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authorGlen Choo <chooglen@google.com>2023-02-01 02:40:41 (GMT)
committerJunio C Hamano <gitster@pobox.com>2023-02-01 16:49:23 (GMT)
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parent844ede312b4e988881b6e27e352f469d8ab80b2a (diff)
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docs: document zero bits in index "mode"
Documentation/gitformat-index.txt describes the "mode" as 32 bits, but only documents 16 bits. Document the missing 16 bits and specify that 'unused' bits must be zero. Signed-off-by: Glen Choo <chooglen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'Documentation/gitformat-index.txt')
-rw-r--r--Documentation/gitformat-index.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/gitformat-index.txt b/Documentation/gitformat-index.txt
index 015cb21..0773e5c 100644
--- a/Documentation/gitformat-index.txt
+++ b/Documentation/gitformat-index.txt
@@ -83,11 +83,13 @@ Git index format
32-bit mode, split into (high to low bits)
+ 16-bit unused, must be zero
+
4-bit object type
valid values in binary are 1000 (regular file), 1010 (symbolic link)
and 1110 (gitlink)
- 3-bit unused
+ 3-bit unused, must be zero
9-bit unix permission. Only 0755 and 0644 are valid for regular files.
Symbolic links and gitlinks have value 0 in this field.