diff options
Diffstat (limited to 'builtin-shortlog.c')
| -rw-r--r-- | builtin-shortlog.c | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/builtin-shortlog.c b/builtin-shortlog.c new file mode 100644 index 0000000..48a2a0b --- /dev/null +++ b/builtin-shortlog.c @@ -0,0 +1,302 @@ +#include "builtin.h" +#include "cache.h" +#include "commit.h" +#include "diff.h" +#include "path-list.h" +#include "revision.h" +#include <string.h> + +static const char shortlog_usage[] = +"git-shortlog [-n] [-s] [<commit-id>... ]\n"; + +static int compare_by_number(const void *a1, const void *a2) +{ + const struct path_list_item *i1 = a1, *i2 = a2; + const struct path_list *l1 = i1->util, *l2 = i2->util; + + if (l1->nr < l2->nr) + return -1; + else if (l1->nr == l2->nr) + return 0; + else + return +1; +} + +static struct path_list_item mailmap_list[] = { + { "R.Marek@sh.cvut.cz", (void*)"Rudolf Marek" }, + { "Ralf.Wildenhues@gmx.de", (void*)"Ralf Wildenhues" }, + { "aherrman@de.ibm.com", (void*)"Andreas Herrmann" }, + { "akpm@osdl.org", (void*)"Andrew Morton" }, + { "andrew.vasquez@qlogic.com", (void*)"Andrew Vasquez" }, + { "aquynh@gmail.com", (void*)"Nguyen Anh Quynh" }, + { "axboe@suse.de", (void*)"Jens Axboe" }, + { "blaisorblade@yahoo.it", (void*)"Paolo 'Blaisorblade' Giarrusso" }, + { "bunk@stusta.de", (void*)"Adrian Bunk" }, + { "domen@coderock.org", (void*)"Domen Puncer" }, + { "dougg@torque.net", (void*)"Douglas Gilbert" }, + { "dwmw2@shinybook.infradead.org", (void*)"David Woodhouse" }, + { "ecashin@coraid.com", (void*)"Ed L Cashin" }, + { "felix@derklecks.de", (void*)"Felix Moeller" }, + { "fzago@systemfabricworks.com", (void*)"Frank Zago" }, + { "gregkh@suse.de", (void*)"Greg Kroah-Hartman" }, + { "hch@lst.de", (void*)"Christoph Hellwig" }, + { "htejun@gmail.com", (void*)"Tejun Heo" }, + { "jejb@mulgrave.(none)", (void*)"James Bottomley" }, + { "jejb@titanic.il.steeleye.com", (void*)"James Bottomley" }, + { "jgarzik@pretzel.yyz.us", (void*)"Jeff Garzik" }, + { "johnpol@2ka.mipt.ru", (void*)"Evgeniy Polyakov" }, + { "kay.sievers@vrfy.org", (void*)"Kay Sievers" }, + { "minyard@acm.org", (void*)"Corey Minyard" }, + { "mshah@teja.com", (void*)"Mitesh shah" }, + { "pj@ludd.ltu.se", (void*)"Peter A Jonsson" }, + { "rmps@joel.ist.utl.pt", (void*)"Rui Saraiva" }, + { "santtu.hyrkko@gmail.com", (void*)"Santtu Hyrkk,Av(B" }, + { "simon@thekelleys.org.uk", (void*)"Simon Kelley" }, + { "ssant@in.ibm.com", (void*)"Sachin P Sant" }, + { "terra@gnome.org", (void*)"Morten Welinder" }, + { "tony.luck@intel.com", (void*)"Tony Luck" }, + { "welinder@anemone.rentec.com", (void*)"Morten Welinder" }, + { "welinder@darter.rentec.com", (void*)"Morten Welinder" }, + { "welinder@troll.com", (void*)"Morten Welinder" } +}; + +static struct path_list mailmap = { + mailmap_list, + sizeof(mailmap_list) / sizeof(struct path_list_item), 0, 0 +}; + +static int map_email(char *email, char *name, int maxlen) +{ + char *p; + struct path_list_item *item; + + /* autocomplete common developers */ + p = strchr(email, '>'); + if (!p) + return 0; + + *p = '\0'; + item = path_list_lookup(email, &mailmap); + if (item != NULL) { + const char *realname = (const char *)item->util; + strncpy(name, realname, maxlen); + return 1; + } + return 0; +} + +static void insert_author_oneline(struct path_list *list, + const char *author, int authorlen, + const char *oneline, int onelinelen) +{ + const char *dot3 = "/pub/scm/linux/kernel/git/"; + char *buffer, *p; + struct path_list_item *item; + struct path_list *onelines; + + while (authorlen > 0 && isspace(author[authorlen - 1])) + authorlen--; + + buffer = xmalloc(authorlen + 1); + memcpy(buffer, author, authorlen); + buffer[authorlen] = '\0'; + + item = path_list_insert(buffer, list); + if (item->util == NULL) + item->util = xcalloc(1, sizeof(struct path_list)); + else + free(buffer); + + if (!strncmp(oneline, "[PATCH", 6)) { + char *eob = strchr(buffer, ']'); + + while (isspace(eob[1]) && eob[1] != '\n') + eob++; + if (eob - oneline < onelinelen) { + onelinelen -= eob - oneline; + oneline = eob; + } + } + + while (onelinelen > 0 && isspace(oneline[0])) { + oneline++; + onelinelen--; + } + + while (onelinelen > 0 && isspace(oneline[onelinelen - 1])) + onelinelen--; + + buffer = xmalloc(onelinelen + 1); + memcpy(buffer, oneline, onelinelen); + buffer[onelinelen] = '\0'; + + while ((p = strstr(buffer, dot3)) != NULL) { + memcpy(p, "...", 3); + strcpy(p + 2, p + sizeof(dot3) - 1); + } + + + onelines = item->util; + if (onelines->nr >= onelines->alloc) { + onelines->alloc = alloc_nr(onelines->nr); + onelines->items = xrealloc(onelines->items, + onelines->alloc + * sizeof(struct path_list_item)); + } + + onelines->items[onelines->nr].util = NULL; + onelines->items[onelines->nr++].path = buffer; +} + +static void read_from_stdin(struct path_list *list) +{ + char buffer[1024]; + + while (fgets(buffer, sizeof(buffer), stdin) != NULL) { + char *bob; + if ((buffer[0] == 'A' || buffer[0] == 'a') && + !strncmp(buffer + 1, "uthor: ", 7) && + (bob = strchr(buffer + 7, '<')) != NULL) { + char buffer2[1024], offset = 0; + + if (map_email(bob + 1, buffer, sizeof(buffer))) + bob = buffer + strlen(buffer); + else { + offset = 8; + while (isspace(bob[-1])) + bob--; + } + + while (fgets(buffer2, sizeof(buffer2), stdin) && + buffer2[0] != '\n') + ; /* chomp input */ + if (fgets(buffer2, sizeof(buffer2), stdin)) + insert_author_oneline(list, + buffer + offset, + bob - buffer - offset, + buffer2, strlen(buffer2)); + } + } +} + +static void get_from_rev(struct rev_info *rev, struct path_list *list) +{ + char scratch[1024]; + struct commit *commit; + + prepare_revision_walk(rev); + while ((commit = get_revision(rev)) != NULL) { + char *author = NULL, *oneline, *buffer; + int authorlen = authorlen, onelinelen; + + /* get author and oneline */ + for (buffer = commit->buffer; buffer && *buffer != '\0' && + *buffer != '\n'; ) { + char *eol = strchr(buffer, '\n'); + + if (eol == NULL) + eol = buffer + strlen(buffer); + else + eol++; + + if (!strncmp(buffer, "author ", 7)) { + char *bracket = strchr(buffer, '<'); + + if (bracket == NULL || bracket > eol) + die("Invalid commit buffer: %s", + sha1_to_hex(commit->object.sha1)); + + if (map_email(bracket + 1, scratch, + sizeof(scratch))) { + author = scratch; + authorlen = strlen(scratch); + } else { + while (bracket[-1] == ' ') + bracket--; + + author = buffer + 7; + authorlen = bracket - buffer - 7; + } + } + buffer = eol; + } + + if (author == NULL) + die ("Missing author: %s", + sha1_to_hex(commit->object.sha1)); + + if (buffer == NULL || *buffer == '\0') { + oneline = "<none>"; + onelinelen = sizeof(oneline) + 1; + } else { + char *eol; + + oneline = buffer + 1; + eol = strchr(oneline, '\n'); + if (eol == NULL) + onelinelen = strlen(oneline); + else + onelinelen = eol - oneline; + } + + insert_author_oneline(list, + author, authorlen, oneline, onelinelen); + } + +} + +int cmd_shortlog(int argc, const char **argv, const char *prefix) +{ + struct rev_info rev; + struct path_list list = { NULL, 0, 0, 1 }; + int i, j, sort_by_number = 0, summary = 0; + + init_revisions(&rev, prefix); + argc = setup_revisions(argc, argv, &rev, NULL); + while (argc > 1) { + if (!strcmp(argv[1], "-n") || !strcmp(argv[1], "--numbered")) + sort_by_number = 1; + else if (!strcmp(argv[1], "-s") || + !strcmp(argv[1], "--summary")) + summary = 1; + else if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")) + usage(shortlog_usage); + else + die ("unrecognized argument: %s", argv[1]); + argv++; + argc--; + } + + if (rev.pending.nr == 1) + die ("Need a range!"); + else if (rev.pending.nr == 0) + read_from_stdin(&list); + else + get_from_rev(&rev, &list); + + if (sort_by_number) + qsort(list.items, sizeof(struct path_list_item), list.nr, + compare_by_number); + + for (i = 0; i < list.nr; i++) { + struct path_list *onelines = list.items[i].util; + + printf("%s (%d):\n", list.items[i].path, onelines->nr); + if (!summary) { + for (j = onelines->nr - 1; j >= 0; j--) + printf(" %s\n", onelines->items[j].path); + printf("\n"); + } + + onelines->strdup_paths = 1; + path_list_clear(onelines, 1); + free(onelines); + list.items[i].util = NULL; + } + + list.strdup_paths = 1; + path_list_clear(&list, 1); + + return 0; +} + |