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authorJunio C Hamano <gitster@pobox.com>2019-09-18 18:22:11 (GMT)
committerJunio C Hamano <gitster@pobox.com>2019-09-18 18:22:11 (GMT)
commit7e1976e2100da661e858e3aa12ae2c8d152431c2 (patch)
treee038bcff3e55a4fb8c858025592299931e454f22 /git-gui/lib/diff.tcl
parent8a3a6817e24ae1cf1fd08fb90b4a99e6817f646d (diff)
parentf7a8834ba4aa20ec750833cf8d30d9a9fed5eade (diff)
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Merge branch 'master' of https://github.com/prati0100/git-gui
* 'master' of https://github.com/prati0100/git-gui: git-gui: add hotkey to toggle "Amend Last Commit" git-gui: add horizontal scrollbar to commit buffer git-gui: convert new/amend commit radiobutton to checkbutton git-gui: add hotkeys to set widget focus git-gui: allow undoing last revert git-gui: return early when patch fails to apply git-gui: allow reverting selected hunk git-gui: allow reverting selected lines
Diffstat (limited to 'git-gui/lib/diff.tcl')
-rw-r--r--git-gui/lib/diff.tcl96
1 files changed, 81 insertions, 15 deletions
diff --git a/git-gui/lib/diff.tcl b/git-gui/lib/diff.tcl
index 68c4a6c..958a0fa 100644
--- a/git-gui/lib/diff.tcl
+++ b/git-gui/lib/diff.tcl
@@ -55,7 +55,7 @@ proc reshow_diff {{after {}}} {
proc force_diff_encoding {enc} {
global current_diff_path
-
+
if {$current_diff_path ne {}} {
force_path_encoding $current_diff_path $enc
reshow_diff
@@ -567,24 +567,31 @@ proc read_diff {fd conflict_size cont_info} {
}
}
-proc apply_hunk {x y} {
+proc apply_or_revert_hunk {x y revert} {
global current_diff_path current_diff_header current_diff_side
- global ui_diff ui_index file_states
+ global ui_diff ui_index file_states last_revert last_revert_enc
if {$current_diff_path eq {} || $current_diff_header eq {}} return
if {![lock_index apply_hunk]} return
- set apply_cmd {apply --cached --whitespace=nowarn}
+ set apply_cmd {apply --whitespace=nowarn}
set mi [lindex $file_states($current_diff_path) 0]
if {$current_diff_side eq $ui_index} {
set failed_msg [mc "Failed to unstage selected hunk."]
- lappend apply_cmd --reverse
+ lappend apply_cmd --reverse --cached
if {[string index $mi 0] ne {M}} {
unlock_index
return
}
} else {
- set failed_msg [mc "Failed to stage selected hunk."]
+ if {$revert} {
+ set failed_msg [mc "Failed to revert selected hunk."]
+ lappend apply_cmd --reverse
+ } else {
+ set failed_msg [mc "Failed to stage selected hunk."]
+ lappend apply_cmd --cached
+ }
+
if {[string index $mi 1] ne {M}} {
unlock_index
return
@@ -603,29 +610,40 @@ proc apply_hunk {x y} {
set e_lno end
}
+ set wholepatch "$current_diff_header[$ui_diff get $s_lno $e_lno]"
+
if {[catch {
set enc [get_path_encoding $current_diff_path]
set p [eval git_write $apply_cmd]
fconfigure $p -translation binary -encoding $enc
- puts -nonewline $p $current_diff_header
- puts -nonewline $p [$ui_diff get $s_lno $e_lno]
+ puts -nonewline $p $wholepatch
close $p} err]} {
error_popup "$failed_msg\n\n$err"
unlock_index
return
}
+ if {$revert} {
+ # Save a copy of this patch for undoing reverts.
+ set last_revert $wholepatch
+ set last_revert_enc $enc
+ }
+
$ui_diff conf -state normal
$ui_diff delete $s_lno $e_lno
$ui_diff conf -state disabled
+ # Check if the hunk was the last one in the file.
if {[$ui_diff get 1.0 end] eq "\n"} {
set o _
} else {
set o ?
}
- if {$current_diff_side eq $ui_index} {
+ # Update the status flags.
+ if {$revert} {
+ set mi [string index $mi 0]$o
+ } elseif {$current_diff_side eq $ui_index} {
set mi ${o}M
} elseif {[string index $mi 0] eq {_}} {
set mi M$o
@@ -640,9 +658,9 @@ proc apply_hunk {x y} {
}
}
-proc apply_range_or_line {x y} {
+proc apply_or_revert_range_or_line {x y revert} {
global current_diff_path current_diff_header current_diff_side
- global ui_diff ui_index file_states
+ global ui_diff ui_index file_states last_revert
set selected [$ui_diff tag nextrange sel 0.0]
@@ -660,19 +678,27 @@ proc apply_range_or_line {x y} {
if {$current_diff_path eq {} || $current_diff_header eq {}} return
if {![lock_index apply_hunk]} return
- set apply_cmd {apply --cached --whitespace=nowarn}
+ set apply_cmd {apply --whitespace=nowarn}
set mi [lindex $file_states($current_diff_path) 0]
if {$current_diff_side eq $ui_index} {
set failed_msg [mc "Failed to unstage selected line."]
set to_context {+}
- lappend apply_cmd --reverse
+ lappend apply_cmd --reverse --cached
if {[string index $mi 0] ne {M}} {
unlock_index
return
}
} else {
- set failed_msg [mc "Failed to stage selected line."]
- set to_context {-}
+ if {$revert} {
+ set failed_msg [mc "Failed to revert selected line."]
+ set to_context {+}
+ lappend apply_cmd --reverse
+ } else {
+ set failed_msg [mc "Failed to stage selected line."]
+ set to_context {-}
+ lappend apply_cmd --cached
+ }
+
if {[string index $mi 1] ne {M}} {
unlock_index
return
@@ -830,7 +856,47 @@ proc apply_range_or_line {x y} {
puts -nonewline $p $wholepatch
close $p} err]} {
error_popup "$failed_msg\n\n$err"
+ unlock_index
+ return
+ }
+
+ if {$revert} {
+ # Save a copy of this patch for undoing reverts.
+ set last_revert $current_diff_header$wholepatch
+ set last_revert_enc $enc
}
unlock_index
}
+
+# Undo the last line/hunk reverted. When hunks and lines are reverted, a copy
+# of the diff applied is saved. Re-apply that diff to undo the revert.
+#
+# Right now, we only use a single variable to hold the copy, and not a
+# stack/deque for simplicity, so multiple undos are not possible. Maybe this
+# can be added if the need for something like this is felt in the future.
+proc undo_last_revert {} {
+ global last_revert current_diff_path current_diff_header
+ global last_revert_enc
+
+ if {$last_revert eq {}} return
+ if {![lock_index apply_hunk]} return
+
+ set apply_cmd {apply --whitespace=nowarn}
+ set failed_msg [mc "Failed to undo last revert."]
+
+ if {[catch {
+ set enc $last_revert_enc
+ set p [eval git_write $apply_cmd]
+ fconfigure $p -translation binary -encoding $enc
+ puts -nonewline $p $last_revert
+ close $p} err]} {
+ error_popup "$failed_msg\n\n$err"
+ unlock_index
+ return
+ }
+
+ set last_revert {}
+
+ unlock_index
+}