diff options
| -rw-r--r-- | Documentation/config/format.txt | 5 | ||||
| -rw-r--r-- | Documentation/git-format-patch.txt | 8 | ||||
| -rw-r--r-- | builtin/log.c | 20 | ||||
| -rw-r--r-- | log-tree.c | 2 | ||||
| -rw-r--r-- | log-tree.h | 1 | ||||
| -rw-r--r-- | revision.h | 1 | ||||
| -rwxr-xr-x | t/t4014-format-patch.sh | 54 |
7 files changed, 83 insertions, 8 deletions
diff --git a/Documentation/config/format.txt b/Documentation/config/format.txt index c2efd8758a..7f6d11b5d5 100644 --- a/Documentation/config/format.txt +++ b/Documentation/config/format.txt @@ -94,6 +94,11 @@ format.outputDirectory:: Set a custom directory to store the resulting files instead of the current working directory. All directory components will be created. +format.filenameMaxLength:: + The maximum length of the output filenames generated by the + `format-patch` command; defaults to 64. Can be overridden + by the `--filename-max-length=<n>` command line option. + format.useAutoBase:: A boolean value which lets you enable the `--base=auto` option of format-patch by default. Can also be set to "whenAble" to allow diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt index 0f81d0437b..3347702b71 100644 --- a/Documentation/git-format-patch.txt +++ b/Documentation/git-format-patch.txt @@ -28,6 +28,7 @@ SYNOPSIS [--no-notes | --notes[=<ref>]] [--interdiff=<previous>] [--range-diff=<previous> [--creation-factor=<percent>]] + [--filename-max-length=<n>] [--progress] [<common diff options>] [ <since> | <revision range> ] @@ -200,6 +201,13 @@ populated with placeholder text. allows for useful naming of a patch series, and can be combined with the `--numbered` option. +--filename-max-length=<n>:: + Instead of the standard 64 bytes, chomp the generated output + filenames at around '<n>' bytes (too short a value will be + silently raised to a reasonable length). Defaults to the + value of the `format.filenameMaxLength` configuration + variable, or 64 if unconfigured. + --rfc:: Alias for `--subject-prefix="RFC PATCH"`. RFC means "Request For Comments"; use this when sending an experimental patch for diff --git a/builtin/log.c b/builtin/log.c index 0a7ed4bef9..5790779c75 100644 --- a/builtin/log.c +++ b/builtin/log.c @@ -37,6 +37,7 @@ #define MAIL_DEFAULT_WRAP 72 #define COVER_FROM_AUTO_MAX_SUBJECT_LEN 100 +#define FORMAT_PATCH_NAME_MAX_DEFAULT 64 /* Set a default date-time format for git log ("log.date" config variable) */ static const char *default_date_mode = NULL; @@ -50,6 +51,7 @@ static int decoration_style; static int decoration_given; static int use_mailmap_config = 1; static const char *fmt_patch_subject_prefix = "PATCH"; +static int fmt_patch_name_max = FORMAT_PATCH_NAME_MAX_DEFAULT; static const char *fmt_pretty; static const char * const builtin_log_usage[] = { @@ -150,6 +152,7 @@ static void cmd_log_init_defaults(struct rev_info *rev) rev->abbrev_commit = default_abbrev_commit; rev->show_root_diff = default_show_root; rev->subject_prefix = fmt_patch_subject_prefix; + rev->patch_name_max = fmt_patch_name_max; rev->show_signature = default_show_signature; rev->encode_email_headers = default_encode_email_headers; rev->diffopt.flags.allow_textconv = 1; @@ -454,6 +457,10 @@ static int git_log_config(const char *var, const char *value, void *cb) return git_config_string(&fmt_pretty, var, value); if (!strcmp(var, "format.subjectprefix")) return git_config_string(&fmt_patch_subject_prefix, var, value); + if (!strcmp(var, "format.filenamemaxlength")) { + fmt_patch_name_max = git_config_int(var, value); + return 0; + } if (!strcmp(var, "format.encodeemailheaders")) { default_encode_email_headers = git_config_bool(var, value); return 0; @@ -955,15 +962,9 @@ static int open_next_file(struct commit *commit, const char *subject, struct rev_info *rev, int quiet) { struct strbuf filename = STRBUF_INIT; - int suffix_len = strlen(rev->patch_suffix) + 1; if (output_directory) { strbuf_addstr(&filename, output_directory); - if (filename.len >= - PATH_MAX - FORMAT_PATCH_NAME_MAX - suffix_len) { - strbuf_release(&filename); - return error(_("name of output directory is too long")); - } strbuf_complete(&filename, '/'); } @@ -1751,6 +1752,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) N_("start numbering patches at <n> instead of 1")), OPT_INTEGER('v', "reroll-count", &reroll_count, N_("mark the series as Nth re-roll")), + OPT_INTEGER(0, "filename-max-length", &fmt_patch_name_max, + N_("max length of output filename")), OPT_CALLBACK_F(0, "rfc", &rev, NULL, N_("Use [RFC PATCH] instead of [PATCH]"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, rfc_callback), @@ -1851,6 +1854,10 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN | PARSE_OPT_KEEP_DASHDASH); + /* Make sure "0000-$sub.patch" gives non-negative length for $sub */ + if (fmt_patch_name_max <= strlen("0000-") + strlen(fmt_patch_suffix)) + fmt_patch_name_max = strlen("0000-") + strlen(fmt_patch_suffix); + if (cover_from_description_arg) cover_from_description_mode = parse_cover_from_description(cover_from_description_arg); @@ -1935,6 +1942,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix) rev.diffopt.output_format |= DIFF_FORMAT_PATCH; rev.zero_commit = zero_commit; + rev.patch_name_max = fmt_patch_name_max; if (!rev.diffopt.flags.text && !no_binary_diff) rev.diffopt.flags.binary = 1; diff --git a/log-tree.c b/log-tree.c index 1927f917ce..fd0dde97ec 100644 --- a/log-tree.c +++ b/log-tree.c @@ -367,7 +367,7 @@ void fmt_output_subject(struct strbuf *filename, const char *suffix = info->patch_suffix; int nr = info->nr; int start_len = filename->len; - int max_len = start_len + FORMAT_PATCH_NAME_MAX - (strlen(suffix) + 1); + int max_len = start_len + info->patch_name_max - (strlen(suffix) + 1); if (0 < info->reroll_count) strbuf_addf(filename, "v%d-", info->reroll_count); diff --git a/log-tree.h b/log-tree.h index 8fa79289ec..1e8c91dbf2 100644 --- a/log-tree.h +++ b/log-tree.h @@ -33,7 +33,6 @@ void log_write_email_headers(struct rev_info *opt, struct commit *commit, int maybe_multipart); void load_ref_decorations(struct decoration_filter *filter, int flags); -#define FORMAT_PATCH_NAME_MAX 64 void fmt_output_commit(struct strbuf *, struct commit *, struct rev_info *); void fmt_output_subject(struct strbuf *, const char *subject, struct rev_info *); void fmt_output_email_subject(struct strbuf *, struct rev_info *); diff --git a/revision.h b/revision.h index f6bf860d19..086ff10280 100644 --- a/revision.h +++ b/revision.h @@ -238,6 +238,7 @@ struct rev_info { const char *extra_headers; const char *log_reencode; const char *subject_prefix; + int patch_name_max; int no_inline; int show_log_size; struct string_list *mailmap; diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh index 294e76c860..024c0a026d 100755 --- a/t/t4014-format-patch.sh +++ b/t/t4014-format-patch.sh @@ -313,6 +313,60 @@ test_expect_success 'multiple files' ' ls patches/0001-Side-changes-1.patch patches/0002-Side-changes-2.patch patches/0003-Side-changes-3-with-n-backslash-n-in-it.patch ' +test_expect_success 'filename length limit' ' + test_when_finished "rm -f 000*" && + rm -rf 000[1-9]-*.patch && + for len in 15 25 35 + do + git format-patch --filename-max-length=$len -3 side && + max=$( + for patch in 000[1-9]-*.patch + do + echo "$patch" | wc -c + done | + sort -nr | + head -n 1 + ) && + test $max -le $len || return 1 + done +' + +test_expect_success 'filename length limit from config' ' + test_when_finished "rm -f 000*" && + rm -rf 000[1-9]-*.patch && + for len in 15 25 35 + do + git -c format.filenameMaxLength=$len format-patch -3 side && + max=$( + for patch in 000[1-9]-*.patch + do + echo "$patch" | wc -c + done | + sort -nr | + head -n 1 + ) && + test $max -le $len || return 1 + done +' + +test_expect_success 'filename limit applies only to basename' ' + test_when_finished "rm -rf patches/" && + rm -rf patches/ && + for len in 15 25 35 + do + git format-patch -o patches --filename-max-length=$len -3 side && + max=$( + for patch in patches/000[1-9]-*.patch + do + echo "${patch#patches/}" | wc -c + done | + sort -nr | + head -n 1 + ) && + test $max -le $len || return 1 + done +' + test_expect_success 'reroll count' ' rm -fr patches && git format-patch -o patches --cover-letter --reroll-count 4 master..side >list && |