[PATCH v3 for-4.10] scripts: introduce a script for build test

[PATCH v3 for-4.10] scripts: introduce a script for build test

[Wei Liu]

Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
---
Cc: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: George Dunlap <George.Dunlap@eu.citrix.com>
Cc: Ian Jackson <ian.jackson@eu.citrix.com>
Cc: Jan Beulich <jbeulich@suse.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Tim Deegan <tim@xen.org>
Cc: Wei Liu <wei.liu2@citrix.com>
Cc: Julien Grall <julien.grall@arm.com>
Cc: Anthony PERARD <anthony.perard@citrix.com>

v3:
1. Use git-clean in default rune.
2. Print more friendly message.
3. Restore HEAD automatically.
---
 scripts/build-test.sh | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100755 scripts/build-test.sh

diff --git a/scripts/build-test.sh b/scripts/build-test.sh
new file mode 100755
index 0000000000..f55ec5d4fa
--- /dev/null
+++ b/scripts/build-test.sh
@@ -0,0 +1,50 @@
+#!/bin/sh
+
+# Run command on every commit within the range specified. If no command is
+# provided, use the default one to clean and build the whole tree.
+#
+# The default rune is rather simple. To do a cross-build, please put your usual
+# build rune in a shell script and invoke it with this script.
+
+if ! test -f xen/common/kernel.c; then
+    echo "Please run this script from top-level directory"
+    exit 1
+fi
+
+if test $# -lt 2 ; then
+    echo "Usage: $0 <BASE> <TIP> [CMD]"
+    exit 1
+fi
+
+status=`git status -s`
+if test -n "$status"; then
+    echo "Tree is dirty, aborted"
+    exit 1
+fi
+
+BASE=$1; shift
+TIP=$1; shift
+
+ORIG_BRANCH=`git symbolic-ref -q --short HEAD`
+if test $? -ne 0; then
+    echo "Detached HEAD, aborted"
+    exit 1
+fi
+
+trap "echo Restoring original HEAD ; git checkout $ORIG_BRANCH" EXIT
+
+git rev-list $BASE..$TIP | nl -ba | tac | \
+while read num rev; do
+    echo "Testing $num $rev"
+    git checkout $rev
+    if test $# -eq 0 ; then
+        git clean -fdx && ./configure && make -j4
+    else
+        "$@"
+    fi
+    if test $? -ne 0; then
+        echo "Failed at $num $rev"
+        exit 1
+    fi
+    echo
+done
-- 
2.11.0


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Re: [PATCH v3 for-4.10] scripts: introduce a script for build test

[Wei Liu]

On Wed, Oct 25, 2017 at 05:00:21PM +0100, Wei Liu wrote:
> Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
> Signed-off-by: Wei Liu <wei.liu2@citrix.com>
> ---
> Cc: Andrew Cooper <andrew.cooper3@citrix.com>
> Cc: George Dunlap <George.Dunlap@eu.citrix.com>
> Cc: Ian Jackson <ian.jackson@eu.citrix.com>
> Cc: Jan Beulich <jbeulich@suse.com>
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> Cc: Stefano Stabellini <sstabellini@kernel.org>
> Cc: Tim Deegan <tim@xen.org>
> Cc: Wei Liu <wei.liu2@citrix.com>
> Cc: Julien Grall <julien.grall@arm.com>
> Cc: Anthony PERARD <anthony.perard@citrix.com>
> 
> v3:
> 1. Use git-clean in default rune.
> 2. Print more friendly message.
> 3. Restore HEAD automatically.

Ping?

> ---
>  scripts/build-test.sh | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 50 insertions(+)
>  create mode 100755 scripts/build-test.sh
> 
> diff --git a/scripts/build-test.sh b/scripts/build-test.sh
> new file mode 100755
> index 0000000000..f55ec5d4fa
> --- /dev/null
> +++ b/scripts/build-test.sh
> @@ -0,0 +1,50 @@
> +#!/bin/sh
> +
> +# Run command on every commit within the range specified. If no command is
> +# provided, use the default one to clean and build the whole tree.
> +#
> +# The default rune is rather simple. To do a cross-build, please put your usual
> +# build rune in a shell script and invoke it with this script.
> +
> +if ! test -f xen/common/kernel.c; then
> +    echo "Please run this script from top-level directory"
> +    exit 1
> +fi
> +
> +if test $# -lt 2 ; then
> +    echo "Usage: $0 <BASE> <TIP> [CMD]"
> +    exit 1
> +fi
> +
> +status=`git status -s`
> +if test -n "$status"; then
> +    echo "Tree is dirty, aborted"
> +    exit 1
> +fi
> +
> +BASE=$1; shift
> +TIP=$1; shift
> +
> +ORIG_BRANCH=`git symbolic-ref -q --short HEAD`
> +if test $? -ne 0; then
> +    echo "Detached HEAD, aborted"
> +    exit 1
> +fi
> +
> +trap "echo Restoring original HEAD ; git checkout $ORIG_BRANCH" EXIT
> +
> +git rev-list $BASE..$TIP | nl -ba | tac | \
> +while read num rev; do
> +    echo "Testing $num $rev"
> +    git checkout $rev
> +    if test $# -eq 0 ; then
> +        git clean -fdx && ./configure && make -j4
> +    else
> +        "$@"
> +    fi
> +    if test $? -ne 0; then
> +        echo "Failed at $num $rev"
> +        exit 1
> +    fi
> +    echo
> +done
> -- 
> 2.11.0
> 

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Re: [PATCH v3 for-4.10] scripts: introduce a script for build test

[Ian Jackson]

Wei Liu writes ("[PATCH v3 for-4.10] scripts: introduce a script for build test"):
> Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
> Signed-off-by: Wei Liu <wei.liu2@citrix.com>
...
...
> +trap "echo Restoring original HEAD ; git checkout $ORIG_BRANCH" EXIT

This will smash the whole script's exit status.  I think you need to
save/restore $?.  Be careful with your quoting.  Normally it is better
for the argument to trap to be ''-quoted rather than "", to avoid it
being expanded twice (and, the first time, too soon).

Also, if this fails, it leaves the failure message buried in a scrool
of make -j4 output, where the user probably won't see it.  And it
prints exactly the same message on success and failure.  On failure
you should print the failing commitid, and exit nonzero.

On success you should print some reassuring `ok' message.

Ian.

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Re: [PATCH v3 for-4.10] scripts: introduce a script for build test

[Wei Liu]

On Mon, Oct 30, 2017 at 03:14:04PM +0000, Ian Jackson wrote:
> Wei Liu writes ("[PATCH v3 for-4.10] scripts: introduce a script for build test"):
> > Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
> > Signed-off-by: Wei Liu <wei.liu2@citrix.com>
> ...
> ...
> > +trap "echo Restoring original HEAD ; git checkout $ORIG_BRANCH" EXIT
> 
> This will smash the whole script's exit status.  I think you need to
> save/restore $?.  Be careful with your quoting.  Normally it is better
> for the argument to trap to be ''-quoted rather than "", to avoid it
> being expanded twice (and, the first time, too soon).
> 
> Also, if this fails, it leaves the failure message buried in a scrool
> of make -j4 output, where the user probably won't see it.  And it
> prints exactly the same message on success and failure.  On failure
> you should print the failing commitid, and exit nonzero.
> 
> On success you should print some reassuring `ok' message.
> 

Right. I've addressed your comments and will send out a new version
soon.

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