Feature #16170: Remove the unmaintained libraries from Ruby 2.7

• Status: Closed
• Assignee: hsbt (Hiroshi SHIBATA)
• Target version: -
• Tags: lib

[hsbt (Hiroshi SHIBATA)]

I'm working to extract standard libraries to rubygems in recent years. So, the standard libraries will be promoted the default gems or bundled gems.

But I suggest removing some of the unmaintained libraries without default/bundled gems.

These are here:

• cmath
• mutex_m
• scanf
• shell
• sync
• thwait
• tracer

We should reduce the maintenance cost for them.

[hsbt (Hiroshi SHIBATA)]

• Related to Feature #5481: Gemifying Ruby standard library added

[shevegen (Robert A. Heiler)]

Agreed. Might also be simpler to get full support in gem-spec format
for those libraries that are maintained. :)

Some of them I have not even read before at all, such as mutex_m.

[hsbt (Hiroshi SHIBATA)]

• Description updated (diff)

[hsbt (Hiroshi SHIBATA)]

Can we also remove them?

• debug
• getoptlong

[ko1 (Koichi Sasada)]

I'll maintain debug. Can we remain it as bundled gem?

[hsbt (Hiroshi SHIBATA)]

Can we remain it as bundled gem?

sounds good.

We are going to remove them at Ruby 2.7.0-preview2

• cmath
• scanf
• shell
• sync
• thwait

We need to investigate the following stdlibs with irb. After resolve dependencies, We will remove them.

• tracer
• e2mmap

debug will be promoted the bundled gems, mutex_m and getoptlong remains in stdlibs at Ruby 2.7.

[mame (Yusuke Endoh)]

FYI: How many times the gems is required from all latest public gems by using gem-codesearch.

$ csearch "require .mutex_m.$" | wc -l
199
$ csearch "require .scanf.$" | wc -l
119
$ csearch "require .thwait.$" | wc -l
84
$ csearch "require .sync.$" | wc -l
83
$ csearch "require .tracer.$" | wc -l
77
$ csearch "require .shell.$" | wc -l
72
$ csearch "require .cmath.$" | wc -l
22

[vo.x (Vit Ondruch)]

Just FTR, I am using tracer from time to time, typically just from command line as -rtracer. I'll be sad to see it go away ...

[hsbt (Hiroshi SHIBATA)]

• Tags set to lib
• Status changed from Assigned to Closed

I removed them at Ruby 2.7.