diff options
Diffstat (limited to 'git-gui/lib/checkout_op.tcl')
| -rw-r--r-- | git-gui/lib/checkout_op.tcl | 101 |
1 files changed, 55 insertions, 46 deletions
diff --git a/git-gui/lib/checkout_op.tcl b/git-gui/lib/checkout_op.tcl index 00a994be12..170f737f61 100644 --- a/git-gui/lib/checkout_op.tcl +++ b/git-gui/lib/checkout_op.tcl @@ -12,6 +12,7 @@ field new_ref ; # ref we are updating/creating field parent_w .; # window that started us field merge_type none; # type of merge to apply to existing branch +field merge_base {}; # merge base if we have another ref involved field fetch_spec {}; # refetch tracking branch if used? field checkout 1; # actually checkout the branch? field create 0; # create the branch if it doesn't exist? @@ -65,14 +66,19 @@ method run {} { set r_head [lindex $fetch_spec 2] regsub ^refs/heads/ $r_head {} r_name + set cmd [list git fetch $remote] + if {$l_trck ne {}} { + lappend cmd +$r_head:$l_trck + } else { + lappend cmd $r_head + } + _toplevel $this {Refreshing Tracking Branch} set w_cons [::console::embed \ $w.console \ "Fetching $r_name from $remote"] pack $w.console -fill both -expand 1 - $w_cons exec \ - [list git fetch $remote +$r_head:$l_trck] \ - [cb _finish_fetch] + $w_cons exec $cmd [cb _finish_fetch] bind $w <$M1B-Key-w> break bind $w <$M1B-Key-W> break @@ -113,6 +119,9 @@ method _noop {} {} method _finish_fetch {ok} { if {$ok} { set l_trck [lindex $fetch_spec 0] + if {$l_trck eq {}} { + set l_trck FETCH_HEAD + } if {[catch {set new_hash [git rev-parse --verify "$l_trck^0"]} err]} { set ok 0 $w_cons insert "fatal: Cannot resolve $l_trck" @@ -180,29 +189,25 @@ method _update_ref {} { # No merge would be required, don't compute anything. # } else { - set mrb {} - catch {set mrb [git merge-base $new $cur]} - switch -- $merge_type { - ff { - if {$mrb eq $new} { - # The current branch is actually newer. - # - set new $cur - } elseif {$mrb eq $cur} { - # The current branch is older. - # - set reflog_msg "merge $new_expr: Fast-forward" - } else { - _error $this "Branch '$newbranch' already exists.\n\nIt cannot fast-forward to $new_expr.\nA merge is required." - return 0 + catch {set merge_base [git merge-base $new $cur]} + if {$merge_base eq $cur} { + # The current branch is older. + # + set reflog_msg "merge $new_expr: Fast-forward" + } else { + switch -- $merge_type { + ff { + if {$merge_base eq $new} { + # The current branch is actually newer. + # + set new $cur + set new_hash $cur + } else { + _error $this "Branch '$newbranch' already exists.\n\nIt cannot fast-forward to $new_expr.\nA merge is required." + return 0 + } } - } - reset { - if {$mrb eq $cur} { - # The current branch is older. - # - set reflog_msg "merge $new_expr: Fast-forward" - } else { + reset { # The current branch will lose things. # if {[_confirm_reset $this $cur]} { @@ -211,11 +216,11 @@ method _update_ref {} { return 0 } } - } - default { - _error $this "Only 'ff' and 'reset' merge is currently supported." - return 0 - } + default { + _error $this "Merge strategy '$merge_type' not supported." + return 0 + } + } } } @@ -243,7 +248,7 @@ method _checkout {} { if {[lock_index checkout_op]} { after idle [cb _start_checkout] } else { - _error $this "Index is already locked." + _error $this "Staging area (index) is already locked." delete_this } } @@ -270,7 +275,9 @@ The rescan will be automatically started now. return } - if {[is_config_true gui.trustmtime]} { + if {$curHEAD eq $new_hash} { + _after_readtree $this + } elseif {[is_config_true gui.trustmtime]} { _readtree $this } else { ui_status {Refreshing file status...} @@ -378,22 +385,24 @@ method _after_readtree {} { set rn [string length $rh] if {[string equal -length $rn $rh $new_ref]} { set new_branch [string range $new_ref $rn end] - append log " to $new_branch" - - if {[catch { - git symbolic-ref -m $log HEAD $new_ref - } err]} { - _fatal $this $err + if {$is_detached || $current_branch ne $new_branch} { + append log " to $new_branch" + if {[catch { + git symbolic-ref -m $log HEAD $new_ref + } err]} { + _fatal $this $err + } + set current_branch $new_branch + set is_detached 0 } - set current_branch $new_branch - set is_detached 0 } else { - append log " to $new_expr" - - if {[catch { - _detach_HEAD $log $new_hash - } err]} { - _fatal $this $err + if {$new_hash ne $HEAD} { + append log " to $new_expr" + if {[catch { + _detach_HEAD $log $new_hash + } err]} { + _fatal $this $err + } } set current_branch HEAD set is_detached 1 |