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-rw-r--r--Library/Homebrew/manpages/brew.1.md7
1 files changed, 6 insertions, 1 deletions
diff --git a/Library/Homebrew/manpages/brew.1.md b/Library/Homebrew/manpages/brew.1.md
index 4863bcd5d..47b0517ef 100644
--- a/Library/Homebrew/manpages/brew.1.md
+++ b/Library/Homebrew/manpages/brew.1.md
@@ -394,7 +394,12 @@ With `--verbose` or `-v`, many commands print extra debugging information. Note
using protocols other than HTTPS, e.g., SSH, GIT, HTTP, FTP(S), RSYNC.
By default, the repository is cloned as a shallow copy (`--depth=1`), but
- if `--full` is passed, a full clone will be used.
+ if `--full` is passed, a full clone will be used. To convert a shallow copy
+ to a full copy, you can retap passing `--full` without first untapping.
+
+ `tap` is re-runnable and exits successfully if there's nothing to do.
+ However, retapping with a different <URL> will cause an exception, so first
+ `untap` if you need to modify the <URL>.
* `tap` `--repair`:
Migrate tapped formulae from symlink-based to directory-based structure.