From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff Sipek <jeffpc@josefsipek.net>
Subject: Re: [GUILT 17/28] "guilt graph" no longer loops when no patches are
 applied.
Date: Tue, 6 May 2014 16:10:23 -0400
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To: Per Cederqvist <cederp@opera.com>
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Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>

On Fri, Mar 21, 2014 at 08:31:55AM +0100, Per Cederqvist wrote:
> Give an error message if no patches are applied.  Added a test case
> that never terminates unless this fix is applied.
> 
> Signed-off-by: Per Cederqvist <cederp@opera.com>
> ---
>  guilt-graph          | 10 ++++++++--
>  regression/t-033.out |  3 +++
>  regression/t-033.sh  | 11 +++++++++++
>  3 files changed, 22 insertions(+), 2 deletions(-)
>  create mode 100644 regression/t-033.out
>  create mode 100755 regression/t-033.sh
> 
> diff --git a/guilt-graph b/guilt-graph
> index b3469dc..00301d5 100755
> --- a/guilt-graph
> +++ b/guilt-graph
> @@ -17,8 +17,14 @@ fi
>  
>  patchname="$1"
>  
> -bottom=`git rev-parse refs/patches/$branch/$(head_n 1 < "$applied")`
> -base=`git rev-parse $bottom^`
> +bottompatch=$(head_n 1 < "$applied")
> +if [ -z "$bottompatch" ]
> +then
> +	echo "No patch applied." >&2
> +	exit 1
> +fi
> +
> +base=`git rev-parse "refs/patches/${branch}/${bottompatch}^"`
>  
>  if [ -z "$patchname" ]; then
>  	top=`git rev-parse HEAD`
> diff --git a/regression/t-033.out b/regression/t-033.out
> new file mode 100644
> index 0000000..76613f9
> --- /dev/null
> +++ b/regression/t-033.out
> @@ -0,0 +1,3 @@
> +% setup_repo
> +% guilt graph
> +No patch applied.
> diff --git a/regression/t-033.sh b/regression/t-033.sh
> new file mode 100755
> index 0000000..ae40577
> --- /dev/null
> +++ b/regression/t-033.sh
> @@ -0,0 +1,11 @@
> +#!/bin/bash
> +#
> +# Test the graph code
> +#
> +
> +source "$REG_DIR/scaffold"
> +
> +cmd setup_repo
> +
> +shouldfail guilt graph
> +
> -- 
> 1.8.3.1
> 

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