igrigorik / bugspots Goto Github PK

Implementation of simple bug prediction hotspot heuristic

Home Page: http://google-engtools.blogspot.com/2011/12/bug-prediction-at-google.html

Ruby 100.00%

bugspots's Issues

crash - stack trace

I am trying this utility and I was wondering what the issue might be

C:\Ruby192>bugspots p:\projects\opencover.git\working
Scanning p:\projects\opencover.git\working repo
C:/Ruby192/lib/ruby/gems/1.9.1/gems/grit-2.4.1/lib/grit/process.rb:290:in `spawn
': can't convert nil into String (TypeError)
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/grit-2.4.1/lib/grit/process.rb:
290:in `spawn'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/grit-2.4.1/lib/grit/process.rb:
271:in `popen4'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/grit-2.4.1/lib/grit/process.rb:
97:in `exec!'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/grit-2.4.1/lib/grit/process.rb:
68:in `initialize'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/grit-2.4.1/lib/grit/git.rb:301:
in `new'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/grit-2.4.1/lib/grit/git.rb:301:
in `native'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/grit-2.4.1/lib/grit/git.rb:325:
in `method_missing'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/grit-2.4.1/lib/grit/commit_stat
s.rb:39:in `find_all'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/grit-2.4.1/lib/grit/repo.rb:352
:in `commit_stats'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/grit-2.4.1/lib/grit/commit.rb:2
24:in `stats'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bugspots-0.0.4/lib/bugspots/sca
nner.rb:20:in `block in scan'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bugspots-0.0.4/lib/bugspots/sca
nner.rb:18:in `each'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bugspots-0.0.4/lib/bugspots/sca
nner.rb:18:in `scan'
        from C:/Ruby192/lib/ruby/gems/1.9.1/gems/bugspots-0.0.4/bin/bugspots:44:
in `<top (required)>'
        from C:/Ruby192/bin/bugspots:19:in `load'
        from C:/Ruby192/bin/bugspots:19:in `<main>'

C:\Ruby192>

This doesn't work with single branch, which is not master

bash-3.2$ git bugspots
Scanning /Users/aaa/GitHub/service repo
/usr/local/lib/ruby/gems/2.4.0/gems/bugspots-0.2.1/lib/bugspots/scanner.rb:13:in scan': no such branch in the repo: master (ArgumentError) from /usr/local/lib/ruby/gems/2.4.0/gems/bugspots-0.2.1/bin/bugspots:52:in <top (required)>'
from /usr/local/bin/bugspots:22:in load' from /usr/local/bin/bugspots:22:in

'
bash-3.2$ git branch

develop
bash-3.2$ git checkout -B master
Switched to a new branch 'master'
bash-3.2$ git branch
develop
master
bash-3.2$ git bugspots
Scanning /Users/aaaa/GitHub/service repo
Found xxx bugfix commits, with xxx hotspots:

Invalid byte code issue

Getting below failure on our code base .. Same stuff is working on smaller and other projects

bugspots /Users/sumitnagal/dev/src/ -b develop
Scanning /Users/sumitnagal/dev/src/ repo
/usr/local/lib/ruby/gems/2.4.0/gems/bugspots-0.2.1/lib/bugspots/scanner.rb:20:in =~': invalid byte sequence in UTF-8 (ArgumentError) from /usr/local/lib/ruby/gems/2.4.0/gems/bugspots-0.2.1/lib/bugspots/scanner.rb:20:in block in scan'
from /usr/local/lib/ruby/gems/2.4.0/gems/bugspots-0.2.1/lib/bugspots/scanner.rb:19:in each' from /usr/local/lib/ruby/gems/2.4.0/gems/bugspots-0.2.1/lib/bugspots/scanner.rb:19:in scan'
from /usr/local/lib/ruby/gems/2.4.0/gems/bugspots-0.2.1/bin/bugspots:52:in <top (required)>' from /usr/local/bin/bugspots:22:in load'
from /usr/local/bin/bugspots:22:in `

Stack trace when I run against my repo

mwarkentin@Michaels-MacBook-Air wa (iteration-1.16) $ bugspots /Users/mwarkentin/WaveAccounting/wa
Scanning /Users/mwarkentin/WaveAccounting/wa repo
/Library/Ruby/Gems/1.8/gems/grit-2.4.1/lib/grit/git-ruby/internal/pack.rb:198:in `find_object_in_index': stack level too deep (SystemStackError)
    from /Library/Ruby/Gems/1.8/gems/grit-2.4.1/lib/grit/git-ruby/internal/pack.rb:233:in `find_object'
    from /Library/Ruby/Gems/1.8/gems/grit-2.4.1/lib/grit/git-ruby/internal/pack.rb:70:in `with_idx'
    from /Library/Ruby/Gems/1.8/gems/grit-2.4.1/lib/grit/git-ruby/internal/pack.rb:232:in `find_object'
    from /Library/Ruby/Gems/1.8/gems/grit-2.4.1/lib/grit/git-ruby/internal/pack.rb:115:in `[]'
    from /Library/Ruby/Gems/1.8/gems/grit-2.4.1/lib/grit/git-ruby/repository.rb:78:in `get_raw_object_by_sha1'
    from /Library/Ruby/Gems/1.8/gems/grit-2.4.1/lib/grit/git-ruby/repository.rb:77:in `each'
    from /Library/Ruby/Gems/1.8/gems/grit-2.4.1/lib/grit/git-ruby/repository.rb:77:in `get_raw_object_by_sha1'
    from /Library/Ruby/Gems/1.8/gems/grit-2.4.1/lib/grit/git-ruby/repository.rb:105:in `get_object_by_sha1'
     ... 1338 levels...
    from /Library/Ruby/Gems/1.8/gems/bugspots-0.0.1/lib/bugspots/scanner.rb:12:in `scan'
    from /Library/Ruby/Gems/1.8/gems/bugspots-0.0.1/bin/bugspots:18
    from /usr/bin/bugspots:19:in `load'
    from /usr/bin/bugspots:19

Using depth parameter does not work

git bugspots -d 2000 yields this error when used on gnome/evolution repo:

[m0hawk@m0hawkPC evolution]$ git bugspots -d 2000
Scanning /home/m0hawk/Documents/bachelorthesis/evolution -d 2000 repo
/home/m0hawk/.gem/ruby/2.3.0/gems/bugspots-0.2.1/lib/bugspots/scanner.rb:11:in `new': Failed to resolve path '/home/m0hawk/Documents/bachelorthesis/evolution -d 2000': No such file or directory (Rugged::OSError)
    from /home/m0hawk/.gem/ruby/2.3.0/gems/bugspots-0.2.1/lib/bugspots/scanner.rb:11:in `scan'
    from /home/m0hawk/.gem/ruby/2.3.0/gems/bugspots-0.2.1/bin/bugspots:52:in `<top (required)>'
    from /home/m0hawk/.gem/ruby/2.3.0/bin/bugspots:23:in `load'
    from /home/m0hawk/.gem/ruby/2.3.0/bin/bugspots:23:in `<main>'

Failure on a few Private Repos

BugSpots Fails with the following message on a few repos

Failed to run BugSpots: /var/lib/gems/2.3.0/gems/bugspots-0.2.2/lib/bugspots/scanner.rb:31:in `scan': undefined method `date' for nil:NilClass (NoMethodError)
	from /var/lib/gems/2.3.0/gems/bugspots-0.2.2/bin/bugspots:49:in `<top (required)>'
	from /usr/local/bin/bugspots:22:in `load'
	from /usr/local/bin/bugspots:22:in `<main>'

using the following command
git bugspots -b BranchName -d Depth

Add No Merges Option

Removing merges from the commit history should give more relevant results for a given depth.

Grit allows native git commands, so this can be done by just passing options to rev-list and then parsing the list of commits.

Feature request: Specify a directory that isn't root

I have a large project, where I only want to see bug spots in one of the subdirectories, but when I tried running bugspots -b mybranch ./directory I got the error Invalid Git repository - please run from or specify the full path to the root of the project.. I can look into adding this feature next week, but was wondering if anyone else thinks this would be useful? Is this repo open to outside contributors?

0.2.0 gem specifies no upper limit for rugged version but needs <= 0.19.0

rugged 0.21.0 removed some of the deprecated api (Rugged::Branch.each_name).

0.19.0 works.

Can bugspot be integrated with github

Can bugspot be integrated with github . If somebody checkin a file which is a hotspot , an alert need to be send to team

0.2.0 does not terminate on itself

Running bugspots on its own repository (master 2014-07-01) does not terminate. Meaningful results are printed, though.

Terminates on other repositories (e.g. rugged).

mint 16, ruby 1.9.1

/usr/bin/bugspots:6:in `require': no such file to load -- bugspots (LoadError)

After installing and linking to the executable:
gem install bugspots
gem install rainbow # This should be listed in dependencies?
ln -s /var/lib/gems/1.8/gems/bugspots-0.0.1/bin/bugspots /usr/bin/bugspots

I get this error:
/usr/bin/bugspots:6:in `require': no such file to load -- bugspots (LoadError)
from /usr/bin/bugspots:6

rainbow related errors when run with ruby 2.0.0p451

Seeing an error when run bugspots on ruby 2.0.0p451

*** LOCAL GEMS ***
bugspots (0.1.2)
rainbow (2.0.0)
rake (0.9.6)
...

bin$ bugspots demo
/Library/Ruby/Gems/2.0.0/gems/bugspots-0.1.2/bin/bugspots:47:in <top (required)>': undefined methodforeground' for "Scanning demo repo":String (NoMethodError)
from /usr/bin/bugspots:23:in load' from /usr/bin/bugspots:23:in

make error : undefined reference to `xxxxxx'

I tried to install bugports on Windows(MSYS2). However, I cannot install because of some compile error.

My Installation Instructions

Install MSYS2.
run msys2_shell.bat and

pacman -S mingw-w64-i686-ruby mingw-w64-x86_64-ruby mingw-w64-i686-clang mingw-w64-x86_64-clang mingw-w64-i686-libxml2 mingw-w64-x86_64-libxml2 libxml2 mingw-w64-i686-cmake mingw-w64-x86_64-cmake cmake

run mingw64_shell.bat and

gem install bugspots

error

current directory: D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged
D:/msys64/mingw64/bin/ruby.exe -r ./siteconf20160406-14748-10fbth3.rb extconf.rb
checking for gmake... no
checking for make... yes
checking for cmake... yes
 -- cmake .. -DBUILD_CLAR=OFF -DTHREADSAFE=ON -DBUILD_SHARED_LIBS=OFF -DCMAKE_C_FLAGS=-fPIC -DCMAKE_BUILD_TYPE=RelWithDebInfo -G "Unix Makefiles"
 -- D:\msys64\usr\bin/make.exe
checking for main() in -lgit2... yes
checking for git2.h... yes
creating Makefile

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  D:/msys64/mingw64/lib/ruby/gems/2.3.0/extensions/x64-mingw32/2.3.0/rugged-0.24.0/mkmf.log

current directory: D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged
make "DESTDIR=" clean

current directory: D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged
make "DESTDIR="
generating rugged-x64-mingw32.def
compiling rugged.c
compiling rugged_backend.c
compiling rugged_blame.c
compiling rugged_blob.c
compiling rugged_branch.c
compiling rugged_branch_collection.c
compiling rugged_commit.c
compiling rugged_config.c
compiling rugged_cred.c
compiling rugged_diff.c
compiling rugged_diff_delta.c
compiling rugged_diff_hunk.c
compiling rugged_diff_line.c
compiling rugged_index.c
compiling rugged_note.c
compiling rugged_object.c
compiling rugged_patch.c
compiling rugged_rebase.c
compiling rugged_reference.c
compiling rugged_reference_collection.c
compiling rugged_remote.c
compiling rugged_remote_collection.c
compiling rugged_repo.c
compiling rugged_revwalk.c
compiling rugged_settings.c
compiling rugged_signature.c
compiling rugged_submodule.c
compiling rugged_submodule_collection.c
compiling rugged_tag.c
compiling rugged_tag_collection.c
compiling rugged_tree.c
linking shared-object rugged/rugged.so
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(filebuf.c.obj): In function `write_deflate':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/filebuf.c:171: undefined reference to `deflate'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(filebuf.c.obj): In function `git_filebuf_cleanup':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/filebuf.c:118: undefined reference to `deflateEnd'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(filebuf.c.obj): In function `git_filebuf_open':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/filebuf.c:308: undefined reference to `deflateInit_'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(odb_loose.c.obj): In function `finish_inflate':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/odb_loose.c:212: undefined reference to `inflate'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/odb_loose.c:214: undefined reference to `inflateEnd'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(odb_loose.c.obj): In function `read_header_loose':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/odb_loose.c:444: undefined reference to `inflateInit_'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/odb_loose.c:449: undefined reference to `inflate'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(odb_loose.c.obj): In function `inflate_buffer':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/odb_loose.c:245: undefined reference to `inflateInit_'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/odb_loose.c:251: undefined reference to `inflate'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/odb_loose.c:253: undefined reference to `inflateEnd'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(odb_loose.c.obj): In function `start_inflate':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/odb_loose.c:201: undefined reference to `inflateInit_'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/odb_loose.c:204: undefined reference to `inflate'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(odb_loose.c.obj): In function `inflate_tail':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/odb_loose.c:292: undefined reference to `inflateEnd'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/odb_loose.c:277: undefined reference to `inflateEnd'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(pack.c.obj): In function `packfile_unpack_compressed':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/pack.c:873: undefined reference to `inflateInit_'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/pack.c:884: undefined reference to `inflate'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/pack.c:899: undefined reference to `inflateEnd'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/pack.c:891: undefined reference to `inflateEnd'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(pack.c.obj): In function `git_packfile_stream_open':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/pack.c:796: undefined reference to `inflateInit_'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(pack.c.obj): In function `git_packfile_stream_read':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/pack.c:822: undefined reference to `inflate'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(pack.c.obj): In function `git_packfile_stream_free':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/pack.c:847: undefined reference to `inflateEnd'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(zstream.c.obj): In function `git_zstream_init':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/zstream.c:33: undefined reference to `deflateInit_'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(zstream.c.obj): In function `git_zstream_reset':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/zstream.c:44: undefined reference to `deflateReset'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(zstream.c.obj): In function `git_zstream_get_output':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/zstream.c:100: undefined reference to `deflate'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/zstream.c:100: undefined reference to `deflate'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(zstream.c.obj): In function `git_zstream_free':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/zstream.c:39: undefined reference to `deflateEnd'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/zstream.c:39: undefined reference to `deflateEnd'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(indexer.c.obj): In function `crc_object':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/indexer.c:246: undefined reference to `crc32'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/indexer.c:253: undefined reference to `crc32'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(indexer.c.obj): In function `hash_and_save':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/indexer.c:388: undefined reference to `crc32'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(indexer.c.obj): In function `inject_object':
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/indexer.c:706: undefined reference to `crc32'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/indexer.c:714: undefined reference to `crc32'
D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/ext/rugged/../../vendor/libgit2/build/libgit2.a(indexer.c.obj):D:/msys64/mingw64/lib/ruby/gems/2.3.0/gems/rugged-0.24.0/vendor/libgit2/src/indexer.c:724: more undefined references to `crc32' follow
collect2.exe: error: ld returned 1 exit status
Makefile:254: ターゲット 'rugged.so' のレシピで失敗しました
make: *** [rugged.so] エラー 1

make failed, exit code 2

Env

$ gcc --version
gcc.exe (Rev4, Built by MSYS2 project) 5.3.0
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$ ruby --version
ruby 2.3.0p0 (2015-12-25 revision 53290) [x64-mingw32]
$ cmake --version
cmake version 3.4.1

CMake suite maintained and supported by Kitware (kitware.com/cmake).
$ make --version
GNU Make 4.1
このプログラムは x86_64-pc-msys 用にビルドされました
Copyright (C) 1988-2014 Free Software Foundation, Inc.
ライセンス GPLv3+: GNU GPL バージョン 3 以降 <http://gnu.org/licenses/gpl.html>
これはフリーソフトウェアです: 自由に変更および配布できます.
法律の許す限り、　無保証　です.
$ git --version
git version 2.7.4

Should Only Include Files That Still Exist in the Repo

Currently, every file in any fixing commit will be included in the hotspots list. Should select only the files that still exist at HEAD in the git repo.

Should Use Last Commit Date not Current Time

To calculate the timestamp, it would probably be better to use the time of the last fix.date instead of Time.now. This way the hotspot values will not change over time, only on new commits.

Integrate better with Git

If you rename the executable to ex. git-bugspots and put it in the path, the main git-program will integrate with it.

Ex. try putting git-helloworld somewhere in your path:

#!/bin/sh
echo "Hello, Git"

And then run it though git:

> git helloworld
Hello, Git

This doesn't support help option and failing on few projects with below Error

bash-3.2$ git bugspots --help
No manual entry for git-bugspots

mtvd125a0000% git-bugspots
Scanning /Users/aaaa/dev/project/src repo
/usr/local/lib/ruby/gems/2.3.0/gems/bugspots-0.2.1/lib/bugspots/scanner.rb:20:in =~': invalid byte sequence in UTF-8 (ArgumentError) from /usr/local/lib/ruby/gems/2.3.0/gems/bugspots-0.2.1/lib/bugspots/scanner.rb:20:in block in scan'
from /usr/local/lib/ruby/gems/2.3.0/gems/bugspots-0.2.1/lib/bugspots/scanner.rb:19:in each' from /usr/local/lib/ruby/gems/2.3.0/gems/bugspots-0.2.1/lib/bugspots/scanner.rb:19:in scan'
from /usr/local/lib/ruby/gems/2.3.0/gems/bugspots-0.2.1/bin/bugspots:52:in <top (required)>' from /usr/local/bin/bugspots:23:in load'
from /usr/local/bin/bugspots:23:in `

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