~/bibisect-win32-5.2
$ git bisect bad
5f23425b02a9254a03d1a5d6873dd459b06e00c7 is the first bad commit
commit 5f23425b02a9254a03d1a5d6873dd459b06e00c7
Author: Norbert Thiebaud <nthiebaud@gmail.com>
Date:   Sat Dec 12 14:41:19 2015 -0800

    source sha:8045b87609409c944e3e89e7e11c00822a214512

    source sha:8045b87609409c944e3e89e7e11c00822a214512

:040000 040000 8610ee73e357dcdab8a979b5132048abef3c56d5 922f531ed008ac1d67ff978e0aaa4fe70f3fd85a M      instdir

 ~/bibisect-win32-5.2
$ git bisect log
# bad: [86cb9d229718f48f9538032b80037238ea79e8a5] source sha:78223678b7513ffe46804cb08f2dc5bc899b2bab
# good: [1f670510f08cb800cbae2a1dd6ea70d3542e4721] source sha:49c2b9808df8a6b197dec666dfc0cda6321a4306
git bisect start 'origin/master' 'oldest'
# bad: [3f9909c4c2ada7a3c705eba0e7ff39f96fb4dcae] source sha:b08e200c3dfa964f257c8b7719ef9c801fb107d7
git bisect bad 3f9909c4c2ada7a3c705eba0e7ff39f96fb4dcae
# bad: [73b30cd08e6a8875e5948ffe1f468c343d48d423] source sha:7cca8d3b3f5a9eda0060342fd2576d08a874b1c3
git bisect bad 73b30cd08e6a8875e5948ffe1f468c343d48d423
# bad: [c9c76d38b1ac66a9b3dca62e6d7b049cd916eba2] source sha:9d1ee5a5b4730a6d3da4e8a02a08d1d27e9d27e4
git bisect bad c9c76d38b1ac66a9b3dca62e6d7b049cd916eba2
# good: [dc09262c27f0777c5077ccff4a77801cbb8abb30] source sha:b0e427d8aac1a54681a2a6d0acbd1b54394961b9
git bisect good dc09262c27f0777c5077ccff4a77801cbb8abb30
# bad: [782c647b52c06e8c3924f5b84c2d48845959a417] source sha:0034019480167d50df33865389a6d21e8d5b9cec
git bisect bad 782c647b52c06e8c3924f5b84c2d48845959a417
# good: [bdf031bbeb088ddb4977a45a4972907831e2a9ea] source sha:1b12d0dcee6981e49da2597a45ad2f2557fa6730
git bisect good bdf031bbeb088ddb4977a45a4972907831e2a9ea
# good: [7a4ee1f61ad6fbee2a1756bdff8ea65eadb07547] source sha:7bc1f1285e82982b5d900f54f3c6f877517598b8
git bisect good 7a4ee1f61ad6fbee2a1756bdff8ea65eadb07547
# good: [80070f7633fe8ddae5513133d028f479c054672a] source sha:14bb81ef5666a9e775208ffae947bb8ba76bc8cb
git bisect good 80070f7633fe8ddae5513133d028f479c054672a
# good: [dfa5c335ae64dd9ab492c39457763ddbd2160814] source sha:a3d6d9e4466f9a3d6d2c34bb8f372a5265583573
git bisect good dfa5c335ae64dd9ab492c39457763ddbd2160814
# bad: [5d69a8b0118ef1c12d25d03de0b68b5d4f6b4933] source sha:c2b2e698666ab51c346087b69a119a3b2026f23c
git bisect bad 5d69a8b0118ef1c12d25d03de0b68b5d4f6b4933
# good: [2b86878ec9fc7fa78777ae4b24ca40df5ca36b5d] source sha:6ac9a4f0a36677216660b29e26ce99c3b0a51e36
git bisect good 2b86878ec9fc7fa78777ae4b24ca40df5ca36b5d
# good: [3e022947b5721c2ab08993bb5cb944286c09d322] source sha:917d59a84124d1022bd1912874e7a53c674784f1
git bisect good 3e022947b5721c2ab08993bb5cb944286c09d322
# bad: [5f23425b02a9254a03d1a5d6873dd459b06e00c7] source sha:8045b87609409c944e3e89e7e11c00822a214512
git bisect bad 5f23425b02a9254a03d1a5d6873dd459b06e00c7
# first bad commit: [5f23425b02a9254a03d1a5d6873dd459b06e00c7] source sha:8045b87609409c944e3e89e7e11c00822a214512