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-rw-r--r--Documentation/git-for-each-ref.txt25
1 files changed, 21 insertions, 4 deletions
diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt
index 6649f795e8..d5fdcef8d9 100644
--- a/Documentation/git-for-each-ref.txt
+++ b/Documentation/git-for-each-ref.txt
@@ -17,7 +17,7 @@ according to the given `<format>`, after sorting them according
to the given set of `<key>`s. If `<max>` is given, stop after
showing that many refs. The interporated values in `<format>`
can optionally be quoted as string literals in the specified
-host language.
+host language allowing their direct evaluation in that language.
OPTIONS
-------
@@ -97,7 +97,8 @@ returns an empty string instead.
EXAMPLES
--------
-Show the most recent 3 tagged commits::
+An example directly producing formatted text. Show the most recent
+3 tagged commits::
------------
#!/bin/sh
@@ -112,7 +113,23 @@ Ref: %(*refname)
' 'refs/tags'
------------
-A bit more elaborate report on tags::
+
+A simple example showing the use of shell eval on the output,
+demonstrating the use of --shell. List the prefixes of all heads::
+------------
+#!/bin/sh
+
+git-for-each-ref --shell --format="ref=%(refname)" refs/heads | \
+while read entry
+do
+ eval "$entry"
+ echo `dirname $ref`
+done
+------------
+
+
+A bit more elaborate report on tags, demonstrating that the format
+may be an entire script::
------------
#!/bin/sh
@@ -156,7 +173,7 @@ Its message reads as:
fi
'
-eval=`git-for-each-ref -s --format="$fmt" \
+eval=`git-for-each-ref --shell --format="$fmt" \
--sort='*objecttype' \
--sort=-taggerdate \
refs/tags`