From @jkeenan

CPAN module App​::perlbrew is broken in blead. The breakage, which
occurred this month, started somewhere *after*
b3937e2^ and at or before
a1c09da. But my bisection ended very
messily, so I can't identify the breaking commit with great confidence.
Here are some results​:

#####
Running make for G/GU/GUGOD/App-perlbrew-0.80.tar.gz
cp lib/App/perlbrew.pm blib/lib/App/perlbrew.pm
cp bin/perlbrew blib/script/perlbrew
"/tmp/0Kh870nPwT/bin/perl" "-Iinc" -MExtUtils​::MY -e 'MY->fixin(shift)'
-- blib/script/perlbrew
Manifying 1 pod document
Manifying 1 pod document
  GUGOD/App-perlbrew-0.80.tar.gz
  /usr/bin/make -- OK
Running make test
PERL_DL_NONLAZY=1 "/tmp/0Kh870nPwT/bin/perl" "-MExtUtils​::Command​::MM"
"-MTest​::Harness" "-e" "undef *Test​::Harness​::Switches; test_harness(0,
'inc', 'blib/lib', 'blib/arch')" t/*.t
t/00.load.t ............................ ok
t/01.options.t ......................... ok
t/02.format_perl_version.t ............. ok
t/03.path_with_tilde.t ................. ok
t/03.test_get_available_versions.t ..... ok
t/04.find_available_perls.t ............ ok
t/05.get_current_perl.t ................ ok
t/06.installed_perls.t ................. ok
t/07.argv.t ............................ ok
t/08.error_available.t ................. ok
t/08.error_install.t ................... ok
t/08.error_install_blead.t ............. ok
t/08.error_install_cpanm.t ............. ok
t/09.exit_status.t ..................... 1/?
# Failed test 'threw Regexp ((?^​:unknown-command))'
# at t/09.exit_status.t line 21.
# expecting​: Regexp ((?^​:unknown-command))
# found​: Not a GLOB reference at
/tmp/hiV7_3iGYY/App-perlbrew-0.80-0/blib/lib/App/perlbrew.pm line 505.
# Looks like you failed 1 test of 3.
t/09.exit_status.t ..................... Dubious, test returned 1 (wstat
256, 0x100)
Failed 1/3 subtests
t/10.resolve.t ......................... ok
t/11.editdist.t ........................ ok
t/11.root_from_arg.t ................... ok
t/12.destdir.t ......................... ok
t/12.sitecustomize.t ................... ok
t/13.perl_release.t .................... ok
t/14.perl_version_parsing.t ............ ok
t/15.no-reuse-build-dir.t .............. ok
t/16.release-detail.t .................. ok
t/17.release-detail-cperl-local.t ...... ok
t/18.release-detail-perl-local.t ....... ok
t/18.release-detail-perl-remote.t ...... skipped​: These tests send HTTP
requests. Set env TEST_LIVE=1 to really run them.
t/command-alias.t ...................... ok
t/command-available.t .................. ok
t/command-compgen.t .................... 1/?
# Failed test 'compgen command, when there is no args displays a list
of subcommands' by dying​:
# Not a GLOB reference
# at /tmp/hiV7_3iGYY/App-perlbrew-0.80-0/blib/lib/App/perlbrew.pm
line 505.

# Failed test 'compgen command, when there is a part of a subcommand
displays a list of l*' by dying​:
# Not a GLOB reference
# at /tmp/hiV7_3iGYY/App-perlbrew-0.80-0/blib/lib/App/perlbrew.pm
line 505.

# Failed test 'compgen command, when there is a part of a subcommand
'versio[tab]' is completed as 'version'' by dying​:
# Not a GLOB reference
# at /tmp/hiV7_3iGYY/App-perlbrew-0.80-0/blib/lib/App/perlbrew.pm
line 505.
# Looks like you failed 3 tests of 7.
t/command-compgen.t .................... Dubious, test returned 3 (wstat
768, 0x300)
Failed 3/7 subtests
t/command-display-rc.t ................. ok
t/command-env.t ........................ 1/? Attempting to create
directory /tmp/4pIlouvJTa/libs/perl-5.14.1@​nobita
t/command-env.t ........................ ok
t/command-exec.t ....................... 1/? Command [perl -E 'somesub
42'] terminated with exit code 7 ($? = 1792) under the following perl
environment​:
format_info_output_value
Command [perl -E 'say 42'] terminated with exit code 3 ($? = 768) under
the following perl environment​:
Command [perl -E 'say 42'] terminated with exit code 3 ($? = 768) under
the following perl environment​:
Command [perl -E 'say 42'] terminated with exit code 3 ($? = 768) under
the following perl environment​:
Command [perl -E 'say 42'] terminated with exit code 255 ($? = -1) under
the following perl environment​:
Command [perl -E 'say 42'] terminated with exit code 7 ($? = 1792) under
the following perl environment​:
t/command-exec.t ....................... ok
t/command-help.t ....................... ok
t/command-info.t ....................... ok
t/command-install-cpanm.t .............. ok
t/command-install-patchperl.t .......... ok
t/command-lib.t ........................ ok
t/command-list.t ....................... ok
t/current_perl.t ....................... ok
t/do_system.t .......................... ok
t/failure-command-install-cpanm.t ...... ok
t/failure-command-install-patchperl.t .. ok
t/http-program-control.t ............... ok
t/http-ua-detect-non-curl.t ............ #
PATH=/tmp/hiV7_3iGYY/App-perlbrew-0.80-0/t/fake-bin​:/usr/lib/dart/bin​:/home/jkeenan/perl5/perlbrew/bin​:/home/jkeenan/perl5/perlbrew/perls/perl-5.26.0/bin​:/usr/lib/ccache​:/usr/local/bin​:/usr/local/sbin​:/usr/local/bin​:/usr/sbin​:/usr/bin​:/sbin​:/bin​:/usr/games​:/usr/local/games​:/snap/bin​:/home/jkeenan/bin​:/home/jkeenan/bin/perl​:/home/jkeenan/bin/shell​:~/.pub-cache/bin
# curl = /tmp/hiV7_3iGYY/App-perlbrew-0.80-0/t/fake-bin/curl
t/http-ua-detect-non-curl.t ............ ok
t/http-ua-detect.t ..................... ok
t/http.t ............................... skipped​: (no reason given)
t/installation-perlbrew.t .............. ok
t/installation.t ....................... ok
t/installation2.t ...................... ok
t/installation3.t ...................... ok
t/unit-files-are-the-same.t ............ ok

Test Summary Report

t/09.exit_status.t (Wstat​: 256 Tests​: 3 Failed​: 1)
  Failed test​: 1
  Non-zero exit status​: 1
t/command-compgen.t (Wstat​: 768 Tests​: 7 Failed​: 3)
  Failed tests​: 1-3
  Non-zero exit status​: 3
Files=51, Tests=486, 10 wallclock secs ( 0.25 usr 0.04 sys + 8.40 cusr
  0.61 csys = 9.30 CPU)
Result​: FAIL
Failed 2/51 test programs. 4/486 subtests failed.
Makefile​:801​: recipe for target 'test_dynamic' failed
make​: *** [test_dynamic] Error 255
  GUGOD/App-perlbrew-0.80.tar.gz
  /usr/bin/make test -- NOT OK
//hint// to see the cpan-testers results for installing this module, try​:
  reports GUGOD/App-perlbrew-0.80.tar.gz
Died at -e line 2.
HEAD is now at a1c09da in B​::Concise, show RV target better
bad - non-zero exit from /tmp/0Kh870nPwT/bin/perl -I /home/jkeenan/.cpan
-MCPAN​::MyConfig -MCPAN -e
$CPAN​::Config->{build_dir}=q{/tmp/hiV7_3iGYY}; -e
install('App​::perlbrew'); die unless CPAN​::Shell->expand(Module =>
'App​::perlbrew')->uptodate;
#####

Summary of my perl5 (revision 5 version 27 subversion 7) configuration​:
  Commit id​: 8510c6c
  Platform​:
  osname=linux
  osvers=4.4.0-98-generic
  archname=x86_64-linux
  uname='linux zareason 4.4.0-98-generic #121-ubuntu smp tue oct 10
14​:24​:03 utc 2017 x86_64 x86_64 x86_64 gnulinux '
  config_args='-des -Dusedevel -Uversiononly
-Dprefix=/home/jkeenan/testing/blead -Dman1dir=none -Dman3dir=none'
  hint=recommended
  useposix=true
  d_sigaction=define
  useithreads=undef
  usemultiplicity=undef
  use64bitint=define
  use64bitall=define
  uselongdouble=undef
  usemymalloc=n
  default_inc_excludes_dot=define
  bincompat5005=undef
  Compiler​:
  cc='cc'
  ccflags ='-fwrapv -fno-strict-aliasing -pipe
-fstack-protector-strong -I/usr/local/include -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64'
  optimize='-O2'
  cppflags='-fwrapv -fno-strict-aliasing -pipe
-fstack-protector-strong -I/usr/local/include'
  ccversion=''
  gccversion='5.4.1 20160904'
  gccosandvers=''
  intsize=4
  longsize=8
  ptrsize=8
  doublesize=8
  byteorder=12345678
  doublekind=3
  d_longlong=define
  longlongsize=8
  d_longdbl=define
  longdblsize=16
  longdblkind=3
  ivtype='long'
  ivsize=8
  nvtype='double'
  nvsize=8
  Off_t='off_t'
  lseeksize=8
  alignbytes=8
  prototype=define
  Linker and Libraries​:
  ld='cc'
  ldflags =' -fstack-protector-strong -L/usr/local/lib'
  libpth=/usr/local/lib /usr/lib/gcc/x86_64-linux-gnu/5/include-fixed
/usr/include/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib/../lib
/usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib /lib64 /usr/lib64
  libs=-lpthread -lnsl -ldb -ldl -lm -lcrypt -lutil -lc
  perllibs=-lpthread -lnsl -ldl -lm -lcrypt -lutil -lc
  libc=libc-2.23.so
  so=so
  useshrplib=false
  libperl=libperl.a
  gnulibc_version='2.23'
  Dynamic Linking​:
  dlsrc=dl_dlopen.xs
  dlext=so
  d_dlsymun=undef
  ccdlflags='-Wl,-E'
  cccdlflags='-fPIC'
  lddlflags='-shared -O2 -L/usr/local/lib -fstack-protector-strong'

Characteristics of this binary (from libperl)​:
  Compile-time options​:
  HAS_TIMES
  PERLIO_LAYERS
  PERL_COPY_ON_WRITE
  PERL_DONT_CREATE_GVSV
  PERL_MALLOC_WRAP
  PERL_OP_PARENT
  PERL_PRESERVE_IVUV
  PERL_USE_DEVEL
  USE_64_BIT_ALL
  USE_64_BIT_INT
  USE_LARGE_FILES
  USE_LOCALE
  USE_LOCALE_COLLATE
  USE_LOCALE_CTYPE
  USE_LOCALE_NUMERIC
  USE_LOCALE_TIME
  USE_PERLIO
  USE_PERL_ATOF
  Built under linux
  Compiled at Nov 21 2017 18​:24​:22
  %ENV​:
  PERL2DIR="/home/jkeenan/gitwork/perl2"
  PERLBREW_BASHRC_VERSION="0.78"
  PERLBREW_HOME="/home/jkeenan/.perlbrew"
  PERLBREW_MANPATH="/home/jkeenan/perl5/perlbrew/perls/perl-5.26.0/man"

PERLBREW_PATH="/home/jkeenan/perl5/perlbrew/bin​:/home/jkeenan/perl5/perlbrew/perls/perl-5.26.0/bin"
  PERLBREW_PERL="perl-5.26.0"
  PERLBREW_ROOT="/home/jkeenan/perl5/perlbrew"
  PERLBREW_VERSION="0.78"
  PERL_WORKDIR="/home/jkeenan/gitwork/perl"
  @​INC​:
  lib
  /home/jkeenan/testing/blead/lib/perl5/site_perl/5.27.7/x86_64-linux
  /home/jkeenan/testing/blead/lib/perl5/site_perl/5.27.7
  /home/jkeenan/testing/blead/lib/perl5/5.27.7/x86_64-linux
  /home/jkeenan/testing/blead/lib/perl5/5.27.7

From @xsawyerx

Taking a look at the code, I imagine it's the following check​:

            if(defined *$glob{CODE}) {...}

I'll contact Gugod.

On 11/22/2017 03​:40 AM, James E Keenan (via RT) wrote​:

# New Ticket Created by James E Keenan
# Please include the string​: [perl #132483]
# in the subject line of all future correspondence about this issue.
# <URL​: https://rt-archive.perl.org/perl5/Ticket/Display.html?id=132483 >

CPAN module App​::perlbrew is broken in blead. The breakage, which
occurred this month, started somewhere *after*
b3937e2^ and at or before
a1c09da. But my bisection ended very
messily, so I can't identify the breaking commit with great confidence.
Here are some results​:

#####
Running make for G/GU/GUGOD/App-perlbrew-0.80.tar.gz
cp lib/App/perlbrew.pm blib/lib/App/perlbrew.pm
cp bin/perlbrew blib/script/perlbrew
"/tmp/0Kh870nPwT/bin/perl" "-Iinc" -MExtUtils​::MY -e 'MY->fixin(shift)'
-- blib/script/perlbrew
Manifying 1 pod document
Manifying 1 pod document
GUGOD/App-perlbrew-0.80.tar.gz
/usr/bin/make -- OK
Running make test
PERL_DL_NONLAZY=1 "/tmp/0Kh870nPwT/bin/perl" "-MExtUtils​::Command​::MM"
"-MTest​::Harness" "-e" "undef *Test​::Harness​::Switches; test_harness(0,
'inc', 'blib/lib', 'blib/arch')" t/*.t
t/00.load.t ............................ ok
t/01.options.t ......................... ok
t/02.format_perl_version.t ............. ok
t/03.path_with_tilde.t ................. ok
t/03.test_get_available_versions.t ..... ok
t/04.find_available_perls.t ............ ok
t/05.get_current_perl.t ................ ok
t/06.installed_perls.t ................. ok
t/07.argv.t ............................ ok
t/08.error_available.t ................. ok
t/08.error_install.t ................... ok
t/08.error_install_blead.t ............. ok
t/08.error_install_cpanm.t ............. ok
t/09.exit_status.t ..................... 1/?
# Failed test 'threw Regexp ((?^​:unknown-command))'
# at t/09.exit_status.t line 21.
# expecting​: Regexp ((?^​:unknown-command))
# found​: Not a GLOB reference at
/tmp/hiV7_3iGYY/App-perlbrew-0.80-0/blib/lib/App/perlbrew.pm line 505.
# Looks like you failed 1 test of 3.
t/09.exit_status.t ..................... Dubious, test returned 1 (wstat
256, 0x100)
Failed 1/3 subtests
t/10.resolve.t ......................... ok
t/11.editdist.t ........................ ok
t/11.root_from_arg.t ................... ok
t/12.destdir.t ......................... ok
t/12.sitecustomize.t ................... ok
t/13.perl_release.t .................... ok
t/14.perl_version_parsing.t ............ ok
t/15.no-reuse-build-dir.t .............. ok
t/16.release-detail.t .................. ok
t/17.release-detail-cperl-local.t ...... ok
t/18.release-detail-perl-local.t ....... ok
t/18.release-detail-perl-remote.t ...... skipped​: These tests send HTTP
requests. Set env TEST_LIVE=1 to really run them.
t/command-alias.t ...................... ok
t/command-available.t .................. ok
t/command-compgen.t .................... 1/?
# Failed test 'compgen command, when there is no args displays a list
of subcommands' by dying​:
# Not a GLOB reference
# at /tmp/hiV7_3iGYY/App-perlbrew-0.80-0/blib/lib/App/perlbrew.pm
line 505.

# Failed test 'compgen command, when there is a part of a subcommand
displays a list of l*' by dying​:
# Not a GLOB reference
# at /tmp/hiV7_3iGYY/App-perlbrew-0.80-0/blib/lib/App/perlbrew.pm
line 505.

# Failed test 'compgen command, when there is a part of a subcommand
'versio[tab]' is completed as 'version'' by dying​:
# Not a GLOB reference
# at /tmp/hiV7_3iGYY/App-perlbrew-0.80-0/blib/lib/App/perlbrew.pm
line 505.
# Looks like you failed 3 tests of 7.
t/command-compgen.t .................... Dubious, test returned 3 (wstat
768, 0x300)
Failed 3/7 subtests
t/command-display-rc.t ................. ok
t/command-env.t ........................ 1/? Attempting to create
directory /tmp/4pIlouvJTa/libs/perl-5.14.1@​nobita
t/command-env.t ........................ ok
t/command-exec.t ....................... 1/? Command [perl -E 'somesub
42'] terminated with exit code 7 ($? = 1792) under the following perl
environment​:
format_info_output_value
Command [perl -E 'say 42'] terminated with exit code 3 ($? = 768) under
the following perl environment​:
Command [perl -E 'say 42'] terminated with exit code 3 ($? = 768) under
the following perl environment​:
Command [perl -E 'say 42'] terminated with exit code 3 ($? = 768) under
the following perl environment​:
Command [perl -E 'say 42'] terminated with exit code 255 ($? = -1) under
the following perl environment​:
Command [perl -E 'say 42'] terminated with exit code 7 ($? = 1792) under
the following perl environment​:
t/command-exec.t ....................... ok
t/command-help.t ....................... ok
t/command-info.t ....................... ok
t/command-install-cpanm.t .............. ok
t/command-install-patchperl.t .......... ok
t/command-lib.t ........................ ok
t/command-list.t ....................... ok
t/current_perl.t ....................... ok
t/do_system.t .......................... ok
t/failure-command-install-cpanm.t ...... ok
t/failure-command-install-patchperl.t .. ok
t/http-program-control.t ............... ok
t/http-ua-detect-non-curl.t ............ #
PATH=/tmp/hiV7_3iGYY/App-perlbrew-0.80-0/t/fake-bin​:/usr/lib/dart/bin​:/home/jkeenan/perl5/perlbrew/bin​:/home/jkeenan/perl5/perlbrew/perls/perl-5.26.0/bin​:/usr/lib/ccache​:/usr/local/bin​:/usr/local/sbin​:/usr/local/bin​:/usr/sbin​:/usr/bin​:/sbin​:/bin​:/usr/games​:/usr/local/games​:/snap/bin​:/home/jkeenan/bin​:/home/jkeenan/bin/perl​:/home/jkeenan/bin/shell​:~/.pub-cache/bin
# curl = /tmp/hiV7_3iGYY/App-perlbrew-0.80-0/t/fake-bin/curl
t/http-ua-detect-non-curl.t ............ ok
t/http-ua-detect.t ..................... ok
t/http.t ............................... skipped​: (no reason given)
t/installation-perlbrew.t .............. ok
t/installation.t ....................... ok
t/installation2.t ...................... ok
t/installation3.t ...................... ok
t/unit-files-are-the-same.t ............ ok

Test Summary Report
-------------------
t/09.exit_status.t (Wstat​: 256 Tests​: 3 Failed​: 1)
Failed test​: 1
Non-zero exit status​: 1
t/command-compgen.t (Wstat​: 768 Tests​: 7 Failed​: 3)
Failed tests​: 1-3
Non-zero exit status​: 3
Files=51, Tests=486, 10 wallclock secs ( 0.25 usr 0.04 sys + 8.40 cusr
0.61 csys = 9.30 CPU)
Result​: FAIL
Failed 2/51 test programs. 4/486 subtests failed.
Makefile​:801​: recipe for target 'test_dynamic' failed
make​: *** [test_dynamic] Error 255
GUGOD/App-perlbrew-0.80.tar.gz
/usr/bin/make test -- NOT OK
//hint// to see the cpan-testers results for installing this module, try​:
reports GUGOD/App-perlbrew-0.80.tar.gz
Died at -e line 2.
HEAD is now at a1c09da in B​::Concise, show RV target better
bad - non-zero exit from /tmp/0Kh870nPwT/bin/perl -I /home/jkeenan/.cpan
-MCPAN​::MyConfig -MCPAN -e
$CPAN​::Config->{build_dir}=q{/tmp/hiV7_3iGYY}; -e
install('App​::perlbrew'); die unless CPAN​::Shell->expand(Module =>
'App​::perlbrew')->uptodate;
#####

Summary of my perl5 (revision 5 version 27 subversion 7) configuration​:
Commit id​: 8510c6c
Platform​:
osname=linux
osvers=4.4.0-98-generic
archname=x86_64-linux
uname='linux zareason 4.4.0-98-generic #121-ubuntu smp tue oct 10
14​:24​:03 utc 2017 x86_64 x86_64 x86_64 gnulinux '
config_args='-des -Dusedevel -Uversiononly
-Dprefix=/home/jkeenan/testing/blead -Dman1dir=none -Dman3dir=none'
hint=recommended
useposix=true
d_sigaction=define
useithreads=undef
usemultiplicity=undef
use64bitint=define
use64bitall=define
uselongdouble=undef
usemymalloc=n
default_inc_excludes_dot=define
bincompat5005=undef
Compiler​:
cc='cc'
ccflags ='-fwrapv -fno-strict-aliasing -pipe
-fstack-protector-strong -I/usr/local/include -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64'
optimize='-O2'
cppflags='-fwrapv -fno-strict-aliasing -pipe
-fstack-protector-strong -I/usr/local/include'
ccversion=''
gccversion='5.4.1 20160904'
gccosandvers=''
intsize=4
longsize=8
ptrsize=8
doublesize=8
byteorder=12345678
doublekind=3
d_longlong=define
longlongsize=8
d_longdbl=define
longdblsize=16
longdblkind=3
ivtype='long'
ivsize=8
nvtype='double'
nvsize=8
Off_t='off_t'
lseeksize=8
alignbytes=8
prototype=define
Linker and Libraries​:
ld='cc'
ldflags =' -fstack-protector-strong -L/usr/local/lib'
libpth=/usr/local/lib /usr/lib/gcc/x86_64-linux-gnu/5/include-fixed
/usr/include/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib/../lib
/usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib /lib64 /usr/lib64
libs=-lpthread -lnsl -ldb -ldl -lm -lcrypt -lutil -lc
perllibs=-lpthread -lnsl -ldl -lm -lcrypt -lutil -lc
libc=libc-2.23.so
so=so
useshrplib=false
libperl=libperl.a
gnulibc_version='2.23'
Dynamic Linking​:
dlsrc=dl_dlopen.xs
dlext=so
d_dlsymun=undef
ccdlflags='-Wl,-E'
cccdlflags='-fPIC'
lddlflags='-shared -O2 -L/usr/local/lib -fstack-protector-strong'

Characteristics of this binary (from libperl)​:
Compile-time options​:
HAS_TIMES
PERLIO_LAYERS
PERL_COPY_ON_WRITE
PERL_DONT_CREATE_GVSV
PERL_MALLOC_WRAP
PERL_OP_PARENT
PERL_PRESERVE_IVUV
PERL_USE_DEVEL
USE_64_BIT_ALL
USE_64_BIT_INT
USE_LARGE_FILES
USE_LOCALE
USE_LOCALE_COLLATE
USE_LOCALE_CTYPE
USE_LOCALE_NUMERIC
USE_LOCALE_TIME
USE_PERLIO
USE_PERL_ATOF
Built under linux
Compiled at Nov 21 2017 18​:24​:22
%ENV​:
PERL2DIR="/home/jkeenan/gitwork/perl2"
PERLBREW_BASHRC_VERSION="0.78"
PERLBREW_HOME="/home/jkeenan/.perlbrew"
PERLBREW_MANPATH="/home/jkeenan/perl5/perlbrew/perls/perl-5.26.0/man"

PERLBREW_PATH="/home/jkeenan/perl5/perlbrew/bin​:/home/jkeenan/perl5/perlbrew/perls/perl-5.26.0/bin"
PERLBREW_PERL="perl-5.26.0"
PERLBREW_ROOT="/home/jkeenan/perl5/perlbrew"
PERLBREW_VERSION="0.78"
PERL_WORKDIR="/home/jkeenan/gitwork/perl"
@​INC​:
lib
/home/jkeenan/testing/blead/lib/perl5/site_perl/5.27.7/x86_64-linux
/home/jkeenan/testing/blead/lib/perl5/site_perl/5.27.7
/home/jkeenan/testing/blead/lib/perl5/5.27.7/x86_64-linux
/home/jkeenan/testing/blead/lib/perl5/5.27.7

The RT System itself - Status changed from 'new' to 'open'

From @iabyn

On Tue, Nov 21, 2017 at 06​:40​:46PM -0800, James E Keenan wrote​:

CPAN module App​::perlbrew is broken in blead. The breakage, which
occurred this month, started somewhere *after*
b3937e2^ and at or before
a1c09da.

To save people looking, that's 177 commits in the range
  v5.27.5-181-gb3937e2
to v5.27.5-357-ga1c09da

--
Red sky at night - gerroff my land!
Red sky at morning - gerroff my land!
  -- old farmers' sayings #14

From @atoomic

Thanks, James & Dave, after a git bisect on my side it appears that it comes from commit d964025
can you confirm that you are viewing the same offending commit?

___
Bisecting​: 87 revisions left to test after this (roughly 7 steps)
[2ac5cb3] Bump version of B/O.pm to 1.03

p5h/perl5demo@d964025

...

d964025 is the first bad commit
commit d964025
Author​: Father Chrysostomos <sprout@​cpan.org>
Date​: Sun Oct 29 11​:21​:45 2017 -0700

  Revert "Temporarily revert CV-in-stash optimisation"

  This reverts commit 6eed25e.

:100644 100644 c61bfd08deb1ff7fc5f0795f180adebd635862c0 368f9b146e6284750fa9949a77a88d26e76c2a74 M op.c
:040000 040000 c3bc134118d6dfd1e02aaf2106045d59bc65ed60 4f56c0f0c1873c14139cfdc0d2dc95e219aabda2 M t

On Wed, 22 Nov 2017 03​:34​:24 -0800, davem wrote​:

On Tue, Nov 21, 2017 at 06​:40​:46PM -0800, James E Keenan wrote​:

CPAN module App​::perlbrew is broken in blead. The breakage, which
occurred this month, started somewhere *after*
b3937e2^ and at or before
a1c09da.

To save people looking, that's 177 commits in the range
v5.27.5-181-gb3937e2
to v5.27.5-357-ga1c09da

From @atoomic

The App​::perlbrew code is expecting that any stash entry points to a GV, whereas now since 5.27.ish it can be a simple CV...
The code from App​::perlbrew​::commands sub needs some easy tweak.

I suspect that this might not be the only module expecting a GV for a stash entry...
We will probably discover more Modules over time that need similar patch.

I've submitted upstream ( App​::perlbrew repo a fix for it)
gugod/App-perlbrew#581

I think we should close this ticket as this an upstream issue.

thanks
nicolas

On Wed, 22 Nov 2017 08​:10​:24 -0800, atoomic@​cpan.org wrote​:

Thanks, James & Dave, after a git bisect on my side it appears that it
comes from commit d964025
can you confirm that you are viewing the same offending commit?

___
Bisecting​: 87 revisions left to test after this (roughly 7 steps)
[2ac5cb3] Bump version of B/O.pm to
1.03

p5h/perl5demo@d964025

...

d964025 is the first bad commit
commit d964025
Author​: Father Chrysostomos <sprout@​cpan.org>
Date​: Sun Oct 29 11​:21​:45 2017 -0700

Revert "Temporarily revert CV-in-stash optimisation"

This reverts commit 6eed25e.

:100644 100644 c61bfd08deb1ff7fc5f0795f180adebd635862c0
368f9b146e6284750fa9949a77a88d26e76c2a74 M op.c
:040000 040000 c3bc134118d6dfd1e02aaf2106045d59bc65ed60
4f56c0f0c1873c14139cfdc0d2dc95e219aabda2 M t

On Wed, 22 Nov 2017 03​:34​:24 -0800, davem wrote​:

On Tue, Nov 21, 2017 at 06​:40​:46PM -0800, James E Keenan wrote​:

CPAN module App​::perlbrew is broken in blead. The breakage, which
occurred this month, started somewhere *after*
b3937e2^ and at or before
a1c09da.

To save people looking, that's 177 commits in the range
v5.27.5-181-gb3937e2
to v5.27.5-357-ga1c09da

From @jkeenan

On Wed, 22 Nov 2017 17​:00​:24 GMT, atoomic@​cpan.org wrote​:

The App​::perlbrew code is expecting that any stash entry points to a
GV, whereas now since 5.27.ish it can be a simple CV...
The code from App​::perlbrew​::commands sub needs some easy tweak.

I suspect that this might not be the only module expecting a GV for a
stash entry...
We will probably discover more Modules over time that need similar
patch.

I've submitted upstream ( App​::perlbrew repo a fix for it)
gugod/App-perlbrew#581

I think we should close this ticket as this an upstream issue.

thanks
nicolas

On Wed, 22 Nov 2017 08​:10​:24 -0800, atoomic@​cpan.org wrote​:

Thanks, James & Dave, after a git bisect on my side it appears that
it
comes from commit d964025
can you confirm that you are viewing the same offending commit?

___
Bisecting​: 87 revisions left to test after this (roughly 7 steps)
[2ac5cb3] Bump version of B/O.pm to
1.03

p5h/perl5demo@d964025

...

d964025 is the first bad commit
commit d964025
Author​: Father Chrysostomos <sprout@​cpan.org>
Date​: Sun Oct 29 11​:21​:45 2017 -0700

Revert "Temporarily revert CV-in-stash optimisation"

This reverts commit 6eed25e.

:100644 100644 c61bfd08deb1ff7fc5f0795f180adebd635862c0
368f9b146e6284750fa9949a77a88d26e76c2a74 M op.c
:040000 040000 c3bc134118d6dfd1e02aaf2106045d59bc65ed60
4f56c0f0c1873c14139cfdc0d2dc95e219aabda2 M t

On Wed, 22 Nov 2017 03​:34​:24 -0800, davem wrote​:

On Tue, Nov 21, 2017 at 06​:40​:46PM -0800, James E Keenan wrote​:

CPAN module App​::perlbrew is broken in blead. The breakage,
which
occurred this month, started somewhere *after*
b3937e2^ and at or before
a1c09da.

To save people looking, that's 177 commits in the range
v5.27.5-181-gb3937e2
to v5.27.5-357-ga1c09da

Nicolas, Dave M, thanks for that analysis. I'm reluctant to close this ticket at this time because I suspect that the number of CPAN distros that will have to modify their code to accommodate this change will be significant. I have confirmed that MOP is now failing against blead, as is QBit-WebInterface (though that is obscured by absence of an upstream C library).

While I don't think that the amount of repair work to be done on CPAN will be as great as, say, that needed for no-dot-in-@​INC in perl-5.26.0, that work will still be significant.

I wonder whether the commit(s) which triggered these failures was absolutely necessary -- but I don't claim to understand those issues well enough.

Thank you very much.

--
James E Keenan (jkeenan@​cpan.org)

From @cpansprout

On Wed, 22 Nov 2017 09​:44​:45 -0800, jkeenan wrote​:

Nicolas, Dave M, thanks for that analysis. I'm reluctant to close
this ticket at this time because I suspect that the number of CPAN
distros that will have to modify their code to accommodate this change
will be significant.

But we already have #132252 to cover this issue. Tracking it in two separate tickets is just going to be confusing.

--

Father Chrysostomos

From @iabyn

On Wed, Nov 22, 2017 at 10​:07​:11AM -0800, Father Chrysostomos via RT wrote​:

On Wed, 22 Nov 2017 09​:44​:45 -0800, jkeenan wrote​:

Nicolas, Dave M, thanks for that analysis. I'm reluctant to close
this ticket at this time because I suspect that the number of CPAN
distros that will have to modify their code to accommodate this change
will be significant.

But we already have #132252 to cover this issue. Tracking it in two
separate tickets is just going to be confusing.

Closing.

--
Counsellor Troi states something other than the blindingly obvious.
  -- Things That Never Happen in "Star Trek" #16

@iabyn - Status changed from 'open' to 'resolved'