[PATCH 5/5] defaultenv-2: add boot sequence

Roberto Nibali rnibali at gmail.com
Fri Aug 24 03:36:53 EDT 2012


Hi

> diff --git a/defaultenv-2/base/bin/boot b/defaultenv-2/base/bin/boot
> index 103eb87..ade555d 100644
> --- a/defaultenv-2/base/bin/boot
> +++ b/defaultenv-2/base/bin/boot
> @@ -2,20 +2,39 @@
>
>  verbose=
>  dryrun=
> +sequence=
>
>  usage="
>  $0 [OPTIONS] [source]\n
>   -v  verbose\n
>   -d  dryrun\n
>   -l  list boot sources\n
> + -s  start boot sequence in /env/boot.d/\n
>   -h  help"
>
> +if [ ${global.allow_color} = "true" ]; then
> +       . /env/data/ansi-colors
> +       ECHO=-e
> +fi

Since you seem to be using global.allow_color in other places as well,
wouldn't it be advisable to move the whole if-block into
/env/data/ansi-colors and subsequently just source it whenever a hush
script needs it?

Also why not generally use $ECHO in scripts, however along the lines
of (inside /env/data/ansi-colors/):

if [ ${global.allow_color} = "true" ]; then
   # color definitions
   ECHO = "echo -e"
else
   ECHO = "echo"
fi

You then only invoke $ECHO instead of 'echo $ECHO'.

>  for i in /env/boot/*; do
>         basename $i s
>         sources="$sources$s "
>  done
>
> -while getopt "vdhl" opt; do
> +if [ -d /env/boot.d ]; then
> +       sources="$sources\nboot sequence:"
> +       for i in /env/boot.d/*; do
> +               readlink -f $i s
> +               basename $s link
> +               basename $i s
> +               sources="$sources\n $s -> $link"
> +       done
> +else
> +       sources="$sources\nboot sequence:\nnone"
> +fi
> +
> +while getopt "vdhls" opt; do
>         if [ ${opt} = v ]; then
>                 if [ -n "$verbose" ]; then
>                         verbose="-v -v"
> @@ -23,7 +42,9 @@ while getopt "vdhl" opt; do
>                         verbose="-v"
>                 fi
>         elif [ ${opt} = d ]; then
> -               dryrun=1
> +               dryrun="-d"

Why this change?

> +       elif [ ${opt} = s ]; then
> +               sequence=1
>         elif [ ${opt} = l ]; then
>                 echo -e "boot sources:\n$sources"
>                 exit 0
> @@ -43,12 +64,33 @@ else
>         scr="$1"
>  fi
>
> +if [ -n "$sequence" -o "x$src" = "xseq" ]; then
> +       if [ ! -d /env/boot.d ]; then
> +               echo ${ECHO} "${GREEN}boot sequence ${RED}none${NC}"
> +               exit 1
> +       fi
> +       echo ${ECHO} "${GREEN}Start boot sequence${NC}"
> +       for i in /env/boot.d/*; do
> +               readlink -f $i s
> +               basename $s link
> +               basename $i s
> +               msg="${GREEN}boot${NC} ${YELLOW}${s}${NC} -> ${CYAN}${link}${NC}"
> +               echo ${ECHO} "${msg}"
> +               boot $dryrun $s
> +               echo ${ECHO} "${msg} ${RED}failled${NC}"
> +               ret=$?
> +       done
> +       echo ${ECHO} "${GREEN}boot sequence ${RED}failled${NC}"
> +       exit $ret
> +fi
> +
>  if [ -n "$scr" ]; then
> -       if [ ! -f /env/boot/$scr ]; then
> -               echo -e "/env/boot/$scr does not exist.Valid choices:\n$sources"
> +       if [ ! -f /env/boot.d/$scr -a ! -f /env/boot/$scr ]; then
> +               echo -e "/env/boot/$scr or /env/boot.d/$scr does not exist.Valid choices:\n$sources"
>                 exit
>         fi
> -       /env/boot/$scr
> +       [ -f /env/boot.d/$scr ] && /env/boot.d/$scr
> +       [ -f /env/boot/$scr ] && /env/boot/$scr
>  fi
>
>  if [ -n "$dryrun" ]; then
> diff --git a/defaultenv-2/base/init/general b/defaultenv-2/base/init/general
> index 98a92d1..2c0bd74 100644
> --- a/defaultenv-2/base/init/general
> +++ b/defaultenv-2/base/init/general
> @@ -11,5 +11,5 @@ global.user=sha
>  # timeout in seconds before the default boot entry is started
>  global.autoboot_timeout=3
>
> -# default boot entry (one of /env/boot/*)
> +# default boot entry (one of /env/boot/*) or seq to start the sequence
>  global.boot.default=net
> --
> 1.7.10.4
>
>
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