shithub: git9

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Allow configuring the editor in git.

Preference is `{git/conf core.editor}, followed by $editor, followed
by sam.

--- a/commit

+++ b/commit

@@ -45,7 +45,12 @@

 	echo '# Commit message goes here.' >> $msgfile.tmp

 	echo '# Author: '$name' <'$email'>' >> $msgfile.tmp

 	echo '#' $nl'# ' ^ `$nl{git/walk -fAMR} >> $msgfile.tmp

-	sam $msgfile.tmp

+	giteditor=`{git/conf core.editor}

+	if(~ $#editor 0)

+		editor=$giteditor

+	if(~ $#editor 0)

+		editor=sam

+	$editor $msgfile.tmp

 	if(~ `{grep -v '^[ 	]*($|#.*$)' $msgfile.tmp | wc -l} 0)

 		die 'empty commit message'

 	grep -v '^[ 	]*#' < $msgfile.tmp > $msgfile

--- a/common.rc

+++ /dev/null

@@ -1,20 +1,0 @@

-nl='

-'

-

-fn die{

-	>[1=2] echo $0: $*

-	exit $"*

-}

-

-fn usage{

-	>[1=2] echo -n 'usage:' $usage

-	exit 'usage'

-}

-

-fn gitup{

-	gitroot=`{git/conf -r >[2]/dev/null}

-	if(~ $#gitroot 0)

-		die 'not a git repository'

-	cd $gitroot

-	git/fs

-}