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RE: git filter-branch re-write history over a range of commits did notwork





> -----Original Message-----
> From: Johannes Sixt <j6t@xxxxxxxx>
> Sent: Tuesday, May 28, 2019 2:22 AM
> To: LU Chuck <Chuck.LU@xxxxxxxxxxx>
> Cc: git@xxxxxxxxxxxxxxx; chuck.lu@xxxxxx
> Subject: Re: git filter-branch re-write history over a range of commits did notwork
> 
> Am 27.05.19 um 10:01 schrieb LU Chuck:
> > Hi team,
> >
> >     The issue comes from
> https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_git-2Dfor-2
> Dwindows_git_issues_2206&d=DwICaQ&c=O17m6UdqOAIZh9XQ8pTl4g&r=VcGe
> IeOZ_8_zlrQNSboenYltfxGNIXN_qG6VpZgXVRk&m=PCS1M1ifdx6sA8TMCp7ScKA
> 3-HjUfAajePZfGnQ-94o&s=J7vtNc6IhEcruZJBeCPJJM2XR_zC-1Z0JXmNx9k5c3s&e
> = .
> >
> >     I want to re-write history by filter-branch command over a range of
> commits, but the command did not work.
> >     I have referred to the following three documentation about how to use git
> filter-branch:
> >
> https://urldefense.proofpoint.com/v2/url?u=https-3A__stackoverflow.com_ques
> tions_15250070_running-2Dfilter-2Dbranch-2Dover-2Da-2Drange-2Dof-2Dcom
> mits&d=DwICaQ&c=O17m6UdqOAIZh9XQ8pTl4g&r=VcGeIeOZ_8_zlrQNSboenYltf
> xGNIXN_qG6VpZgXVRk&m=PCS1M1ifdx6sA8TMCp7ScKA3-HjUfAajePZfGnQ-94o
> &s=XZTtPkEqajdcG1uDxiX0AAX7F2Raf0jcubwGTKFtqv0&e=
> >
> https://urldefense.proofpoint.com/v2/url?u=https-3A__stackoverflow.com_ques
> tions_28536980_git-2Dchange-2Dcommit-2Ddate-2Dto-2Dauthor-2Ddate&d=D
> wICaQ&c=O17m6UdqOAIZh9XQ8pTl4g&r=VcGeIeOZ_8_zlrQNSboenYltfxGNIXN_q
> G6VpZgXVRk&m=PCS1M1ifdx6sA8TMCp7ScKA3-HjUfAajePZfGnQ-94o&s=6scC0
> PyREzwE67wAerVgPtdO-ng_3Q_M1Ir8sWHXmfs&e=
> >
> > https://urldefense.proofpoint.com/v2/url?u=https-3A__git-2Dscm.com_doc
> >
> s_git-2Dfilter-2Dbranch&d=DwICaQ&c=O17m6UdqOAIZh9XQ8pTl4g&r=VcGeIeOZ
> _8
> >
> _zlrQNSboenYltfxGNIXN_qG6VpZgXVRk&m=PCS1M1ifdx6sA8TMCp7ScKA3-HjUf
> AajeP
> > ZfGnQ-94o&s=tWbrczoPb11Ywr7Y7HPO8-LaXWhbqrE4q6iyrCabNsk&e=
> >
> >     You can reproduce the problem by the following steps
> >     1. clone the repository
> https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_chucklu_Lee
> tCode_&d=DwICaQ&c=O17m6UdqOAIZh9XQ8pTl4g&r=VcGeIeOZ_8_zlrQNSboen
> YltfxGNIXN_qG6VpZgXVRk&m=PCS1M1ifdx6sA8TMCp7ScKA3-HjUfAajePZfGnQ-
> 94o&s=G0unMrRQroUK3eE3wu7xBIGH9NbO05ydkFYROKoIcU0&e=
> >     2. checkout to the temp branch
> >     3. run the command git filter-branch --env-filter 'export
> > GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"' ... 67d9d9..f70bf4
> 
> Did you not tell us everything because you write ... in this message when you cited
> the command you used, or do you say that you used ...
> literally in the command?
[LU Chuck] Let's move back here, I know what three dots does now. According this documentation https://git-scm.com/docs/gitrevisions#Documentation/gitrevisions.txt-Theem82308203emthree-dotSymmetricDifferenceNotation .
         Then the command I need to run is git filter-branch --env-filter 'export GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"' 67d9d9..f70bf4 
         But why I got the error message " You must specify a ref to rewrite. ".

         When I use command " git log 67d9d9..f70bf4 ", it will list 4 commits. It means the commits range works.
         So, the problem would be, why the git filter-branch could not recognized 67d9d9..f70bf4 as a range of commits?

> 
> >     4. You will got the info "Found nothing to rewrite"
> >
> >     However, it was supposed to overwrite the history from commit 9c1580 to
> commit f70bf4, make the commit date same as date.
> >     I am not sure if I am using the filter-branch correctly, or if there is a bug in
> git?
> >
> >     Anyone can help me? Thanks in advance.
> 
> -- Hannes