On Mon, Sep 7, 2015 at 9:52 AM, Gábor Bernát <ber...@primeranks.net> wrote:
> From: Gabor Bernat <gabor.ber...@gravityrd.com>
>
> adds seconds progress and estimated seconds time if getting the current
> timestamp is supported by the date +%s command
>
> Signed-off-by: Gabor Bernat <gabor.ber...@gravityrd.com>
> ---
> diff --git a/git-filter-branch.sh b/git-filter-branch.sh
> index 5b3f63d..565144a 100755
> --- a/git-filter-branch.sh
> +++ b/git-filter-branch.sh
> @@ -275,11 +275,41 @@ commits=$(wc -l <../revs | tr -d " ")
> test $commits -eq 0 && die "Found nothing to rewrite"
>
> # Rewrite the commits
> +report_progress ()
> +{
> +if test -n "$progress"
> +then
Indent code within the function...
> + if test $git_filter_branch__commit_count -gt $next_sample_at
> + then
> + now_timestamp=$(date +%s)
> + elapsed_seconds=$(($now_timestamp - $start_timestamp))
> + remaining_second=$(( ($commits -
> $git_filter_branch__commit_count) * $elapsed_seconds /
> $git_filter_branch__commit_count ))
> + if test $elapsed_seconds -gt 0
> + then
> + next_sample_at=$(( ($elapsed_seconds + 1) *
> $git_filter_branch__commit_count / $elapsed_seconds ))
> + else
> + next_sample_at=$(($next_sample_at + 1))
> + fi
> + progress=" ($elapsed_seconds seconds passed, remaining
> $remaining_second predicted)"
> + fi
> +fi
> +printf "\rRewrite $commit
> ($git_filter_branch__commit_count/$commits)$progress"
The "\r" causes this status line to be overwritten each time through,
and since the processed commit count always increases, we know that
the original (without ETA) will never leave junk at the end of the
line. However, with estimated seconds also being displayed, does this
still hold? While it's true that elapsed seconds will increase,
estimated seconds may jump around, requiring different numbers of
digits to display. This may leave "garbage" digits at the end of line
from previous iterations, can't it?
> +}
>
> git_filter_branch__commit_count=0
> +
> +progress= start_timestamp=
> +if date '+%s' 2>/dev/null | grep -q '^[0-9][0-9]*$'
> +then
> + next_sample_at=0
> + progress="dummy to ensure this is not empty"
> + start_timestamp=$(date '+%s')
> +fi
> +
> while read commit parents; do
>
> git_filter_branch__commit_count=$(($git_filter_branch__commit_count+1))
> - printf "\rRewrite $commit ($git_filter_branch__commit_count/$commits)"
> +
> + report_progress
>
> case "$filter_subdir" in
> "")
> --
> 2.6.0.rc0.3.gb3280a4
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