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-rw-r--r--git-gui/lib/diff.tcl33
1 files changed, 27 insertions, 6 deletions
diff --git a/git-gui/lib/diff.tcl b/git-gui/lib/diff.tcl
index e09e1257e1..694834ab7a 100644
--- a/git-gui/lib/diff.tcl
+++ b/git-gui/lib/diff.tcl
@@ -84,12 +84,30 @@ proc show_diff {path w {lno {}}} {
#
if {$m eq {_O}} {
set max_sz [expr {128 * 1024}]
+ set type unknown
if {[catch {
- set fd [open $path r]
- fconfigure $fd -eofchar {}
- set content [read $fd $max_sz]
- close $fd
- set sz [file size $path]
+ set type [file type $path]
+ switch -- $type {
+ directory {
+ set type submodule
+ set content {}
+ set sz 0
+ }
+ link {
+ set content [file readlink $path]
+ set sz [string length $content]
+ }
+ file {
+ set fd [open $path r]
+ fconfigure $fd -eofchar {}
+ set content [read $fd $max_sz]
+ close $fd
+ set sz [file size $path]
+ }
+ default {
+ error "'$type' not supported"
+ }
+ }
} err ]} {
set diff_active 0
unlock_index
@@ -98,7 +116,9 @@ proc show_diff {path w {lno {}}} {
return
}
$ui_diff conf -state normal
- if {![catch {set type [exec file $path]}]} {
+ if {$type eq {submodule}} {
+ $ui_diff insert end "* Git Repository (subproject)\n" d_@
+ } elseif {![catch {set type [exec file $path]}]} {
set n [string length $path]
if {[string equal -length $n $path $type]} {
set type [string range $type $n end]
@@ -198,6 +218,7 @@ proc read_diff {fd} {
if {[string match {mode *} $line]
|| [string match {new file *} $line]
|| [string match {deleted file *} $line]
+ || [string match {deleted symlink} $line]
|| [string match {Binary files * and * differ} $line]
|| $line eq {\ No newline at end of file}
|| [regexp {^\* Unmerged path } $line]} {