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Add vercmp as a port action that compares two versions #229

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Add vercmp as a port action that compares two versions #229

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22 changes: 22 additions & 0 deletions src/port/port.tcl
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Original file line number Diff line number Diff line change
Expand Up @@ -4230,6 +4230,26 @@ proc action_mirror { action portlist opts } {
action_target $action $portlist $opts
}

proc action_vercmp { action portlist opts } {
if {[llength $portlist] != 2} {
ui_error "Usage: port vercmp versionA versionB"
return 1
}
set versionA [lindex $portlist 0]
set versionB [lindex $portlist 1]
set result [vercmp $versionA $versionB]
ui_msg -nonewline "MacPorts considers $versionA to be "
if {$result < 0} {
ui_msg -nonewline "less than"
} elseif {$result == 0} {
ui_msg -nonewline "equal to"
} else {
ui_msg -nonewline "greater than"
}
ui_msg " $versionB"
return 0
}

proc action_exit { action portlist opts } {
# Return a semaphore telling the main loop to quit
return -999
Expand Down Expand Up @@ -4368,6 +4388,8 @@ array set action_array [list \
mpkg [list action_target [ACTION_ARGS_PORTS]] \
pkg [list action_target [ACTION_ARGS_PORTS]] \
\
vercmp [list action_vercmp [ACTION_ARGS_STRINGS]] \
\
quit [list action_exit [ACTION_ARGS_NONE]] \
exit [list action_exit [ACTION_ARGS_NONE]] \
]
Expand Down