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Diffstat (limited to 'prompt.c')
-rw-r--r--prompt.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/prompt.c b/prompt.c
new file mode 100644
index 0000000000..d851807feb
--- /dev/null
+++ b/prompt.c
@@ -0,0 +1,72 @@
+#include "cache.h"
+#include "run-command.h"
+#include "strbuf.h"
+#include "prompt.h"
+#include "compat/terminal.h"
+
+static char *do_askpass(const char *cmd, const char *prompt)
+{
+ struct child_process pass;
+ const char *args[3];
+ static struct strbuf buffer = STRBUF_INIT;
+ int err = 0;
+
+ args[0] = cmd;
+ args[1] = prompt;
+ args[2] = NULL;
+
+ memset(&pass, 0, sizeof(pass));
+ pass.argv = args;
+ pass.out = -1;
+
+ if (start_command(&pass))
+ return NULL;
+
+ if (strbuf_read(&buffer, pass.out, 20) < 0)
+ err = 1;
+
+ close(pass.out);
+
+ if (finish_command(&pass))
+ err = 1;
+
+ if (err) {
+ error("unable to read askpass response from '%s'", cmd);
+ strbuf_release(&buffer);
+ return NULL;
+ }
+
+ strbuf_setlen(&buffer, strcspn(buffer.buf, "\r\n"));
+
+ return strbuf_detach(&buffer, NULL);
+}
+
+char *git_prompt(const char *prompt, int flags)
+{
+ char *r = NULL;
+
+ if (flags & PROMPT_ASKPASS) {
+ const char *askpass;
+
+ askpass = getenv("GIT_ASKPASS");
+ if (!askpass)
+ askpass = askpass_program;
+ if (!askpass)
+ askpass = getenv("SSH_ASKPASS");
+ if (askpass && *askpass)
+ r = do_askpass(askpass, prompt);
+ }
+
+ if (!r)
+ r = git_terminal_prompt(prompt, flags & PROMPT_ECHO);
+ if (!r) {
+ /* prompts already contain ": " at the end */
+ die("could not read %s%s", prompt, strerror(errno));
+ }
+ return r;
+}
+
+char *git_getpass(const char *prompt)
+{
+ return git_prompt(prompt, PROMPT_ASKPASS);
+}