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-rw-r--r--git-gui/lib/checkout_op.tcl6
-rw-r--r--git-gui/lib/commit.tcl4
-rw-r--r--git-gui/lib/diff.tcl129
-rw-r--r--git-gui/lib/index.tcl8
4 files changed, 108 insertions, 39 deletions
diff --git a/git-gui/lib/checkout_op.tcl b/git-gui/lib/checkout_op.tcl
index 9e7412c446..a5228297db 100644
--- a/git-gui/lib/checkout_op.tcl
+++ b/git-gui/lib/checkout_op.tcl
@@ -389,7 +389,7 @@ $err
}
method _after_readtree {} {
- global selected_commit_type commit_type HEAD MERGE_HEAD PARENT
+ global commit_type HEAD MERGE_HEAD PARENT
global current_branch is_detached
global ui_comm
@@ -490,12 +490,12 @@ method _update_repo_state {} {
# amend mode our file lists are accurate and we can avoid
# the rescan.
#
- global selected_commit_type commit_type HEAD MERGE_HEAD PARENT
+ global commit_type_is_amend commit_type HEAD MERGE_HEAD PARENT
global ui_comm
unlock_index
set name [_name $this]
- set selected_commit_type new
+ set commit_type_is_amend 0
if {[string match amend* $commit_type]} {
$ui_comm delete 0.0 end
$ui_comm edit reset
diff --git a/git-gui/lib/commit.tcl b/git-gui/lib/commit.tcl
index 75ea965dac..b516aa2990 100644
--- a/git-gui/lib/commit.tcl
+++ b/git-gui/lib/commit.tcl
@@ -333,7 +333,7 @@ proc commit_writetree {curHEAD msg_p} {
proc commit_committree {fd_wt curHEAD msg_p} {
global HEAD PARENT MERGE_HEAD commit_type commit_author
global current_branch
- global ui_comm selected_commit_type
+ global ui_comm commit_type_is_amend
global file_states selected_paths rescan_active
global repo_config
global env
@@ -467,8 +467,8 @@ A rescan will be automatically started now.
# -- Update in memory status
#
- set selected_commit_type new
set commit_type normal
+ set commit_type_is_amend 0
set HEAD $cmt_id
set PARENT $cmt_id
set MERGE_HEAD [list]
diff --git a/git-gui/lib/diff.tcl b/git-gui/lib/diff.tcl
index 68c4a6c736..871ad488c2 100644
--- a/git-gui/lib/diff.tcl
+++ b/git-gui/lib/diff.tcl
@@ -55,7 +55,7 @@ proc reshow_diff {{after {}}} {
proc force_diff_encoding {enc} {
global current_diff_path
-
+
if {$current_diff_path ne {}} {
force_path_encoding $current_diff_path $enc
reshow_diff
@@ -270,19 +270,6 @@ proc show_other_diff {path w m cont_info} {
}
}
-proc get_conflict_marker_size {path} {
- set size 7
- catch {
- set fd_rc [eval [list git_read check-attr "conflict-marker-size" -- $path]]
- set ret [gets $fd_rc line]
- close $fd_rc
- if {$ret > 0} {
- regexp {.*: conflict-marker-size: (\d+)$} $line line size
- }
- }
- return $size
-}
-
proc start_show_diff {cont_info {add_opts {}}} {
global file_states file_lists
global is_3way_diff is_submodule_diff diff_active repo_config
@@ -298,7 +285,7 @@ proc start_show_diff {cont_info {add_opts {}}} {
set is_submodule_diff 0
set diff_active 1
set current_diff_header {}
- set conflict_size [get_conflict_marker_size $path]
+ set conflict_size [gitattr $path conflict-marker-size 7]
set cmd [list]
if {$w eq $ui_index} {
@@ -360,6 +347,10 @@ proc start_show_diff {cont_info {add_opts {}}} {
}
set ::current_diff_inheader 1
+ # Detect pre-image lines of the diff3 conflict-style. They are just
+ # '++' lines which is not bijective. Thus, we need to maintain a state
+ # across lines.
+ set ::conflict_in_pre_image 0
fconfigure $fd \
-blocking 0 \
-encoding [get_path_encoding $path] \
@@ -462,11 +453,23 @@ proc read_diff {fd conflict_size cont_info} {
{--} {set tags d_--}
{++} {
set regexp [string map [list %conflict_size $conflict_size]\
- {^\+\+([<>=]){%conflict_size}(?: |$)}]
+ {^\+\+([<>=|]){%conflict_size}(?: |$)}]
if {[regexp $regexp $line _g op]} {
set is_conflict_diff 1
set line [string replace $line 0 1 { }]
set tags d$op
+
+ # The ||| conflict-marker marks the start of the pre-image.
+ # All those lines are also prefixed with '++'. Thus we need
+ # to maintain this state.
+ set ::conflict_in_pre_image [expr {$op eq {|}}]
+ } elseif {$::conflict_in_pre_image} {
+ # This is a pre-image line. It is the one which both sides
+ # are based on. As it has also the '++' line start, it is
+ # normally shown as 'added'. Invert this to '--' to make
+ # it a 'removed' line.
+ set line [string replace $line 0 1 {--}]
+ set tags d_--
} else {
set tags d_++
}
@@ -567,24 +570,31 @@ proc read_diff {fd conflict_size cont_info} {
}
}
-proc apply_hunk {x y} {
+proc apply_or_revert_hunk {x y revert} {
global current_diff_path current_diff_header current_diff_side
- global ui_diff ui_index file_states
+ global ui_diff ui_index file_states last_revert last_revert_enc
if {$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 $mi 1] ne {M}} {
unlock_index
return
@@ -603,29 +613,40 @@ proc apply_hunk {x y} {
set e_lno end
}
+ set wholepatch "$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 +661,9 @@ 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 [$ui_diff tag nextrange sel 0.0]
@@ -660,19 +681,27 @@ proc apply_range_or_line {x y} {
if {$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 +859,47 @@ 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$err"
+ unlock_index
+ return
}
+ set last_revert {}
+
unlock_index
}
diff --git a/git-gui/lib/index.tcl b/git-gui/lib/index.tcl
index b588db11d9..e07b7a3762 100644
--- a/git-gui/lib/index.tcl
+++ b/git-gui/lib/index.tcl
@@ -466,19 +466,19 @@ proc do_revert_selection {} {
}
proc do_select_commit_type {} {
- global commit_type selected_commit_type
+ global commit_type commit_type_is_amend
- if {$selected_commit_type eq {new}
+ if {$commit_type_is_amend == 0
&& [string match amend* $commit_type]} {
create_new_commit
- } elseif {$selected_commit_type eq {amend}
+ } elseif {$commit_type_is_amend == 1
&& ![string match amend* $commit_type]} {
load_last_commit
# The amend request was rejected...
#
if {![string match amend* $commit_type]} {
- set selected_commit_type new
+ set commit_type_is_amend 0
}
}
}