diff options
Diffstat (limited to 'builtin-log.c')
| -rw-r--r-- | builtin-log.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/builtin-log.c b/builtin-log.c index 69f2911cb4..d5bbc1cc06 100644 --- a/builtin-log.c +++ b/builtin-log.c @@ -9,6 +9,10 @@ #include "diff.h" #include "revision.h" #include "log-tree.h" +#include "builtin.h" + +/* this is in builtin-diff.c */ +void add_head(struct rev_info *revs); static int cmd_log_wc(int argc, const char **argv, char **envp, struct rev_info *rev) @@ -67,3 +71,160 @@ int cmd_log(int argc, const char **argv, char **envp) rev.diffopt.recursive = 1; return cmd_log_wc(argc, argv, envp, &rev); } + +static int istitlechar(char c) +{ + return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || + (c >= '0' && c <= '9') || c == '.' || c == '_'; +} + +static FILE *realstdout = NULL; +static char *output_directory = NULL; + +static void reopen_stdout(struct commit *commit, int nr, int keep_subject) +{ + char filename[1024]; + char *sol; + int len = 0; + + if (output_directory) { + strncpy(filename, output_directory, 1010); + len = strlen(filename); + if (filename[len - 1] != '/') + filename[len++] = '/'; + } + + sprintf(filename + len, "%04d", nr); + len = strlen(filename); + + sol = strstr(commit->buffer, "\n\n"); + if (sol) { + int j, space = 1; + + sol += 2; + /* strip [PATCH] or [PATCH blabla] */ + if (!keep_subject && !strncmp(sol, "[PATCH", 6)) { + char *eos = strchr(sol + 6, ']'); + if (eos) { + while (isspace(*eos)) + eos++; + sol = eos; + } + } + + for (j = 0; len < 1024 - 6 && sol[j] && sol[j] != '\n'; j++) { + if (istitlechar(sol[j])) { + if (space) { + filename[len++] = '-'; + space = 0; + } + filename[len++] = sol[j]; + if (sol[j] == '.') + while (sol[j + 1] == '.') + j++; + } else + space = 1; + } + while (filename[len - 1] == '.' || filename[len - 1] == '-') + len--; + } + strcpy(filename + len, ".txt"); + fprintf(realstdout, "%s\n", filename); + freopen(filename, "w", stdout); +} + +int cmd_format_patch(int argc, const char **argv, char **envp) +{ + struct commit *commit; + struct commit **list = NULL; + struct rev_info rev; + int nr = 0, total, i, j; + int use_stdout = 0; + int numbered = 0; + int keep_subject = 0; + + init_revisions(&rev); + rev.commit_format = CMIT_FMT_EMAIL; + rev.verbose_header = 1; + rev.diff = 1; + rev.diffopt.with_raw = 0; + rev.diffopt.with_stat = 1; + rev.combine_merges = 0; + rev.ignore_merges = 1; + rev.diffopt.output_format = DIFF_FORMAT_PATCH; + + /* + * Parse the arguments before setup_revisions(), or something + * like "git fmt-patch -o a123 HEAD^.." may fail; a123 is + * possibly a valid SHA1. + */ + for (i = 1, j = 1; i < argc; i++) { + if (!strcmp(argv[i], "--stdout")) + use_stdout = 1; + else if (!strcmp(argv[i], "-n") || + !strcmp(argv[i], "--numbered")) + numbered = 1; + else if (!strcmp(argv[i], "-k") || + !strcmp(argv[i], "--keep-subject")) { + keep_subject = 1; + rev.total = -1; + } else if (!strcmp(argv[i], "-o")) { + if (argc < 3) + die ("Which directory?"); + if (mkdir(argv[i + 1], 0777) < 0 && errno != EEXIST) + die("Could not create directory %s", + argv[i + 1]); + output_directory = strdup(argv[i + 1]); + i++; + } else + argv[j++] = argv[i]; + } + argc = j; + + if (numbered && keep_subject < 0) + die ("-n and -k are mutually exclusive."); + + argc = setup_revisions(argc, argv, &rev, "HEAD"); + if (argc > 1) + die ("unrecognized argument: %s", argv[1]); + + if (rev.pending_objects && rev.pending_objects->next == NULL) { + rev.pending_objects->item->flags |= UNINTERESTING; + add_head(&rev); + } + + if (!use_stdout) + realstdout = fdopen(dup(1), "w"); + + prepare_revision_walk(&rev); + while ((commit = get_revision(&rev)) != NULL) { + /* ignore merges */ + if (commit->parents && commit->parents->next) + continue; + nr++; + list = realloc(list, nr * sizeof(list[0])); + list[nr - 1] = commit; + } + total = nr; + if (numbered) + rev.total = total; + while (0 <= --nr) { + int shown; + commit = list[nr]; + rev.nr = total - nr; + if (!use_stdout) + reopen_stdout(commit, rev.nr, keep_subject); + shown = log_tree_commit(&rev, commit); + free(commit->buffer); + commit->buffer = NULL; + if (shown) + printf("-- \n%s\n\n", git_version_string); + if (!use_stdout) + fclose(stdout); + } + if (output_directory) + free(output_directory); + free(list); + return 0; +} + |