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authorJunio C Hamano <gitster@pobox.com>2010-06-13 18:21:00 (GMT)
committerJunio C Hamano <gitster@pobox.com>2010-06-13 18:21:00 (GMT)
commitce987457ca3db0c78d5e720f753adf210fd3dd65 (patch)
tree046f8a309909cda113775f81e0d4bb08f2b1f658 /pretty.c
parenta9f80f3dd4dc68ec6e9898805ccac2bb44c563ab (diff)
parent95a2618f60a61fae8097695255419f257f74dff9 (diff)
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Merge branch 'wp/pretty-enhancement'
* wp/pretty-enhancement: pretty: initialize new cmt_fmt_map to 0 pretty: add aliases for pretty formats pretty: add infrastructure for commit format aliases pretty: make it easier to add new formats
Diffstat (limited to 'pretty.c')
-rw-r--r--pretty.c154
1 files changed, 131 insertions, 23 deletions
diff --git a/pretty.c b/pretty.c
index 74cda1b..8b18efd 100644
--- a/pretty.c
+++ b/pretty.c
@@ -11,6 +11,17 @@
#include "reflog-walk.h"
static char *user_format;
+static struct cmt_fmt_map {
+ const char *name;
+ enum cmit_fmt format;
+ int is_tformat;
+ int is_alias;
+ const char *user_format;
+} *commit_formats;
+static size_t builtin_formats_len;
+static size_t commit_formats_len;
+static size_t commit_formats_alloc;
+static struct cmt_fmt_map *find_commit_format(const char *sought);
static void save_user_format(struct rev_info *rev, const char *cp, int is_tformat)
{
@@ -21,22 +32,118 @@ static void save_user_format(struct rev_info *rev, const char *cp, int is_tforma
rev->commit_format = CMIT_FMT_USERFORMAT;
}
-void get_commit_format(const char *arg, struct rev_info *rev)
+static int git_pretty_formats_config(const char *var, const char *value, void *cb)
{
+ struct cmt_fmt_map *commit_format = NULL;
+ const char *name;
+ const char *fmt;
int i;
- static struct cmt_fmt_map {
- const char *n;
- size_t cmp_len;
- enum cmit_fmt v;
- } cmt_fmts[] = {
- { "raw", 1, CMIT_FMT_RAW },
- { "medium", 1, CMIT_FMT_MEDIUM },
- { "short", 1, CMIT_FMT_SHORT },
- { "email", 1, CMIT_FMT_EMAIL },
- { "full", 5, CMIT_FMT_FULL },
- { "fuller", 5, CMIT_FMT_FULLER },
- { "oneline", 1, CMIT_FMT_ONELINE },
+
+ if (prefixcmp(var, "pretty."))
+ return 0;
+
+ name = var + strlen("pretty.");
+ for (i = 0; i < builtin_formats_len; i++) {
+ if (!strcmp(commit_formats[i].name, name))
+ return 0;
+ }
+
+ for (i = builtin_formats_len; i < commit_formats_len; i++) {
+ if (!strcmp(commit_formats[i].name, name)) {
+ commit_format = &commit_formats[i];
+ break;
+ }
+ }
+
+ if (!commit_format) {
+ ALLOC_GROW(commit_formats, commit_formats_len+1,
+ commit_formats_alloc);
+ commit_format = &commit_formats[commit_formats_len];
+ memset(commit_format, 0, sizeof(*commit_format));
+ commit_formats_len++;
+ }
+
+ commit_format->name = xstrdup(name);
+ commit_format->format = CMIT_FMT_USERFORMAT;
+ git_config_string(&fmt, var, value);
+ if (!prefixcmp(fmt, "format:") || !prefixcmp(fmt, "tformat:")) {
+ commit_format->is_tformat = fmt[0] == 't';
+ fmt = strchr(fmt, ':') + 1;
+ } else if (strchr(fmt, '%'))
+ commit_format->is_tformat = 1;
+ else
+ commit_format->is_alias = 1;
+ commit_format->user_format = fmt;
+
+ return 0;
+}
+
+static void setup_commit_formats(void)
+{
+ struct cmt_fmt_map builtin_formats[] = {
+ { "raw", CMIT_FMT_RAW, 0 },
+ { "medium", CMIT_FMT_MEDIUM, 0 },
+ { "short", CMIT_FMT_SHORT, 0 },
+ { "email", CMIT_FMT_EMAIL, 0 },
+ { "fuller", CMIT_FMT_FULLER, 0 },
+ { "full", CMIT_FMT_FULL, 0 },
+ { "oneline", CMIT_FMT_ONELINE, 1 }
};
+ commit_formats_len = ARRAY_SIZE(builtin_formats);
+ builtin_formats_len = commit_formats_len;
+ ALLOC_GROW(commit_formats, commit_formats_len, commit_formats_alloc);
+ memcpy(commit_formats, builtin_formats,
+ sizeof(*builtin_formats)*ARRAY_SIZE(builtin_formats));
+
+ git_config(git_pretty_formats_config, NULL);
+}
+
+static struct cmt_fmt_map *find_commit_format_recursive(const char *sought,
+ const char *original,
+ int num_redirections)
+{
+ struct cmt_fmt_map *found = NULL;
+ size_t found_match_len = 0;
+ int i;
+
+ if (num_redirections >= commit_formats_len)
+ die("invalid --pretty format: "
+ "'%s' references an alias which points to itself",
+ original);
+
+ for (i = 0; i < commit_formats_len; i++) {
+ size_t match_len;
+
+ if (prefixcmp(commit_formats[i].name, sought))
+ continue;
+
+ match_len = strlen(commit_formats[i].name);
+ if (found == NULL || found_match_len > match_len) {
+ found = &commit_formats[i];
+ found_match_len = match_len;
+ }
+ }
+
+ if (found && found->is_alias) {
+ found = find_commit_format_recursive(found->user_format,
+ original,
+ num_redirections+1);
+ }
+
+ return found;
+}
+
+static struct cmt_fmt_map *find_commit_format(const char *sought)
+{
+ if (!commit_formats)
+ setup_commit_formats();
+
+ return find_commit_format_recursive(sought, sought, 0);
+}
+
+void get_commit_format(const char *arg, struct rev_info *rev)
+{
+ struct cmt_fmt_map *commit_format;
rev->use_terminator = 0;
if (!arg || !*arg) {
@@ -47,21 +154,22 @@ void get_commit_format(const char *arg, struct rev_info *rev)
save_user_format(rev, strchr(arg, ':') + 1, arg[0] == 't');
return;
}
- for (i = 0; i < ARRAY_SIZE(cmt_fmts); i++) {
- if (!strncmp(arg, cmt_fmts[i].n, cmt_fmts[i].cmp_len) &&
- !strncmp(arg, cmt_fmts[i].n, strlen(arg))) {
- if (cmt_fmts[i].v == CMIT_FMT_ONELINE)
- rev->use_terminator = 1;
- rev->commit_format = cmt_fmts[i].v;
- return;
- }
- }
+
if (strchr(arg, '%')) {
save_user_format(rev, arg, 1);
return;
}
- die("invalid --pretty format: %s", arg);
+ commit_format = find_commit_format(arg);
+ if (!commit_format)
+ die("invalid --pretty format: %s", arg);
+
+ rev->commit_format = commit_format->format;
+ rev->use_terminator = commit_format->is_tformat;
+ if (commit_format->format == CMIT_FMT_USERFORMAT) {
+ save_user_format(rev, commit_format->user_format,
+ commit_format->is_tformat);
+ }
}
/*