diff options
Diffstat (limited to 'revision.c')
-rw-r--r-- | revision.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/revision.c b/revision.c index 6a2539b623..93f25130a0 100644 --- a/revision.c +++ b/revision.c @@ -6,6 +6,8 @@ #include "diff.h" #include "refs.h" #include "revision.h" +#include <regex.h> +#include "grep.h" static char *path_name(struct name_path *path, const char *name) { @@ -672,6 +674,42 @@ int handle_revision_arg(const char *arg, struct rev_info *revs, return 0; } +static void add_grep(struct rev_info *revs, const char *ptn, enum grep_pat_token what) +{ + if (!revs->grep_filter) { + struct grep_opt *opt = xcalloc(1, sizeof(*opt)); + opt->status_only = 1; + opt->pattern_tail = &(opt->pattern_list); + opt->regflags = REG_NEWLINE; + revs->grep_filter = opt; + } + append_grep_pattern(revs->grep_filter, ptn, + "command line", 0, what); +} + +static void add_header_grep(struct rev_info *revs, const char *field, const char *pattern) +{ + char *pat; + const char *prefix; + int patlen, fldlen; + + fldlen = strlen(field); + patlen = strlen(pattern); + pat = xmalloc(patlen + fldlen + 10); + prefix = ".*"; + if (*pattern == '^') { + prefix = ""; + pattern++; + } + sprintf(pat, "^%s %s%s", field, prefix, pattern); + add_grep(revs, pat, GREP_PATTERN_HEAD); +} + +static void add_message_grep(struct rev_info *revs, const char *pattern) +{ + add_grep(revs, pattern, GREP_PATTERN_BODY); +} + static void add_ignore_packed(struct rev_info *revs, const char *name) { int num = ++revs->num_ignore_packed; @@ -913,6 +951,23 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch revs->relative_date = 1; continue; } + + /* + * Grepping the commit log + */ + if (!strncmp(arg, "--author=", 9)) { + add_header_grep(revs, "author", arg+9); + continue; + } + if (!strncmp(arg, "--committer=", 12)) { + add_header_grep(revs, "committer", arg+12); + continue; + } + if (!strncmp(arg, "--grep=", 7)) { + add_message_grep(revs, arg+7); + continue; + } + opts = diff_opt_parse(&revs->diffopt, argv+i, argc-i); if (opts > 0) { revs->diff = 1; @@ -973,6 +1028,9 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch if (diff_setup_done(&revs->diffopt) < 0) die("diff_setup_done failed"); + if (revs->grep_filter) + compile_grep_patterns(revs->grep_filter); + return left; } @@ -1045,6 +1103,15 @@ static void mark_boundary_to_show(struct commit *commit) } } +static int commit_match(struct commit *commit, struct rev_info *opt) +{ + if (!opt->grep_filter) + return 1; + return grep_buffer(opt->grep_filter, + NULL, /* we say nothing, not even filename */ + commit->buffer, strlen(commit->buffer)); +} + struct commit *get_revision(struct rev_info *revs) { struct commit_list *list = revs->commits; @@ -1105,6 +1172,8 @@ struct commit *get_revision(struct rev_info *revs) if (revs->no_merges && commit->parents && commit->parents->next) continue; + if (!commit_match(commit, revs)) + continue; if (revs->prune_fn && revs->dense) { /* Commit without changes? */ if (!(commit->object.flags & TREECHANGE)) { |