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authorStephan Beyer <s-beyer@gmx.net>2008-07-25 18:28:42 +0200
committerJunio C Hamano <gitster@pobox.com>2008-07-25 17:09:38 -0700
commit7198203ae37c11327c0d01f1e37f3e74381755a9 (patch)
tree85943c2eca8abf5458105626471f517a340cc5a2
parentd82f33e20dcf068e679eff2a16ecf8fe7b10fb31 (diff)
downloadgit-7198203ae37c11327c0d01f1e37f3e74381755a9.tar.gz
git-7198203ae37c11327c0d01f1e37f3e74381755a9.tar.xz
editor.c: Libify launch_editor()
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>
-rw-r--r--builtin-commit.c6
-rw-r--r--builtin-tag.c6
-rw-r--r--editor.c24
-rw-r--r--strbuf.h2
4 files changed, 23 insertions, 15 deletions
diff --git a/builtin-commit.c b/builtin-commit.c
index 6a9dc0e30..9a11ca0bc 100644
--- a/builtin-commit.c
+++ b/builtin-commit.c
@@ -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 &&
diff --git a/builtin-tag.c b/builtin-tag.c
index 219f51d6f..325b1b263 100644
--- a/builtin-tag.c
+++ b/builtin-tag.c
@@ -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);
diff --git a/editor.c b/editor.c
index 483b62d2c..eebc3e95f 100644
--- a/editor.c
+++ b/editor.c
@@ -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;
}
diff --git a/strbuf.h b/strbuf.h
index 0c6ffad53..eba7ba423 100644
--- a/strbuf.h
+++ b/strbuf.h
@@ -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 */