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bac8037081
Now that run_command implements the same code in a more general form, we can make use of it. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
#include "cache.h"
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#include "strbuf.h"
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#include "run-command.h"
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#ifndef DEFAULT_EDITOR
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#define DEFAULT_EDITOR "vi"
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#endif
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const char *git_editor(void)
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{
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const char *editor = getenv("GIT_EDITOR");
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const char *terminal = getenv("TERM");
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int terminal_is_dumb = !terminal || !strcmp(terminal, "dumb");
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if (!editor && editor_program)
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editor = editor_program;
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if (!editor && !terminal_is_dumb)
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editor = getenv("VISUAL");
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if (!editor)
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editor = getenv("EDITOR");
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if (!editor && terminal_is_dumb)
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return NULL;
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if (!editor)
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editor = DEFAULT_EDITOR;
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return editor;
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}
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int launch_editor(const char *path, struct strbuf *buffer, const char *const *env)
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{
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const char *editor = git_editor();
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if (!editor)
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return error("Terminal is dumb, but EDITOR unset");
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if (strcmp(editor, ":")) {
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const char *args[] = { editor, path, NULL };
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if (run_command_v_opt_cd_env(args, RUN_USING_SHELL, NULL, env))
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return error("There was a problem with the editor '%s'.",
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editor);
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}
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if (!buffer)
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return 0;
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if (strbuf_read_file(buffer, path, 0) < 0)
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return error("could not read file '%s': %s",
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path, strerror(errno));
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return 0;
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}
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