git-gui: Fix parsing of <rev> <path-which-not-present-in-worktree>

diff --git a/git-gui.sh b/git-gui.sh
index 7dddc7dd24f85a7094e725f759a264b8154fba73..e133331ef59a44315f5f5e42e4219902024a5c81 100755 (executable)
--- a/git-gui.sh
+++ b/git-gui.sh
@@ -1464,7 +1464,7 @@ proc rescan {after {honor_trustmtime 1}} {
                (![$ui_comm edit modified]
                || [string trim [$ui_comm get 0.0 end]] eq {})} {
                if {[string match amend* $commit_type]} {
-               } elseif {[load_message GITGUI_MSG]} {
+               } elseif {[load_message GITGUI_MSG utf-8]} {
                } elseif {[run_prepare_commit_msg_hook]} {
                } elseif {[load_message MERGE_MSG]} {
                } elseif {[load_message SQUASH_MSG]} {
@@ -1550,7 +1550,7 @@ proc rescan_stage2 {fd after} {
        fileevent $fd_lo readable [list read_ls_others $fd_lo $after]
 }
 
-proc load_message {file} {
+proc load_message {file {encoding {}}} {
        global ui_comm
 
        set f [gitdir $file]
@@ -1559,6 +1559,9 @@ proc load_message {file} {
                        return 0
                }
                fconfigure $fd -eofchar {}
+               if {$encoding ne {}} {
+                       fconfigure $fd -encoding $encoding
+               }
                set content [string trim [read $fd]]
                close $fd
                regsub -all -line {[ \r\t]+$} $content {} content
@@ -2267,6 +2270,7 @@ proc do_quit {{rc {1}}} {
                                && $msg ne {}} {
                                catch {
                                        set fd [open $save w]
+                                       fconfigure $fd -encoding utf-8
                                        puts -nonewline $fd $msg
                                        close $fd
                                }
@@ -2999,7 +3003,17 @@ blame {
        set jump_spec {}
        set is_path 0
        foreach a $argv {
-               if {$is_path || [file exists $_prefix$a]} {
+               if {[file exists $a]} {
+                       if {$path ne {}} usage
+                       set path [normalize_relpath $a]
+                       break
+               } elseif {[file exists $_prefix$a]} {
+                       if {$path ne {}} usage
+                       set path [normalize_relpath $_prefix$a]
+                       break
+               }
+
+               if {$is_path} {
                        if {$path ne {}} usage
                        set path [normalize_relpath $_prefix$a]
                        break
@@ -3024,8 +3038,13 @@ blame {
        unset is_path
 
        if {$head ne {} && $path eq {}} {
-               set path [normalize_relpath $_prefix$head]
-               set head {}
+               if {[string index $head 0] eq {/}} {
+                       set path [normalize_relpath $head]
+                       set head {}
+               } else {
+                       set path [normalize_relpath $_prefix$head]
+                       set head {}
+               }
        }
 
        if {$head eq {}} {
@@ -3711,6 +3730,8 @@ bind $ui_diff <$M1B-Key-v> {break}
 bind $ui_diff <$M1B-Key-V> {break}
 bind $ui_diff <$M1B-Key-a> {%W tag add sel 0.0 end;break}
 bind $ui_diff <$M1B-Key-A> {%W tag add sel 0.0 end;break}
+bind $ui_diff <$M1B-Key-j> {do_revert_selection;break}
+bind $ui_diff <$M1B-Key-J> {do_revert_selection;break}
 bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
 bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
 bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
@@ -3743,6 +3764,8 @@ bind .   <$M1B-Key-s> do_signoff
 bind .   <$M1B-Key-S> do_signoff
 bind .   <$M1B-Key-t> do_add_selection
 bind .   <$M1B-Key-T> do_add_selection
+bind .   <$M1B-Key-u> do_unstage_selection
+bind .   <$M1B-Key-U> do_unstage_selection
 bind .   <$M1B-Key-j> do_revert_selection
 bind .   <$M1B-Key-J> do_revert_selection
 bind .   <$M1B-Key-i> do_add_all
@@ -3836,7 +3859,7 @@ if {[is_enabled transport]} {
 }
 
 if {[winfo exists $ui_comm]} {
-       set GITGUI_BCK_exists [load_message GITGUI_BCK]
+       set GITGUI_BCK_exists [load_message GITGUI_BCK utf-8]
 
        # -- If both our backup and message files exist use the
        #    newer of the two files to initialize the buffer.
@@ -3873,6 +3896,7 @@ if {[winfo exists $ui_comm]} {
                        } elseif {$m} {
                                catch {
                                        set fd [open [gitdir GITGUI_BCK] w]
+                                       fconfigure $fd -encoding utf-8
                                        puts -nonewline $fd $msg
                                        close $fd
                                        set GITGUI_BCK_exists 1