commit:     dde8b8b1253408be9181a58b4b08e6e0b3866487
Author:     James Le Cuirot <chewi <AT> gentoo <DOT> org>
AuthorDate: Sat Sep 23 20:53:59 2017 +0000
Commit:     Ulrich Müller <ulm <AT> gentoo <DOT> org>
CommitDate: Sat Feb 24 12:55:24 2018 +0000
URL:        https://gitweb.gentoo.org/proj/pms.git/commit/?id=dde8b8b1

EAPI 7 drops --host-root in favor of -b, -d, and -r

Bug: https://bugs.gentoo.org/317337

 eapi-differences.tex |  8 +++++---
 pkg-mgr-commands.tex | 30 ++++++++++++++++++++----------
 2 files changed, 25 insertions(+), 13 deletions(-)

diff --git a/eapi-differences.tex b/eapi-differences.tex
index 989784c..df8ef98 100644
--- a/eapi-differences.tex
+++ b/eapi-differences.tex
@@ -215,8 +215,8 @@ Most utilities die & \compactfeatureref{die-on-failure} &
 \t{einstall} & \compactfeatureref{banned-commands} &
     Yes & Yes & Yes & Banned & Banned \\
 
-Option \t{-{}-host-root} & \compactfeatureref{host-root-option} &
-    No & No & Yes & Yes & Yes \\
+Query command options & \compactfeatureref{pm-query-options} &
+    None & None & \t{-{}-host-root} & \t{-{}-host-root} & \t{-b}, \t{-d}, 
\t{-r} \\
 
 \t{die -n} & \compactfeatureref{nonfatal-die} &
     No & No & No & Yes & Yes \\
@@ -381,7 +381,7 @@ EAPI 5 is EAPI 4 with the following changes:
 \item \t{USE} is calculated differently, \featureref{profile-iuse-inject}.
 \item \t{find} is guaranteed to be GNU, \featureref{gnu-find}.
 \item \t{best_version} and \t{has_version} support the \t{-{}-host-root} 
option,
-    \featureref{host-root-option}.
+    \featureref{pm-query-options}.
 \item \t{econf} adds \t{-{}-disable-silent-rules}, \featureref{econf-options}.
 \item \t{doheader} and \t{newheader} support, \featureref{doheader}.
 \item \t{new*} can read from standard input, \featureref{newfoo-stdin}.
@@ -435,6 +435,8 @@ EAPI 7 is EAPI 6 with the following changes:
 \item \t{econf} adds \t{-{}-with-sysroot}, \featureref{econf-options}.
 \item \t{BDEPEND}, \featureref{bdepend}.
 \item \t{BROOT}, \featureref{broot}.
+\item \t{best_version} and \t{has_version} support \t{-b}, \t{-d} and \t{-r} 
options instead of
+    \t{-{}-host-root}, \featureref{pm-query-options}.
 \end{compactitem}
 
 \ChangeWhenAddingAnEAPI{7}

diff --git a/pkg-mgr-commands.tex b/pkg-mgr-commands.tex
index 13eed79..e3c27f7 100644
--- a/pkg-mgr-commands.tex
+++ b/pkg-mgr-commands.tex
@@ -82,27 +82,37 @@ These commands are used to extract information about the 
system. Ebuilds must no
 these commands in parallel with any other package manager command. Ebuilds 
must not run any of
 these commands once the current phase function has returned.
 
-\featurelabel{host-root-option} In EAPIs listed in 
table~\ref{tab:foo-version-host-root-table} as
-supporting option \t{-{}-host-root}, this flag as the first argument will 
cause the query to apply
-to the host root instead of \t{ROOT}.
+\featurelabel{pm-query-options} In EAPIs listed in 
table~\ref{tab:pm-query-options} as supporting
+option \t{-{}-host-root}, this flag as the first argument will cause the query 
to apply to the
+host root. Otherwise, it applies to \t{ROOT}.
+
+In EAPIs listed in table~\ref{tab:pm-query-options} as supporting options 
\t{-b}, \t{-d} and \t{-r},
+these mutually exclusive flags as the first argument will cause the query to 
apply to locations
+targetted by \t{BDEPEND}, \t{DEPEND} and \t{RDEPEND}, respectively. When none 
of these options
+are given, \t{-r} is assumed.
+
 \begin{description}
 \item[has_version] Takes exactly one package dependency specification as an 
argument. Returns
-    true if a package matching the specification is installed in \t{ROOT}, and 
false otherwise.
+    true if a package matching the specification is installed, and false 
otherwise.
 \item[best_version] Takes exactly one package dependency specification as an 
argument. If a
     matching package is installed, prints the category, package name and 
version of the highest
     matching version; otherwise, prints an empty string. The exit code is 
unspecified.
 \end{description}
 
 \ChangeWhenAddingAnEAPI{7}
-\begin{centertable}{EAPIs supporting \t{-{}-host-root} for \t{*_version} 
commands}
-    \label{tab:foo-version-host-root-table}
-    \begin{tabular}{ll}
+\begin{centertable}{Package manager query command options supported by EAPIs}
+    \label{tab:pm-query-options}
+    \begin{tabular}{lllll}
       \toprule
       \multicolumn{1}{c}{\textbf{EAPI}} &
-      \multicolumn{1}{c}{\textbf{\t{*_version} supports \t{-{}-host-root}?}} \\
+      \multicolumn{1}{c}{\textbf{\t{-{}-host-root}?}} &
+      \multicolumn{1}{c}{\textbf{\t{-b}?}} &
+      \multicolumn{1}{c}{\textbf{\t{-d}?}} &
+      \multicolumn{1}{c}{\textbf{\t{-r}?}} \\
       \midrule
-      0, 1, 2, 3, 4     & No  \\
-      5, 6              & Yes \\
+      0, 1, 2, 3, 4     & No  & No  & No  & No  \\
+      5, 6              & Yes & No  & No  & No  \\
+      7                 & No  & Yes & Yes & Yes \\
       \bottomrule
     \end{tabular}
 \end{centertable}

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