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editor.c: Libify launch_editor()

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This patch removes exit()/die() calls and builtin-specific messages
from launch_editor(), so that it can be used as a general libgit.a
function to launch an editor.

Signed-off-by: Stephan Beyer <s-beyer@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Stephan Beyer 2008-07-25 18:28:42 +02:00 committed by Junio C Hamano
parent d82f33e20d
commit 7198203ae3
4 changed files with 23 additions and 15 deletions
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6
builtin-commit.c
View File

@ -646,7 +646,11 @@ static int prepare_to_commit(const char *index_file, const char *prefix)
char index[PATH_MAX];
const char *env[2] = { index, NULL };
snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
launch_editor(git_path(commit_editmsg), NULL, env);
if (launch_editor(git_path(commit_editmsg), NULL, env)) {
fprintf(stderr,
"Please supply the message using either -m or -F option.\n");
exit(1);
}
}
if (!no_verify &&

6
builtin-tag.c
View File

@ -295,7 +295,11 @@ static void create_tag(const unsigned char *object, const char *tag,
write_or_die(fd, tag_template, strlen(tag_template));
close(fd);
launch_editor(path, buf, NULL);
if (launch_editor(path, buf, NULL)) {
fprintf(stderr,
"Please supply the message using either -m or -F option.\n");
exit(1);
}
unlink(path);
free(path);

24
editor.c
View File

@ -2,7 +2,7 @@
#include "strbuf.h"
#include "run-command.h"
void launch_editor(const char *path, struct strbuf *buffer, const char *const *env)
int launch_editor(const char *path, struct strbuf *buffer, const char *const *env)
{
const char *editor, *terminal;
@ -15,12 +15,8 @@ void launch_editor(const char *path, struct strbuf *buffer, const char *const *e
editor = getenv("EDITOR");
terminal = getenv("TERM");
if (!editor && (!terminal || !strcmp(terminal, "dumb"))) {
fprintf(stderr,
"Terminal is dumb but no VISUAL nor EDITOR defined.\n"
"Please supply the message using either -m or -F option.\n");
exit(1);
}
if (!editor && (!terminal || !strcmp(terminal, "dumb")))
return error("Terminal is dumb but no VISUAL nor EDITOR defined.");
if (!editor)
editor = "vi";
@ -28,6 +24,7 @@ void launch_editor(const char *path, struct strbuf *buffer, const char *const *e
if (strcmp(editor, ":")) {
size_t len = strlen(editor);
int i = 0;
int failed;
const char *args[6];
struct strbuf arg0;
@ -43,14 +40,17 @@ void launch_editor(const char *path, struct strbuf *buffer, const char *const *e
args[i++] = path;
args[i] = NULL;
if (run_command_v_opt_cd_env(args, 0, NULL, env))
die("There was a problem with the editor %s.", editor);
failed = run_command_v_opt_cd_env(args, 0, NULL, env);
strbuf_release(&arg0);
if (failed)
return error("There was a problem with the editor '%s'.",
editor);
}
if (!buffer)
return;
return 0;
if (strbuf_read_file(buffer, path, 0) < 0)
die("could not read message file '%s': %s",
path, strerror(errno));
return error("could not read file '%s': %s",
path, strerror(errno));
return 0;
}

2
strbuf.h
View File

@ -123,6 +123,6 @@ extern int strbuf_read_file(struct strbuf *sb, const char *path, size_t hint);
extern int strbuf_getline(struct strbuf *, FILE *, int);
extern void stripspace(struct strbuf *buf, int skip_comments);
extern void launch_editor(const char *path, struct strbuf *buffer, const char *const *env);
extern int launch_editor(const char *path, struct strbuf *buffer, const char *const *env);
#endif /* STRBUF_H */