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-rw-r--r--Documentation/git-rev-parse.txt8
1 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt
index 19b12b6d43..5013daa6ef 100644
--- a/Documentation/git-rev-parse.txt
+++ b/Documentation/git-rev-parse.txt
@@ -109,6 +109,10 @@ names an existing object that is a commit-ish (i.e. a commit, or an
annotated tag that points at a commit). To make sure that `$VAR`
names an existing object of any type, `git rev-parse "$VAR^{object}"`
can be used.
++
+Note that if you are verifying a name from an untrusted source, it is
+wise to use `--end-of-options` so that the name argument is not mistaken
+for another option.
-q::
--quiet::
@@ -446,7 +450,7 @@ $ git rev-parse --verify HEAD
* Print the commit object name from the revision in the $REV shell variable:
+
------------
-$ git rev-parse --verify $REV^{commit}
+$ git rev-parse --verify --end-of-options $REV^{commit}
------------
+
This will error out if $REV is empty or not a valid revision.
@@ -454,7 +458,7 @@ This will error out if $REV is empty or not a valid revision.
* Similar to above:
+
------------
-$ git rev-parse --default master --verify $REV
+$ git rev-parse --default master --verify --end-of-options $REV
------------
+
but if $REV is empty, the commit object name from master will be printed.