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Forked from schacon/gist:942899
Created April 27, 2011 01:31
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delete all remote branches that have already been merged into master
$ git branch -r --merged |
awk -F'/' '/^ *origin/{if(!match($0, /(>|master)/)){print $2}}' |
xargs git push origin --delete
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Should be useful for future projects.

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It doesn't work for branches named like feature/123

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The first command should be git branch -r --merged origin/master . As it is, this script deletes any branch merged with some branch in origin.

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brbsix commented Apr 30, 2016

This should fix the issue with feature branches:

git branch -r --merged origin/master \
    | awk -F/ '/^\s*origin/ {if (!match($0, /origin\/master/)) {sub("^\\s*origin/", ""); print}}' \
    | xargs -rpn1 git push origin --delete

The xargs flags are as follows:

-n1 delete branches one at a time
-p prompt the user for confirmation immediately prior to deleting a branch
-r ensure git push origin --delete with not be run if there are no branches to delete

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Thanks for sharing this! I'm getting the following error though:

xargs: illegal option -- r
usage: xargs [-0opt] [-E eofstr] [-I replstr [-R replacements]] [-J replstr]
             [-L number] [-n number [-x]] [-P maxprocs] [-s size]
             [utility [argument ...]]

Anyone else getting this? Running on MacOS Sierra.

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TrevorSayre commented Feb 17, 2017

@talsafran Yep, -r is not an option on MacOS xargs (see: man xargs)
-r is a GNU extension

You can install GNU xargs through Homebrew and the GNU findutils package.
brew install findutils

This will give you GNU xargs as gxargs, and you can use the -r option

The same goes for other basic commands found in the findutils package such as gfind or glocate or gupdatedb, which have different BSD counterparts on OS X.

After installing findutils, the command on MacOS will be:

git branch -r --merged origin/master \
    | awk -F/ '/^\s*origin/ {if (!match($0, /origin\/master/)) {sub("^\\s*origin/", ""); print}}' \
    | gxargs -rpn1 git push origin --delete

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