code: plan9front

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git/hist: add command to show history of files

--- /dev/null

+++ b/sys/src/cmd/git/hist

@@ -1,0 +1,34 @@

+#!/bin/rc

+rfork ne

+

+. /sys/lib/git/common.rc

+gitup

+

+fn dodiff {

+	while(t=`{read}){

+		h=$t(1)

+		o=.git/fs/object/`{git/query $h~}

+		c=.git/fs/object/$h

+		echo 'Hash:' $h

+		echo -n 'Date: '; date `{walk -em $c/msg}

+		echo -n 'Author: '; cat $c/author

+		echo -n 'Message: '; cat $c/msg

+		echo

+		for(f in $files){

+			curr=$c/tree/$f

+			prev=$o/tree/$f

+			if(! test -e $curr)

+				curr=/dev/null

+			if(! test -e $prev)

+				prev=/dev/null

+			diff -u $prev $curr

+		}

+		echo

+	}

+}

+

+if(~ $#* 0)

+	die usage: $0 files...

+

+files=`{cleanname $gitrel/$*}

+git/log -s $files | dodiff

--- a/sys/src/cmd/git/mkfile

+++ b/sys/src/cmd/git/mkfile

@@ -21,6 +21,7 @@

 	compat\

 	diff\

 	export\

+	hist\

 	import\

 	init\

 	merge\