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author | brian m. carlson <sandals@crustytoothpaste.net> | 2018-05-02 00:25:52 +0000 |
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committer | Junio C Hamano <gitster@pobox.com> | 2018-05-02 13:59:51 +0900 |
commit | de1d81d5af635aaa8269d54ee06d99c2b0b75c62 (patch) | |
tree | 730edc2094943ef8fccdc79a3ee4255de0ce389b /diff.c | |
parent | upload-pack: replace use of several hard-coded constants (diff) | |
download | tgif-de1d81d5af635aaa8269d54ee06d99c2b0b75c62.tar.xz |
diff: specify abbreviation size in terms of the_hash_algo
Instead of using hard-coded 40 constants, refer to the_hash_algo for the
current hash size.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'diff.c')
-rw-r--r-- | diff.c | 18 |
1 files changed, 12 insertions, 6 deletions
@@ -3897,13 +3897,14 @@ static void fill_metainfo(struct strbuf *msg, *must_show_header = 0; } if (one && two && oidcmp(&one->oid, &two->oid)) { - int abbrev = o->flags.full_index ? 40 : DEFAULT_ABBREV; + const unsigned hexsz = the_hash_algo->hexsz; + int abbrev = o->flags.full_index ? hexsz : DEFAULT_ABBREV; if (o->flags.binary) { mmfile_t mf; if ((!fill_mmfile(&mf, one) && diff_filespec_is_binary(one)) || (!fill_mmfile(&mf, two) && diff_filespec_is_binary(two))) - abbrev = 40; + abbrev = hexsz; } strbuf_addf(msg, "%s%sindex %s..%s", line_prefix, set, diff_abbrev_oid(&one->oid, abbrev), @@ -4138,6 +4139,11 @@ void diff_setup_done(struct diff_options *options) DIFF_FORMAT_NAME_STATUS | DIFF_FORMAT_CHECKDIFF | DIFF_FORMAT_NO_OUTPUT; + /* + * This must be signed because we're comparing against a potentially + * negative value. + */ + const int hexsz = the_hash_algo->hexsz; if (options->set_default) options->set_default(options); @@ -4218,8 +4224,8 @@ void diff_setup_done(struct diff_options *options) */ read_cache(); } - if (40 < options->abbrev) - options->abbrev = 40; /* full */ + if (hexsz < options->abbrev) + options->abbrev = hexsz; /* full */ /* * It does not make sense to show the first hit we happened @@ -4797,8 +4803,8 @@ int diff_opt_parse(struct diff_options *options, options->abbrev = strtoul(arg, NULL, 10); if (options->abbrev < MINIMUM_ABBREV) options->abbrev = MINIMUM_ABBREV; - else if (40 < options->abbrev) - options->abbrev = 40; + else if (the_hash_algo->hexsz < options->abbrev) + options->abbrev = the_hash_algo->hexsz; } else if ((argcount = parse_long_opt("src-prefix", av, &optarg))) { options->a_prefix = optarg; |