git-commit-vandalism/lib/date.tcl

54 lines
1.0 KiB
Tcl
Raw Normal View History

# git-gui date processing support
# Copyright (C) 2007 Shawn Pearce
set git_month(Jan) 1
set git_month(Feb) 2
set git_month(Mar) 3
set git_month(Apr) 4
set git_month(May) 5
set git_month(Jun) 6
set git_month(Jul) 7
set git_month(Aug) 8
set git_month(Sep) 9
set git_month(Oct) 10
set git_month(Nov) 11
set git_month(Dec) 12
proc parse_git_date {s} {
if {$s eq {}} {
return {}
}
if {![regexp \
{^... (...) (\d{1,2}) (\d\d):(\d\d):(\d\d) (\d{4}) ([+-]?)(\d\d)(\d\d)$} $s s \
month day hr mm ss yr ew tz_h tz_m]} {
error [mc "Invalid date from Git: %s" $s]
}
set s [clock scan [format {%4.4i%2.2i%2.2iT%2s%2s%2s} \
$yr $::git_month($month) $day \
$hr $mm $ss] \
-gmt 1]
regsub ^0 $tz_h {} tz_h
regsub ^0 $tz_m {} tz_m
switch -- $ew {
- {set ew +}
+ {set ew -}
{} {set ew -}
}
return [expr "$s $ew ($tz_h * 3600 + $tz_m * 60)"]
}
proc format_date {s} {
if {$s eq {}} {
return {}
}
return [clock format $s -format {%a %b %e %H:%M:%S %Y}]
}
proc reformat_date {s} {
return [format_date [parse_git_date $s]]
}