How can I extract all changed files of a changeset in Mercurial?

Question

Until recently we have been using SVN for all projects of our web studio, and there is a very convenient feature present in several clients like Subversive and TortoiseSVN that can extract all files that have been changed in a certain revision.

Is there a way to do it in Mercurial? I don't care if it's done via a GUI or a command line, it's just very convenient to have a set of files that have been changed in a certain changeset.

P.S. I must have put it wrong the first time. I need more than just a list of files, it would be great to have all the files exported to some other folder.

Judah

Do you mean the file name or content or diff of the files? – Cella

Answer 1

Building on Jerome's answer this will get you the copies of the files that changed in revision 4:

hg archive --type files --rev 4 -I $(hg log -r 4 --template {files} | sed 's/ / -I /g') ~/changedfiles

That puts all the files that changed into revision four into a newly created directory named changedfiles in your homedir.

If you change it to:

hg archive --type zip --rev 4 -I $(hg log -r 4 --template {files} | sed 's/ / -I /g') ~/changedfiles.zip

then they show up in a zip archive.

It's worth noting that that only works if you have no spaces in filenames. If you made that blunder then we'll need to use hg status --print0 -r revision -r parent-of-revision instead, but hopefully that's not necessary.

Note also that the revision number, '4' in our example, shows up twice. The whole thing could very easily be wrapped in a shell script, and that would be parameterized so you don't have to remember to change it in both places.

Corbeil

Answer 2

This gives you the list of modified files in revision 4:

hg log -r 4 --template {files}

Update: If you'd like to have one file per line, you may use the style described in Hg book.

Eliezer

Answer 3

Depending on your ned, there are two command:

1. To get the changes associated with a particular revision, you can use hg export:

   hg export -r 23
   

This will generate a diff of all the changes (actually a formatted patch, ready to be applied)

2. To get the name all the files that were affected, you can use hg log:

   hg log -r 23 -v
   

This will print the meta-info for the revision, along with the names of the files that were affected.

Amaras

you could also of course hg diff -r rev -r rev-1 which would be the same as the diff part of export – Andreeandrei

@jk, hg export is better than hg diff, as it eliminates the step of finding the parent changeset, which isn't always decremental (e.g. the numberings get messed up with merges and such). – Amaras

@notnoop, you can use hg diff -c for that :) – Crammer

Answer 4

This command outputs names of all changed files in a specified revision:

hg export revision_num | grep ^diff | cut -f 6 -d ' '

Masto

That's almost what I need! I only need to somehow pipe the result to cp and copy all files to some separate folder. Thanks! – Boswall