Putting the options in their own functions increases readability of
the option parsing block and makes it easier to reuse the option
parsing code later on.
---
This is nearly identical to the RFC, but with parse_one_option
also factored out for easy reuse.
fast-import.c | 132 +++++++++++++++++++++++++++++++++++++++-----------------
1 files changed, 92 insertions(+), 40 deletions(-)
diff --git a/fast-import.c b/fast-import.c
index 7ef9865..17d57ab 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -291,6 +291,7 @@ static unsigned long branch_count;
static unsigned long branch_load_count;
static int failure;
static FILE *pack_edges;
+static unsigned int show_stats = 1;
/* Memory pools */
static size_t mem_pool_alloc = 2*1024*1024 - sizeof(struct mem_pool);
@@ -2337,7 +2338,7 @@ static void parse_progress(void)
skip_optional_lf();
}
-static void import_marks(const char *input_file)
+static void option_import_marks(const char *input_file)
{
char line[512];
FILE *f = fopen(input_file, "r");
@@ -2372,6 +2373,93 @@ static void import_marks(const char *input_file)
fclose(f);
}
+static void option_date_format(const char *fmt)
+{
+ if (!strcmp(fmt, "raw"))
+ whenspec = WHENSPEC_RAW;
+ else if (!strcmp(fmt, "rfc2822"))
+ whenspec = WHENSPEC_RFC2822;
+ else if (!strcmp(fmt, "now"))
+ whenspec = WHENSPEC_NOW;
+ else
+ die("unknown --date-format argument %s", fmt);
+}
+
+static void option_max_pack_size(const char *packsize)
+{
+ max_packsize = strtoumax(packsize, NULL, 0) * 1024 * 1024;
+}
+
+static void option_depth(const char *depth)
+{
+ max_depth = strtoul(depth, NULL, 0);
+ if (max_depth > MAX_DEPTH)
+ die("--depth cannot exceed %u", MAX_DEPTH);
+}
+
+static void option_active_branches(const char *branches)
+{
+ max_active_branches = strtoul(branches, NULL, 0);
+}
+
+static void option_export_marks(const char *marks)
+{
+ struct strbuf buf = STRBUF_INIT;
+ strbuf_addstr(&buf, marks);
+ mark_file = strbuf_detach(&buf, NULL);
+}
+
+static void option_export_pack_edges(const char *edges)
+{
+ if (pack_edges)
+ fclose(pack_edges);
+ pack_edges = fopen(edges, "a");
+ if (!pack_edges)
+ die_errno("Cannot open '%s'", edges);
+}
+
+static void option_force()
+{
+ force_update = 1;
+}
+
+static void option_quiet()
+{
+ show_stats = 0;
+}
+
+static void option_stats()
+{
+ show_stats = 1;
+}
+
+static void parse_one_option(const char *option)
+{
+ if (!prefixcmp(option, "date-format=")) {
+ option_date_format(option + 12);
+ } else if (!prefixcmp(option, "max-pack-size=")) {
+ option_max_pack_size(option + 14);
+ } else if (!prefixcmp(option, "depth=")) {
+ option_depth(option + 6);
+ } else if (!prefixcmp(option, "active-branches=")) {
+ option_active_branches(option + 16);
+ } else if (!prefixcmp(option, "import-marks=")) {
+ option_import_marks(option + 13);
+ } else if (!prefixcmp(option, "export-marks=")) {
+ option_export_marks(option + 13);
+ } else if (!prefixcmp(option, "export-pack-edges=")) {
+ option_export_pack_edges(option + 18);
+ } else if (!prefixcmp(option, "force")) {
+ option_force();
+ } else if (!prefixcmp(option, "quiet")) {
+ option_quiet();
+ } else if (!prefixcmp(option, "stats")) {
+ option_stats();
+ } else {
+ die("Unsupported option: %s", option);
+ }
+}
+
static int git_pack_config(const char *k, const char *v, void *cb)
{
if (!strcmp(k, "pack.depth")) {
@@ -2398,7 +2486,7 @@ static const char fast_import_usage[] =
int main(int argc, const char **argv)
{
- unsigned int i, show_stats = 1;
+ unsigned int i;
git_extract_argv0_path(argv[0]);
@@ -2419,44 +2507,8 @@ int main(int argc, const char **argv)
if (*a != '-' || !strcmp(a, "--"))
break;
- else if (!prefixcmp(a, "--date-format=")) {
- const char *fmt = a + 14;
- if (!strcmp(fmt, "raw"))
- whenspec = WHENSPEC_RAW;
- else if (!strcmp(fmt, "rfc2822"))
- whenspec = WHENSPEC_RFC2822;
- else if (!strcmp(fmt, "now"))
- whenspec = WHENSPEC_NOW;
- else
- die("unknown --date-format argument %s", fmt);
- }
- else if (!prefixcmp(a, "--max-pack-size="))
- max_packsize = strtoumax(a + 16, NULL, 0) * 1024 * 1024;
- else if (!prefixcmp(a, "--depth=")) {
- max_depth = strtoul(a + 8, NULL, 0);
- if (max_depth > MAX_DEPTH)
- die("--depth cannot exceed %u", MAX_DEPTH);
- }
- else if (!prefixcmp(a, "--active-branches="))
- max_active_branches = strtoul(a + 18, NULL, 0);
- else if (!prefixcmp(a, "--import-marks="))
- import_marks(a + 15);
- else if (!prefixcmp(a, "--export-marks="))
- mark_file = a + 15;
- else if (!prefixcmp(a, "--export-pack-edges=")) {
- if (pack_edges)
- fclose(pack_edges);
- pack_edges = fopen(a + 20, "a");
- if (!pack_edges)
- die_errno("Cannot open '%s'", a + 20);
- } else if (!strcmp(a, "--force"))
- force_update = 1;
- else if (!strcmp(a, "--quiet"))
- show_stats = 0;
- else if (!strcmp(a, "--stats"))
- show_stats = 1;
- else
- die("unknown option %s", a);
+
+ parse_one_option(a + 2);
}
if (i != argc)
usage(fast_import_usage);
--
1.6.4.16.g72c66.dirty
--
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