setup 2 diff/merge tools (based on file types)

mercurial.ini

# Generated by TortoiseHg settings dialog

[diff]
git = True

[extensions]
mercurial_keyring = 

[ui]
merge = sourcegeardiffmerge
username = hoang

[tortoisehg]
vdiff = sourcegeardiffmerge
closeci = True
workbench.single = True
ui.language = en
initialrevision = workingdir

[merge-tools]
sourcegeardiffmerge.executable=c:\Program Files\SourceGear\Common\DiffMerge\sgdm.exe
sourcegeardiffmerge.gui=True
sourcegeardiffmerge.diffargs=-nosplash -t1="$plabel1" -t2="$clabel" $parent $child
sourcegeardiffmerge.priority=1
sourcegeardiffmerge.diff3args = -t1="LocalVersion" -t2="MergedResult" -t3="OtherVersion" $parent1 $child $parent2
sourcegeardiffmerge.binary = False
sourcegeardiffmerge.symlinks = False

tortoiseidiff.executable=c:\Program Files\TortoiseSVN\bin\TortoiseIDiff.exe
tortoiseidiff.gui=True
tortoiseidiff.diffargs=/left:"$parent" /lefttitle:"$plabel1" /right:"$child" /righttitle:"$clabel" /showinfo
tortoiseidiff.priority=2

[diff-patterns]
**.jpg = tortoiseidiff
**.jpeg = tortoiseidiff
**.png = tortoiseidiff
** = sourcegeardiffmerge

[merge-patterns]
**.jpg = tortoiseidiff
**.jpeg = tortoiseidiff
**.png = tortoiseidiff
** = sourcegeardiffmerge