bug in `git log --cherry-mark`

bug in `git log --cherry-mark`

[Uwe Kleine-König]

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Hello,

in a linux tree I have a bunch of commits that I sent out for
application to the mainline. A part of that looks as follows:

	$ git version # that's 2.55.0 + Phillip Wood's series addressing my previous bug report
	git version 2.55.0.11.g153666a7d9bb

	$ git log --pretty=oneline --abbrev-commit --decorate --boundary --graph --cherry-mark --right-only next/master...a54cadc575df
	*   a54cadc575df merge mod_devicetable.h cleanups
	|\
	| * fc69191474ff virtio-pci: Drop inclusion of <linux/mod_devicetable.h>
	| * 80964227feed greybus: Drop #include of <linux/mod_devicetable.h>
	| * ede7ce64f20e Documentation: Update after split of <linux/mod_devicetable.h>
	| * c8efa35aeff7 HID: wacom: #include <linux/device-id/hid.h> instead of <linux/mod_devicetable.h>
	| * baead64db0b9 checkpatch: Adapt comment to mod_devicetable.h split
	| * ca270a534d0f net: phy: Drop #inclusion of <linux/mod_devicetable.h> from <linux/mdio.h>
	* | 9874577217c5 WIP: Don't build XFS on m68k due to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122438
	* | 554e345d3223 s390: export memory encryption helper functions
	* | 41d6dc9f88ec Add defconfigs for x86 and arm64 to yield stable builds
	* | 9a6220166a5e drm/vmwgfx: Don't use UTS_RELEASE directly
	o | 49362394dad7 (tag: next-20260713, next/master, next/HEAD) Add linux-next specific files for 20260713
	 /
	o 8cdeaa50eae8 (tag: v7.2-rc2) Linux 7.2-rc2

So this suggests that all the commits are not yet in next. But if I look
at the right branch only, one actually is:

	$ git log --pretty=oneline --abbrev-commit --decorate --boundary --graph --cherry-mark --right-only next/master...a54cadc575df^2
	* fc69191474ff virtio-pci: Drop inclusion of <linux/mod_devicetable.h>
	* 80964227feed greybus: Drop #include of <linux/mod_devicetable.h>
	* ede7ce64f20e Documentation: Update after split of <linux/mod_devicetable.h>
	* c8efa35aeff7 HID: wacom: #include <linux/device-id/hid.h> instead of <linux/mod_devicetable.h>
	* baead64db0b9 checkpatch: Adapt comment to mod_devicetable.h split
	= ca270a534d0f net: phy: Drop #inclusion of <linux/mod_devicetable.h> from <linux/mdio.h>
	o 8cdeaa50eae8 (tag: v7.2-rc2) Linux 7.2-rc2

I would have expected that ca270a534d0f is marked with = already in the
upper dump. Is my expectation wrong here, or is that a bug?

If you want to look at it, I can provide the relevant commits in a
bundle via private mail.

Best regards
Uwe

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