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authorMechiel Lukkien <mechiel@ueber.net>2018-02-14 18:14:15 +0100
committerMechiel Lukkien <mechiel@ueber.net>2018-02-14 18:14:15 +0100
commit007ebc477a9cb14704cf628859e9de747c268d5b (patch)
tree38b9bb2b722aca8a87291e459fd22e59e81f8a52 /plumbing/format/diff/unified_encoder.go
parent01c428c50c89c47e40dfdd4ecf43376cf48e1797 (diff)
downloadgo-git-007ebc477a9cb14704cf628859e9de747c268d5b.tar.gz
fix crash when generating a unified diff with a small ending equal-chunk
Signed-off-by: Mechiel Lukkien <mechiel@ueber.net>
Diffstat (limited to 'plumbing/format/diff/unified_encoder.go')
-rw-r--r--plumbing/format/diff/unified_encoder.go8
1 files changed, 6 insertions, 2 deletions
diff --git a/plumbing/format/diff/unified_encoder.go b/plumbing/format/diff/unified_encoder.go
index cf2a34b..58edd95 100644
--- a/plumbing/format/diff/unified_encoder.go
+++ b/plumbing/format/diff/unified_encoder.go
@@ -262,11 +262,15 @@ func (c *hunksGenerator) processEqualsLines(ls []string, i int) {
c.current.AddOp(Equal, c.afterContext...)
c.afterContext = nil
} else {
- c.current.AddOp(Equal, c.afterContext[:c.ctxLines]...)
+ ctxLines := c.ctxLines
+ if ctxLines > len(c.afterContext) {
+ ctxLines = len(c.afterContext)
+ }
+ c.current.AddOp(Equal, c.afterContext[:ctxLines]...)
c.hunks = append(c.hunks, c.current)
c.current = nil
- c.beforeContext = c.afterContext[c.ctxLines:]
+ c.beforeContext = c.afterContext[ctxLines:]
c.afterContext = nil
}
}