#include "cache.h"
-static const char *alias_key;
-static char *alias_val;
+char *alias_lookup(const char *alias)
+{
+ char *v = NULL;
+ struct strbuf key = STRBUF_INIT;
+ strbuf_addf(&key, "alias.%s", alias);
+ if (git_config_key_is_valid(key.buf))
+ git_config_get_string(key.buf, &v);
+ strbuf_release(&key);
+ return v;
+}
-static int alias_lookup_cb(const char *k, const char *v, void *cb)
+#define SPLIT_CMDLINE_BAD_ENDING 1
+#define SPLIT_CMDLINE_UNCLOSED_QUOTE 2
+static const char *split_cmdline_errors[] = {
+ "cmdline ends with \\",
+ "unclosed quote"
+};
+
+int split_cmdline(char *cmdline, const char ***argv)
{
- if (!prefixcmp(k, "alias.") && !strcmp(k+6, alias_key)) {
- if (!v)
- return config_error_nonbool(k);
- alias_val = xstrdup(v);
- return 0;
+ int src, dst, count = 0, size = 16;
+ char quoted = 0;
+
+ *argv = xmalloc(sizeof(**argv) * size);
+
+ /* split alias_string */
+ (*argv)[count++] = cmdline;
+ for (src = dst = 0; cmdline[src];) {
+ char c = cmdline[src];
+ if (!quoted && isspace(c)) {
+ cmdline[dst++] = 0;
+ while (cmdline[++src]
+ && isspace(cmdline[src]))
+ ; /* skip */
+ ALLOC_GROW(*argv, count + 1, size);
+ (*argv)[count++] = cmdline + dst;
+ } else if (!quoted && (c == '\'' || c == '"')) {
+ quoted = c;
+ src++;
+ } else if (c == quoted) {
+ quoted = 0;
+ src++;
+ } else {
+ if (c == '\\' && quoted != '\'') {
+ src++;
+ c = cmdline[src];
+ if (!c) {
+ free(*argv);
+ *argv = NULL;
+ return -SPLIT_CMDLINE_BAD_ENDING;
+ }
+ }
+ cmdline[dst++] = c;
+ src++;
+ }
}
- return 0;
+
+ cmdline[dst] = 0;
+
+ if (quoted) {
+ free(*argv);
+ *argv = NULL;
+ return -SPLIT_CMDLINE_UNCLOSED_QUOTE;
+ }
+
+ ALLOC_GROW(*argv, count + 1, size);
+ (*argv)[count] = NULL;
+
+ return count;
}
-char *alias_lookup(const char *alias)
+const char *split_cmdline_strerror(int split_cmdline_errno)
{
- alias_key = alias;
- alias_val = NULL;
- git_config(alias_lookup_cb, NULL);
- return alias_val;
+ return split_cmdline_errors[-split_cmdline_errno - 1];
}