qdepends: add support for IDEPEND, #892533

Bug: https://bugs.gentoo.org/892533
Signed-off-by: Fabian Groffen <grobian@gentoo.org>

3 files changed, 33 insertions, 16 deletions

diff --git a/man/include/qdepends.desc b/man/include/qdepends.desc
index 19000d08..70b27bec 100644
--- a/man/include/qdepends.desc
+++ b/man/include/qdepends.desc
@@ -4,7 +4,8 @@ applet has two different modes, forward and reverse dependency querying.
 Default operation is forward mode, answering the queries "what does
 package X depend on", while reverse mode answers "what packages depend
 on X".  Both modes can be further specified into build (DEPEND), run
-(RDEPEND), post (PDEPEND) and EAPI7's BDEPEND dependencies.
+(RDEPEND), post (PDEPEND), EAPI7's build (BDEPEND) and EAPI8's
+install-time (IDEPEND) dependencies.
 .P
 By default, \fIqdepends\fR returns the unique set of atoms that match
 all dependency variables.  To split this out per variable, use \fB-v\fR
diff --git a/man/qdepends.1 b/man/qdepends.1
index 5e5b00a2..95e2b371 100644
--- a/man/qdepends.1
+++ b/man/qdepends.1
@@ -1,5 +1,5 @@
 .\" generated by mkman.py, please do NOT edit!
-.TH qdepends "1" "May 2022" "Gentoo Foundation" "qdepends"
+.TH qdepends "1" "Jan 2023" "Gentoo Foundation" "qdepends"
 .SH NAME
 qdepends \- show dependency info
 .SH SYNOPSIS
@@ -12,7 +12,8 @@ applet has two different modes, forward and reverse dependency querying.
 Default operation is forward mode, answering the queries "what does
 package X depend on", while reverse mode answers "what packages depend
 on X".  Both modes can be further specified into build (DEPEND), run
-(RDEPEND), post (PDEPEND) and EAPI7's BDEPEND dependencies.
+(RDEPEND), post (PDEPEND), EAPI7's build (BDEPEND) and EAPI8's
+install-time (IDEPEND) dependencies.
 .P
 By default, \fIqdepends\fR returns the unique set of atoms that match
 all dependency variables.  To split this out per variable, use \fB-v\fR
@@ -52,6 +53,9 @@ Show PDEPEND info.
 \fB\-b\fR, \fB\-\-bdepend\fR
 Show BDEPEND info.
 .TP
+\fB\-I\fR, \fB\-\-idepend\fR
+Show IDEPEND info.
+.TP
 \fB\-Q\fR, \fB\-\-query\fR
 Query reverse deps.  This basically reverses the search to any
 package that references \fI<arg>\fR in DEPEND, RDEPEND, PDEPEND or BDEPEND.
diff --git a/qdepends.c b/qdepends.c
index f2220112..1ecfab5b 100644
--- a/qdepends.c
+++ b/qdepends.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2005-2022 Gentoo Authors
+ * Copyright 2005-2023 Gentoo Authors
  * Distributed under the terms of the GNU General Public License v2
  *
  * Copyright 2005-2010 Ned Ludd        - <solar@gentoo.org>
@@ -22,12 +22,13 @@
 #include "xasprintf.h"
 #include "xregex.h"
 
-#define QDEPENDS_FLAGS "drpbQitUF:SR" COMMON_FLAGS
+#define QDEPENDS_FLAGS "drpbIQitUF:SR" COMMON_FLAGS
 static struct option const qdepends_long_opts[] = {
 	{"depend",    no_argument, NULL, 'd'},
 	{"rdepend",   no_argument, NULL, 'r'},
 	{"pdepend",   no_argument, NULL, 'p'},
 	{"bdepend",   no_argument, NULL, 'b'},
+	{"idepend",   no_argument, NULL, 'I'},
 	{"query",     no_argument, NULL, 'Q'},
 	{"installed", no_argument, NULL, 'i'},
 	{"tree",      no_argument, NULL, 't'},
@@ -42,6 +43,7 @@ static const char * const qdepends_opts_help[] = {
 	"Show RDEPEND info",
 	"Show PDEPEND info",
 	"Show BDEPEND info",
+	"Show IDEPEND info",
 	"Query reverse deps",
 	"Search installed packages using VDB",
 	"Search available ebuilds in the tree",
@@ -71,17 +73,22 @@ struct qdepends_opt_state {
 #define QMODE_RDEPEND    (1<<1)
 #define QMODE_PDEPEND    (1<<2)
 #define QMODE_BDEPEND    (1<<3)
+#define QMODE_IDEPEND    (1<<4)
 #define QMODE_INSTALLED  (1<<5)
 #define QMODE_TREE       (1<<6)
 #define QMODE_REVERSE    (1<<7)
 #define QMODE_FILTERUSE  (1<<8)
 
+#define QMODE_DEP_FIRST  QMODE_DEPEND
+#define QMODE_DEP_LAST   QMODE_IDEPEND
+
 const char *depend_files[] = {  /* keep *DEPEND aligned with above defines */
 	/* 0 */ "DEPEND",
 	/* 1 */ "RDEPEND",
 	/* 2 */ "PDEPEND",
 	/* 3 */ "BDEPEND",
-	/* 4 */ NULL
+	/* 4 */ "IDEPEND",
+	/* 5 */ NULL
 };
 
 static bool
@@ -161,15 +168,19 @@ qdepends_results_cb(tree_pkg_ctx *pkg_ctx, void *priv)
 	xarrayfree_int(state->deps);
 	clear_set(state->udeps);
 
+#define get_depstr(X) \
+	i == QMODE_DEPEND  ? tree_pkg_meta_get(pkg_ctx, DEPEND)  : \
+	i == QMODE_RDEPEND ? tree_pkg_meta_get(pkg_ctx, RDEPEND) : \
+	i == QMODE_PDEPEND ? tree_pkg_meta_get(pkg_ctx, PDEPEND) : \
+	i == QMODE_BDEPEND ? tree_pkg_meta_get(pkg_ctx, BDEPEND) : \
+		                 tree_pkg_meta_get(pkg_ctx, IDEPEND) ;
+
 	dfile = depend_files;
-	for (i = QMODE_DEPEND; i <= QMODE_BDEPEND; i <<= 1, dfile++) {
+	for (i = QMODE_DEP_FIRST; i <= QMODE_DEP_LAST; i <<= 1, dfile++) {
 		if (!(state->qmode & i))
 			continue;
 
-		depstr = i == 1<<0 ? tree_pkg_meta_get(pkg_ctx, DEPEND) :
-				 i == 1<<1 ? tree_pkg_meta_get(pkg_ctx, RDEPEND) :
-				 i == 1<<2 ? tree_pkg_meta_get(pkg_ctx, PDEPEND) :
-				             tree_pkg_meta_get(pkg_ctx, BDEPEND);
+		depstr = get_depstr(i);
 		if (depstr == NULL)
 			continue;
 		dep_tree = dep_grow_tree(depstr);
@@ -193,10 +204,7 @@ qdepends_results_cb(tree_pkg_ctx *pkg_ctx, void *priv)
 				tree_pkg_ctx *vpkg =
 					tree_open_pkg(vcat, pkg_ctx->name);
 				if (vpkg != NULL) {
-					depstr = i == 1<<0 ? tree_pkg_meta_get(vpkg, DEPEND) :
-							 i == 1<<1 ? tree_pkg_meta_get(vpkg, RDEPEND) :
-							 i == 1<<2 ? tree_pkg_meta_get(vpkg, PDEPEND) :
-							             tree_pkg_meta_get(vpkg, BDEPEND);
+					depstr = get_depstr(i);
 					if (depstr != NULL) {
 						dep_node *dep_vdb = dep_grow_tree(depstr);
 						if (dep_vdb != NULL) {
@@ -293,6 +301,8 @@ qdepends_results_cb(tree_pkg_ctx *pkg_ctx, void *priv)
 	if (verbose && ret == 1)
 		printf("\n");
 
+#undef get_depstr
+
 	if (!verbose) {
 		if ((state->qmode & QMODE_REVERSE) == 0 || ret == 1) {
 			for (n = list_set(state->udeps, &d); n > 0; n--)
@@ -335,6 +345,7 @@ int qdepends_main(int argc, char **argv)
 		case 'r': state.qmode |= QMODE_RDEPEND;   break;
 		case 'p': state.qmode |= QMODE_PDEPEND;   break;
 		case 'b': state.qmode |= QMODE_BDEPEND;   break;
+		case 'I': state.qmode |= QMODE_IDEPEND;   break;
 		case 'Q': state.qmode |= QMODE_REVERSE;   break;
 		case 'i': state.qmode |= QMODE_INSTALLED; break;
 		case 't': state.qmode |= QMODE_TREE;      break;
@@ -350,7 +361,8 @@ int qdepends_main(int argc, char **argv)
 		state.qmode |= QMODE_DEPEND  |
 					   QMODE_RDEPEND |
 					   QMODE_PDEPEND |
-					   QMODE_BDEPEND;
+					   QMODE_BDEPEND |
+					   QMODE_IDEPEND ;
 	}
 
 	/* default to installed packages */