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65 lines
1.4 KiB
65 lines
1.4 KiB
#include "cache.h" |
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#include "strbuf.h" |
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#include "run-command.h" |
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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 = "vi"; |
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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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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, "|&;<>()$`\\\"' \t\n*?[#~=%") != len) { |
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/* there are specials */ |
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strbuf_addf(&arg0, "%s \"$@\"", 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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