Diff of the two buildlogs:

--
--- b1/build.log	2025-02-04 10:13:56.724430132 +0000
+++ b2/build.log	2025-02-04 10:14:57.153697952 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Mon Feb  3 22:13:08 -12 2025
-I: pbuilder-time-stamp: 1738663988
+I: Current time: Tue Mar 10 06:36:59 +14 2026
+I: pbuilder-time-stamp: 1773074219
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -27,52 +27,84 @@
 dpkg-source: info: applying config-tweaks
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/1497937/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/1371367/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink03-arm64.
+I: Changing host+domainname to test build reproducibility
+I: Adding a custom variable just for the fun of it...
+I: Changing /bin/sh to bash
+'/bin/sh' -> '/bin/bash'
+lrwxrwxrwx 1 root root 9 Mar  9 16:37 /bin/sh -> /bin/bash
+I: Setting pbuilder2's login shell to /bin/bash
+I: Setting pbuilder2's GECOS to second user,second room,second work-phone,second home-phone,second other
+I: user script /srv/workspace/pbuilder/1371367/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/1371367/tmp/hooks/D02_print_environment starting
 I: set
-  BUILDDIR='/build/reproducible-path'
-  BUILDUSERGECOS='first user,first room,first work-phone,first home-phone,first other'
-  BUILDUSERNAME='pbuilder1'
-  BUILD_ARCH='arm64'
-  DEBIAN_FRONTEND='noninteractive'
+  BASH=/bin/sh
+  BASHOPTS=checkwinsize:cmdhist:complete_fullquote:extquote:force_fignore:globasciiranges:globskipdots:hostcomplete:interactive_comments:patsub_replacement:progcomp:promptvars:sourcepath
+  BASH_ALIASES=()
+  BASH_ARGC=()
+  BASH_ARGV=()
+  BASH_CMDS=()
+  BASH_LINENO=([0]="12" [1]="0")
+  BASH_LOADABLES_PATH=/usr/local/lib/bash:/usr/lib/bash:/opt/local/lib/bash:/usr/pkg/lib/bash:/opt/pkg/lib/bash:.
+  BASH_SOURCE=([0]="/tmp/hooks/D02_print_environment" [1]="/tmp/hooks/D02_print_environment")
+  BASH_VERSINFO=([0]="5" [1]="2" [2]="37" [3]="1" [4]="release" [5]="aarch64-unknown-linux-gnu")
+  BASH_VERSION='5.2.37(1)-release'
+  BUILDDIR=/build/reproducible-path
+  BUILDUSERGECOS='second user,second room,second work-phone,second home-phone,second other'
+  BUILDUSERNAME=pbuilder2
+  BUILD_ARCH=arm64
+  DEBIAN_FRONTEND=noninteractive
   DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=12 '
-  DISTRIBUTION='unstable'
-  HOME='/root'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=aarch64
+  HOST_ARCH=arm64
   IFS=' 	
   '
-  INVOCATION_ID='c2043c7ff110478d8e826dc04bcd6ac3'
-  LANG='C'
-  LANGUAGE='en_US:en'
-  LC_ALL='C'
-  MAIL='/var/mail/root'
-  OPTIND='1'
-  PATH='/usr/sbin:/usr/bin:/sbin:/bin:/usr/games'
-  PBCURRENTCOMMANDLINEOPERATION='build'
-  PBUILDER_OPERATION='build'
-  PBUILDER_PKGDATADIR='/usr/share/pbuilder'
-  PBUILDER_PKGLIBDIR='/usr/lib/pbuilder'
-  PBUILDER_SYSCONFDIR='/etc'
-  PPID='1497937'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=3b9baf4ee68e48b4b92f6744962f0e61
+  LANG=C
+  LANGUAGE=nl_BE:nl
+  LC_ALL=C
+  MACHTYPE=aarch64-unknown-linux-gnu
+  MAIL=/var/mail/root
+  OPTERR=1
+  OPTIND=1
+  OSTYPE=linux-gnu
+  PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path
+  PBCURRENTCOMMANDLINEOPERATION=build
+  PBUILDER_OPERATION=build
+  PBUILDER_PKGDATADIR=/usr/share/pbuilder
+  PBUILDER_PKGLIBDIR=/usr/lib/pbuilder
+  PBUILDER_SYSCONFDIR=/etc
+  PIPESTATUS=([0]="0")
+  POSIXLY_CORRECT=y
+  PPID=1371367
   PS4='+ '
-  PWD='/'
-  SHELL='/bin/bash'
-  SHLVL='2'
-  SUDO_COMMAND='/usr/bin/timeout -k 18.1h 18h /usr/bin/ionice -c 3 /usr/bin/nice /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/r-b-build.1gF8fRSl/pbuilderrc_IEkt --distribution unstable --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/unstable-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.1gF8fRSl/b1 --logfile b1/build.log nsxiv_33-1.dsc'
-  SUDO_GID='109'
-  SUDO_UID='104'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://192.168.101.4:3128'
+  PWD=/
+  SHELL=/bin/bash
+  SHELLOPTS=braceexpand:errexit:hashall:interactive-comments:posix
+  SHLVL=3
+  SUDO_COMMAND='/usr/bin/timeout -k 24.1h 24h /usr/bin/ionice -c 3 /usr/bin/nice -n 11 /usr/bin/unshare --uts -- /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/r-b-build.1gF8fRSl/pbuilderrc_CNHq --distribution unstable --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/unstable-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.1gF8fRSl/b2 --logfile b2/build.log nsxiv_33-1.dsc'
+  SUDO_GID=109
+  SUDO_UID=104
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://192.168.101.4:3128
 I: uname -a
-  Linux codethink04-arm64 6.1.0-30-cloud-arm64 #1 SMP Debian 6.1.124-1 (2025-01-12) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-30-cloud-arm64 #1 SMP Debian 6.1.124-1 (2025-01-12) aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/1497937/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/1371367/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -1137,8 +1169,8 @@
 Setting up tzdata (2025a-1) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Tue Feb  4 10:13:38 UTC 2025.
-Universal Time is now:  Tue Feb  4 10:13:38 UTC 2025.
+Local time is now:      Mon Mar  9 16:37:29 UTC 2026.
+Universal Time is now:  Mon Mar  9 16:37:29 UTC 2026.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up libsysprof-capture-4-dev:arm64 (47.2-1) ...
@@ -1346,7 +1378,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/nsxiv-33/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-genchanges -S  > ../nsxiv_33-1_source.changes
+I: user script /srv/workspace/pbuilder/1371367/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/1371367/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/nsxiv-33/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-genchanges -S  > ../nsxiv_33-1_source.changes
 dpkg-buildpackage: info: source package nsxiv
 dpkg-buildpackage: info: source version 33-1
 dpkg-buildpackage: info: source distribution unstable
@@ -1378,21 +1414,21 @@
 GEN version.h
 v="$(git describe 2>/dev/null || true)"; \
 echo "#define VERSION \"${v:-33}\"" >version.h
-CC thumbs.o
-c99 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/nsxiv-33=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wall -pedantic -O2 -DNDEBUG -D_XOPEN_SOURCE=700  -DHAVE_LIBEXIF=1 -DHAVE_LIBFONTS=1  -DHAVE_INOTIFY=1 -I/usr/include/freetype2 -I/usr/include/freetype2  -Wdate-time -D_FORTIFY_SOURCE=2 -c -o thumbs.o thumbs.c
-CC util.o
-c99 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/nsxiv-33=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wall -pedantic -O2 -DNDEBUG -D_XOPEN_SOURCE=700  -DHAVE_LIBEXIF=1 -DHAVE_LIBFONTS=1  -DHAVE_INOTIFY=1 -I/usr/include/freetype2 -I/usr/include/freetype2  -Wdate-time -D_FORTIFY_SOURCE=2 -c -o util.o util.c
-CC window.o
-c99 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/nsxiv-33=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wall -pedantic -O2 -DNDEBUG -D_XOPEN_SOURCE=700  -DHAVE_LIBEXIF=1 -DHAVE_LIBFONTS=1  -DHAVE_INOTIFY=1 -I/usr/include/freetype2 -I/usr/include/freetype2  -Wdate-time -D_FORTIFY_SOURCE=2 -c -o window.o window.c
 CC autoreload.o
-c99 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/nsxiv-33=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wall -pedantic -O2 -DNDEBUG -D_XOPEN_SOURCE=700  -DHAVE_LIBEXIF=1 -DHAVE_LIBFONTS=1  -DHAVE_INOTIFY=1 -I/usr/include/freetype2 -I/usr/include/freetype2  -Wdate-time -D_FORTIFY_SOURCE=2 -c -o autoreload.o autoreload.c
 CC commands.o
+c99 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/nsxiv-33=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wall -pedantic -O2 -DNDEBUG -D_XOPEN_SOURCE=700  -DHAVE_LIBEXIF=1 -DHAVE_LIBFONTS=1  -DHAVE_INOTIFY=1 -I/usr/include/freetype2 -I/usr/include/freetype2  -Wdate-time -D_FORTIFY_SOURCE=2 -c -o autoreload.o autoreload.c
 CC image.o
 c99 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/nsxiv-33=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wall -pedantic -O2 -DNDEBUG -D_XOPEN_SOURCE=700  -DHAVE_LIBEXIF=1 -DHAVE_LIBFONTS=1  -DHAVE_INOTIFY=1 -I/usr/include/freetype2 -I/usr/include/freetype2  -Wdate-time -D_FORTIFY_SOURCE=2 -c -o commands.o commands.c
-c99 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/nsxiv-33=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wall -pedantic -O2 -DNDEBUG -D_XOPEN_SOURCE=700  -DHAVE_LIBEXIF=1 -DHAVE_LIBFONTS=1  -DHAVE_INOTIFY=1 -I/usr/include/freetype2 -I/usr/include/freetype2  -Wdate-time -D_FORTIFY_SOURCE=2 -c -o image.o image.c
 CC main.o
+c99 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/nsxiv-33=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wall -pedantic -O2 -DNDEBUG -D_XOPEN_SOURCE=700  -DHAVE_LIBEXIF=1 -DHAVE_LIBFONTS=1  -DHAVE_INOTIFY=1 -I/usr/include/freetype2 -I/usr/include/freetype2  -Wdate-time -D_FORTIFY_SOURCE=2 -c -o image.o image.c
 c99 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/nsxiv-33=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wall -pedantic -O2 -DNDEBUG -D_XOPEN_SOURCE=700  -DHAVE_LIBEXIF=1 -DHAVE_LIBFONTS=1  -DHAVE_INOTIFY=1 -I/usr/include/freetype2 -I/usr/include/freetype2  -Wdate-time -D_FORTIFY_SOURCE=2 -c -o main.o main.c
+CC thumbs.o
+c99 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/nsxiv-33=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wall -pedantic -O2 -DNDEBUG -D_XOPEN_SOURCE=700  -DHAVE_LIBEXIF=1 -DHAVE_LIBFONTS=1  -DHAVE_INOTIFY=1 -I/usr/include/freetype2 -I/usr/include/freetype2  -Wdate-time -D_FORTIFY_SOURCE=2 -c -o thumbs.o thumbs.c
+CC util.o
+c99 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/nsxiv-33=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wall -pedantic -O2 -DNDEBUG -D_XOPEN_SOURCE=700  -DHAVE_LIBEXIF=1 -DHAVE_LIBFONTS=1  -DHAVE_INOTIFY=1 -I/usr/include/freetype2 -I/usr/include/freetype2  -Wdate-time -D_FORTIFY_SOURCE=2 -c -o util.o util.c
+CC window.o
 CC options.o
+c99 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/nsxiv-33=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wall -pedantic -O2 -DNDEBUG -D_XOPEN_SOURCE=700  -DHAVE_LIBEXIF=1 -DHAVE_LIBFONTS=1  -DHAVE_INOTIFY=1 -I/usr/include/freetype2 -I/usr/include/freetype2  -Wdate-time -D_FORTIFY_SOURCE=2 -c -o window.o window.c
 c99 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/nsxiv-33=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wall -pedantic -O2 -DNDEBUG -D_XOPEN_SOURCE=700  -DHAVE_LIBEXIF=1 -DHAVE_LIBFONTS=1  -DHAVE_INOTIFY=1 -I/usr/include/freetype2 -I/usr/include/freetype2  -Wdate-time -D_FORTIFY_SOURCE=2 -c -o options.o options.c
 LINK nsxiv
 c99 -Wl,-z,relro -Wl,-z,now -o nsxiv autoreload.o commands.o image.o main.o options.o  thumbs.o util.o window.o -lImlib2 -lX11  -lexif -lXft -lfontconfig  
@@ -1406,9 +1442,16 @@
 	make -j12 install DESTDIR=/build/reproducible-path/nsxiv-33/debian/nsxiv AM_UPDATE_INFO_DIR=no "INSTALL=install --strip-program=true" install-desktop install-icon
 make[2]: Entering directory '/build/reproducible-path/nsxiv-33'
 INSTALL bin/nsxiv
-INSTALL nsxiv.desktop
 mkdir -p /build/reproducible-path/nsxiv-33/debian/nsxiv/usr/bin
+INSTALL nsxiv.desktop
+INSTALL icon
 mkdir -p /build/reproducible-path/nsxiv-33/debian/nsxiv/usr/share/applications
+for f in 16x16.png 32x32.png 48x48.png 64x64.png 128x128.png; do \
+	dir="/build/reproducible-path/nsxiv-33/debian/nsxiv/usr/share/icons/hicolor/${f%.png}/apps"; \
+	mkdir -p "$dir"; \
+	cp "icon/$f" "$dir/nsxiv.png"; \
+	chmod 644 "$dir/nsxiv.png"; \
+done
 cp nsxiv /build/reproducible-path/nsxiv-33/debian/nsxiv/usr/bin/
 cp etc/nsxiv.desktop /build/reproducible-path/nsxiv-33/debian/nsxiv/usr/share/applications
 chmod 755 /build/reproducible-path/nsxiv-33/debian/nsxiv/usr/bin/nsxiv
@@ -1416,14 +1459,7 @@
 mkdir -p /build/reproducible-path/nsxiv-33/debian/nsxiv/usr/share/man/man1
 sed "s!EGPREFIX!/usr/share/doc/nsxiv/examples!g; s!PREFIX!/usr!g; s!VERSION!33!g" \
 	etc/nsxiv.1 >/build/reproducible-path/nsxiv-33/debian/nsxiv/usr/share/man/man1/nsxiv.1
-INSTALL icon
 chmod 644 /build/reproducible-path/nsxiv-33/debian/nsxiv/usr/share/man/man1/nsxiv.1
-for f in 16x16.png 32x32.png 48x48.png 64x64.png 128x128.png; do \
-	dir="/build/reproducible-path/nsxiv-33/debian/nsxiv/usr/share/icons/hicolor/${f%.png}/apps"; \
-	mkdir -p "$dir"; \
-	cp "icon/$f" "$dir/nsxiv.png"; \
-	chmod 644 "$dir/nsxiv.png"; \
-done
 INSTALL share/nsxiv/
 mkdir -p /build/reproducible-path/nsxiv-33/debian/nsxiv/usr/share/doc/nsxiv/examples
 cp etc/examples/* /build/reproducible-path/nsxiv-33/debian/nsxiv/usr/share/doc/nsxiv/examples
@@ -1454,8 +1490,8 @@
    dh_gencontrol
    dh_md5sums
    dh_builddeb
-dpkg-deb: building package 'nsxiv-dbgsym' in '../nsxiv-dbgsym_33-1_arm64.deb'.
 dpkg-deb: building package 'nsxiv' in '../nsxiv_33-1_arm64.deb'.
+dpkg-deb: building package 'nsxiv-dbgsym' in '../nsxiv-dbgsym_33-1_arm64.deb'.
  dpkg-genbuildinfo --build=binary -O../nsxiv_33-1_arm64.buildinfo
  dpkg-genchanges --build=binary -O../nsxiv_33-1_arm64.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -1463,12 +1499,14 @@
 dpkg-buildpackage: info: binary-only upload (no source included)
 dpkg-genchanges: info: including full source code in upload
 I: copying local configuration
+I: user script /srv/workspace/pbuilder/1371367/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/1371367/tmp/hooks/B01_cleanup finished
 I: unmounting dev/ptmx filesystem
 I: unmounting dev/pts filesystem
 I: unmounting dev/shm filesystem
 I: unmounting proc filesystem
 I: unmounting sys filesystem
 I: cleaning the build env 
-I: removing directory /srv/workspace/pbuilder/1497937 and its subdirectories
-I: Current time: Mon Feb  3 22:13:55 -12 2025
-I: pbuilder-time-stamp: 1738664035
+I: removing directory /srv/workspace/pbuilder/1371367 and its subdirectories
+I: Current time: Tue Mar 10 06:37:55 +14 2026
+I: pbuilder-time-stamp: 1773074275