git

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#include "git-compat-util.h"
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#include "strbuf.h"
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#include "trace2/tr2_cmd_name.h"
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#define TR2_ENVVAR_PARENT_NAME "GIT_TRACE2_PARENT_NAME"
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static struct strbuf tr2cmdname_hierarchy = STRBUF_INIT;
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void tr2_cmd_name_append_hierarchy(const char *name)
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{
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	const char *parent_name = getenv(TR2_ENVVAR_PARENT_NAME);
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	strbuf_reset(&tr2cmdname_hierarchy);
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	if (parent_name && *parent_name) {
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		strbuf_addstr(&tr2cmdname_hierarchy, parent_name);
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		strbuf_addch(&tr2cmdname_hierarchy, '/');
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	}
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	strbuf_addstr(&tr2cmdname_hierarchy, name);
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	setenv(TR2_ENVVAR_PARENT_NAME, tr2cmdname_hierarchy.buf, 1);
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}
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const char *tr2_cmd_name_get_hierarchy(void)
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{
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	return tr2cmdname_hierarchy.buf;
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}
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void tr2_cmd_name_release(void)
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{
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	strbuf_release(&tr2cmdname_hierarchy);
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}
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