[pbs-devel] [PATCH proxmox-backup 5/7] apt: refactor package detail reading into function
Stefan Reiter
s.reiter at proxmox.com
Wed Oct 21 11:41:14 CEST 2020
No functional change intended.
Signed-off-by: Stefan Reiter <s.reiter at proxmox.com>
---
src/api2/node/apt.rs | 204 +++++++++++++++++++++++--------------------
1 file changed, 111 insertions(+), 93 deletions(-)
diff --git a/src/api2/node/apt.rs b/src/api2/node/apt.rs
index b120eef5..d8a2e824 100644
--- a/src/api2/node/apt.rs
+++ b/src/api2/node/apt.rs
@@ -90,101 +90,16 @@ fn list_installed_apt_packages<F: Fn(FilterData) -> bool>(filter: F)
let mut cache_iter = cache.iter();
loop {
- let view = match cache_iter.next() {
- Some(view) => view,
- None => break
- };
- let current_version = view.current_version();
- let candidate_version = view.candidate_version();
-
- let (current_version, candidate_version) = match (current_version, candidate_version) {
- (Some(cur), Some(can)) => (cur, can), // package installed and there is an update
- (Some(cur), None) => (cur.clone(), cur), // package installed and up-to-date
- (None, Some(_)) => continue, // package could be installed
- (None, None) => continue, // broken
- };
-
- // get additional information via nested APT 'iterators'
- let mut view_iter = view.versions();
- while let Some(ver) = view_iter.next() {
-
- let package = view.name();
- let version = ver.version();
- let mut origin_res = "unknown".to_owned();
- let mut section_res = "unknown".to_owned();
- let mut priority_res = "unknown".to_owned();
- let mut change_log_url = "".to_owned();
- let mut short_desc = package.clone();
- let mut long_desc = "".to_owned();
-
- let fd = FilterData {
- installed_version: ¤t_version,
- candidate_version: &candidate_version,
- active_version: &version,
- };
-
- if filter(fd) {
- if let Some(section) = ver.section() {
- section_res = section;
+ match cache_iter.next() {
+ Some(view) => {
+ let di = query_detailed_info(&filter, view);
+ if let Some(info) = di {
+ ret.push(info);
}
-
- if let Some(prio) = ver.priority_type() {
- priority_res = prio;
- }
-
- // assume every package has only one origin file (not
- // origin, but origin *file*, for some reason those seem to
- // be different concepts in APT)
- let mut origin_iter = ver.origin_iter();
- let origin = origin_iter.next();
- if let Some(origin) = origin {
-
- if let Some(sd) = origin.short_desc() {
- short_desc = sd;
- }
-
- if let Some(ld) = origin.long_desc() {
- long_desc = ld;
- }
-
- // the package files appear in priority order, meaning
- // the one for the candidate version is first - this is fine
- // however, as the source package should be the same for all
- // versions anyway
- let mut pkg_iter = origin.file();
- let pkg_file = pkg_iter.next();
- if let Some(pkg_file) = pkg_file {
- if let Some(origin_name) = pkg_file.origin() {
- origin_res = origin_name;
- }
-
- let filename = pkg_file.file_name();
- let component = pkg_file.component();
-
- // build changelog URL from gathered information
- // ignore errors, use empty changelog instead
- let url = get_changelog_url(&package, &filename,
- &version, &origin_res, &component);
- if let Ok(url) = url {
- change_log_url = url;
- }
- }
- }
-
- let info = APTUpdateInfo {
- package,
- title: short_desc,
- arch: view.arch(),
- description: long_desc,
- change_log_url,
- origin: origin_res,
- version: candidate_version.clone(),
- old_version: current_version.clone(),
- priority: priority_res,
- section: section_res,
- };
- ret.push(info);
+ },
+ None => {
+ break;
}
}
}
@@ -192,6 +107,109 @@ fn list_installed_apt_packages<F: Fn(FilterData) -> bool>(filter: F)
return ret;
}
+fn query_detailed_info<'a, F, V>(
+ filter: F,
+ view: V,
+) -> Option<APTUpdateInfo>
+where
+ F: Fn(FilterData) -> bool,
+ V: std::ops::Deref<Target = apt_pkg_native::sane::PkgView<'a>>
+{
+ let current_version = view.current_version();
+ let candidate_version = view.candidate_version();
+
+ let (current_version, candidate_version) = match (current_version, candidate_version) {
+ (Some(cur), Some(can)) => (cur, can), // package installed and there is an update
+ (Some(cur), None) => (cur.clone(), cur), // package installed and up-to-date
+ (None, Some(_)) => return None, // package could be installed
+ (None, None) => return None, // broken
+ };
+
+ // get additional information via nested APT 'iterators'
+ let mut view_iter = view.versions();
+ while let Some(ver) = view_iter.next() {
+
+ let package = view.name();
+ let version = ver.version();
+ let mut origin_res = "unknown".to_owned();
+ let mut section_res = "unknown".to_owned();
+ let mut priority_res = "unknown".to_owned();
+ let mut change_log_url = "".to_owned();
+ let mut short_desc = package.clone();
+ let mut long_desc = "".to_owned();
+
+ let fd = FilterData {
+ installed_version: ¤t_version,
+ candidate_version: &candidate_version,
+ active_version: &version,
+ };
+
+ if filter(fd) {
+ if let Some(section) = ver.section() {
+ section_res = section;
+ }
+
+ if let Some(prio) = ver.priority_type() {
+ priority_res = prio;
+ }
+
+ // assume every package has only one origin file (not
+ // origin, but origin *file*, for some reason those seem to
+ // be different concepts in APT)
+ let mut origin_iter = ver.origin_iter();
+ let origin = origin_iter.next();
+ if let Some(origin) = origin {
+
+ if let Some(sd) = origin.short_desc() {
+ short_desc = sd;
+ }
+
+ if let Some(ld) = origin.long_desc() {
+ long_desc = ld;
+ }
+
+ // the package files appear in priority order, meaning
+ // the one for the candidate version is first - this is fine
+ // however, as the source package should be the same for all
+ // versions anyway
+ let mut pkg_iter = origin.file();
+ let pkg_file = pkg_iter.next();
+ if let Some(pkg_file) = pkg_file {
+ if let Some(origin_name) = pkg_file.origin() {
+ origin_res = origin_name;
+ }
+
+ let filename = pkg_file.file_name();
+ let component = pkg_file.component();
+
+ // build changelog URL from gathered information
+ // ignore errors, use empty changelog instead
+ let url = get_changelog_url(&package, &filename,
+ &version, &origin_res, &component);
+ if let Ok(url) = url {
+ change_log_url = url;
+ }
+ }
+ }
+
+ return Some(APTUpdateInfo {
+ package,
+ title: short_desc,
+ arch: view.arch(),
+ description: long_desc,
+ change_log_url,
+ origin: origin_res,
+ version: candidate_version.clone(),
+ old_version: current_version.clone(),
+ priority: priority_res,
+ section: section_res,
+ });
+ }
+ }
+
+ return None;
+}
+
#[api(
input: {
properties: {
--
2.20.1
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