diff options
| -rw-r--r-- | Documentation/git-mailsplit.txt | 9 | ||||
| -rwxr-xr-x | git-am.sh | 5 | ||||
| -rw-r--r-- | mailsplit.c | 103 |
3 files changed, 75 insertions, 42 deletions
diff --git a/Documentation/git-mailsplit.txt b/Documentation/git-mailsplit.txt index 03a947766..e0703e9df 100644 --- a/Documentation/git-mailsplit.txt +++ b/Documentation/git-mailsplit.txt @@ -7,7 +7,7 @@ git-mailsplit - Totally braindamaged mbox splitter program. SYNOPSIS -------- -'git-mailsplit' [-d<prec>] [<mbox>] <directory> +'git-mailsplit' [-b] [-f<nn>] [-d<prec>] -o<directory> [--] [<mbox>...] DESCRIPTION ----------- @@ -23,11 +23,18 @@ OPTIONS <directory>:: Directory in which to place the individual messages. +-b:: + If any file doesn't begin with a From line, assume it is a + single mail message instead of signalling error. + -d<prec>:: Instead of the default 4 digits with leading zeros, different precision can be specified for the generated filenames. +-f<nn>:: + Skip the first <nn> numbers, for example if -f3 is specified, + start the numbering with 0004. Author ------ @@ -164,10 +164,7 @@ else # Start afresh. mkdir -p "$dotest" || exit - # cat does the right thing for us, including '-' to mean - # standard input. - cat "$@" | - git-mailsplit -d$prec "$dotest/" >"$dotest/last" || { + git-mailsplit -d"$prec" -o"$dotest" -b -- "$@" > "$dotest/last" || { rm -fr "$dotest" exit 1 } diff --git a/mailsplit.c b/mailsplit.c index 189f4ed72..eb58b1ebe 100644 --- a/mailsplit.c +++ b/mailsplit.c @@ -15,7 +15,7 @@ #include "cache.h" static const char git_mailsplit_usage[] = -"git-mailsplit [-d<prec>] [<mbox>] <directory>"; +"git-mailsplit [-d<prec>] [-f<n>] [-b] -o<directory> <mbox>..."; static int is_from_line(const char *line, int len) { @@ -56,14 +56,15 @@ static char buf[4096]; * the Unix "From " line. Write it into the specified * file. */ -static int split_one(FILE *mbox, const char *name) +static int split_one(FILE *mbox, const char *name, int allow_bare) { FILE *output = NULL; int len = strlen(buf); int fd; int status = 0; + int is_bare = !is_from_line(buf, len); - if (!is_from_line(buf, len)) + if (is_bare && !allow_bare) goto corrupt; fd = open(name, O_WRONLY | O_CREAT | O_EXCL, 0666); @@ -88,7 +89,7 @@ static int split_one(FILE *mbox, const char *name) die("cannot read mbox"); } len = strlen(buf); - if (!is_partial && is_from_line(buf, len)) + if (!is_partial && !is_bare && is_from_line(buf, len)) break; /* done with one message */ } fclose(output); @@ -104,54 +105,82 @@ static int split_one(FILE *mbox, const char *name) int main(int argc, const char **argv) { - int i, nr, nr_prec = 4; - FILE *mbox = NULL; + int nr = 0, nr_prec = 4; + int allow_bare = 0; + const char *dir = NULL; + const char **argp; + static const char *stdin_only[] = { "-", NULL }; + char *name; - for (i = 1; i < argc; i++) { - const char *arg = argv[i]; + for (argp = argv+1; *argp; argp++) { + const char *arg = *argp; if (arg[0] != '-') break; /* do flags here */ - if (!strncmp(arg, "-d", 2)) { - nr_prec = strtol(arg + 2, NULL, 10); + if ( arg[1] == 'd' ) { + nr_prec = strtol(arg+2, NULL, 10); if (nr_prec < 3 || 10 <= nr_prec) usage(git_mailsplit_usage); continue; + } else if ( arg[1] == 'f' ) { + nr = strtol(arg+2, NULL, 10); + } else if ( arg[1] == 'b' && !arg[2] ) { + allow_bare = 1; + } else if ( arg[1] == 'o' && arg[2] ) { + dir = arg+2; + } else if ( arg[1] == '-' && !arg[2] ) { + argp++; /* -- marks end of options */ + break; + } else { + die("unknown option: %s", arg); } } - /* Either one remaining arg (dir), or two (mbox and dir) */ - switch (argc - i) { - case 1: - mbox = stdin; - break; - case 2: - if ((mbox = fopen(argv[i], "r")) == NULL) - die("cannot open mbox %s for reading", argv[i]); - break; - default: - usage(git_mailsplit_usage); + if ( !dir ) { + /* Backwards compatibility: if no -o specified, accept + <mbox> <dir> or just <dir> */ + switch (argc - (argp-argv)) { + case 1: + dir = argp[0]; + argp = stdin_only; + break; + case 2: + stdin_only[0] = argp[0]; + dir = argp[1]; + argp = stdin_only; + break; + default: + usage(git_mailsplit_usage); + } + } else { + /* New usage: if no more argument, parse stdin */ + if ( !*argp ) + argp = stdin_only; } - if (chdir(argv[argc - 1]) < 0) - usage(git_mailsplit_usage); - nr = 0; - if (fgets(buf, sizeof(buf), mbox) == NULL) - die("cannot read mbox"); + name = xmalloc(strlen(dir) + 2 + 3 * sizeof(nr)); - for (;;) { - char name[10]; + while (*argp) { + const char *file = *argp++; + FILE *f = !strcmp(file, "-") ? stdin : fopen(file, "rt"); + int file_done = 0; - sprintf(name, "%0*d", nr_prec, ++nr); - switch (split_one(mbox, name)) { - case 0: - break; - case 1: - printf("%d\n", nr); - return 0; - default: - exit(1); + if ( !f ) + die ("cannot open mbox %s", file); + + if (fgets(buf, sizeof(buf), f) == NULL) + die("cannot read mbox %s", file); + + while (!file_done) { + sprintf(name, "%s/%0*d", dir, nr_prec, ++nr); + file_done = split_one(f, name, allow_bare); } + + if (f != stdin) + fclose(f); } + + printf("%d\n", nr); + return 0; } |