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From 9ad4b813483f8cf6c641f56387248b33b6dfc570 Mon Sep 17 00:00:00 2001
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From: Panu Matilainen <pmatilai@redhat.com>
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Date: Wed, 20 Feb 2019 15:28:30 +0200
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Subject: [PATCH] Introduce patch_nums and source_nums Lua variables in spec
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context
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The pre-existing patches and sources variables only contains patch and
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source filenames, but for some purposes we need access to the associated
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patch/source number too. We could use the number as the table key, but
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that would make the table unsorted. That we could handle in our own
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macros, but would break compatibility for anybody doing custom stuff
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with these. So it seems best to just add parallel arrays sharing the
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same array indexes so that both values are as easily accessible,
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depending on the need.
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Inspired by Pascal "Pixel" Rigaux's similar patch in Mageia, which differs
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in that the number-arrays are indexed by the filename and is unordered.
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Compared to patches/sources this seemed against principle of least
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surprise, and is slightly more cumbersome int the case we want the number
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directly, such as in PR #626. The variable names differ so there
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is no incompatibility to that downstream patch introduced.
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---
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build/parsePreamble.c | 9 +++++++++
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build/spec.c | 3 ++-
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2 files changed, 11 insertions(+), 1 deletion(-)
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diff --git a/build/parsePreamble.c b/build/parsePreamble.c
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index 812c41f9f..9520bac4b 100644
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--- a/build/parsePreamble.c
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+++ b/build/parsePreamble.c
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@@ -322,6 +322,15 @@ static int addSource(rpmSpec spec, Package pkg, const char *field, rpmTagVal tag
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rpmluaSetVar(lua, var);
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rpmluavFree(var);
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rpmluaPop(lua);
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+
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+ what = (flag & RPMBUILD_ISPATCH) ? "patch_nums" : "source_nums";
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+ rpmluaPushTable(lua, what);
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+ var = rpmluavNew();
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+ rpmluavSetListMode(var, 1);
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+ rpmluavSetValueNum(var, p->num);
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+ rpmluaSetVar(lua, var);
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+ rpmluavFree(var);
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+ rpmluaPop(lua);
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}
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#endif
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free(body);
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diff --git a/build/spec.c b/build/spec.c
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index 80eaca611..55095c6ce 100644
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--- a/build/spec.c
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+++ b/build/spec.c
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@@ -305,7 +305,8 @@ rpmSpec newSpec(void)
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#ifdef WITH_LUA
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/* make sure patches and sources tables always exist */
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rpmlua lua = NULL; /* global state */
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- const char * luavars[] = { "patches", "sources", NULL, };
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+ const char * luavars[] = { "patches", "sources",
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+ "patch_nums", "source_nums", NULL, };
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for (const char **vp = luavars; vp && *vp; vp++) {
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rpmluaDelVar(lua, *vp);
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rpmluaPushTable(lua, *vp);
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--
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2.26.2
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