56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
#include "cache.h"
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#include "strbuf.h"
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#include "run-command.h"
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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, *terminal;
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editor = getenv("GIT_EDITOR");
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if (!editor && editor_program)
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editor = editor_program;
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if (!editor)
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editor = getenv("VISUAL");
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if (!editor)
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editor = getenv("EDITOR");
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terminal = getenv("TERM");
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if (!editor && (!terminal || !strcmp(terminal, "dumb")))
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return error("Terminal is dumb but no VISUAL nor EDITOR defined.");
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if (!editor)
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editor = "vi";
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if (strcmp(editor, ":")) {
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size_t len = strlen(editor);
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int i = 0;
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int failed;
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const char *args[6];
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struct strbuf arg0 = STRBUF_INIT;
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if (strcspn(editor, "$ \t'") != len) {
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/* there are specials */
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strbuf_addf(&arg0, "%s \"$@\"", editor);
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args[i++] = "sh";
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args[i++] = "-c";
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args[i++] = arg0.buf;
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}
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args[i++] = editor;
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args[i++] = path;
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args[i] = NULL;
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failed = run_command_v_opt_cd_env(args, 0, NULL, env);
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strbuf_release(&arg0);
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if (failed)
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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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