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authorJonathan Tan <jonathantanmy@google.com>2017-11-27 19:47:47 (GMT)
committerJunio C Hamano <gitster@pobox.com>2017-11-28 01:40:04 (GMT)
commit2477ab2ea8651920a9909f6d05b15ad9004a6c64 (patch)
tree50a1cc585b71420b1da0230451ef932b114f809b /Documentation
parent5f9953d2c365bffed6f9ee0c6966556bd4d7e2f4 (diff)
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diff: support anchoring line(s)
Teach diff a new algorithm, one that attempts to prevent user-specified lines from appearing as a deletion or addition in the end result. The end user can use this by specifying "--anchored=<text>" one or more times when using Git commands like "diff" and "show". Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/diff-options.txt10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 3c93c21..9d1586b 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -80,6 +80,16 @@ endif::git-format-patch[]
--histogram::
Generate a diff using the "histogram diff" algorithm.
+--anchored=<text>::
+ Generate a diff using the "anchored diff" algorithm.
++
+This option may be specified more than once.
++
+If a line exists in both the source and destination, exists only once,
+and starts with this text, this algorithm attempts to prevent it from
+appearing as a deletion or addition in the output. It uses the "patience
+diff" algorithm internally.
+
--diff-algorithm={patience|minimal|histogram|myers}::
Choose a diff algorithm. The variants are as follows:
+