I'm using Git subtree to "link" several subprojects into the main project (I'm coming from "svn:externals"). I've used it for some weeks, but the time to push changes to the subtree remote increases every commit.

$ git subtree push -P platform/rtos rtos master

git push using:  rtos master

1/    215 (0)2/    215 (1)3/    215 (2)4/    215 (3)5/    215 (4)6/    215 (5)7/    215 (6)8/    215 (7)9/    215 (8)10/    215 (9)11/    215 (9)12/    215 (10)13/    215 (11)14/    
...
20 more lines
...
(204)209/    215 (205)210/    215 (206)211/    215 (207)212/    215 (208)213/    215 (209)214/    215 (210)215/    215 (211)To https://github.com/rtos/rtos.git
   64546f..9454ce  9a9d34c5656655656565676768887899898767667348590 -> master

Is there any way to "clean up" the subtree and therefore reduce the time to push changes?

git github git-subtree
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