git pull - Why does git log not show anything new after git fetch? -

i learning working git remotes reading relevant section of pro git book.

if clone repository, command automatically adds remote repository under name "origin". so, git fetch origin fetches new work has been pushed server since cloned (or last fetched from) it.

it’s important note git fetch command fetches data local repository; doesn’t automatically merge of work or modify you’re working on. have merge manually work when you’re ready.

here tried. cloned repository , edited file. in original repository, updated same file , pushed. then,

1. i ran git fetch. showed update progress message. however, git log did not show update. did misunderstand git fetch does? missing something?

2. i ran git pull, , got

error: local changes 'hello_world.c' overwritten merge. aborting. please, commit changes or stash them before can merge.

here, believe it's merging , avoid accidental data loss, aborts.

edit: answers. before looking @ answers, trying myself , realized same following commands / outputs:

$ git ls-remote origin d0006a6bfa95e0e90aa820a0e50d31a548625652    head d0006a6bfa95e0e90aa820a0e50d31a548625652    refs/heads/master $ git ls-remote . 14375458b8a6b84f82d9fa4d2ded0bb8c9e87431    head 14375458b8a6b84f82d9fa4d2ded0bb8c9e87431    refs/heads/master d0006a6bfa95e0e90aa820a0e50d31a548625652    refs/remotes/origin/head d0006a6bfa95e0e90aa820a0e50d31a548625652    refs/remotes/origin/master 

also following commands:

$git log origin --oneline $git log --oneline 

thank bearing stupid questions ;-)

by default, git log shows log of current branch. since fetching without merging doesn't change in current (local) branch, git log output doesn't change.

git log can take --all option show history of branches, local , remote. alternatively, can explicitly list remote branch in git log origin/master.