[PATCH v3.1] gitk: do not parse " >" context as submodule change

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From: Thomas Rast
Date: Monday, April 12, 2010 - 6:25 am

Since 5c838d2 (gitk: Use the --submodule option for displaying diffs
when available, 2009-10-28) gitk erroneously matches "  >" and "  <"
at the beginning of a line in the submodule code even if we're in the
diff text section and the lines should be treated as context.

Fix by (ab)using the $diffinhdr variable also in the 'Submodule...'
case, and move the "  >"/"  <" specific code inside the $diffinhdr
test.  The existing code will set $diffinhdr to 0 when it hits a
"+++", so that it is always 0 when we can hit a context line.
---

I just noticed that I forgot to add the 'continue' that prevents the
final 'insert' in the $diffinhdr block from kicking in, which resulted
in doubling of the lines.  This one has them.  Sorry for the noise.


 gitk |   16 ++++++++++------
 1 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/gitk b/gitk
index 1f36a3e..7b8799e 100755
--- a/gitk
+++ b/gitk
@@ -7688,12 +7688,8 @@ proc getblobdiffline {bdf ids} {
 	    lappend ctext_file_lines $fname
 	    makediffhdr $fname $ids
 	    $ctext insert end "\n$line\n" filesep
-	} elseif {![string compare -length 3 "  >" $line]} {
-	    set line [encoding convertfrom $diffencoding $line]
-	    $ctext insert end "$line\n" dresult
-	} elseif {![string compare -length 3 "  <" $line]} {
-	    set line [encoding convertfrom $diffencoding $line]
-	    $ctext insert end "$line\n" d0
+	    # pretend we're in a file header to correctly parse "  [><]"
+	    set diffinhdr 1
 	} elseif {$diffinhdr} {
 	    if {![string compare -length 12 "rename from " $line]} {
 		set fname [string range $line [expr 6 + [string first " from " $line] ] end]
@@ -7712,6 +7708,14 @@ proc getblobdiffline {bdf ids} {
 		    set fname [lindex $fname 0]
 		}
 		makediffhdr $fname $ids
+	    } elseif {![string compare -length 3 "  >" $line]} {
+		set line [encoding convertfrom $diffencoding $line]
+		$ctext insert end "$line\n" dresult
+		continue
+	    } elseif {![string compare -length 3 "  <" $line]} {
+		set line [encoding convertfrom $diffencoding $line]
+		$ctext insert end "$line\n" d0
+		continue
 	    } elseif {[string compare -length 3 $line "---"] == 0} {
 		# do nothing
 		continue
-- 
1.7.1.rc0.260.g2b919

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Messages in current thread:
[PATCH 0/2] gitk --color-words, Thomas Rast, (Sun Apr 4, 6:46 am)
[PATCH v3 0/2] gitk --color-words, Thomas Rast, (Mon Apr 12, 6:07 am)
[PATCH v3.1] gitk: do not parse " >" context as submodule ..., Thomas Rast, (Mon Apr 12, 6:25 am)
[PATCH v4 0/3] git-diff --word-diff/gitk --color-words, Thomas Rast, (Wed Apr 14, 8:59 am)