Re: [PATCH] tagger id

> This patch adds a command git-id for use on
> the command line to see what git will set your id too,
> and for use in scripts (git-tag-script) so they can get your git id.
>
> The common code for computing the git-id is moved to ident.c
>
> Fix parse_date to not mind being passed a constant date
> to parse.
>
> The code to compute the identifier has been restructured
> to at least make a reasonable stab at error handling.  The
> original version had so many unchecked return values it was
> just scary to think about.

> diff --git a/commit-tree.c b/commit-tree.c
> --- a/commit-tree.c
> +++ b/commit-tree.c
> @@ -184,8 +126,8 @@ int main(int argc, char **argv)
>  		add_buffer(&buffer, &size, "parent %s\n",
> sha1_to_hex(parent_sha1[i]));
>  
>  	/* Person/date information */
> -	add_buffer(&buffer, &size, "author %s <%s> %s\n", gecos, email, date);
> - add_buffer(&buffer, &size, "committer %s <%s> %s\n\n", commitgecos,
> commitemail, realdate);
> +	add_buffer(&buffer, &size, "author %s <%s> %s\n", author);
> +	add_buffer(&buffer, &size, "committer %s <%s> %s\n\n", committer);

>  
>  	/* And add the comment */
>  	while (fgets(comment, sizeof(comment), stdin) != NULL)
> diff --git a/id.c b/id.c
> new file mode 100644
> --- /dev/null
> +++ b/id.c
> @@ -0,0 +1,36 @@
> +#include "cache.h"
> +#include <stdio.h>
> +#include <errno.h>
> +#include <string.h>
> +
> +static char *id_usage = "git-id [--author | --committer]";
> +
> +int main(int argc, char **argv)
> +{
> +	char buf[1000];
> +	int (*ident)(char *buf, size_t bufsize);
> +	int i;
> +
> +	ident = git_committer_ident;