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ls-tree: add --abbrev[=<n>] option

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Signed-off-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Eric Wong 2006-03-07 05:52:02 -08:00 committed by Junio C Hamano
parent 53dc463627
commit cb85bfe5df
2 changed files with 25 additions and 3 deletions
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9
Documentation/git-ls-tree.txt
View File

@ -8,7 +8,9 @@ git-ls-tree - Lists the contents of a tree object
SYNOPSIS
--------
'git-ls-tree' [-d] [-r] [-t] [-z] [--name-only] [--name-status] <tree-ish> [paths...]
'git-ls-tree' [-d] [-r] [-t] [-z]
[--name-only] [--name-status] [--full-name] [--abbrev=[<n>]]
<tree-ish> [paths...]
DESCRIPTION
-----------
@ -40,6 +42,11 @@ OPTIONS
--name-status::
List only filenames (instead of the "long" output), one per line.
--abbrev[=<n>]::
Instead of showing the full 40-byte hexadecimal object
lines, show only handful hexdigits prefix.
Non default number of digits can be specified with --abbrev=<n>.
paths::
When paths are given, show them (note that this isn't really raw
pathnames, but rather a list of patterns to match). Otherwise

19
ls-tree.c
View File

@ -13,13 +13,14 @@ static int line_termination = '\n';
#define LS_TREE_ONLY 2
#define LS_SHOW_TREES 4
#define LS_NAME_ONLY 8
static int abbrev = 0;
static int ls_options = 0;
const char **pathspec;
static int chomp_prefix = 0;
static const char *prefix;
static const char ls_tree_usage[] =
"git-ls-tree [-d] [-r] [-t] [-z] [--name-only] [--name-status] [--full-name] <tree-ish> [path...]";
"git-ls-tree [-d] [-r] [-t] [-z] [--name-only] [--name-status] [--full-name] [--abbrev[=<n>]] <tree-ish> [path...]";
static int show_recursive(const char *base, int baselen, const char *pathname)
{
@ -73,7 +74,9 @@ static int show_tree(unsigned char *sha1, const char *base, int baselen,
return 0;
if (!(ls_options & LS_NAME_ONLY))
printf("%06o %s %s\t", mode, type, sha1_to_hex(sha1));
printf("%06o %s %s\t", mode, type,
abbrev ? find_unique_abbrev(sha1,abbrev)
: sha1_to_hex(sha1));
write_name_quoted(base + chomp_prefix, baselen - chomp_prefix,
pathname,
line_termination, stdout);
@ -113,6 +116,18 @@ int main(int argc, const char **argv)
chomp_prefix = 0;
break;
}
if (!strncmp(argv[1]+2, "abbrev=",7)) {
abbrev = strtoul(argv[1]+9, NULL, 10);
if (abbrev && abbrev < MINIMUM_ABBREV)
abbrev = MINIMUM_ABBREV;
else if (abbrev > 40)
abbrev = 40;
break;
}
if (!strcmp(argv[1]+2, "abbrev")) {
abbrev = DEFAULT_ABBREV;
break;
}
/* otherwise fallthru */
default:
usage(ls_tree_usage);