~/bibisect-win32-5.1
$ git bisect good
88628f55a76d8213185d063c607d389ca36d7c38 is the first bad commit
commit 88628f55a76d8213185d063c607d389ca36d7c38
Author: Norbert Thiebaud <nthiebaud@gmail.com>
Date:   Fri Aug 7 13:54:46 2015 -0700

    source sha:c64a7ce1fcd1e30956a77530d0b76ad493841024

    source sha:c64a7ce1fcd1e30956a77530d0b76ad493841024

:040000 040000 f7292737a7a03413c62fe16c2aaad85e903c6d5f d3d0bf24a1e2532878873cde508942ee4a718f41 M      instdir

~/bibisect-win32-5.1
$ git bisect log
# bad: [05d11632892a322664fb52bac90b2598b7fb7544] source sha:5616d22b57a9a5e57d545e912e029162a230829b
# good: [c1efd324c6ad448ac9edb030dc9738b9e6899e4d] source sha:ab465b90f6c6da5595393a0ba73f33a1e71a2b65
git bisect start 'origin/master' 'oldest'
# bad: [97526ab777da7e58ce283c05498262ecdd4d6f7f] source sha:4ea70f87f7a2b61eda6e5ab1f48debf6fcfadc1f
git bisect bad 97526ab777da7e58ce283c05498262ecdd4d6f7f
# good: [2202cdaa0eae3f646f1285a0ea45934edeb26e8a] source sha:a88bf8fd10c42a15e5d6e66da656889c82b4933a
git bisect good 2202cdaa0eae3f646f1285a0ea45934edeb26e8a
# bad: [13169de9868218d603d1ae26805ebf4583e7d628] source sha:6f98a0ab51cc5c860576b4ad44478b438cc5a5eb
git bisect bad 13169de9868218d603d1ae26805ebf4583e7d628
# good: [a2e73a5257c1598c1070ec06105c1dffaef3842e] source sha:01d1165572f53ca50c626fa036343932c1e8c5db
git bisect good a2e73a5257c1598c1070ec06105c1dffaef3842e
# good: [3537cdbd10dfe084536e29e5f67ae7504c7c48b6] source sha:a99520eb0a0ccb5a03e85c697d38eb6520ec403c
git bisect good 3537cdbd10dfe084536e29e5f67ae7504c7c48b6
# good: [361e05c2b7c8fa8dfce0874cd1d7afcbb9c74cae] source sha:b03f6f45f4a13d97b0b62ea7c54b75dd14a5ad5e
git bisect good 361e05c2b7c8fa8dfce0874cd1d7afcbb9c74cae
# good: [c14f8f87513eafb084153b2f8710eddcc07f83ce] source sha:aecdaa718612285306335e307b242d6b9166052e
git bisect good c14f8f87513eafb084153b2f8710eddcc07f83ce
# good: [f2417a18bcf8b262d6cdc4a10f35d3ce5aa2b433] source sha:8dc2f2f182e72e9fce277d8f5e9bcf3ce474f84f
git bisect good f2417a18bcf8b262d6cdc4a10f35d3ce5aa2b433
# good: [2f06c472ee61b1bc2dd94c1785490099b3fe1735] source sha:ea4a775eb1a15d2be198e42b199af025ed90926a
git bisect good 2f06c472ee61b1bc2dd94c1785490099b3fe1735
# bad: [88628f55a76d8213185d063c607d389ca36d7c38] source sha:c64a7ce1fcd1e30956a77530d0b76ad493841024
git bisect bad 88628f55a76d8213185d063c607d389ca36d7c38
# good: [c97c5f087b4facd7db966f102c59c7ce0643949b] source sha:824e663cfbba436db32e4f2a20e3acbe275252e7
git bisect good c97c5f087b4facd7db966f102c59c7ce0643949b
# good: [c12b73df8d589d90fac62e492d642a9f168283cb] source sha:0dc79f35aa3a373414c17f596ca4491a69083864
git bisect good c12b73df8d589d90fac62e492d642a9f168283cb
# good: [a79feec0f9dee7837f04811abfcf7b57f6f6a8f7] source sha:a6c7a0bf105c399d087e2d9f843dbd9b175fdf42
git bisect good a79feec0f9dee7837f04811abfcf7b57f6f6a8f7
# first bad commit: [88628f55a76d8213185d063c607d389ca36d7c38] source sha:c64a7ce1fcd1e30956a77530d0b76ad493841024