Thanks Philip, On 11/01/2017 08:27 AM, Philip Oakley wrote: > Yubin , > > From: "Junio C Hamano" <gitster@xxxxxxxxx> >> Yubin Ruan <ablacktshirt@xxxxxxxxx> writes: >> >>> diff --git a/path/somefile b/path/somefile >>> index f8886b4..a1c96df 100644 >>> --- a/path/somefile >>> +++ b/path/somefile >>> <snip> >>> >>> This is output by a `git diff` between two adjacent commits but they are >>> not any commit hash. I grep through the whole $(git log) but still cannot >>> find those hash. >> >> The f8886b4 you see on the left is the name of the blob object on >> the left hand side of the comparison that produced this output; >> similarly a1c96df is the name of the blob object on the right hand >> side of the comparison. >> >> IOW, if you have the contents of the blob whose object name is >> f8886b4, by applying this patch, you will get a blob whose object >> name is a1c96df. >> >> The information is used by "git am -3" when the patch does not apply >> cleanly to fall back to the 3-way merge. > > The ability to 'git describe` those blob object IDs is currently the subject of a patch series > https://public-inbox.org/git/20171031211852.13001-1-sbeller@xxxxxxxxxx/ > > Maybe see if would have helped ;-) What would be other use case of the blob object / blob name ? Yubin