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checkout-index: allow checking out from higher stages.
The new option, --stage=<n>, lets you copy out from an unmerged, higher stage. This is to help the new merge world order during a nontrivial merge. Signed-off-by: Junio C Hamano <junkio@cox.net>
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@ -9,7 +9,7 @@ git-checkout-index - Copy files from the index to the working directory
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SYNOPSIS
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--------
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'git-checkout-index' [-u] [-q] [-a] [-f] [-n] [--prefix=<string>]
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[--] <file>...
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[--stage=<number>] [--] <file>...
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DESCRIPTION
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-----------
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@ -40,6 +40,10 @@ OPTIONS
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When creating files, prepend <string> (usually a directory
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including a trailing /)
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--stage=<number>::
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Instead of checking out unmerged entries, copy out the
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files from named stage. <number> must be between 1 and 3.
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--::
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Do not interpret any more arguments as options.
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@ -36,6 +36,7 @@
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static const char *prefix;
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static int prefix_length;
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static int checkout_stage; /* default to checkout stage0 */
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static struct checkout state = {
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.base_dir = "",
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@ -48,20 +49,36 @@ static struct checkout state = {
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static int checkout_file(const char *name)
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{
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int pos = cache_name_pos(name, strlen(name));
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if (pos < 0) {
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if (!state.quiet) {
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int namelen = strlen(name);
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int pos = cache_name_pos(name, namelen);
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int has_same_name = 0;
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if (pos < 0)
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pos = -pos - 1;
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fprintf(stderr,
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"git-checkout-index: %s is %s.\n",
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name,
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(pos < active_nr &&
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!strcmp(active_cache[pos]->name, name)) ?
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"unmerged" : "not in the cache");
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while (pos < active_nr) {
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struct cache_entry *ce = active_cache[pos];
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if (ce_namelen(ce) != namelen &&
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memcmp(ce->name, name, namelen))
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break;
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has_same_name = 1;
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if (checkout_stage == ce_stage(ce))
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return checkout_entry(ce, &state);
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pos++;
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}
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if (!state.quiet) {
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fprintf(stderr, "git-checkout-index: %s ", name);
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if (!has_same_name)
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fprintf(stderr, "is not in the cache");
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else if (checkout_stage)
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fprintf(stderr, "does not exist at stage %d",
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checkout_stage);
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else
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fprintf(stderr, "is unmerged");
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fputc('\n', stderr);
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}
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return -1;
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}
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return checkout_entry(active_cache[pos], &state);
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}
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static int checkout_all(void)
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@ -70,11 +87,11 @@ static int checkout_all(void)
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for (i = 0; i < active_nr ; i++) {
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struct cache_entry *ce = active_cache[i];
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if (ce_stage(ce))
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if (ce_stage(ce) != checkout_stage)
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continue;
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if (prefix && *prefix &&
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( ce_namelen(ce) <= prefix_length ||
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memcmp(prefix, ce->name, prefix_length) ))
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(ce_namelen(ce) <= prefix_length ||
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memcmp(prefix, ce->name, prefix_length)))
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continue;
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if (checkout_entry(ce, &state) < 0)
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errs++;
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@ -88,7 +105,7 @@ static int checkout_all(void)
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}
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static const char checkout_cache_usage[] =
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"git-checkout-index [-u] [-q] [-a] [-f] [-n] [--prefix=<string>] [--] <file>...";
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"git-checkout-index [-u] [-q] [-a] [-f] [-n] [--stage=[123]] [--prefix=<string>] [--] <file>...";
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static struct cache_file cache_file;
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@ -138,11 +155,19 @@ int main(int argc, char **argv)
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die("cannot open index.lock file.");
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continue;
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}
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if (!memcmp(arg, "--prefix=", 9)) {
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if (!strncmp(arg, "--prefix=", 9)) {
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state.base_dir = arg+9;
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state.base_dir_len = strlen(state.base_dir);
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continue;
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}
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if (!strncmp(arg, "--stage=", 8)) {
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int ch = arg[8];
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if ('1' <= ch && ch <= '3')
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checkout_stage = arg[8] - '0';
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else
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die("stage should be between 1 and 3");
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continue;
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}
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if (arg[0] == '-')
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usage(checkout_cache_usage);
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break;
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