Merge branch 'ss/mergetool--lib'

* ss/mergetool--lib:
  mergetool--lib: Add Beyond Compare 3 as a tool
  mergetool--lib: Sort tools alphabetically for easier lookup

Author: gitster

Documentation/git-difftool.txt

@@ -31,8 +31,8 @@ OPTIONS
 --tool=<tool>::
 	Use the diff tool specified by <tool>.
 	Valid merge tools are:
-	kdiff3, kompare, tkdiff, meld, xxdiff, emerge, vimdiff, gvimdiff,
-	ecmerge, diffuse, opendiff, p4merge and araxis.
+	araxis, bc3, diffuse, emerge, ecmerge, gvimdiff, kdiff3,
+	kompare, meld, opendiff, p4merge, tkdiff, vimdiff and xxdiff.
 +
 If a diff tool is not specified, 'git difftool'
 will use the configuration variable `diff.tool`.  If the

Documentation/git-mergetool.txt

@@ -26,8 +26,8 @@ OPTIONS
 --tool=<tool>::
 	Use the merge resolution program specified by <tool>.
 	Valid merge tools are:
-	kdiff3, tkdiff, meld, xxdiff, emerge, vimdiff, gvimdiff, ecmerge,
-	diffuse, tortoisemerge, opendiff, p4merge and araxis.
+	araxis, bc3, diffuse, ecmerge, emerge, gvimdiff, kdiff3,
+	meld, opendiff, p4merge, tkdiff, tortoisemerge, vimdiff and xxdiff.
 +
 If a merge resolution program is not specified, 'git mergetool'
 will use the configuration variable `merge.tool`.  If the

Documentation/merge-config.txt

@@ -33,10 +33,10 @@ merge.stat::
 
 merge.tool::
 	Controls which merge resolution program is used by
-	linkgit:git-mergetool[1].  Valid built-in values are: "kdiff3",
-	"tkdiff", "meld", "xxdiff", "emerge", "vimdiff", "gvimdiff",
-	"diffuse", "ecmerge", "tortoisemerge", "p4merge", "araxis" and
-	"opendiff".  Any other value is treated is custom merge tool
+	linkgit:git-mergetool[1].  Valid built-in values are: "araxis",
+	"bc3", "diffuse", "ecmerge", "emerge", "gvimdiff", "kdiff3", "meld",
+	"opendiff", "p4merge", "tkdiff", "tortoisemerge", "vimdiff"
+	and "xxdiff".  Any other value is treated is custom merge tool
 	and there must be a corresponding mergetool.<tool>.cmd option.
 
 merge.verbosity::

contrib/completion/git-completion.bash

@@ -1360,7 +1360,7 @@ _git_diff ()
 }
 
 __git_mergetools_common="diffuse ecmerge emerge kdiff3 meld opendiff
-			tkdiff vimdiff gvimdiff xxdiff araxis p4merge
+			tkdiff vimdiff gvimdiff xxdiff araxis p4merge bc3
 "
 
 _git_difftool ()