ignore certain files in all folders using a single .gitignore file
After reading several questions about .gitignore I have found no one that could answer my question:
What do I have to add to .gitignore to ignore all files with a certain ending, say *.txt in all folders.
I'd prefer to only have one .gitignore file at top level.
I tried several things but none worked.
This is what I tested ( .gitignore was added to the repository before, no other file was added):
$ ls
abc.txt content
$ ls content/
abc.txt def.other def.txt
$ echo "" > .gitignore
$ git status --ignored --untracked-files=all
# On branch master
# Changes not staged for commit:
# (use "git add <file>..." to update what will be committed)
# (use "git checkout -- <file>..." to discard changes in working directory)
#
# modified: .gitignore
#
# Untracked files:
# (use "git add <file>..." to include in what will be committed)
#
# abc.txt
# content/abc.txt
# content/def.other
# content/def.txt
no changes added to commit (use "git add" and/or "git commit -a")
This is as expected: all files show up since .gitignore is empty.
$ echo "*.txt" > .gitignore
$ git status --ignored --untracked-files=all
# On branch master
# Changes not staged for commit:
# (use "git add <file>..." to update what will be committed)
# (use "git checkout -- <file>..." to discard changes in working directory)
#
# modified: .gitignore
#
# Untracked files:
# (use "git add <file>..." to include in what will be committed)
#
# content/def.other
# Ignored files:
# (use "git add -f <file>..." to include in what will be committed)
#
# abc.txt
no changes added to commit (use "git add" and/or "git commit -a")
Why don't the files content/abc.txt and content/def.txt show up in the list?
$ git clean -n
Would not remove content/
I thought they would show up here too.
$ echo "" > .gitignore
$ git clean -n
Would remove abc.txt
Would not remove content/
$ cd content
$ git clean -n -x
Would remove def.other
$ git clean -n -x
Would remove abc.txt
Would remove def.other
Would remove def.txt
If the files content/abc.txt and content/def.txt are shown by clean -n -x but not by clean -n , I think they are ignored. But then why don't they show up in git status --ignored --untracked-files=all ?
Just adding *.txt works. Check gitignore(5) man page for the gitignore format explanation
If you try to add the content directory, all the *.txt file will be ignored.
$ echo "*.txt" > .gitignore
$ git add content
$ git status --ignored --untracked-files=all
# On branch master
#
# Initial commit
#
# Changes to be committed:
# (use "git rm --cached <file>..." to unstage)
#
# new file: content/def.other
#
# Untracked files:
# (use "git add <file>..." to include in what will be committed)
#
# .gitignore
# Ignored files:
# (use "git add -f <file>..." to include in what will be committed)
#
# abc.txt
# content/abc.txt
# content/def.txt
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