How do I get the Git commit count

Question

I d like to get the number of commits of my Git repository  a bit like SVN revision numbers   The goal is to use it as a unique  incrementing build number   I currently do like that  on Unix Cygwin msysGit   git log --pretty format      wc -l   But I feel it s a bit of a hack   Is there a better way to do that  It would be cool if I actually didn t need wc or even Git  so it could work on a bare Windows  Just read a file or a directory structure

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This command returns count of commits grouped by committers   git shortlog -s   Output   14 John lennon 9  Janis Joplin   You may want to know that the -s argument is the contraction form of --summary

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If you   re looking for a unique and still quite readable identifier for commits  git describe might be just the thing for you

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U can just use     git shortlog -s -n   Result      827  user one     15  user two      2  Gest

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Git shortlog is one way to get the commit details   git shortlog -s -n   This will give the number of commits followed by the author name  The -s option removes all the commit messages for each commit that the author made  Remove the same option if you would like to see the commit messages also  The -n option is used for sorting the entire list  Hope this helps

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git rev-parse --short HEAD

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git shortlog is one way

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A simple way is    git log --oneline   wc -l   oneline ensures that

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To get a commit count for a revision  HEAD  master  a commit hash    git rev-list --count  lt revision gt    To get the commit count across all branches   git rev-list --all --count   I recommend against using this for build identifier  but if you must  it s probably best to use the count for the branch you re building against  That way the same revision will always have the same number  If you use the count for all branches  activity on other branches could change the number

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git config --global alias count  rev-list --all --count   If you add this to your config  you can just reference the command   git count

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You are not the first one to think about a  revision number  in Git  but  wc  is quite dangerous  since commit can be erased or squashed  and the history revisited   The  revision number  was especially important for Subversion since it was needed in case of merge  SVN1 5 and 1 6 have improved on that front    You could end up with a pre-commit hook which would include a revision number in the comment  with an algorithm not involving looking up the all history of a branch to determine the correct number   Bazaar actually came up with such an algorithm   and it may be a good starting point for what you want to do    As Bombe s answer points out  Git has actually an algorithm of its own  based on the latest tag  plus the number of commits  plus a bit of an SHA-1 key   You should see  and upvote  his answer if it works for you     To illustrate Aaron s idea  you can also append the Git commit hash into an application   s  info  file you are distributing with your application   That way  the about box would look like     The applicative number is part of the commit  but the  application   s  info  file  is generated during the packaging process  effectively linking an applicative build number to a technical revision id

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In our company  we moved from SVN to Git  Lack of revision numbers was a big problem   Do git svn clone  and then tag the last SVN commit by its SVN revision number   export hr  git svn find-rev HEAD  git tag   hr  -f HEAD   Then you can get the revision number with help of  git describe --tags --long   This command gives something like   7603-3-g7f4610d   Means  The last tag is 7603 - it s the SVN revision  3 - is count of commits from it  We need to add them   So  the revision number can be counted by this script   expr   git describe --tags --long   cut -d  -  -f 1      git describe --tags --long   cut -d  -  -f 2

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git rev-list HEAD --count  git rev-list  git rev-list  lt commit gt     List commits that are reachable by following the parent links from the given commit  in this case  HEAD    --count   Print a number stating how many commits would have been listed  and suppress all other output

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The following command prints the total number of commits on the current branch  git shortlog -s -n    awk    sum     1    END   print sum      quot    quot   It is made up of two parts   Print the total logs number grouped by author  git shortlog -s -n  Example output   1445  John C   1398  Tom D   1376  Chrsitopher P    166  Justin T    166  You   Sum up the total commit number of each author  i e  the first argument of each line  and print the result out  awk    sum     1    END   print sum      quot    quot   Using the same example as above it will sum up 1445   1398   1376   166   166  Therefore the output will be    4 551

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How about making an alias    alias gc  git rev-list --all --count        Or whatever name you wish

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Using Bash syntax     git rev-list --count HEAD    looks fine for purely linear history  If you also want to sometimes have    numbers    from branches  based off master   consider     git rev-list --count   git merge-base master HEAD     git rev-list --count  master HEAD    When run from a checkout of master  you get simply 1234 0 or the like  When run from a checkout of a branch you will get something like 1234 13  if there have been 13 commits made on that branch  Obviously this is useful only insofar as you are basing at most one branch off a given master revision   --first-parent could be added to the micro number to suppress some commits arising only from merging other branches  though it is probably unnecessary

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You can try   git log --oneline   wc -l   or to list all the commits done by the people contributing in the repository  git shortlog -s

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The one I used to use was   git log   grep   commit    wc -l   Simple but it worked

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Generate a number during the build and write it to a file  Whenever you make a release  commit that file with the comment  Build 147   or whatever the build number currently is   Don t commit the file during normal development  This way  you can easily map between build numbers and versions in Git

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To get it into a variable  the easiest way is   export GIT REV COUNT  git rev-list --all --count

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git shortlog by itself does not address the original question of total number of commits  not grouped by author   That is true  and git rev-list HEAD --count remains the simplest answer  However  with Git 2 29  Q4 2020    quot git shortlog quot  man  has become more precise  It has been taught to group commits by the contents of the trailer lines  like  quot Reviewed-by  quot    quot Coauthored-by  quot   etc  See commit 63d24fa  commit 56d5dde  commit 87abb96  commit f17b0b9  commit 47beb37  commit f0939a0  commit 92338c4  27 Sep 2020   and commit 45d93eb  25 Sep 2020  by Jeff King  peff    Merged by Junio C Hamano -- gitster -- in commit 2fa8aac  04 Oct 2020   shortlog  allow multiple groups to be specified Signed-off-by  Jeff King   Now that shortlog supports reading from trailers  it can be useful to combine counts from multiple trailers  or between trailers and authors  This can be done manually by post-processing the output from multiple runs  but it s non-trivial to make sure that each name commit pair is counted only once  This patch teaches shortlog to accept multiple --group options on the command line  and pull data from all of them  That makes it possible to run  git shortlog -ns --group author --group trailer co-authored-by    to get a shortlog that counts authors and co-authors equally  The implementation is mostly straightforward  The  quot group quot  enum becomes a bitfield  and the trailer key becomes a list  I didn t bother implementing the multi-group semantics for reading from stdin  It would be possible to do  but the existing matching code makes it awkward  and I doubt anybody cares  The duplicate suppression we used for trailers now covers authors and committers as well  though in non-trailer single-group mode we can skip the hash insertion and lookup  since we only see one value per commit   There is one subtlety  we now care about the case when no group bit is set  in which case we default to showing the author   The caller in builtin log c needs to be adapted to ask explicitly for authors  rather than relying on shortlog init    It would be possible with some gymnastics to make this keep working as-is  but it s not worth it for a single caller   git shortlog now includes in its man page   --group  lt type gt  Group commits based on  lt type gt   If no --group option is specified  the default is author   lt type gt  is one of   author  commits are grouped by author committer  commits are grouped by committer  the same as -c   This is an alias for --group committer   git shortlog now also includes in its man page   If --group is specified multiple times  commits are counted under each value  but again  only once per unique value in that commit   For example  git shortlog --group author --group trailer co-authored-by counts both authors and co-authors

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If you re just using one branch  such as master  I think this would work great   git rev-list --full-history --all   wc -l   This will only output a number  You can alias it to something like  git revno   to make things really convenient  To do so  edit your  git config file and add this in    alias      revno     git rev-list --full-history --all   wc -l    This will not work on Windows  I do not know the equivalent of  wc  for that OS  but writing a Python script to do the counting for you would be a multi-platform solution   EDIT  Get count between two commits     I was looking for an answer that would show how to get the number of commits between two arbitrary revisions and didn t see any    git rev-list --count  older-commit    newer-commit

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There s a nice helper script that the Git folks use to help generate a useful version number based on Git describe  I show the script and explain it in my answer to How would you include the current commit id in a Git project s files

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Use git shortlog just like this  git shortlog -sn  Or create an alias  for ZSH based terminal     show contributors by commits alias gcall  git shortlog -sn

[git] How do I get the Git commit count?

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