[PATCH (GITK) v2 3/4] gitk: Support filenames in the locale encoding.

[Alexander Gavrilov <angavrilov@xxxxxxxxx>]

The previous patch changed the encoding used for
reading diffs to binary, which broke non-ASCII filename
support. This one fixes the breakage, together with some
existing bugs related to filename encoding.

Since core git apparently assumes that filenames are
specified in the locale encoding, this is what we should
use for them in gitk as well.

Signed-off-by: Alexander Gavrilov <angavrilov@xxxxxxxxx>
Tested-by: Johannes Sixt <johannes.sixt@xxxxxxxxxx>
---
 gitk |   16 +++++++++++-----
 1 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/gitk b/gitk
index 98923e7..254faa1 100755
--- a/gitk
+++ b/gitk
@@ -6228,7 +6228,7 @@ proc gettree {id} {
 	    set treepending $id
 	    set treefilelist($id) {}
 	    set treeidlist($id) {}
-	    fconfigure $gtf -blocking 0
+	    fconfigure $gtf -blocking 0 -encoding binary
 	    filerun $gtf [list gettreeline $gtf $id]
 	}
     } else {
@@ -6250,11 +6250,12 @@ proc gettreeline {gtf id} {
 	    set line [string range $line 0 [expr {$i-1}]]
 	    if {$diffids ne $nullid2 && [lindex $line 1] ne "blob"} continue
 	    set sha1 [lindex $line 2]
-	    if {[string index $fname 0] eq "\""} {
-		set fname [lindex $fname 0]
-	    }
 	    lappend treeidlist($id) $sha1
 	}
+	if {[string index $fname 0] eq "\""} {
+	    set fname [lindex $fname 0]
+	}
+	set fname [encoding convertfrom $fname]
 	lappend treefilelist($id) $fname
     }
     if {![eof $gtf]} {
@@ -6370,6 +6371,7 @@ proc getmergediffline {mdf id np} {
 	}
 	if {[regexp {^diff --cc (.*)} $line match fname]} {
 	    # start of a new file
+	    set fname [encoding convertfrom $fname]
 	    $ctext insert end "\n"
 	    set here [$ctext index "end - 1c"]
 	    lappend difffilestart $here
@@ -6519,7 +6521,7 @@ proc gettreediffs {ids} {
 
     set treepending $ids
     set treediff {}
-    fconfigure $gdtf -blocking 0
+    fconfigure $gdtf -blocking 0 -encoding binary
     filerun $gdtf [list gettreediffline $gdtf $ids]
 }
 
@@ -6535,6 +6537,7 @@ proc gettreediffline {gdtf ids} {
 	    if {[string index $file 0] eq "\""} {
 		set file [lindex $file 0]
 	    }
+	    set file [encoding convertfrom $file]
 	    lappend treediff $file
 	}
     }
@@ -6679,6 +6682,7 @@ proc getblobdiffline {bdf ids} {
 	    } else {
 		set fname [string range $line 2 [expr {$i - 1}]]
 	    }
+	    set fname [encoding convertfrom $fname]
 	    set diffencoding [get_cached_encoding $fname]
 	    makediffhdr $fname $ids
 
@@ -6694,6 +6698,7 @@ proc getblobdiffline {bdf ids} {
 		if {[string index $fname 0] eq "\""} {
 		    set fname [lindex $fname 0]
 		}
+		set fname [encoding convertfrom $fname]
 		set i [lsearch -exact $treediffs($ids) $fname]
 		if {$i >= 0} {
 		    setinlist difffilestart $i $curdiffstart
@@ -6704,6 +6709,7 @@ proc getblobdiffline {bdf ids} {
 		if {[string index $fname 0] eq "\""} {
 		    set fname [lindex $fname 0]
 		}
+		set fname [encoding convertfrom $fname]
 		set diffencoding [get_cached_encoding $fname]
 		makediffhdr $fname $ids
 	    } elseif {[string compare -length 3 $line "---"] == 0} {
-- 
1.6.0.20.g6148bc

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