fetchgit-leaveDotGit non-deterministic

Old clone (git-export) diffed against new-clone (possibly fetched with newer git.

diff -uNr /nix/store/80zgflqjwc5pq57gjw9338fi44mhxphp-git-export/.git/info/refs /home/bfo/new-clone/.git/info/refs
--- /nix/store/80zgflqjwc5pq57gjw9338fi44mhxphp-git-export/.git/info/refs	1970-01-01 01:00:01.000000000 +0100
+++ /home/bfo/new-clone/.git/info/refs	2015-07-01 13:35:13.632206482 +0200
@@ -1 +1,8 @@
 5e29263871cafe31c5ea77bc1ac0a765982fd645	refs/heads/fetchgit
+0bd698d90136380225a95edc4ff36ff052632673	refs/tags/show
+4a549566dbffdb14e1913680e0a264d233adcfc8	refs/tags/v0.0
+0dc48e2023764f4eeb9e0dbf040e02ee1872ce8d	refs/tags/v0.0^{}
+15c8a3010447801eec2a1e5d26db51a91bdc1189	refs/tags/v0.1
+4dd07e2685e7e9c7098f123a347f7010559064d6	refs/tags/v0.1^{}
+7262a3177291fdc15ce6f843e6e73df71a0f8903	refs/tags/v0.2
+36b7f4e8a3bfdfe02cf74a22d39bd072cb32312a	refs/tags/v0.2^{}
diff -uNr /nix/store/80zgflqjwc5pq57gjw9338fi44mhxphp-git-export/.git/objects/info/packs /home/bfo/new-clone/.git/objects/info/packs
--- /nix/store/80zgflqjwc5pq57gjw9338fi44mhxphp-git-export/.git/objects/info/packs	1970-01-01 01:00:01.000000000 +0100
+++ /home/bfo/new-clone/.git/objects/info/packs	2015-07-01 13:35:13.889205118 +0200
@@ -1,2 +1,2 @@
-P pack-2dfba48aec767951403deae3ff0fbe56deb8fd65.pack
+P pack-725447710d86c644334d93b8994c5682d133ff97.pack
 
Binary files /nix/store/80zgflqjwc5pq57gjw9338fi44mhxphp-git-export/.git/objects/pack/pack-2dfba48aec767951403deae3ff0fbe56deb8fd65.idx and /home/bfo/new-clone/.git/objects/pack/pack-2dfba48aec767951403deae3ff0fbe56deb8fd65.idx differ
Binary files /nix/store/80zgflqjwc5pq57gjw9338fi44mhxphp-git-export/.git/objects/pack/pack-2dfba48aec767951403deae3ff0fbe56deb8fd65.pack and /home/bfo/new-clone/.git/objects/pack/pack-2dfba48aec767951403deae3ff0fbe56deb8fd65.pack differ
Binary files /nix/store/80zgflqjwc5pq57gjw9338fi44mhxphp-git-export/.git/objects/pack/pack-725447710d86c644334d93b8994c5682d133ff97.idx and /home/bfo/new-clone/.git/objects/pack/pack-725447710d86c644334d93b8994c5682d133ff97.idx differ
Binary files /nix/store/80zgflqjwc5pq57gjw9338fi44mhxphp-git-export/.git/objects/pack/pack-725447710d86c644334d93b8994c5682d133ff97.pack and /home/bfo/new-clone/.git/objects/pack/pack-725447710d86c644334d93b8994c5682d133ff97.pack differ
diff -uNr /nix/store/80zgflqjwc5pq57gjw9338fi44mhxphp-git-export/.git/packed-refs /home/bfo/new-clone/.git/packed-refs
--- /nix/store/80zgflqjwc5pq57gjw9338fi44mhxphp-git-export/.git/packed-refs	1970-01-01 01:00:01.000000000 +0100
+++ /home/bfo/new-clone/.git/packed-refs	2015-07-01 13:35:13.903205043 +0200
@@ -1,2 +1,9 @@
 # pack-refs with: peeled fully-peeled 
 5e29263871cafe31c5ea77bc1ac0a765982fd645 refs/heads/fetchgit
+0bd698d90136380225a95edc4ff36ff052632673 refs/tags/show
+4a549566dbffdb14e1913680e0a264d233adcfc8 refs/tags/v0.0
+^0dc48e2023764f4eeb9e0dbf040e02ee1872ce8d
+15c8a3010447801eec2a1e5d26db51a91bdc1189 refs/tags/v0.1
+^4dd07e2685e7e9c7098f123a347f7010559064d6
+7262a3177291fdc15ce6f843e6e73df71a0f8903 refs/tags/v0.2
+^36b7f4e8a3bfdfe02cf74a22d39bd072cb32312a
diff -uNr /nix/store/80zgflqjwc5pq57gjw9338fi44mhxphp-git-export/.git/shallow /home/bfo/new-clone/.git/shallow
--- /nix/store/80zgflqjwc5pq57gjw9338fi44mhxphp-git-export/.git/shallow	1970-01-01 01:00:01.000000000 +0100
+++ /home/bfo/new-clone/.git/shallow	1970-01-01 01:00:00.000000000 +0100
@@ -1 +0,0 @@
-1bc33e986c68a1b572b1145d64f09bfad2379452