SOURCE: uncompressed TAR bytes, not offsets in the .gz file
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HEADER START:
000cf600  41 49 2d 46 72 61 75 64 2d 44 65 74 65 63 74 69  |AI-Fraud-Detecti|
000cf610  6f 6e 5f 42 6c 6f 63 6b 63 68 61 69 6e 2f 2e 67  |on_Blockchain/.g|
000cf620  69 74 2f 68 6f 6f 6b 73 2f 70 6f 73 74 2d 63 68  |it/hooks/post-ch|
000cf630  65 63 6b 6f 75 74 00 00 00 00 00 00 00 00 00 00  |eckout..........|
000cf640  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  |................|
000cf650  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  |................|
000cf660  00 00 00 00 30 30 30 30 37 37 37 00 30 30 30 31  |....0000777.0001|
000cf670  37 35 30 00 30 30 30 31 37 35 30 00 30 30 30 30  |750.0001750.0000|
000cf680  30 30 30 35 33 32 36 00 31 35 32 35 32 30 30 34  |0005326.15252004|
000cf690  33 30 37 00 30 32 34 30 37 35 00 20 30 00 00 00  |307.024075. 0...|
000cf6a0  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  |................|

HOOK DATA START:
000cf800  23 21 2f 62 69 6e 2f 73 68 0a 23 0a 23 20 47 69  |#!/bin/sh.#.# Gi|
000cf810  74 20 70 6f 73 74 2d 63 68 65 63 6b 6f 75 74 20  |t post-checkout |
000cf820  68 6f 6f 6b 0a 23 20 52 75 6e 73 20 61 66 74 65  |hook.# Runs afte|
000cf830  72 20 63 68 65 63 6b 6f 75 74 2f 73 77 69 74 63  |r checkout/switc|
000cf840  68 2e 0a 23 0a 23 20 41 72 67 75 6d 65 6e 74 73  |h..#.# Arguments|
000cf850  3a 0a 23 20 24 31 20 3d 20 70 72 65 76 69 6f 75  |:.# $1 = previou|