 (1474475245)

Build timestamp: 1474475245

Build timestamp as int: 1474475245

Austin

On Wed, Sep 21, 2016 at 9:27 AM James DeMichele <james.d...@redfin.com> wrote:

Hey Austin, thanks for the quick reply!

No, I am not building it. I grabbed this .deb file most recently and installed via dpkg https://github.com/bazelbuild/bazel/releases/download/0.3.1/bazel_0.3.1-linux-x86_64.deb

So I don't think I'm doing anything special at all. 

-Jamie

On Wed, Sep 21, 2016 at 11:25 AM, Austin Schuh <austin...@gmail.com> wrote:

How are you building it?

I see 2 things wrong with the bazel you built here.  It was built with -c fastbuild rather than -c opt, and it wasn't built with --stamp=yes.

If you enable stamping when the binary is built, you will get the date stamped in.  Otherwise, the date is set to 0 to get a reproducible build output.

Austin

On Wed, Sep 21, 2016 at 9:22 AM James DeMichele <james.d...@redfin.com> wrote:

Hello, I have installed bazel a few different ways on linux (apt, installer script, and even the .deb). However, when I run bazel version......it does not print the version label. Does anyone know why that's the case and how I can get it to show up?

foo:/ $ bazel version

Build target: bazel-out/local-fastbuild/bin/src/main/java/com/google/devtools/build/lib/bazel/BazelServer_deploy.jar

Build time: Thu Jan 01 00:00:00 1970 (0)

Build timestamp: Thu Jan 01 00:00:00 1970 (0)

Build timestamp as int: 0

Any help or guidance would be greatly appreciated. Thanks.

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[James DeMichele]

Yep, looks like the version coming via apt is incorrect. Here's a clean re-install from deb

Build label: 0.3.1

Build target: bazel-out/local-fastbuild/bin/src/main/java/com/google/devtools/build/lib/bazel/BazelServer_deploy.jar

Build time: Fri Jul 29 09:09:52 2016 (1469783392)

Build timestamp: 1469783392

Build timestamp as int: 1469783392

Thanks, Austin!

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[Austin Schuh]

FYI, we build the bazel we release internally with

./compile.sh compile

./output/bazel build //scripts/packages:bazel-debian -c opt --embed_label="${VERSION}" --stamp=yes

If you are setting up something for Redfin, I'd recommend versioning your bazel with your repo by either checking bazel into //tools/bazel or putting a shell script in //tools/bazel which fetches the right version of bazel.

Austin

On Wed, Sep 21, 2016 at 9:32 AM James DeMichele <james.d...@redfin.com> wrote:

Hmmm. Actually an update on this. I had installed it via .deb and it was working, and then I think I installed it via apt-get by accident after that. I actually think the problem lies in the installation via apt.

I'm going to remove the Bazel distribuition URI I have, and try a clean re-install from the .deb.

-Jamie

On Wed, Sep 21, 2016 at 11:27 AM, James DeMichele <james.d...@redfin.com> wrote:

Hey Austin, thanks for the quick reply!

No, I am not building it. I grabbed this .deb file most recently and installed via dpkg https://github.com/bazelbuild/bazel/releases/download/0.3.1/bazel_0.3.1-linux-x86_64.deb

So I don't think I'm doing anything special at all. 

-Jamie

On Wed, Sep 21, 2016 at 11:25 AM, Austin Schuh <austin...@gmail.com> wrote:

How are you building it?

I see 2 things wrong with the bazel you built here.  It was built with -c fastbuild rather than -c opt, and it wasn't built with --stamp=yes.

If you enable stamping when the binary is built, you will get the date stamped in.  Otherwise, the date is set to 0 to get a reproducible build output.

Austin

On Wed, Sep 21, 2016 at 9:22 AM James DeMichele <james.d...@redfin.com> wrote:

Hello, I have installed bazel a few different ways on linux (apt, installer script, and even the .deb). However, when I run bazel version......it does not print the version label. Does anyone know why that's the case and how I can get it to show up?

foo:/ $ bazel version

Build target: bazel-out/local-fastbuild/bin/src/main/java/com/google/devtools/build/lib/bazel/BazelServer_deploy.jar

Build time: Thu Jan 01 00:00:00 1970 (0)

Build timestamp: Thu Jan 01 00:00:00 1970 (0)

Build timestamp as int: 0

Any help or guidance would be greatly appreciated. Thanks.

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[Kristina Chodorow]

Btw, this is a known bug with the debian package: https://github.com/bazelbuild/bazel/issues/1770.

Austin

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[James DeMichele]

Thanks. Note to self, search issues first........................