shithub: git9

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git/commit: don't require tree changes when revising a commit

When using -e or -m, we may just be revising the commit message.

--- a/commit

+++ b/commit

@@ -121,10 +121,8 @@

 gitup

-flagfmt='m:msg message, r:revise, e:edit'; args='file ...'

+flagfmt='m:msg message, r:revise, e:edit'; args='[file ...]'

 eval `''{aux/getflags $*} || exec aux/usage

-if(~ $#* 0)

-	exec aux/usage

 msgfile=/tmp/git-msg.$pid

 if(~ $#msg 1)

@@ -135,8 +133,10 @@

 	cat /mnt/git/HEAD/msg >$msgfile.tmp

 }

-files=`$nl{git/walk -c `$nl{cleanname $gitrel/$*}}

-if(~ $status '' || ~ $#files 0 && ! test -f .git/index9/merge-parents)

+files=()

+if(! ~ $#* 0)

+	files=`$nl{git/walk -c `$nl{cleanname $gitrel/$*}}

+if(~ $status '' || ~ $#files 0 && ! test -f .git/index9/merge-parents && ~ $#revise 0)

 	die 'nothing to commit' $status

 @{

 	flag e +

--- a/git.1.man

+++ b/git.1.man

@@ -41,7 +41,9 @@

 [

 .B -m msg

 ]

+[

 .I file...

+]

 .PP

 .B git/compat

 .PP

--- a/save.c

+++ b/save.c

@@ -337,7 +337,7 @@

 void

 usage(void)

 {

-	fprint(2, "usage: %s -n name -e email -m message -d date files...\n", argv0);

+	fprint(2, "usage: %s -n name -e email -m message -d date [files...]\n", argv0);

 	exits("usage");

 }

@@ -383,7 +383,7 @@

 		if(strlen(dstr) != 0)

 			sysfatal("could not parse date %s", dstr);

 	}

-	if(argc == 0 || msg == nil || name == nil)

+	if(msg == nil || name == nil)

 		usage();

 	for(i = 0; i < argc; i++)

 		cleanname(argv[i]);