Beat Bolli <dev+git@xxxxxxxxx> writes:
> When referring to earlier commits in commit messages or other text, one
> of the established formats is
>
> <abbrev-sha> ("<summary>", <author-date>)
> ...
> +proc copysummary {} {
> + global rowmenuid commitinfo
> +
> + set id [string range $rowmenuid 0 7]
> + set info $commitinfo($rowmenuid)
> + set commit [lindex $info 0]
7 hexdigits is not always an appropriate value for all projects.
The minimum necessary to guarantee uniqueness varies on project, and
it is not a good idea to hardcode such a small value. Not-so-old
Linux kernel history seems to use at least 12, for example.
I believe that the "one of the established formats" comes from a
"git one" alias I published somewhere long time ago, that did
something like this:
git show -s --abbrev=8 --pretty='format:%h (%s, %ai' "$@" |
sed -e 's/ [012][0-9]:[0-5][0-9]:[0-5][0-9] [-+][0-9][0-9][0-9][0-9]$/)/'
where the combination of --abbrev=8 and format:%h asks for a unique
abbreviation that is at least 8 hexdigits long but can use more than
8 if it is not long enough to uniquely identify the given commit.
I do not offhand know how $commitinfo is populated, but perhaps you
can tweak that code to ask for both %H (for the full commit object
ID) and %h (for the unique abbreviation of appropriate length) and
store the value for %h to a new field in the $commitinfo($rowmenuid)
array, so that you do not have to have such a hard-coded truncation
here?
> + set date [formatdate [lindex $info 2]]
> + set summary "$id (\"$commit\", $date)"
> +
> + clipboard clear
> + clipboard append $summary
> +}
> +
> proc writecommit {} {
> global rowmenuid wrcomtop commitinfo wrcomcmd NS
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