[rustbuild] add a way to run command after failure #39888
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r? @aturon (rust_highfive has picked a reviewer for you, use r? to override) |
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This is what it looks in practice: |
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Hmm this definitely seems to fill a need for me! |
This is a simple way to workaround the debugging issues caused by the rustc
wrapper used in the bootstrap process. Namely, it uses some obscure environment
variables and you can’t just copy the failed command and run it in the shell or
debugger to examine the failure more closely.
With `--on-fail` its possible to run an arbitrary command within exactly the
same environment under which rustc failed. Theres’s multiple ways to use this
new flag:
$ python x.py build --stage=1 --on-fail=env
would print a list of environment variables and the failed command, so a
few copy-pastes and you now can run the same rust in your shell outside the
bootstrap system.
$ python x.py build --stage=1 --on-fail=bash
Is a more useful variation of the command above in that it launches a whole
shell with environment already in place! All that’s left to do is copy-paste
the command just above the shell prompt!
Fixes rust-lang#38686
Fixes rust-lang#38221
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r? @alexcrichton is probably the most suitable reviewer |
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Oh man, that's slick! Awesome idea! @bors: r+ |
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📌 Commit 0e45a5e has been approved by |
frewsxcv
added a commit
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Feb 17, 2017
…chton
[rustbuild] add a way to run command after failure
This is a simple way to workaround the debugging issues caused by the rustc
wrapper used in the bootstrap process. Namely, it uses some obscure environment
variables and you can’t just copy the failed command and run it in the shell or
debugger to examine the failure more closely.
With `--on-fail` its possible to run an arbitrary command within exactly the
same environment under which rustc failed. Theres’s multiple ways to use this
new flag:
$ python x.py build --stage=1 --on-fail=env
would print a list of environment variables and the failed command, so a
few copy-pastes and you now can run the same rust in your shell outside the
bootstrap system.
$ python x.py build --stage=1 --on-fail=bash
Is a more useful variation of the command above in that it launches a whole
shell with environment already in place! All that’s left to do is copy-paste
the command just above the shell prompt!
Fixes rust-lang#38686
Fixes rust-lang#38221
frewsxcv
added a commit
to frewsxcv/rust
that referenced
this pull request
Feb 17, 2017
…chton
[rustbuild] add a way to run command after failure
This is a simple way to workaround the debugging issues caused by the rustc
wrapper used in the bootstrap process. Namely, it uses some obscure environment
variables and you can’t just copy the failed command and run it in the shell or
debugger to examine the failure more closely.
With `--on-fail` its possible to run an arbitrary command within exactly the
same environment under which rustc failed. Theres’s multiple ways to use this
new flag:
$ python x.py build --stage=1 --on-fail=env
would print a list of environment variables and the failed command, so a
few copy-pastes and you now can run the same rust in your shell outside the
bootstrap system.
$ python x.py build --stage=1 --on-fail=bash
Is a more useful variation of the command above in that it launches a whole
shell with environment already in place! All that’s left to do is copy-paste
the command just above the shell prompt!
Fixes rust-lang#38686
Fixes rust-lang#38221
|
@bors: retry |
1 similar comment
|
@bors: retry |
|
⌛ Testing commit 0e45a5e with merge f0fb8e4... |
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💔 Test failed - status-travis |
|
|
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@bors: retry
* network error
…On Sun, Feb 19, 2017 at 4:31 AM, Simonas Kazlauskas < ***@***.***> wrote:
[image: Build Failed; Again]
<https://cloud.githubusercontent.com/assets/679122/23101567/47e65f76-f69f-11e6-81de-6c025928e31e.jpeg>
—
You are receiving this because you were assigned.
Reply to this email directly, view it on GitHub
<#39888 (comment)>, or mute
the thread
<https://github.com/notifications/unsubscribe-auth/AAD95Izj-Sy5oJ6pSIRvupvr3LcHmtDaks5reBoFgaJpZM4MDafL>
.
|
frewsxcv
added a commit
to frewsxcv/rust
that referenced
this pull request
Feb 23, 2017
…chton
[rustbuild] add a way to run command after failure
This is a simple way to workaround the debugging issues caused by the rustc
wrapper used in the bootstrap process. Namely, it uses some obscure environment
variables and you can't just copy the failed command and run it in the shell or
debugger to examine the failure more closely.
With `--on-fail` its possible to run an arbitrary command within exactly the
same environment under which rustc failed. Theres's multiple ways to use this
new flag:
$ python x.py build --stage=1 --on-fail=env
would print a list of environment variables and the failed command, so a
few copy-pastes and you now can run the same rust in your shell outside the
bootstrap system.
$ python x.py build --stage=1 --on-fail=bash
Is a more useful variation of the command above in that it launches a whole
shell with environment already in place! All that's left to do is copy-paste
the command just above the shell prompt!
Fixes rust-lang#38686
Fixes rust-lang#38221
|
⌛ Testing commit 0e45a5e with merge e15ee81... |
|
💔 Test failed - status-travis |
|
|
|
@bors: retry
|
eddyb
added a commit
to eddyb/rust
that referenced
this pull request
Feb 25, 2017
…chton
[rustbuild] add a way to run command after failure
This is a simple way to workaround the debugging issues caused by the rustc
wrapper used in the bootstrap process. Namely, it uses some obscure environment
variables and you can't just copy the failed command and run it in the shell or
debugger to examine the failure more closely.
With `--on-fail` its possible to run an arbitrary command within exactly the
same environment under which rustc failed. Theres's multiple ways to use this
new flag:
$ python x.py build --stage=1 --on-fail=env
would print a list of environment variables and the failed command, so a
few copy-pastes and you now can run the same rust in your shell outside the
bootstrap system.
$ python x.py build --stage=1 --on-fail=bash
Is a more useful variation of the command above in that it launches a whole
shell with environment already in place! All that's left to do is copy-paste
the command just above the shell prompt!
Fixes rust-lang#38686
Fixes rust-lang#38221
eddyb
added a commit
to eddyb/rust
that referenced
this pull request
Feb 25, 2017
…chton
[rustbuild] add a way to run command after failure
This is a simple way to workaround the debugging issues caused by the rustc
wrapper used in the bootstrap process. Namely, it uses some obscure environment
variables and you can't just copy the failed command and run it in the shell or
debugger to examine the failure more closely.
With `--on-fail` its possible to run an arbitrary command within exactly the
same environment under which rustc failed. Theres's multiple ways to use this
new flag:
$ python x.py build --stage=1 --on-fail=env
would print a list of environment variables and the failed command, so a
few copy-pastes and you now can run the same rust in your shell outside the
bootstrap system.
$ python x.py build --stage=1 --on-fail=bash
Is a more useful variation of the command above in that it launches a whole
shell with environment already in place! All that's left to do is copy-paste
the command just above the shell prompt!
Fixes rust-lang#38686
Fixes rust-lang#38221
bors
added a commit
that referenced
this pull request
Feb 25, 2017
Rollup of 28 pull requests - Successful merges: #39859, #39864, #39888, #39903, #39905, #39914, #39945, #39950, #39953, #39961, #39980, #39988, #39993, #39995, #40019, #40020, #40022, #40024, #40025, #40026, #40027, #40031, #40035, #40037, #40038, #40064, #40069, #40086 - Failed merges: #39927, #40008, #40047
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This is a simple way to workaround the debugging issues caused by the rustc
wrapper used in the bootstrap process. Namely, it uses some obscure environment
variables and you can't just copy the failed command and run it in the shell or
debugger to examine the failure more closely.
With
--on-failits possible to run an arbitrary command within exactly thesame environment under which rustc failed. Theres's multiple ways to use this
new flag:
$ python x.py build --stage=1 --on-fail=env
$ python x.py build --stage=1 --on-fail=bash
Fixes #38686
Fixes #38221